jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/doclets/formats/html/HtmlDocletWriter.java@6517bf8e50d0 (annotated)

src/share/classes/com/sun/tools/doclets/formats/html/HtmlDocletWriter.java@6517bf8e50d0 (annotated)

src/share/classes/com/sun/tools/doclets/formats/html/HtmlDocletWriter.java

Wed, 10 Oct 2012 18:34:46 -0700

author: jjg
date: Wed, 10 Oct 2012 18:34:46 -0700
changeset 1361: 6517bf8e50d0
parent 1359: 25e14ad23cef
child 1362: c46e0c9940d6
permissions: -rw-r--r--

8000418: javadoc should used a standard "generated by javadoc" string
Reviewed-by: bpatel

 /*
  * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.doclets.formats.html;
 import java.io.*;
 import java.text.SimpleDateFormat;
 import java.util.*;
 import com.sun.javadoc.*;
 import com.sun.tools.doclets.formats.html.markup.*;
 import com.sun.tools.doclets.internal.toolkit.*;
 import com.sun.tools.doclets.internal.toolkit.taglets.*;
 import com.sun.tools.doclets.internal.toolkit.util.*;
 /**
  * Class for the Html Format Code Generation specific to JavaDoc.
  * This Class contains methods related to the Html Code Generation which
  * are used extensively while generating the entire documentation.
  *
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  *
  * @since 1.2
  * @author Atul M Dambalkar
  * @author Robert Field
  * @author Bhavesh Patel (Modified)
  */
 public class HtmlDocletWriter extends HtmlDocWriter {
     /**
      * Relative path from the file getting generated to the destination
      * directory. For example, if the file getting generated is
      * "java/lang/Object.html", then the relative path string is "../../".
      * This string can be empty if the file getting generated is in
      * the destination directory.
      */
     public String relativePath = "";
     /**
      * Same as relativepath, but normalized to never be empty or
      * end with a slash.
      */
     public String relativepathNoSlash = "";
     /**
      * Platform-dependent directory path from the current or the
      * destination directory to the file getting generated.
      * Used when creating the file.
      * For example, if the file getting generated is
      * "java/lang/Object.html", then the path string is "java/lang".
      */
     public String path = "";
     /**
      * Name of the file getting generated. If the file getting generated is
      * "java/lang/Object.html", then the filename is "Object.html".
      */
     public String filename = "";
     /**
      * The display length used for indentation while generating the class page.
      */
     public int displayLength = 0;
     /**
      * The global configuration information for this run.
      */
     public ConfigurationImpl configuration;
     /**
      * To check whether annotation heading is printed or not.
      */
     protected boolean printedAnnotationHeading = false;
     /**
      * Constructor to construct the HtmlStandardWriter object.
      *
      * @param filename File to be generated.
      */
     public HtmlDocletWriter(ConfigurationImpl configuration,
                               String filename) throws IOException {
         super(configuration, filename);
         this.configuration = configuration;
         this.filename = filename;
     }
     /**
      * Constructor to construct the HtmlStandardWriter object.
      *
      * @param path         Platform-dependent {@link #path} used when
      *                     creating file.
      * @param filename     Name of file to be generated.
      * @param relativePath Value for the variable {@link #relativePath}.
      */
     public HtmlDocletWriter(ConfigurationImpl configuration,
                               String path, String filename,
                               String relativePath) throws IOException {
         super(configuration, path, filename);
         this.configuration = configuration;
         this.path = path;
         this.relativePath = relativePath;
         this.relativepathNoSlash =
             DirectoryManager.getPathNoTrailingSlash(this.relativePath);
         this.filename = filename;
     }
     /**
      * Replace {&#064;docRoot} tag used in options that accept HTML text, such
      * as -header, -footer, -top and -bottom, and when converting a relative
      * HREF where commentTagsToString inserts a {&#064;docRoot} where one was
      * missing.  (Also see DocRootTaglet for {&#064;docRoot} tags in doc
      * comments.)
      * <p>
      * Replace {&#064;docRoot} tag in htmlstr with the relative path to the
      * destination directory from the directory where the file is being
      * written, looping to handle all such tags in htmlstr.
      * <p>
      * For example, for "-d docs" and -header containing {&#064;docRoot}, when
      * the HTML page for source file p/C1.java is being generated, the
      * {&#064;docRoot} tag would be inserted into the header as "../",
      * the relative path from docs/p/ to docs/ (the document root).
      * <p>
      * Note: This doc comment was written with '&amp;#064;' representing '@'
      * to prevent the inline tag from being interpreted.
      */
     public String replaceDocRootDir(String htmlstr) {
         // Return if no inline tags exist
         int index = htmlstr.indexOf("{@");
         if (index < 0) {
             return htmlstr;
         }
         String lowerHtml = htmlstr.toLowerCase();
         // Return index of first occurrence of {@docroot}
         // Note: {@docRoot} is not case sensitive when passed in w/command line option
         index = lowerHtml.indexOf("{@docroot}", index);
         if (index < 0) {
             return htmlstr;
         }
         StringBuilder buf = new StringBuilder();
         int previndex = 0;
         while (true) {
             if (configuration.docrootparent.length() > 0) {
                 // Search for lowercase version of {@docRoot}/..
                 index = lowerHtml.indexOf("{@docroot}/..", previndex);
                 // If next {@docRoot}/.. pattern not found, append rest of htmlstr and exit loop
                 if (index < 0) {
                     buf.append(htmlstr.substring(previndex));
                     break;
                 }
                 // If next {@docroot}/.. pattern found, append htmlstr up to start of tag
                 buf.append(htmlstr.substring(previndex, index));
                 previndex = index + 13;  // length for {@docroot}/.. string
                 // Insert docrootparent absolute path where {@docRoot}/.. was located
                 buf.append(configuration.docrootparent);
                 // Append slash if next character is not a slash
                 if (previndex < htmlstr.length() && htmlstr.charAt(previndex) != '/') {
                     buf.append(DirectoryManager.URL_FILE_SEPARATOR);
                 }
             } else {
                 // Search for lowercase version of {@docRoot}
                 index = lowerHtml.indexOf("{@docroot}", previndex);
                 // If next {@docRoot} tag not found, append rest of htmlstr and exit loop
                 if (index < 0) {
                     buf.append(htmlstr.substring(previndex));
                     break;
                 }
                 // If next {@docroot} tag found, append htmlstr up to start of tag
                 buf.append(htmlstr.substring(previndex, index));
                 previndex = index + 10;  // length for {@docroot} string
                 // Insert relative path where {@docRoot} was located
                 buf.append(relativepathNoSlash);
                 // Append slash if next character is not a slash
                 if (relativepathNoSlash.length() > 0 && previndex < htmlstr.length() &&
                         htmlstr.charAt(previndex) != '/') {
                     buf.append(DirectoryManager.URL_FILE_SEPARATOR);
                 }
             }
         }
         return buf.toString();
     }
     /**
      * Print Html Hyper Link, with target frame.  This
      * link will only appear if page is not in a frame.
      *
      * @param link String name of the file.
      * @param where Position in the file
      * @param target Name of the target frame.
      * @param label Tag for the link.
      * @param strong Whether the label should be strong or not?
      */
     public void printNoFramesTargetHyperLink(String link, String where,
                                                String target, String label,
                                                boolean strong) {
         script();
         println("  <!--");
         println("  if(window==top) {");
         println("    document.writeln('"
             + getHyperLinkString(link, where, label, strong, "", "", target) + "');");
         println("  }");
         println("  //-->");
         scriptEnd();
         noScript();
         println("  " + getHyperLinkString(link, where, label, strong, "", "", target));
         noScriptEnd();
         println(DocletConstants.NL);
     }
     /**
      * Get the script to show or hide the All classes link.
      *
      * @param id id of the element to show or hide
      * @return a content tree for the script
      */
     public Content getAllClassesLinkScript(String id) {
         HtmlTree script = new HtmlTree(HtmlTag.SCRIPT);
         script.addAttr(HtmlAttr.TYPE, "text/javascript");
         String scriptCode = "<!--" + DocletConstants.NL +
                 "  allClassesLink = document.getElementById(\"" + id + "\");" + DocletConstants.NL +
                 "  if(window==top) {" + DocletConstants.NL +
                 "    allClassesLink.style.display = \"block\";" + DocletConstants.NL +
                 "  }" + DocletConstants.NL +
                 "  else {" + DocletConstants.NL +
                 "    allClassesLink.style.display = \"none\";" + DocletConstants.NL +
                 "  }" + DocletConstants.NL +
                 "  //-->" + DocletConstants.NL;
         Content scriptContent = new RawHtml(scriptCode);
         script.addContent(scriptContent);
         Content div = HtmlTree.DIV(script);
         return div;
     }
     /**
      * Add method information.
      *
      * @param method the method to be documented
      * @param dl the content tree to which the method information will be added
      */
     private void addMethodInfo(MethodDoc method, Content dl) {
         ClassDoc[] intfacs = method.containingClass().interfaces();
         MethodDoc overriddenMethod = method.overriddenMethod();
         // Check whether there is any implementation or overridden info to be
         // printed. If no overridden or implementation info needs to be
         // printed, do not print this section.
         if ((intfacs.length > 0 &&
                 new ImplementedMethods(method, this.configuration).build().length > 0) ||
                 overriddenMethod != null) {
             MethodWriterImpl.addImplementsInfo(this, method, dl);
             if (overriddenMethod != null) {
                 MethodWriterImpl.addOverridden(this,
                         method.overriddenType(), overriddenMethod, dl);
             }
         }
     }
     /**
      * Adds the tags information.
      *
      * @param doc the doc for which the tags will be generated
      * @param htmltree the documentation tree to which the tags will be added
      */
     protected void addTagsInfo(Doc doc, Content htmltree) {
         if (configuration.nocomment) {
             return;
         }
         Content dl = new HtmlTree(HtmlTag.DL);
         if (doc instanceof MethodDoc) {
             addMethodInfo((MethodDoc) doc, dl);
         }
         TagletOutputImpl output = new TagletOutputImpl("");
         TagletWriter.genTagOuput(configuration.tagletManager, doc,
             configuration.tagletManager.getCustomTags(doc),
                 getTagletWriterInstance(false), output);
         String outputString = output.toString().trim();
         if (!outputString.isEmpty()) {
             Content resultString = new RawHtml(outputString);
             dl.addContent(resultString);
         }
         htmltree.addContent(dl);
     }
     /**
      * Check whether there are any tags for Serialization Overview
      * section to be printed.
      *
      * @param field the FieldDoc object to check for tags.
      * @return true if there are tags to be printed else return false.
      */
     protected boolean hasSerializationOverviewTags(FieldDoc field) {
         TagletOutputImpl output = new TagletOutputImpl("");
         TagletWriter.genTagOuput(configuration.tagletManager, field,
             configuration.tagletManager.getCustomTags(field),
                 getTagletWriterInstance(false), output);
         return (!output.toString().trim().isEmpty());
     }
     /**
      * Returns a TagletWriter that knows how to write HTML.
      *
      * @return a TagletWriter that knows how to write HTML.
      */
     public TagletWriter getTagletWriterInstance(boolean isFirstSentence) {
         return new TagletWriterImpl(this, isFirstSentence);
     }
     protected void printTagsInfoHeader() {
         dl();
     }
     protected void printTagsInfoFooter() {
         dlEnd();
     }
     /**
      * Get Package link, with target frame.
      *
      * @param pd The link will be to the "package-summary.html" page for this package
      * @param target name of the target frame
      * @param label tag for the link
      * @return a content for the target package link
      */
     public Content getTargetPackageLink(PackageDoc pd, String target,
             Content label) {
         return getHyperLink(pathString(pd, "package-summary.html"), "", label, "", target);
     }
     /**
      * Generates the HTML document tree and prints it out.
      *
      * @param metakeywords Array of String keywords for META tag. Each element
      *                     of the array is assigned to a separate META tag.
      *                     Pass in null for no array
      * @param includeScript true if printing windowtitle script
      *                      false for files that appear in the left-hand frames
      * @param body the body htmltree to be included in the document
      */
     public void printHtmlDocument(String[] metakeywords, boolean includeScript,
             Content body) {
         Content htmlDocType = DocType.Transitional();
         Content htmlComment = new Comment(configuration.getText("doclet.New_Page"));
         Content head = new HtmlTree(HtmlTag.HEAD);
         if (!configuration.notimestamp) {
             Content headComment = new Comment(getGeneratedByString());
             head.addContent(headComment);
         }
         if (configuration.charset.length() > 0) {
             Content meta = HtmlTree.META("Content-Type", "text/html",
                     configuration.charset);
             head.addContent(meta);
         }
         head.addContent(getTitle());
         if (!configuration.notimestamp) {
             SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
             Content meta = HtmlTree.META("date", dateFormat.format(new Date()));
             head.addContent(meta);
         }
         if (metakeywords != null) {
             for (int i=0; i < metakeywords.length; i++) {
                 Content meta = HtmlTree.META("keywords", metakeywords[i]);
                 head.addContent(meta);
             }
         }
         head.addContent(getStyleSheetProperties());
         Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(),
                 head, body);
         Content htmlDocument = new HtmlDocument(htmlDocType,
                 htmlComment, htmlTree);
         print(htmlDocument.toString());
     }
     /**
      * Get the window title.
      *
      * @param title the title string to construct the complete window title
      * @return the window title string
      */
     public String getWindowTitle(String title) {
         if (configuration.windowtitle.length() > 0) {
             title += " (" + configuration.windowtitle  + ")";
         }
         return title;
     }
     /**
      * Print user specified header and the footer.
      *
      * @param header if true print the user provided header else print the
      * user provided footer.
      */
     public void printUserHeaderFooter(boolean header) {
         em();
         if (header) {
             print(replaceDocRootDir(configuration.header));
         } else {
             if (configuration.footer.length() != 0) {
                 print(replaceDocRootDir(configuration.footer));
             } else {
                 print(replaceDocRootDir(configuration.header));
             }
         }
         emEnd();
     }
     /**
      * Get user specified header and the footer.
      *
      * @param header if true print the user provided header else print the
      * user provided footer.
      */
     public Content getUserHeaderFooter(boolean header) {
         String content;
         if (header) {
             content = replaceDocRootDir(configuration.header);
         } else {
             if (configuration.footer.length() != 0) {
                 content = replaceDocRootDir(configuration.footer);
             } else {
                 content = replaceDocRootDir(configuration.header);
             }
         }
         Content rawContent = new RawHtml(content);
         Content em = HtmlTree.EM(rawContent);
         return em;
     }
     /**
      * Print the user specified top.
      */
     public void printTop() {
         print(replaceDocRootDir(configuration.top));
         hr();
     }
     /**
      * Adds the user specified top.
      *
      * @param body the content tree to which user specified top will be added
      */
     public void addTop(Content body) {
         Content top = new RawHtml(replaceDocRootDir(configuration.top));
         body.addContent(top);
     }
     /**
      * Print the user specified bottom.
      */
     public void printBottom() {
         hr();
         print(replaceDocRootDir(configuration.bottom));
     }
     /**
      * Adds the user specified bottom.
      *
      * @param body the content tree to which user specified bottom will be added
      */
     public void addBottom(Content body) {
         Content bottom = new RawHtml(replaceDocRootDir(configuration.bottom));
         Content small = HtmlTree.SMALL(bottom);
         Content p = HtmlTree.P(HtmlStyle.legalCopy, small);
         body.addContent(p);
     }
     /**
      * Print the navigation bar for the Html page at the top and and the bottom.
      *
      * @param header If true print navigation bar at the top of the page else
      * print the nevigation bar at the bottom.
      */
     protected void navLinks(boolean header) {
         println("");
         if (!configuration.nonavbar) {
             if (header) {
                 println(DocletConstants.NL + "<!-- ========= START OF TOP NAVBAR ======= -->");
                 anchor("navbar_top");
                 println();
                 print(getHyperLinkString("", "skip-navbar_top", "", false, "",
                     configuration.getText("doclet.Skip_navigation_links"), ""));
             } else {
                 println(DocletConstants.NL + "<!-- ======= START OF BOTTOM NAVBAR ====== -->");
                 anchor("navbar_bottom");
                 println();
                 print(getHyperLinkString("", "skip-navbar_bottom", "", false, "",
                     configuration.getText("doclet.Skip_navigation_links"), ""));
             }
             table(0, "100%", 1, 0);
             tr();
             tdColspanBgcolorStyle(2, "#EEEEFF", "NavBarCell1");
             println("");
             if (header) {
                 anchor("navbar_top_firstrow");
             } else {
                 anchor("navbar_bottom_firstrow");
             }
             table(0, 0, 3);
             print("  ");
             trAlignVAlign("center", "top");
             if (configuration.createoverview) {
                 navLinkContents();
             }
             if (configuration.packages.length == 1) {
                 navLinkPackage(configuration.packages[0]);
             } else if (configuration.packages.length > 1) {
                 navLinkPackage();
             }
             navLinkClass();
             if(configuration.classuse) {
                 navLinkClassUse();
             }
             if(configuration.createtree) {
                 navLinkTree();
             }
             if(!(configuration.nodeprecated ||
                      configuration.nodeprecatedlist)) {
                 navLinkDeprecated();
             }
             if(configuration.createindex) {
                 navLinkIndex();
             }
             if (!configuration.nohelp) {
                 navLinkHelp();
             }
             print("  ");
             trEnd();
             tableEnd();
             tdEnd();
             tdAlignVAlignRowspan("right", "top", 3);
             printUserHeaderFooter(header);
             tdEnd();
             trEnd();
             println("");
             tr();
             tdBgcolorStyle("white", "NavBarCell2");
             font("-2");
             space();
             navLinkPrevious();
             space();
             println("");
             space();
             navLinkNext();
             fontEnd();
             tdEnd();
             tdBgcolorStyle("white", "NavBarCell2");
             font("-2");
             print("  ");
             navShowLists();
             print("  ");
             space();
             println("");
             space();
             navHideLists(filename);
             print("  ");
             space();
             println("");
             space();
             navLinkClassIndex();
             fontEnd();
             tdEnd();
             trEnd();
             printSummaryDetailLinks();
             tableEnd();
             if (header) {
                 aName("skip-navbar_top");
                 aEnd();
                 println(DocletConstants.NL + "<!-- ========= END OF TOP NAVBAR ========= -->");
             } else {
                 aName("skip-navbar_bottom");
                 aEnd();
                 println(DocletConstants.NL + "<!-- ======== END OF BOTTOM NAVBAR ======= -->");
             }
             println("");
         }
     }
     /**
      * Adds the navigation bar for the Html page at the top and and the bottom.
      *
      * @param header If true print navigation bar at the top of the page else
      * @param body the HtmlTree to which the nav links will be added
      */
     protected void addNavLinks(boolean header, Content body) {
         if (!configuration.nonavbar) {
             String allClassesId = "allclasses_";
             HtmlTree navDiv = new HtmlTree(HtmlTag.DIV);
             if (header) {
                 body.addContent(HtmlConstants.START_OF_TOP_NAVBAR);
                 navDiv.addStyle(HtmlStyle.topNav);
                 allClassesId += "navbar_top";
                 Content a = getMarkerAnchor("navbar_top");
                 navDiv.addContent(a);
                 Content skipLinkContent = getHyperLink("",
                         "skip-navbar_top", HtmlTree.EMPTY, configuration.getText(
                         "doclet.Skip_navigation_links"), "");
                 navDiv.addContent(skipLinkContent);
             } else {
                 body.addContent(HtmlConstants.START_OF_BOTTOM_NAVBAR);
                 navDiv.addStyle(HtmlStyle.bottomNav);
                 allClassesId += "navbar_bottom";
                 Content a = getMarkerAnchor("navbar_bottom");
                 navDiv.addContent(a);
                 Content skipLinkContent = getHyperLink("",
                         "skip-navbar_bottom", HtmlTree.EMPTY, configuration.getText(
                         "doclet.Skip_navigation_links"), "");
                 navDiv.addContent(skipLinkContent);
             }
             if (header) {
                 navDiv.addContent(getMarkerAnchor("navbar_top_firstrow"));
             } else {
                 navDiv.addContent(getMarkerAnchor("navbar_bottom_firstrow"));
             }
             HtmlTree navList = new HtmlTree(HtmlTag.UL);
             navList.addStyle(HtmlStyle.navList);
             navList.addAttr(HtmlAttr.TITLE, "Navigation");
             if (configuration.createoverview) {
                 navList.addContent(getNavLinkContents());
             }
             if (configuration.packages.length == 1) {
                 navList.addContent(getNavLinkPackage(configuration.packages[0]));
             } else if (configuration.packages.length > 1) {
                 navList.addContent(getNavLinkPackage());
             }
             navList.addContent(getNavLinkClass());
             if(configuration.classuse) {
                 navList.addContent(getNavLinkClassUse());
             }
             if(configuration.createtree) {
                 navList.addContent(getNavLinkTree());
             }
             if(!(configuration.nodeprecated ||
                      configuration.nodeprecatedlist)) {
                 navList.addContent(getNavLinkDeprecated());
             }
             if(configuration.createindex) {
                 navList.addContent(getNavLinkIndex());
             }
             if (!configuration.nohelp) {
                 navList.addContent(getNavLinkHelp());
             }
             navDiv.addContent(navList);
             Content aboutDiv = HtmlTree.DIV(HtmlStyle.aboutLanguage, getUserHeaderFooter(header));
             navDiv.addContent(aboutDiv);
             body.addContent(navDiv);
             Content ulNav = HtmlTree.UL(HtmlStyle.navList, getNavLinkPrevious());
             ulNav.addContent(getNavLinkNext());
             Content subDiv = HtmlTree.DIV(HtmlStyle.subNav, ulNav);
             Content ulFrames = HtmlTree.UL(HtmlStyle.navList, getNavShowLists());
             ulFrames.addContent(getNavHideLists(filename));
             subDiv.addContent(ulFrames);
             HtmlTree ulAllClasses = HtmlTree.UL(HtmlStyle.navList, getNavLinkClassIndex());
             ulAllClasses.addAttr(HtmlAttr.ID, allClassesId.toString());
             subDiv.addContent(ulAllClasses);
             subDiv.addContent(getAllClassesLinkScript(allClassesId.toString()));
             addSummaryDetailLinks(subDiv);
             if (header) {
                 subDiv.addContent(getMarkerAnchor("skip-navbar_top"));
                 body.addContent(subDiv);
                 body.addContent(HtmlConstants.END_OF_TOP_NAVBAR);
             } else {
                 subDiv.addContent(getMarkerAnchor("skip-navbar_bottom"));
                 body.addContent(subDiv);
                 body.addContent(HtmlConstants.END_OF_BOTTOM_NAVBAR);
             }
         }
     }
     /**
      * Print the word "NEXT" to indicate that no link is available.  Override
      * this method to customize next link.
      */
     protected void navLinkNext() {
         navLinkNext(null);
     }
     /**
      * Get the word "NEXT" to indicate that no link is available.  Override
      * this method to customize next link.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkNext() {
         return getNavLinkNext(null);
     }
     /**
      * Print the word "PREV" to indicate that no link is available.  Override
      * this method to customize prev link.
      */
     protected void navLinkPrevious() {
         navLinkPrevious(null);
     }
     /**
      * Get the word "PREV" to indicate that no link is available.  Override
      * this method to customize prev link.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkPrevious() {
         return getNavLinkPrevious(null);
     }
     /**
      * Do nothing. This is the default method.
      */
     protected void printSummaryDetailLinks() {
     }
     /**
      * Do nothing. This is the default method.
      */
     protected void addSummaryDetailLinks(Content navDiv) {
     }
     /**
      * Print link to the "overview-summary.html" page.
      */
     protected void navLinkContents() {
         navCellStart();
         printHyperLink(relativePath + "overview-summary.html", "",
                        configuration.getText("doclet.Overview"), true, "NavBarFont1");
         navCellEnd();
     }
     /**
      * Get link to the "overview-summary.html" page.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkContents() {
         Content linkContent = getHyperLink(relativePath +
                 "overview-summary.html", "", overviewLabel, "", "");
         Content li = HtmlTree.LI(linkContent);
         return li;
     }
     /**
      * Description for a cell in the navigation bar.
      */
     protected void navCellStart() {
         print("  ");
         tdBgcolorStyle("#EEEEFF", "NavBarCell1");
         print("    ");
     }
     /**
      * Description for a cell in the navigation bar, but with reverse
      * high-light effect.
      */
     protected void navCellRevStart() {
         print("  ");
         tdBgcolorStyle("#FFFFFF", "NavBarCell1Rev");
         print(" ");
         space();
     }
     /**
      * Closing tag for navigation bar cell.
      */
     protected void navCellEnd() {
         space();
         tdEnd();
     }
     /**
      * Print link to the "package-summary.html" page for the package passed.
      *
      * @param pkg Package to which link will be generated.
      */
     protected void navLinkPackage(PackageDoc pkg) {
         navCellStart();
         printPackageLink(pkg, configuration.getText("doclet.Package"), true,
             "NavBarFont1");
         navCellEnd();
     }
     /**
      * Get link to the "package-summary.html" page for the package passed.
      *
      * @param pkg Package to which link will be generated
      * @return a content tree for the link
      */
     protected Content getNavLinkPackage(PackageDoc pkg) {
         Content linkContent = getPackageLink(pkg,
                 packageLabel);
         Content li = HtmlTree.LI(linkContent);
         return li;
     }
     /**
      * Print the word "Package" in the navigation bar cell, to indicate that
      * link is not available here.
      */
     protected void navLinkPackage() {
         navCellStart();
         fontStyle("NavBarFont1");
         printText("doclet.Package");
         fontEnd();
         navCellEnd();
     }
     /**
      * Get the word "Package" , to indicate that link is not available here.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkPackage() {
         Content li = HtmlTree.LI(packageLabel);
         return li;
     }
     /**
      * Print the word "Use" in the navigation bar cell, to indicate that link
      * is not available.
      */
     protected void navLinkClassUse() {
         navCellStart();
         fontStyle("NavBarFont1");
         printText("doclet.navClassUse");
         fontEnd();
         navCellEnd();
     }
     /**
      * Get the word "Use", to indicate that link is not available.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkClassUse() {
         Content li = HtmlTree.LI(useLabel);
         return li;
     }
     /**
      * Print link for previous file.
      *
      * @param prev File name for the prev link.
      */
     public void navLinkPrevious(String prev) {
         String tag = configuration.getText("doclet.Prev");
         if (prev != null) {
             printHyperLink(prev, "", tag, true) ;
         } else {
             print(tag);
         }
     }
     /**
      * Get link for previous file.
      *
      * @param prev File name for the prev link
      * @return a content tree for the link
      */
     public Content getNavLinkPrevious(String prev) {
         Content li;
         if (prev != null) {
             li = HtmlTree.LI(getHyperLink(prev, "", prevLabel, "", ""));
         }
         else
             li = HtmlTree.LI(prevLabel);
         return li;
     }
     /**
      * Print link for next file.  If next is null, just print the label
      * without linking it anywhere.
      *
      * @param next File name for the next link.
      */
     public void navLinkNext(String next) {
         String tag = configuration.getText("doclet.Next");
         if (next != null) {
             printHyperLink(next, "", tag, true);
         } else {
             print(tag);
         }
     }
     /**
      * Get link for next file.  If next is null, just print the label
      * without linking it anywhere.
      *
      * @param next File name for the next link
      * @return a content tree for the link
      */
     public Content getNavLinkNext(String next) {
         Content li;
         if (next != null) {
             li = HtmlTree.LI(getHyperLink(next, "", nextLabel, "", ""));
         }
         else
             li = HtmlTree.LI(nextLabel);
         return li;
     }
     /**
      * Print "FRAMES" link, to switch to the frame version of the output.
      *
      * @param link File to be linked, "index.html".
      */
     protected void navShowLists(String link) {
         print(getHyperLinkString(link + "?" + path + filename, "",
             configuration.getText("doclet.FRAMES"), true, "", "", "_top"));
     }
     /**
      * Get "FRAMES" link, to switch to the frame version of the output.
      *
      * @param link File to be linked, "index.html"
      * @return a content tree for the link
      */
     protected Content getNavShowLists(String link) {
         Content framesContent = getHyperLink(link + "?" + path +
                 filename, "", framesLabel, "", "_top");
         Content li = HtmlTree.LI(framesContent);
         return li;
     }
     /**
      * Print "FRAMES" link, to switch to the frame version of the output.
      */
     protected void navShowLists() {
         navShowLists(relativePath + "index.html");
     }
     /**
      * Get "FRAMES" link, to switch to the frame version of the output.
      *
      * @return a content tree for the link
      */
     protected Content getNavShowLists() {
         return getNavShowLists(relativePath + "index.html");
     }
     /**
      * Print "NO FRAMES" link, to switch to the non-frame version of the output.
      *
      * @param link File to be linked.
      */
     protected void navHideLists(String link) {
         print(getHyperLinkString(link, "", configuration.getText("doclet.NO_FRAMES"),
             true, "", "", "_top"));
     }
     /**
      * Get "NO FRAMES" link, to switch to the non-frame version of the output.
      *
      * @param link File to be linked
      * @return a content tree for the link
      */
     protected Content getNavHideLists(String link) {
         Content noFramesContent = getHyperLink(link, "", noframesLabel, "", "_top");
         Content li = HtmlTree.LI(noFramesContent);
         return li;
     }
     /**
      * Print "Tree" link in the navigation bar. If there is only one package
      * specified on the command line, then the "Tree" link will be to the
      * only "package-tree.html" file otherwise it will be to the
      * "overview-tree.html" file.
      */
     protected void navLinkTree() {
         navCellStart();
         PackageDoc[] packages = configuration.root.specifiedPackages();
         if (packages.length == 1 && configuration.root.specifiedClasses().length == 0) {
             printHyperLink(pathString(packages[0], "package-tree.html"), "",
                            configuration.getText("doclet.Tree"), true, "NavBarFont1");
         } else {
             printHyperLink(relativePath + "overview-tree.html", "",
                            configuration.getText("doclet.Tree"), true, "NavBarFont1");
         }
         navCellEnd();
     }
     /**
      * Get "Tree" link in the navigation bar. If there is only one package
      * specified on the command line, then the "Tree" link will be to the
      * only "package-tree.html" file otherwise it will be to the
      * "overview-tree.html" file.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkTree() {
         Content treeLinkContent;
         PackageDoc[] packages = configuration.root.specifiedPackages();
         if (packages.length == 1 && configuration.root.specifiedClasses().length == 0) {
             treeLinkContent = getHyperLink(pathString(packages[0],
                     "package-tree.html"), "", treeLabel,
                     "", "");
         } else {
             treeLinkContent = getHyperLink(relativePath + "overview-tree.html",
                     "", treeLabel, "", "");
         }
         Content li = HtmlTree.LI(treeLinkContent);
         return li;
     }
     /**
      * Get the overview tree link for the main tree.
      *
      * @param label the label for the link
      * @return a content tree for the link
      */
     protected Content getNavLinkMainTree(String label) {
         Content mainTreeContent = getHyperLink(relativePath + "overview-tree.html",
                 new StringContent(label));
         Content li = HtmlTree.LI(mainTreeContent);
         return li;
     }
     /**
      * Print the word "Class" in the navigation bar cell, to indicate that
      * class link is not available.
      */
     protected void navLinkClass() {
         navCellStart();
         fontStyle("NavBarFont1");
         printText("doclet.Class");
         fontEnd();
         navCellEnd();
     }
     /**
      * Get the word "Class", to indicate that class link is not available.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkClass() {
         Content li = HtmlTree.LI(classLabel);
         return li;
     }
     /**
      * Print "Deprecated" API link in the navigation bar.
      */
     protected void navLinkDeprecated() {
         navCellStart();
         printHyperLink(relativePath + "deprecated-list.html", "",
                        configuration.getText("doclet.navDeprecated"), true, "NavBarFont1");
         navCellEnd();
     }
     /**
      * Get "Deprecated" API link in the navigation bar.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkDeprecated() {
         Content linkContent = getHyperLink(relativePath +
                 "deprecated-list.html", "", deprecatedLabel, "", "");
         Content li = HtmlTree.LI(linkContent);
         return li;
     }
     /**
      * Print link for generated index. If the user has used "-splitindex"
      * command line option, then link to file "index-files/index-1.html" is
      * generated otherwise link to file "index-all.html" is generated.
      */
     protected void navLinkClassIndex() {
         printNoFramesTargetHyperLink(relativePath +
                 AllClassesFrameWriter.OUTPUT_FILE_NAME_NOFRAMES,
             "", "", configuration.getText("doclet.All_Classes"), true);
     }
     /**
      * Get link for generated index. If the user has used "-splitindex"
      * command line option, then link to file "index-files/index-1.html" is
      * generated otherwise link to file "index-all.html" is generated.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkClassIndex() {
         Content allClassesContent = getHyperLink(relativePath +
                 AllClassesFrameWriter.OUTPUT_FILE_NAME_NOFRAMES, "",
                 allclassesLabel, "", "");
         Content li = HtmlTree.LI(allClassesContent);
         return li;
     }
     /**
      * Print link for generated class index.
      */
     protected void navLinkIndex() {
         navCellStart();
         printHyperLink(relativePath +
                            (configuration.splitindex?
                                 DirectoryManager.getPath("index-files") +
                                 fileseparator: "") +
                            (configuration.splitindex?
                                 "index-1.html" : "index-all.html"), "",
                        configuration.getText("doclet.Index"), true, "NavBarFont1");
         navCellEnd();
     }
     /**
      * Get link for generated class index.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkIndex() {
         Content linkContent = getHyperLink(relativePath +(configuration.splitindex?
             DirectoryManager.getPath("index-files") + fileseparator: "") +
             (configuration.splitindex?"index-1.html" : "index-all.html"), "",
             indexLabel, "", "");
         Content li = HtmlTree.LI(linkContent);
         return li;
     }
     /**
      * Print help file link. If user has provided a help file, then generate a
      * link to the user given file, which is already copied to current or
      * destination directory.
      */
     protected void navLinkHelp() {
         String helpfilenm = configuration.helpfile;
         if (helpfilenm.equals("")) {
             helpfilenm = "help-doc.html";
         } else {
             int lastsep;
             if ((lastsep = helpfilenm.lastIndexOf(File.separatorChar)) != -1) {
                 helpfilenm = helpfilenm.substring(lastsep + 1);
             }
         }
         navCellStart();
         printHyperLink(relativePath + helpfilenm, "",
                        configuration.getText("doclet.Help"), true, "NavBarFont1");
         navCellEnd();
     }
     /**
      * Get help file link. If user has provided a help file, then generate a
      * link to the user given file, which is already copied to current or
      * destination directory.
      *
      * @return a content tree for the link
      */
     protected Content getNavLinkHelp() {
         String helpfilenm = configuration.helpfile;
         if (helpfilenm.equals("")) {
             helpfilenm = "help-doc.html";
         } else {
             int lastsep;
             if ((lastsep = helpfilenm.lastIndexOf(File.separatorChar)) != -1) {
                 helpfilenm = helpfilenm.substring(lastsep + 1);
             }
         }
         Content linkContent = getHyperLink(relativePath + helpfilenm, "",
                 helpLabel, "", "");
         Content li = HtmlTree.LI(linkContent);
         return li;
     }
     /**
      * Print the word "Detail" in the navigation bar. No link is available.
      */
     protected void navDetail() {
         printText("doclet.Detail");
     }
     /**
      * Print the word "Summary" in the navigation bar. No link is available.
      */
     protected void navSummary() {
         printText("doclet.Summary");
     }
     /**
      * Print the Html table tag for the index summary tables. The table tag
      * printed is
      * {@code <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> }
      */
     public void tableIndexSummary() {
         table(1, "100%", 3, 0);
     }
     /**
      * Print the Html table tag for the index summary tables.
      *
      * @param summary the summary for the table tag summary attribute.
      */
     public void tableIndexSummary(String summary) {
         table(1, "100%", 3, 0, summary);
     }
     /**
      * Same as {@link #tableIndexSummary()}.
      */
     public void tableIndexDetail() {
         table(1, "100%", 3, 0);
     }
     /**
      * Print Html tag for table elements. The tag printed is
      * &lt;TD ALIGN="right" VALIGN="top" WIDTH="1%"&gt;.
      */
     public void tdIndex() {
         print("<TD ALIGN=\"right\" VALIGN=\"top\" WIDTH=\"1%\">");
     }
     /**
      * Print table caption.
      */
     public void tableCaptionStart() {
         captionStyle("TableCaption");
     }
     /**
      * Print table sub-caption.
      */
     public void tableSubCaptionStart() {
         captionStyle("TableSubCaption");
     }
     /**
      * Print table caption end tags.
      */
     public void tableCaptionEnd() {
         captionEnd();
     }
     /**
      * Print summary table header.
      */
     public void summaryTableHeader(String[] header, String scope) {
         tr();
         for ( int i=0; i < header.length; i++ ) {
             thScopeNoWrap("TableHeader", scope);
             print(header[i]);
             thEnd();
         }
         trEnd();
     }
     /**
      * Get summary table header.
      *
      * @param header the header for the table
      * @param scope the scope of the headers
      * @return a content tree for the header
      */
     public Content getSummaryTableHeader(String[] header, String scope) {
         Content tr = new HtmlTree(HtmlTag.TR);
         int size = header.length;
         Content tableHeader;
         if (size == 1) {
             tableHeader = new StringContent(header[0]);
             tr.addContent(HtmlTree.TH(HtmlStyle.colOne, scope, tableHeader));
             return tr;
         }
         for (int i = 0; i < size; i++) {
             tableHeader = new StringContent(header[i]);
             if(i == 0)
                 tr.addContent(HtmlTree.TH(HtmlStyle.colFirst, scope, tableHeader));
             else if(i == (size - 1))
                 tr.addContent(HtmlTree.TH(HtmlStyle.colLast, scope, tableHeader));
             else
                 tr.addContent(HtmlTree.TH(scope, tableHeader));
         }
         return tr;
     }
     /**
      * Get table caption.
      *
      * @param rawText the caption for the table which could be raw Html
      * @return a content tree for the caption
      */
     public Content getTableCaption(String rawText) {
         Content title = new RawHtml(rawText);
         Content captionSpan = HtmlTree.SPAN(title);
         Content space = getSpace();
         Content tabSpan = HtmlTree.SPAN(HtmlStyle.tabEnd, space);
         Content caption = HtmlTree.CAPTION(captionSpan);
         caption.addContent(tabSpan);
         return caption;
     }
     /**
      * Get the marker anchor which will be added to the documentation tree.
      *
      * @param anchorName the anchor name attribute
      * @return a content tree for the marker anchor
      */
     public Content getMarkerAnchor(String anchorName) {
         return getMarkerAnchor(anchorName, null);
     }
     /**
      * Get the marker anchor which will be added to the documentation tree.
      *
      * @param anchorName the anchor name attribute
      * @param anchorContent the content that should be added to the anchor
      * @return a content tree for the marker anchor
      */
     public Content getMarkerAnchor(String anchorName, Content anchorContent) {
         if (anchorContent == null)
             anchorContent = new Comment(" ");
         Content markerAnchor = HtmlTree.A_NAME(anchorName, anchorContent);
         return markerAnchor;
     }
     /**
      * Returns a packagename content.
      *
      * @param packageDoc the package to check
      * @return package name content
      */
     public Content getPackageName(PackageDoc packageDoc) {
         return packageDoc == null || packageDoc.name().length() == 0 ?
             defaultPackageLabel :
             getPackageLabel(packageDoc.name());
     }
     /**
      * Returns a package name label.
      *
      * @param packageName the package name
      * @return the package name content
      */
     public Content getPackageLabel(String packageName) {
         return new StringContent(packageName);
     }
     /**
      * Add package deprecation information to the documentation tree
      *
      * @param deprPkgs list of deprecated packages
      * @param headingKey the caption for the deprecated package table
      * @param tableSummary the summary for the deprecated package table
      * @param tableHeader table headers for the deprecated package table
      * @param contentTree the content tree to which the deprecated package table will be added
      */
     protected void addPackageDeprecatedAPI(List<Doc> deprPkgs, String headingKey,
             String tableSummary, String[] tableHeader, Content contentTree) {
         if (deprPkgs.size() > 0) {
             Content table = HtmlTree.TABLE(0, 3, 0, tableSummary,
                     getTableCaption(configuration().getText(headingKey)));
             table.addContent(getSummaryTableHeader(tableHeader, "col"));
             Content tbody = new HtmlTree(HtmlTag.TBODY);
             for (int i = 0; i < deprPkgs.size(); i++) {
                 PackageDoc pkg = (PackageDoc) deprPkgs.get(i);
                 HtmlTree td = HtmlTree.TD(HtmlStyle.colOne,
                         getPackageLink(pkg, getPackageName(pkg)));
                 if (pkg.tags("deprecated").length > 0) {
                     addInlineDeprecatedComment(pkg, pkg.tags("deprecated")[0], td);
                 }
                 HtmlTree tr = HtmlTree.TR(td);
                 if (i % 2 == 0) {
                     tr.addStyle(HtmlStyle.altColor);
                 } else {
                     tr.addStyle(HtmlStyle.rowColor);
                 }
                 tbody.addContent(tr);
             }
             table.addContent(tbody);
             Content li = HtmlTree.LI(HtmlStyle.blockList, table);
             Content ul = HtmlTree.UL(HtmlStyle.blockList, li);
             contentTree.addContent(ul);
         }
     }
     /**
      * Prine table header information about color, column span and the font.
      *
      * @param color Background color.
      * @param span  Column span.
      */
     public void tableHeaderStart(String color, int span) {
         trBgcolorStyle(color, "TableHeadingColor");
         thAlignColspan("left", span);
         font("+2");
     }
     /**
      * Print table header for the inherited members summary tables. Print the
      * background color information.
      *
      * @param color Background color.
      */
     public void tableInheritedHeaderStart(String color) {
         trBgcolorStyle(color, "TableSubHeadingColor");
         thAlign("left");
     }
     /**
      * Print "Use" table header. Print the background color and the column span.
      *
      * @param color Background color.
      */
     public void tableUseInfoHeaderStart(String color) {
         trBgcolorStyle(color, "TableSubHeadingColor");
         thAlignColspan("left", 2);
     }
     /**
      * Print table header with the background color with default column span 2.
      *
      * @param color Background color.
      */
     public void tableHeaderStart(String color) {
         tableHeaderStart(color, 2);
     }
     /**
      * Print table header with the column span, with the default color #CCCCFF.
      *
      * @param span Column span.
      */
     public void tableHeaderStart(int span) {
         tableHeaderStart("#CCCCFF", span);
     }
     /**
      * Print table header with default column span 2 and default color #CCCCFF.
      */
     public void tableHeaderStart() {
         tableHeaderStart(2);
     }
     /**
      * Print table header end tags for font, column and row.
      */
     public void tableHeaderEnd() {
         fontEnd();
         thEnd();
         trEnd();
     }
     /**
      * Print table header end tags in inherited tables for column and row.
      */
     public void tableInheritedHeaderEnd() {
         thEnd();
         trEnd();
     }
     /**
      * Print the summary table row cell attribute width.
      *
      * @param width Width of the table cell.
      */
     public void summaryRow(int width) {
         if (width != 0) {
             tdWidth(width + "%");
         } else {
             td();
         }
     }
     /**
      * Print the summary table row cell end tag.
      */
     public void summaryRowEnd() {
         tdEnd();
     }
     /**
      * Print the heading in Html {@literal <H2>} format.
      *
      * @param str The Header string.
      */
     public void printIndexHeading(String str) {
         h2();
         print(str);
         h2End();
     }
     /**
      * Print Html tag &lt;FRAMESET=arg&gt;.
      *
      * @param arg Argument for the tag.
      */
     public void frameSet(String arg) {
         println("<FRAMESET " + arg + ">");
     }
     /**
      * Print Html closing tag &lt;/FRAMESET&gt;.
      */
     public void frameSetEnd() {
         println("</FRAMESET>");
     }
     /**
      * Print Html tag &lt;FRAME=arg&gt;.
      *
      * @param arg Argument for the tag.
      */
     public void frame(String arg) {
         println("<FRAME " + arg + ">");
     }
     /**
      * Print Html closing tag &lt;/FRAME&gt;.
      */
     public void frameEnd() {
         println("</FRAME>");
     }
     /**
      * Return path to the class page for a classdoc. For example, the class
      * name is "java.lang.Object" and if the current file getting generated is
      * "java/io/File.html", then the path string to the class, returned is
      * "../../java/lang.Object.html".
      *
      * @param cd Class to which the path is requested.
      */
     protected String pathToClass(ClassDoc cd) {
         return pathString(cd.containingPackage(), cd.name() + ".html");
     }
     /**
      * Return the path to the class page for a classdoc. Works same as
      * {@link #pathToClass(ClassDoc)}.
      *
      * @param cd   Class to which the path is requested.
      * @param name Name of the file(doesn't include path).
      */
     protected String pathString(ClassDoc cd, String name) {
         return pathString(cd.containingPackage(), name);
     }
     /**
      * Return path to the given file name in the given package. So if the name
      * passed is "Object.html" and the name of the package is "java.lang", and
      * if the relative path is "../.." then returned string will be
      * "../../java/lang/Object.html"
      *
      * @param pd Package in which the file name is assumed to be.
      * @param name File name, to which path string is.
      */
     protected String pathString(PackageDoc pd, String name) {
         StringBuffer buf = new StringBuffer(relativePath);
         buf.append(DirectoryManager.getPathToPackage(pd, name));
         return buf.toString();
     }
     /**
      * Print the link to the given package.
      *
      * @param pkg the package to link to.
      * @param label the label for the link.
      * @param isStrong true if the label should be strong.
      */
     public void printPackageLink(PackageDoc pkg, String label, boolean isStrong) {
         print(getPackageLinkString(pkg, label, isStrong));
     }
     /**
      * Print the link to the given package.
      *
      * @param pkg the package to link to.
      * @param label the label for the link.
      * @param isStrong true if the label should be strong.
      * @param style  the font of the package link label.
      */
     public void printPackageLink(PackageDoc pkg, String label, boolean isStrong,
             String style) {
         print(getPackageLinkString(pkg, label, isStrong, style));
     }
     /**
      * Return the link to the given package.
      *
      * @param pkg the package to link to.
      * @param label the label for the link.
      * @param isStrong true if the label should be strong.
      * @return the link to the given package.
      */
     public String getPackageLinkString(PackageDoc pkg, String label,
                                  boolean isStrong) {
         return getPackageLinkString(pkg, label, isStrong, "");
     }
     /**
      * Return the link to the given package.
      *
      * @param pkg the package to link to.
      * @param label the label for the link.
      * @param isStrong true if the label should be strong.
      * @param style  the font of the package link label.
      * @return the link to the given package.
      */
     public String getPackageLinkString(PackageDoc pkg, String label, boolean isStrong,
             String style) {
         boolean included = pkg != null && pkg.isIncluded();
         if (! included) {
             PackageDoc[] packages = configuration.packages;
             for (int i = 0; i < packages.length; i++) {
                 if (packages[i].equals(pkg)) {
                     included = true;
                     break;
                 }
             }
         }
         if (included || pkg == null) {
             return getHyperLinkString(pathString(pkg, "package-summary.html"),
                                 "", label, isStrong, style);
         } else {
             String crossPkgLink = getCrossPackageLink(Util.getPackageName(pkg));
             if (crossPkgLink != null) {
                 return getHyperLinkString(crossPkgLink, "", label, isStrong, style);
             } else {
                 return label;
             }
         }
     }
     /**
      * Return the link to the given package.
      *
      * @param pkg the package to link to.
      * @param label the label for the link.
      * @return a content tree for the package link.
      */
     public Content getPackageLink(PackageDoc pkg, Content label) {
         boolean included = pkg != null && pkg.isIncluded();
         if (! included) {
             PackageDoc[] packages = configuration.packages;
             for (int i = 0; i < packages.length; i++) {
                 if (packages[i].equals(pkg)) {
                     included = true;
                     break;
                 }
             }
         }
         if (included || pkg == null) {
             return getHyperLink(pathString(pkg, "package-summary.html"),
                                 "", label);
         } else {
             String crossPkgLink = getCrossPackageLink(Util.getPackageName(pkg));
             if (crossPkgLink != null) {
                 return getHyperLink(crossPkgLink, "", label);
             } else {
                 return label;
             }
         }
     }
     public String italicsClassName(ClassDoc cd, boolean qual) {
         String name = (qual)? cd.qualifiedName(): cd.name();
         return (cd.isInterface())?  italicsText(name): name;
     }
     public void printSrcLink(ProgramElementDoc d, String label) {
         if (d == null) {
             return;
         }
         ClassDoc cd = d.containingClass();
         if (cd == null) {
             //d must be a class doc since in has no containing class.
             cd = (ClassDoc) d;
         }
         String href = relativePath + DocletConstants.SOURCE_OUTPUT_DIR_NAME
             + DirectoryManager.getDirectoryPath(cd.containingPackage())
             + cd.name() + ".html#" + SourceToHTMLConverter.getAnchorName(d);
         printHyperLink(href, "", label, true);
     }
     /**
      * Add the link to the content tree.
      *
      * @param doc program element doc for which the link will be added
      * @param label label for the link
      * @param htmltree the content tree to which the link will be added
      */
     public void addSrcLink(ProgramElementDoc doc, Content label, Content htmltree) {
         if (doc == null) {
             return;
         }
         ClassDoc cd = doc.containingClass();
         if (cd == null) {
             //d must be a class doc since in has no containing class.
             cd = (ClassDoc) doc;
         }
         String href = relativePath + DocletConstants.SOURCE_OUTPUT_DIR_NAME
                 + DirectoryManager.getDirectoryPath(cd.containingPackage())
                 + cd.name() + ".html#" + SourceToHTMLConverter.getAnchorName(doc);
         Content linkContent = getHyperLink(href, "", label, "", "");
         htmltree.addContent(linkContent);
     }
     /**
      * Return the link to the given class.
      *
      * @param linkInfo the information about the link.
      *
      * @return the link for the given class.
      */
     public String getLink(LinkInfoImpl linkInfo) {
         LinkFactoryImpl factory = new LinkFactoryImpl(this);
         String link = ((LinkOutputImpl) factory.getLinkOutput(linkInfo)).toString();
         displayLength += linkInfo.displayLength;
         return link;
     }
     /**
      * Return the type parameters for the given class.
      *
      * @param linkInfo the information about the link.
      * @return the type for the given class.
      */
     public String getTypeParameterLinks(LinkInfoImpl linkInfo) {
         LinkFactoryImpl factory = new LinkFactoryImpl(this);
         return ((LinkOutputImpl)
             factory.getTypeParameterLinks(linkInfo, false)).toString();
     }
     /**
      * Print the link to the given class.
      */
     public void printLink(LinkInfoImpl linkInfo) {
         print(getLink(linkInfo));
     }
     /*************************************************************
      * Return a class cross link to external class documentation.
      * The name must be fully qualified to determine which package
      * the class is in.  The -link option does not allow users to
      * link to external classes in the "default" package.
      *
      * @param qualifiedClassName the qualified name of the external class.
      * @param refMemName the name of the member being referenced.  This should
      * be null or empty string if no member is being referenced.
      * @param label the label for the external link.
      * @param strong true if the link should be strong.
      * @param style the style of the link.
      * @param code true if the label should be code font.
      */
     public String getCrossClassLink(String qualifiedClassName, String refMemName,
                                     String label, boolean strong, String style,
                                     boolean code) {
         String className = "",
             packageName = qualifiedClassName == null ? "" : qualifiedClassName;
         int periodIndex;
         while((periodIndex = packageName.lastIndexOf('.')) != -1) {
             className = packageName.substring(periodIndex + 1, packageName.length()) +
                 (className.length() > 0 ? "." + className : "");
             String defaultLabel = code ? getCode() + className + getCodeEnd() : className;
             packageName = packageName.substring(0, periodIndex);
             if (getCrossPackageLink(packageName) != null) {
                 //The package exists in external documentation, so link to the external
                 //class (assuming that it exists).  This is definitely a limitation of
                 //the -link option.  There are ways to determine if an external package
                 //exists, but no way to determine if the external class exists.  We just
                 //have to assume that it does.
                 return getHyperLinkString(
                     configuration.extern.getExternalLink(packageName, relativePath,
                                 className + ".html?is-external=true"),
                     refMemName == null ? "" : refMemName,
                     label == null || label.length() == 0 ? defaultLabel : label,
                     strong, style,
                     configuration.getText("doclet.Href_Class_Or_Interface_Title", packageName),
                     "");
             }
         }
         return null;
     }
     public boolean isClassLinkable(ClassDoc cd) {
         if (cd.isIncluded()) {
             return configuration.isGeneratedDoc(cd);
         }
         return configuration.extern.isExternal(cd);
     }
     public String getCrossPackageLink(String pkgName) {
         return configuration.extern.getExternalLink(pkgName, relativePath,
             "package-summary.html?is-external=true");
     }
     /**
      * Get the class link.
      *
      * @param context the id of the context where the link will be added
      * @param cd the class doc to link to
      * @return a content tree for the link
      */
     public Content getQualifiedClassLink(int context, ClassDoc cd) {
         return new RawHtml(getLink(new LinkInfoImpl(context, cd,
                 configuration.getClassName(cd), "")));
     }
     /**
      * Add the class link.
      *
      * @param context the id of the context where the link will be added
      * @param cd the class doc to link to
      * @param contentTree the content tree to which the link will be added
      */
     public void addPreQualifiedClassLink(int context, ClassDoc cd, Content contentTree) {
         addPreQualifiedClassLink(context, cd, false, contentTree);
     }
     /**
      * Retrieve the class link with the package portion of the label in
      * plain text.  If the qualifier is excluded, it willnot be included in the
      * link label.
      *
      * @param cd the class to link to.
      * @param isStrong true if the link should be strong.
      * @return the link with the package portion of the label in plain text.
      */
     public String getPreQualifiedClassLink(int context,
             ClassDoc cd, boolean isStrong) {
         String classlink = "";
         PackageDoc pd = cd.containingPackage();
         if(pd != null && ! configuration.shouldExcludeQualifier(pd.name())) {
             classlink = getPkgName(cd);
         }
         classlink += getLink(new LinkInfoImpl(context, cd, cd.name(), isStrong));
         return classlink;
     }
     /**
      * Add the class link with the package portion of the label in
      * plain text. If the qualifier is excluded, it will not be included in the
      * link label.
      *
      * @param context the id of the context where the link will be added
      * @param cd the class to link to
      * @param isStrong true if the link should be strong
      * @param contentTree the content tree to which the link with be added
      */
     public void addPreQualifiedClassLink(int context,
             ClassDoc cd, boolean isStrong, Content contentTree) {
         PackageDoc pd = cd.containingPackage();
         if(pd != null && ! configuration.shouldExcludeQualifier(pd.name())) {
             contentTree.addContent(getPkgName(cd));
         }
         contentTree.addContent(new RawHtml(getLink(new LinkInfoImpl(
                 context, cd, cd.name(), isStrong))));
     }
     /**
      * Add the class link, with only class name as the strong link and prefixing
      * plain package name.
      *
      * @param context the id of the context where the link will be added
      * @param cd the class to link to
      * @param contentTree the content tree to which the link with be added
      */
     public void addPreQualifiedStrongClassLink(int context, ClassDoc cd, Content contentTree) {
         addPreQualifiedClassLink(context, cd, true, contentTree);
     }
     public void printText(String key) {
         print(configuration.getText(key));
     }
     public void printText(String key, String a1) {
         print(configuration.getText(key, a1));
     }
     public void printText(String key, String a1, String a2) {
         print(configuration.getText(key, a1, a2));
     }
     public void strongText(String key) {
         strong(configuration.getText(key));
     }
     public void strongText(String key, String a1) {
         strong(configuration.getText(key, a1));
     }
     public void strongText(String key, String a1, String a2) {
         strong(configuration.getText(key, a1, a2));
     }
     /**
      * Get the link for the given member.
      *
      * @param context the id of the context where the link will be added
      * @param doc the member being linked to
      * @param label the label for the link
      * @return a content tree for the doc link
      */
     public Content getDocLink(int context, MemberDoc doc, String label) {
         return getDocLink(context, doc.containingClass(), doc, label);
     }
     /**
      * Print the link for the given member.
      *
      * @param context the id of the context where the link will be printed.
      * @param classDoc the classDoc that we should link to.  This is not
      *                 necessarily equal to doc.containingClass().  We may be
      *                 inheriting comments.
      * @param doc the member being linked to.
      * @param label the label for the link.
      * @param strong true if the link should be strong.
      */
     public void printDocLink(int context, ClassDoc classDoc, MemberDoc doc,
             String label, boolean strong) {
         print(getDocLink(context, classDoc, doc, label, strong));
     }
     /**
      * Return the link for the given member.
      *
      * @param context the id of the context where the link will be printed.
      * @param doc the member being linked to.
      * @param label the label for the link.
      * @param strong true if the link should be strong.
      * @return the link for the given member.
      */
     public String getDocLink(int context, MemberDoc doc, String label,
                 boolean strong) {
         return getDocLink(context, doc.containingClass(), doc, label, strong);
     }
     /**
      * Return the link for the given member.
      *
      * @param context the id of the context where the link will be printed.
      * @param classDoc the classDoc that we should link to.  This is not
      *                 necessarily equal to doc.containingClass().  We may be
      *                 inheriting comments.
      * @param doc the member being linked to.
      * @param label the label for the link.
      * @param strong true if the link should be strong.
      * @return the link for the given member.
      */
     public String getDocLink(int context, ClassDoc classDoc, MemberDoc doc,
         String label, boolean strong) {
         if (! (doc.isIncluded() ||
             Util.isLinkable(classDoc, configuration()))) {
             return label;
         } else if (doc instanceof ExecutableMemberDoc) {
             ExecutableMemberDoc emd = (ExecutableMemberDoc)doc;
             return getLink(new LinkInfoImpl(context, classDoc,
                 getAnchor(emd), label, strong));
         } else if (doc instanceof MemberDoc) {
             return getLink(new LinkInfoImpl(context, classDoc,
                 doc.name(), label, strong));
         } else {
             return label;
         }
     }
     /**
      * Return the link for the given member.
      *
      * @param context the id of the context where the link will be added
      * @param classDoc the classDoc that we should link to.  This is not
      *                 necessarily equal to doc.containingClass().  We may be
      *                 inheriting comments
      * @param doc the member being linked to
      * @param label the label for the link
      * @return the link for the given member
      */
     public Content getDocLink(int context, ClassDoc classDoc, MemberDoc doc,
         String label) {
         if (! (doc.isIncluded() ||
             Util.isLinkable(classDoc, configuration()))) {
             return new StringContent(label);
         } else if (doc instanceof ExecutableMemberDoc) {
             ExecutableMemberDoc emd = (ExecutableMemberDoc)doc;
             return new RawHtml(getLink(new LinkInfoImpl(context, classDoc,
                 getAnchor(emd), label, false)));
         } else if (doc instanceof MemberDoc) {
             return new RawHtml(getLink(new LinkInfoImpl(context, classDoc,
                 doc.name(), label, false)));
         } else {
             return new StringContent(label);
         }
     }
     public void anchor(ExecutableMemberDoc emd) {
         anchor(getAnchor(emd));
     }
     public String getAnchor(ExecutableMemberDoc emd) {
         StringBuilder signature = new StringBuilder(emd.signature());
         StringBuilder signatureParsed = new StringBuilder();
         int counter = 0;
         for (int i = 0; i < signature.length(); i++) {
             char c = signature.charAt(i);
             if (c == '<') {
                 counter++;
             } else if (c == '>') {
                 counter--;
             } else if (counter == 0) {
                 signatureParsed.append(c);
             }
         }
         return emd.name() + signatureParsed.toString();
     }
     public String seeTagToString(SeeTag see) {
         String tagName = see.name();
         if (! (tagName.startsWith("@link") || tagName.equals("@see"))) {
             return "";
         }
         StringBuffer result = new StringBuffer();
         boolean isplaintext = tagName.toLowerCase().equals("@linkplain");
         String label = see.label();
         label = (label.length() > 0)?
             ((isplaintext) ? label :
                  getCode() + label + getCodeEnd()):"";
         String seetext = replaceDocRootDir(see.text());
         //Check if @see is an href or "string"
         if (seetext.startsWith("<") || seetext.startsWith("\"")) {
             result.append(seetext);
             return result.toString();
         }
         //The text from the @see tag.  We will output this text when a label is not specified.
         String text = (isplaintext) ? seetext : getCode() + seetext + getCodeEnd();
         ClassDoc refClass = see.referencedClass();
         String refClassName = see.referencedClassName();
         MemberDoc refMem = see.referencedMember();
         String refMemName = see.referencedMemberName();
         if (refClass == null) {
             //@see is not referencing an included class
             PackageDoc refPackage = see.referencedPackage();
             if (refPackage != null && refPackage.isIncluded()) {
                 //@see is referencing an included package
                 String packageName = isplaintext ? refPackage.name() :
                     getCode() + refPackage.name() + getCodeEnd();
                 result.append(getPackageLinkString(refPackage,
                     label.length() == 0 ? packageName : label, false));
             } else {
                 //@see is not referencing an included class or package.  Check for cross links.
                 String classCrossLink, packageCrossLink = getCrossPackageLink(refClassName);
                 if (packageCrossLink != null) {
                     //Package cross link found
                     result.append(getHyperLinkString(packageCrossLink, "",
                         (label.length() == 0)? text : label, false));
                 } else if ((classCrossLink = getCrossClassLink(refClassName,
                         refMemName, label, false, "", ! isplaintext)) != null) {
                     //Class cross link found (possiblly to a member in the class)
                     result.append(classCrossLink);
                 } else {
                     //No cross link found so print warning
                     configuration.getDocletSpecificMsg().warning(see.position(), "doclet.see.class_or_package_not_found",
                             tagName, seetext);
                     result.append((label.length() == 0)? text: label);
                 }
             }
         } else if (refMemName == null) {
             // Must be a class reference since refClass is not null and refMemName is null.
             if (label.length() == 0) {
                 label = (isplaintext) ? refClass.name() : getCode() + refClass.name() + getCodeEnd();
                 result.append(getLink(new LinkInfoImpl(refClass, label)));
             } else {
                 result.append(getLink(new LinkInfoImpl(refClass, label)));
             }
         } else if (refMem == null) {
             // Must be a member reference since refClass is not null and refMemName is not null.
             // However, refMem is null, so this referenced member does not exist.
             result.append((label.length() == 0)? text: label);
         } else {
             // Must be a member reference since refClass is not null and refMemName is not null.
             // refMem is not null, so this @see tag must be referencing a valid member.
             ClassDoc containing = refMem.containingClass();
             if (see.text().trim().startsWith("#") &&
                 ! (containing.isPublic() ||
                 Util.isLinkable(containing, configuration()))) {
                 // Since the link is relative and the holder is not even being
                 // documented, this must be an inherited link.  Redirect it.
                 // The current class either overrides the referenced member or
                 // inherits it automatically.
                 if (this instanceof ClassWriterImpl) {
                     containing = ((ClassWriterImpl) this).getClassDoc();
                 } else if (!containing.isPublic()){
                     configuration.getDocletSpecificMsg().warning(
                         see.position(), "doclet.see.class_or_package_not_accessible",
                         tagName, containing.qualifiedName());
                 } else {
                     configuration.getDocletSpecificMsg().warning(
                         see.position(), "doclet.see.class_or_package_not_found",
                         tagName, seetext);
                 }
             }
             if (configuration.currentcd != containing) {
                 refMemName = containing.name() + "." + refMemName;
             }
             if (refMem instanceof ExecutableMemberDoc) {
                 if (refMemName.indexOf('(') < 0) {
                     refMemName += ((ExecutableMemberDoc)refMem).signature();
                 }
             }
             text = (isplaintext) ?
                 refMemName : getCode() + Util.escapeHtmlChars(refMemName) + getCodeEnd();
             result.append(getDocLink(LinkInfoImpl.CONTEXT_SEE_TAG, containing,
                 refMem, (label.length() == 0)? text: label, false));
         }
         return result.toString();
     }
     public void printInlineComment(Doc doc, Tag tag) {
         printCommentTags(doc, tag.inlineTags(), false, false);
     }
     /**
      * Add the inline comment.
      *
      * @param doc the doc for which the inline comment will be added
      * @param tag the inline tag to be added
      * @param htmltree the content tree to which the comment will be added
      */
     public void addInlineComment(Doc doc, Tag tag, Content htmltree) {
         addCommentTags(doc, tag.inlineTags(), false, false, htmltree);
     }
     public void printInlineDeprecatedComment(Doc doc, Tag tag) {
         printCommentTags(doc, tag.inlineTags(), true, false);
     }
     /**
      * Add the inline deprecated comment.
      *
      * @param doc the doc for which the inline deprecated comment will be added
      * @param tag the inline tag to be added
      * @param htmltree the content tree to which the comment will be added
      */
     public void addInlineDeprecatedComment(Doc doc, Tag tag, Content htmltree) {
         addCommentTags(doc, tag.inlineTags(), true, false, htmltree);
     }
     public void printSummaryComment(Doc doc) {
         printSummaryComment(doc, doc.firstSentenceTags());
     }
     /**
      * Adds the summary content.
      *
      * @param doc the doc for which the summary will be generated
      * @param htmltree the documentation tree to which the summary will be added
      */
     public void addSummaryComment(Doc doc, Content htmltree) {
         addSummaryComment(doc, doc.firstSentenceTags(), htmltree);
     }
     public void printSummaryComment(Doc doc, Tag[] firstSentenceTags) {
         printCommentTags(doc, firstSentenceTags, false, true);
     }
     /**
      * Adds the summary content.
      *
      * @param doc the doc for which the summary will be generated
      * @param firstSentenceTags the first sentence tags for the doc
      * @param htmltree the documentation tree to which the summary will be added
      */
     public void addSummaryComment(Doc doc, Tag[] firstSentenceTags, Content htmltree) {
         addCommentTags(doc, firstSentenceTags, false, true, htmltree);
     }
     public void printSummaryDeprecatedComment(Doc doc) {
         printCommentTags(doc, doc.firstSentenceTags(), true, true);
     }
     public void printSummaryDeprecatedComment(Doc doc, Tag tag) {
         printCommentTags(doc, tag.firstSentenceTags(), true, true);
     }
     public void addSummaryDeprecatedComment(Doc doc, Tag tag, Content htmltree) {
         addCommentTags(doc, tag.firstSentenceTags(), true, true, htmltree);
     }
     public void printInlineComment(Doc doc) {
         printCommentTags(doc, doc.inlineTags(), false, false);
         p();
     }
     /**
      * Adds the inline comment.
      *
      * @param doc the doc for which the inline comments will be generated
      * @param htmltree the documentation tree to which the inline comments will be added
      */
     public void addInlineComment(Doc doc, Content htmltree) {
         addCommentTags(doc, doc.inlineTags(), false, false, htmltree);
     }
     public void printInlineDeprecatedComment(Doc doc) {
         printCommentTags(doc, doc.inlineTags(), true, false);
     }
     private void printCommentTags(Doc doc, Tag[] tags, boolean depr, boolean first) {
         if(configuration.nocomment){
             return;
         }
         if (depr) {
             italic();
         }
         String result = commentTagsToString(null, doc, tags, first);
         print(result);
         if (depr) {
             italicEnd();
         }
         if (tags.length == 0) {
             space();
         }
     }
     /**
      * Adds the comment tags.
      *
      * @param doc the doc for which the comment tags will be generated
      * @param tags the first sentence tags for the doc
      * @param depr true if it is deprecated
      * @param first true if the first sentenge tags should be added
      * @param htmltree the documentation tree to which the comment tags will be added
      */
     private void addCommentTags(Doc doc, Tag[] tags, boolean depr,
             boolean first, Content htmltree) {
         if(configuration.nocomment){
             return;
         }
         Content div;
         Content result = new RawHtml(commentTagsToString(null, doc, tags, first));
         if (depr) {
             Content italic = HtmlTree.I(result);
             div = HtmlTree.DIV(HtmlStyle.block, italic);
             htmltree.addContent(div);
         }
         else {
             div = HtmlTree.DIV(HtmlStyle.block, result);
             htmltree.addContent(div);
         }
         if (tags.length == 0) {
             htmltree.addContent(getSpace());
         }
     }
     /**
      * Converts inline tags and text to text strings, expanding the
      * inline tags along the way.  Called wherever text can contain
      * an inline tag, such as in comments or in free-form text arguments
      * to non-inline tags.
      *
      * @param holderTag    specific tag where comment resides
      * @param doc    specific doc where comment resides
      * @param tags   array of text tags and inline tags (often alternating)
      *               present in the text of interest for this doc
      * @param isFirstSentence  true if text is first sentence
      */
     public String commentTagsToString(Tag holderTag, Doc doc, Tag[] tags,
             boolean isFirstSentence) {
         StringBuilder result = new StringBuilder();
         boolean textTagChange = false;
         // Array of all possible inline tags for this javadoc run
         configuration.tagletManager.checkTags(doc, tags, true);
         for (int i = 0; i < tags.length; i++) {
             Tag tagelem = tags[i];
             String tagName = tagelem.name();
             if (tagelem instanceof SeeTag) {
                 result.append(seeTagToString((SeeTag)tagelem));
             } else if (! tagName.equals("Text")) {
                 int originalLength = result.length();
                 TagletOutput output = TagletWriter.getInlineTagOuput(
                     configuration.tagletManager, holderTag,
                     tagelem, getTagletWriterInstance(isFirstSentence));
                 result.append(output == null ? "" : output.toString());
                 if (originalLength == 0 && isFirstSentence && tagelem.name().equals("@inheritDoc") && result.length() > 0) {
                     break;
                 } else if (configuration.docrootparent.length() > 0 &&
                         tagelem.name().equals("@docRoot") &&
                         ((tags[i + 1]).text()).startsWith("/..")) {
                     //If Xdocrootparent switch ON, set the flag to remove the /.. occurance after
                     //{@docRoot} tag in the very next Text tag.
                     textTagChange = true;
                     continue;
                 } else {
                     continue;
                 }
             } else {
                 String text = tagelem.text();
                 //If Xdocrootparent switch ON, remove the /.. occurance after {@docRoot} tag.
                 if (textTagChange) {
                     text = text.replaceFirst("/..", "");
                     textTagChange = false;
                 }
                 //This is just a regular text tag.  The text may contain html links (<a>)
                 //or inline tag {@docRoot}, which will be handled as special cases.
                 text = redirectRelativeLinks(tagelem.holder(), text);
                 // Replace @docRoot only if not represented by an instance of DocRootTaglet,
                 // that is, only if it was not present in a source file doc comment.
                 // This happens when inserted by the doclet (a few lines
                 // above in this method).  [It might also happen when passed in on the command
                 // line as a text argument to an option (like -header).]
                 text = replaceDocRootDir(text);
                 if (isFirstSentence) {
                     text = removeNonInlineHtmlTags(text);
                 }
                 StringTokenizer lines = new StringTokenizer(text, "\r\n", true);
                 StringBuffer textBuff = new StringBuffer();
                 while (lines.hasMoreTokens()) {
                     StringBuilder line = new StringBuilder(lines.nextToken());
                     Util.replaceTabs(configuration.sourcetab, line);
                     textBuff.append(line.toString());
                 }
                 result.append(textBuff);
             }
         }
         return result.toString();
     }
     /**
      * Return true if relative links should not be redirected.
      *
      * @return Return true if a relative link should not be redirected.
      */
     private boolean shouldNotRedirectRelativeLinks() {
         return  this instanceof AnnotationTypeWriter ||
                 this instanceof ClassWriter ||
                 this instanceof PackageSummaryWriter;
     }
     /**
      * Suppose a piece of documentation has a relative link.  When you copy
      * that documetation to another place such as the index or class-use page,
      * that relative link will no longer work.  We should redirect those links
      * so that they will work again.
      * <p>
      * Here is the algorithm used to fix the link:
      * <p>
      * {@literal <relative link> => docRoot + <relative path to file> + <relative link> }
      * <p>
      * For example, suppose com.sun.javadoc.RootDoc has this link:
      * {@literal <a href="package-summary.html">The package Page</a> }
      * <p>
      * If this link appeared in the index, we would redirect
      * the link like this:
      *
      * {@literal <a href="./com/sun/javadoc/package-summary.html">The package Page</a>}
      *
      * @param doc the Doc object whose documentation is being written.
      * @param text the text being written.
      *
      * @return the text, with all the relative links redirected to work.
      */
     private String redirectRelativeLinks(Doc doc, String text) {
         if (doc == null || shouldNotRedirectRelativeLinks()) {
             return text;
         }
         String redirectPathFromRoot;
         if (doc instanceof ClassDoc) {
             redirectPathFromRoot = DirectoryManager.getDirectoryPath(((ClassDoc) doc).containingPackage());
         } else if (doc instanceof MemberDoc) {
             redirectPathFromRoot = DirectoryManager.getDirectoryPath(((MemberDoc) doc).containingPackage());
         } else if (doc instanceof PackageDoc) {
             redirectPathFromRoot = DirectoryManager.getDirectoryPath((PackageDoc) doc);
         } else {
             return text;
         }
         if (! redirectPathFromRoot.endsWith(DirectoryManager.URL_FILE_SEPARATOR)) {
             redirectPathFromRoot += DirectoryManager.URL_FILE_SEPARATOR;
         }
         //Redirect all relative links.
         int end, begin = text.toLowerCase().indexOf("<a");
         if(begin >= 0){
             StringBuffer textBuff = new StringBuffer(text);
             while(begin >=0){
                 if (textBuff.length() > begin + 2 && ! Character.isWhitespace(textBuff.charAt(begin+2))) {
                     begin = textBuff.toString().toLowerCase().indexOf("<a", begin + 1);
                     continue;
                 }
                 begin = textBuff.indexOf("=", begin) + 1;
                 end = textBuff.indexOf(">", begin +1);
                 if(begin == 0){
                     //Link has no equal symbol.
                     configuration.root.printWarning(
                         doc.position(),
                         configuration.getText("doclet.malformed_html_link_tag", text));
                     break;
                 }
                 if (end == -1) {
                     //Break without warning.  This <a> tag is not necessarily malformed.  The text
                     //might be missing '>' character because the href has an inline tag.
                     break;
                 }
                 if(textBuff.substring(begin, end).indexOf("\"") != -1){
                     begin = textBuff.indexOf("\"", begin) + 1;
                     end = textBuff.indexOf("\"", begin +1);
                     if(begin == 0 || end == -1){
                         //Link is missing a quote.
                         break;
                     }
                 }
                 String relativeLink = textBuff.substring(begin, end);
                 if(!(relativeLink.toLowerCase().startsWith("mailto:") ||
                      relativeLink.toLowerCase().startsWith("http:") ||
                      relativeLink.toLowerCase().startsWith("https:") ||
                      relativeLink.toLowerCase().startsWith("file:"))){
                      relativeLink = "{@"+(new DocRootTaglet()).getName() + "}"
                         + redirectPathFromRoot
                         + relativeLink;
                     textBuff.replace(begin, end, relativeLink);
                 }
                 begin = textBuff.toString().toLowerCase().indexOf("<a", begin + 1);
             }
             return textBuff.toString();
         }
         return text;
     }
     public String removeNonInlineHtmlTags(String text) {
         if (text.indexOf('<') < 0) {
             return text;
         }
         String noninlinetags[] = { "<ul>", "</ul>", "<ol>", "</ol>",
                 "<dl>", "</dl>", "<table>", "</table>",
                 "<tr>", "</tr>", "<td>", "</td>",
                 "<th>", "</th>", "<p>", "</p>",
                 "<li>", "</li>", "<dd>", "</dd>",
                 "<dir>", "</dir>", "<dt>", "</dt>",
                 "<h1>", "</h1>", "<h2>", "</h2>",
                 "<h3>", "</h3>", "<h4>", "</h4>",
                 "<h5>", "</h5>", "<h6>", "</h6>",
                 "<pre>", "</pre>", "<menu>", "</menu>",
                 "<listing>", "</listing>", "<hr>",
                 "<blockquote>", "</blockquote>",
                 "<center>", "</center>",
                 "<UL>", "</UL>", "<OL>", "</OL>",
                 "<DL>", "</DL>", "<TABLE>", "</TABLE>",
                 "<TR>", "</TR>", "<TD>", "</TD>",
                 "<TH>", "</TH>", "<P>", "</P>",
                 "<LI>", "</LI>", "<DD>", "</DD>",
                 "<DIR>", "</DIR>", "<DT>", "</DT>",
                 "<H1>", "</H1>", "<H2>", "</H2>",
                 "<H3>", "</H3>", "<H4>", "</H4>",
                 "<H5>", "</H5>", "<H6>", "</H6>",
                 "<PRE>", "</PRE>", "<MENU>", "</MENU>",
                 "<LISTING>", "</LISTING>", "<HR>",
                 "<BLOCKQUOTE>", "</BLOCKQUOTE>",
                 "<CENTER>", "</CENTER>"
         };
         for (int i = 0; i < noninlinetags.length; i++) {
             text = replace(text, noninlinetags[i], "");
         }
         return text;
     }
     public String replace(String text, String tobe, String by) {
         while (true) {
             int startindex = text.indexOf(tobe);
             if (startindex < 0) {
                 return text;
             }
             int endindex = startindex + tobe.length();
             StringBuilder replaced = new StringBuilder();
             if (startindex > 0) {
                 replaced.append(text.substring(0, startindex));
             }
             replaced.append(by);
             if (text.length() > endindex) {
                 replaced.append(text.substring(endindex));
             }
             text = replaced.toString();
         }
     }
     public void printStyleSheetProperties() {
         String filename = configuration.stylesheetfile;
         if (filename.length() > 0) {
             File stylefile = new File(filename);
             String parent = stylefile.getParent();
             filename = (parent == null)?
                 filename:
                 filename.substring(parent.length() + 1);
         } else {
             filename = "stylesheet.css";
         }
         filename = relativePath + filename;
         link("REL =\"stylesheet\" TYPE=\"text/css\" HREF=\"" +
                  filename + "\" " + "TITLE=\"Style\"");
     }
     /**
      * Returns a link to the stylesheet file.
      *
      * @return an HtmlTree for the lINK tag which provides the stylesheet location
      */
     public HtmlTree getStyleSheetProperties() {
         String filename = configuration.stylesheetfile;
         if (filename.length() > 0) {
             File stylefile = new File(filename);
             String parent = stylefile.getParent();
             filename = (parent == null)?
                 filename:
                 filename.substring(parent.length() + 1);
         } else {
             filename = "stylesheet.css";
         }
         filename = relativePath + filename;
         HtmlTree link = HtmlTree.LINK("stylesheet", "text/css", filename, "Style");
         return link;
     }
     /**
      * According to
      * <cite>The Java&trade; Language Specification</cite>,
      * all the outer classes and static nested classes are core classes.
      */
     public boolean isCoreClass(ClassDoc cd) {
         return cd.containingClass() == null || cd.isStatic();
     }
     /**
      * Write the annotatation types for the given packageDoc.
      *
      * @param packageDoc the package to write annotations for.
      */
     public void writeAnnotationInfo(PackageDoc packageDoc) {
         writeAnnotationInfo(packageDoc, packageDoc.annotations());
     }
     /**
      * Adds the annotatation types for the given packageDoc.
      *
      * @param packageDoc the package to write annotations for.
      * @param htmltree the documentation tree to which the annotation info will be
      *        added
      */
     public void addAnnotationInfo(PackageDoc packageDoc, Content htmltree) {
         addAnnotationInfo(packageDoc, packageDoc.annotations(), htmltree);
     }
     /**
      * Write the annotatation types for the given doc.
      *
      * @param doc the doc to write annotations for.
      */
     public void writeAnnotationInfo(ProgramElementDoc doc) {
         writeAnnotationInfo(doc, doc.annotations());
     }
     /**
      * Adds the annotatation types for the given doc.
      *
      * @param doc the package to write annotations for
      * @param htmltree the content tree to which the annotation types will be added
      */
     public void addAnnotationInfo(ProgramElementDoc doc, Content htmltree) {
         addAnnotationInfo(doc, doc.annotations(), htmltree);
     }
     /**
      * Write the annotatation types for the given doc and parameter.
      *
      * @param indent the number of spaced to indent the parameters.
      * @param doc the doc to write annotations for.
      * @param param the parameter to write annotations for.
      */
     public boolean writeAnnotationInfo(int indent, Doc doc, Parameter param) {
         return writeAnnotationInfo(indent, doc, param.annotations(), false);
     }
     /**
      * Add the annotatation types for the given doc and parameter.
      *
      * @param indent the number of spaces to indent the parameters.
      * @param doc the doc to write annotations for.
      * @param param the parameter to write annotations for.
      * @param tree the content tree to which the annotation types will be added
      */
     public boolean addAnnotationInfo(int indent, Doc doc, Parameter param,
             Content tree) {
         return addAnnotationInfo(indent, doc, param.annotations(), false, tree);
     }
     /**
      * Write the annotatation types for the given doc.
      *
      * @param doc the doc to write annotations for.
      * @param descList the array of {@link AnnotationDesc}.
      */
     private void writeAnnotationInfo(Doc doc, AnnotationDesc[] descList) {
         writeAnnotationInfo(0, doc, descList, true);
     }
     /**
      * Adds the annotatation types for the given doc.
      *
      * @param doc the doc to write annotations for.
      * @param descList the array of {@link AnnotationDesc}.
      * @param htmltree the documentation tree to which the annotation info will be
      *        added
      */
     private void addAnnotationInfo(Doc doc, AnnotationDesc[] descList,
             Content htmltree) {
         addAnnotationInfo(0, doc, descList, true, htmltree);
     }
     /**
      * Write the annotatation types for the given doc.
      *
      * @param indent the number of extra spaces to indent the annotations.
      * @param doc the doc to write annotations for.
      * @param descList the array of {@link AnnotationDesc}.
      */
     private boolean writeAnnotationInfo(int indent, Doc doc, AnnotationDesc[] descList, boolean lineBreak) {
         List<String> annotations = getAnnotations(indent, descList, lineBreak);
         if (annotations.size() == 0) {
             return false;
         }
         fontNoNewLine("-1");
         for (Iterator<String> iter = annotations.iterator(); iter.hasNext();) {
             print(iter.next());
         }
         fontEnd();
         return true;
     }
     /**
      * Adds the annotatation types for the given doc.
      *
      * @param indent the number of extra spaces to indent the annotations.
      * @param doc the doc to write annotations for.
      * @param descList the array of {@link AnnotationDesc}.
      * @param htmltree the documentation tree to which the annotation info will be
      *        added
      */
     private boolean addAnnotationInfo(int indent, Doc doc,
             AnnotationDesc[] descList, boolean lineBreak, Content htmltree) {
         List<String> annotations = getAnnotations(indent, descList, lineBreak);
         if (annotations.size() == 0) {
             return false;
         }
         Content annotationContent;
         for (Iterator<String> iter = annotations.iterator(); iter.hasNext();) {
             annotationContent = new RawHtml(iter.next());
             htmltree.addContent(annotationContent);
         }
         return true;
     }
    /**
      * Return the string representations of the annotation types for
      * the given doc.
      *
      * @param indent the number of extra spaces to indent the annotations.
      * @param descList the array of {@link AnnotationDesc}.
      * @param linkBreak if true, add new line between each member value.
      * @return an array of strings representing the annotations being
      *         documented.
      */
     private List<String> getAnnotations(int indent, AnnotationDesc[] descList, boolean linkBreak) {
         List<String> results = new ArrayList<String>();
         StringBuffer annotation;
         for (int i = 0; i < descList.length; i++) {
             AnnotationTypeDoc annotationDoc = descList[i].annotationType();
             if (! Util.isDocumentedAnnotation(annotationDoc)){
                 continue;
             }
             annotation = new StringBuffer();
             LinkInfoImpl linkInfo = new LinkInfoImpl(
                 LinkInfoImpl.CONTEXT_ANNOTATION, annotationDoc);
             linkInfo.label = "@" + annotationDoc.name();
             annotation.append(getLink(linkInfo));
             AnnotationDesc.ElementValuePair[] pairs = descList[i].elementValues();
             if (pairs.length > 0) {
                 annotation.append('(');
                 for (int j = 0; j < pairs.length; j++) {
                     if (j > 0) {
                         annotation.append(",");
                         if (linkBreak) {
                             annotation.append(DocletConstants.NL);
                             int spaces = annotationDoc.name().length() + 2;
                             for (int k = 0; k < (spaces + indent); k++) {
                                 annotation.append(' ');
                             }
                         }
                     }
                     annotation.append(getDocLink(LinkInfoImpl.CONTEXT_ANNOTATION,
                         pairs[j].element(), pairs[j].element().name(), false));
                     annotation.append('=');
                     AnnotationValue annotationValue = pairs[j].value();
                     List<AnnotationValue> annotationTypeValues = new ArrayList<AnnotationValue>();
                     if (annotationValue.value() instanceof AnnotationValue[]) {
                         AnnotationValue[] annotationArray =
                             (AnnotationValue[]) annotationValue.value();
                         for (int k = 0; k < annotationArray.length; k++) {
                             annotationTypeValues.add(annotationArray[k]);
                         }
                     } else {
                         annotationTypeValues.add(annotationValue);
                     }
                     annotation.append(annotationTypeValues.size() == 1 ? "" : "{");
                     for (Iterator<AnnotationValue> iter = annotationTypeValues.iterator(); iter.hasNext(); ) {
                         annotation.append(annotationValueToString(iter.next()));
                         annotation.append(iter.hasNext() ? "," : "");
                     }
                     annotation.append(annotationTypeValues.size() == 1 ? "" : "}");
                 }
                 annotation.append(")");
             }
             annotation.append(linkBreak ? DocletConstants.NL : "");
             results.add(annotation.toString());
         }
         return results;
     }
     private String annotationValueToString(AnnotationValue annotationValue) {
         if (annotationValue.value() instanceof Type) {
             Type type = (Type) annotationValue.value();
             if (type.asClassDoc() != null) {
                 LinkInfoImpl linkInfo = new LinkInfoImpl(
                     LinkInfoImpl.CONTEXT_ANNOTATION, type);
                     linkInfo.label = (type.asClassDoc().isIncluded() ?
                         type.typeName() :
                         type.qualifiedTypeName()) + type.dimension() + ".class";
                 return getLink(linkInfo);
             } else {
                 return type.typeName() + type.dimension() + ".class";
             }
         } else if (annotationValue.value() instanceof AnnotationDesc) {
             List<String> list = getAnnotations(0,
                 new AnnotationDesc[]{(AnnotationDesc) annotationValue.value()},
                     false);
             StringBuffer buf = new StringBuffer();
             for (Iterator<String> iter = list.iterator(); iter.hasNext(); ) {
                 buf.append(iter.next());
             }
             return buf.toString();
         } else if (annotationValue.value() instanceof MemberDoc) {
             return getDocLink(LinkInfoImpl.CONTEXT_ANNOTATION,
                 (MemberDoc) annotationValue.value(),
                 ((MemberDoc) annotationValue.value()).name(), false);
          } else {
             return annotationValue.toString();
          }
     }
     /**
      * Return the configuation for this doclet.
      *
      * @return the configuration for this doclet.
      */
     public Configuration configuration() {
         return configuration;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/doclets/formats/html/HtmlDocletWriter.java@6517bf8e50d0 (annotated)

src/share/classes/com/sun/tools/doclets/formats/html/HtmlDocletWriter.java