Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 1997, 2013, 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 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.util.*;

 /**

  * Writes method documentation in HTML format.

  *

  *  <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>

  *

  * @author Robert Field

  * @author Atul M Dambalkar

  * @author Jamie Ho (rewrite)

  * @author Bhavesh Patel (Modified)

  */

 public class MethodWriterImpl extends AbstractExecutableMemberWriter

         implements MethodWriter, MemberSummaryWriter {

     /**

      * Construct a new MethodWriterImpl.

      *

      * @param writer the writer for the class that the methods belong to.

      * @param classDoc the class being documented.

      */

     public MethodWriterImpl(SubWriterHolderWriter writer, ClassDoc classDoc) {

         super(writer, classDoc);

     }

     /**

      * Construct a new MethodWriterImpl.

      *

      * @param writer The writer for the class that the methods belong to.

      */

     public MethodWriterImpl(SubWriterHolderWriter writer) {

         super(writer);

     }

     /**

      * {@inheritDoc}

      */

     public Content getMemberSummaryHeader(ClassDoc classDoc,

             Content memberSummaryTree) {

         memberSummaryTree.addContent(HtmlConstants.START_OF_METHOD_SUMMARY);

         Content memberTree = writer.getMemberTreeHeader();

         writer.addSummaryHeader(this, classDoc, memberTree);

         return memberTree;

     }

     /**

      * {@inheritDoc}

      */

     public Content getMethodDetailsTreeHeader(ClassDoc classDoc,

             Content memberDetailsTree) {

         memberDetailsTree.addContent(HtmlConstants.START_OF_METHOD_DETAILS);

         Content methodDetailsTree = writer.getMemberTreeHeader();

         methodDetailsTree.addContent(writer.getMarkerAnchor("method_detail"));

         Content heading = HtmlTree.HEADING(HtmlConstants.DETAILS_HEADING,

                 writer.methodDetailsLabel);

         methodDetailsTree.addContent(heading);

         return methodDetailsTree;

     }

     /**

      * {@inheritDoc}

      */

     public Content getMethodDocTreeHeader(MethodDoc method,

             Content methodDetailsTree) {

         String erasureAnchor;

         if ((erasureAnchor = getErasureAnchor(method)) != null) {

             methodDetailsTree.addContent(writer.getMarkerAnchor((erasureAnchor)));

         }

         methodDetailsTree.addContent(

                 writer.getMarkerAnchor(writer.getAnchor(method)));

         Content methodDocTree = writer.getMemberTreeHeader();

         Content heading = new HtmlTree(HtmlConstants.MEMBER_HEADING);

         heading.addContent(method.name());

         methodDocTree.addContent(heading);

         return methodDocTree;

     }

     /**

      * Get the signature for the given method.

      *

      * @param method the method being documented.

      * @return a content object for the signature

      */

     public Content getSignature(MethodDoc method) {

         writer.displayLength = 0;

         Content pre = new HtmlTree(HtmlTag.PRE);

         writer.addAnnotationInfo(method, pre);

         addModifiers(method, pre);

         addTypeParameters(method, pre);

         addReturnType(method, pre);

         if (configuration.linksource) {

             Content methodName = new StringContent(method.name());

             writer.addSrcLink(method, methodName, pre);

         } else {

             addName(method.name(), pre);

         }

         addParameters(method, pre);

         addExceptions(method, pre);

         return pre;

     }

     /**

      * {@inheritDoc}

      */

     public void addDeprecated(MethodDoc method, Content methodDocTree) {

         addDeprecatedInfo(method, methodDocTree);

     }

     /**

      * {@inheritDoc}

      */

     public void addComments(Type holder, MethodDoc method, Content methodDocTree) {

         ClassDoc holderClassDoc = holder.asClassDoc();

         if (method.inlineTags().length > 0) {

             if (holder.asClassDoc().equals(classdoc) ||

                     (! (holderClassDoc.isPublic() ||

                     Util.isLinkable(holderClassDoc, configuration)))) {

                 writer.addInlineComment(method, methodDocTree);

             } else {

                 Content link = new RawHtml(

                         writer.getDocLink(LinkInfoImpl.CONTEXT_METHOD_DOC_COPY,

                         holder.asClassDoc(), method,

                         holder.asClassDoc().isIncluded() ?

                             holder.typeName() : holder.qualifiedTypeName(),

                             false));

                 Content codelLink = HtmlTree.CODE(link);

                 Content strong = HtmlTree.STRONG(holder.asClassDoc().isClass()?

                     writer.descfrmClassLabel : writer.descfrmInterfaceLabel);

                 strong.addContent(writer.getSpace());

                 strong.addContent(codelLink);

                 methodDocTree.addContent(HtmlTree.DIV(HtmlStyle.block, strong));

                 writer.addInlineComment(method, methodDocTree);

             }

         }

     }

     /**

      * {@inheritDoc}

      */

     public void addTags(MethodDoc method, Content methodDocTree) {

         writer.addTagsInfo(method, methodDocTree);

     }

     /**

      * {@inheritDoc}

      */

     public Content getMethodDetails(Content methodDetailsTree) {

         return getMemberTree(methodDetailsTree);

     }

     /**

      * {@inheritDoc}

      */

     public Content getMethodDoc(Content methodDocTree,

             boolean isLastContent) {

         return getMemberTree(methodDocTree, isLastContent);

     }

     /**

      * Close the writer.

      */

     public void close() throws IOException {

         writer.close();

     }

     public int getMemberKind() {

         return VisibleMemberMap.METHODS;

     }

     /**

      * {@inheritDoc}

      */

     public void addSummaryLabel(Content memberTree) {

         Content label = HtmlTree.HEADING(HtmlConstants.SUMMARY_HEADING,

                 writer.getResource("doclet.Method_Summary"));

         memberTree.addContent(label);

     }

     /**

      * {@inheritDoc}

      */

     public String getTableSummary() {

         return configuration.getText("doclet.Member_Table_Summary",

                 configuration.getText("doclet.Method_Summary"),

                 configuration.getText("doclet.methods"));

     }

     /**

      * {@inheritDoc}

      */

     public String getCaption() {

         return configuration.getText("doclet.Methods");

     }

     /**

      * {@inheritDoc}

      */

     public String[] getSummaryTableHeader(ProgramElementDoc member) {

         String[] header = new String[] {

             writer.getModifierTypeHeader(),

             configuration.getText("doclet.0_and_1",

                     configuration.getText("doclet.Method"),

                     configuration.getText("doclet.Description"))

         };

         return header;

     }

     /**

      * {@inheritDoc}

      */

     public void addSummaryAnchor(ClassDoc cd, Content memberTree) {

         memberTree.addContent(writer.getMarkerAnchor("method_summary"));

     }

     /**

      * {@inheritDoc}

      */

     public void addInheritedSummaryAnchor(ClassDoc cd, Content inheritedTree) {

         inheritedTree.addContent(writer.getMarkerAnchor(

                 "methods_inherited_from_class_" +

                 configuration.getClassName(cd)));

     }

     /**

      * {@inheritDoc}

      */

     public void addInheritedSummaryLabel(ClassDoc cd, Content inheritedTree) {

         Content classLink = new RawHtml(writer.getPreQualifiedClassLink(

                 LinkInfoImpl.CONTEXT_MEMBER, cd, false));

         Content label = new StringContent(cd.isClass() ?

             configuration.getText("doclet.Methods_Inherited_From_Class") :

             configuration.getText("doclet.Methods_Inherited_From_Interface"));

         Content labelHeading = HtmlTree.HEADING(HtmlConstants.INHERITED_SUMMARY_HEADING,

                 label);

         labelHeading.addContent(writer.getSpace());

         labelHeading.addContent(classLink);

         inheritedTree.addContent(labelHeading);

     }

     /**

      * {@inheritDoc}

      */

     protected void addSummaryType(ProgramElementDoc member, Content tdSummaryType) {

         MethodDoc meth = (MethodDoc)member;

         addModifierAndType(meth, meth.returnType(), tdSummaryType);

     }

     /**

      * {@inheritDoc}

      */

     protected static void addOverridden(HtmlDocletWriter writer,

             Type overriddenType, MethodDoc method, Content dl) {

         if (writer.configuration.nocomment) {

             return;

         }

         ClassDoc holderClassDoc = overriddenType.asClassDoc();

         if (! (holderClassDoc.isPublic() ||

             Util.isLinkable(holderClassDoc, writer.configuration))) {

             //This is an implementation detail that should not be documented.

             return;

         }

         if (overriddenType.asClassDoc().isIncluded() && ! method.isIncluded()) {

             //The class is included but the method is not.  That means that it

             //is not visible so don't document this.

             return;

         }

         Content label = writer.overridesLabel;

         int context = LinkInfoImpl.CONTEXT_METHOD_OVERRIDES;

         if (method != null) {

             if (overriddenType.asClassDoc().isAbstract() && method.isAbstract()){

                 //Abstract method is implemented from abstract class,

                 //not overridden

                 label = writer.specifiedByLabel;

                 context = LinkInfoImpl.CONTEXT_METHOD_SPECIFIED_BY;

             }

             Content dt = HtmlTree.DT(HtmlTree.STRONG(label));

             dl.addContent(dt);

             Content overriddenTypeLink = new RawHtml(

                     writer.getLink(new LinkInfoImpl(writer.configuration, context, overriddenType)));

             Content codeOverridenTypeLink = HtmlTree.CODE(overriddenTypeLink);

             String name = method.name();

             Content methlink = new RawHtml(writer.getLink(

                     new LinkInfoImpl(writer.configuration, LinkInfoImpl.CONTEXT_MEMBER,

                     overriddenType.asClassDoc(),

                     writer.getAnchor(method), name, false)));

             Content codeMethLink = HtmlTree.CODE(methlink);

             Content dd = HtmlTree.DD(codeMethLink);

             dd.addContent(writer.getSpace());

             dd.addContent(writer.getResource("doclet.in_class"));

             dd.addContent(writer.getSpace());

             dd.addContent(codeOverridenTypeLink);

             dl.addContent(dd);

         }

     }

     /**

      * Parse the <Code> tag and return the text.

      */

     protected String parseCodeTag(String tag){

         if(tag == null){

             return "";

         }

         String lc = tag.toLowerCase();

         int begin = lc.indexOf("<code>");

         int end = lc.indexOf("</code>");

         if(begin == -1 || end == -1 || end <= begin){

             return tag;

         } else {

             return tag.substring(begin + 6, end);

         }

     }

     /**

      * {@inheritDoc}

      */

     protected static void addImplementsInfo(HtmlDocletWriter writer,

             MethodDoc method, Content dl) {

         if(writer.configuration.nocomment){

             return;

         }

         ImplementedMethods implementedMethodsFinder =

                 new ImplementedMethods(method, writer.configuration);

         MethodDoc[] implementedMethods = implementedMethodsFinder.build();

         for (int i = 0; i < implementedMethods.length; i++) {

             MethodDoc implementedMeth = implementedMethods[i];

             Type intfac = implementedMethodsFinder.getMethodHolder(implementedMeth);

             Content intfaclink = new RawHtml(writer.getLink(new LinkInfoImpl(

                     writer.configuration, LinkInfoImpl.CONTEXT_METHOD_SPECIFIED_BY, intfac)));

             Content codeIntfacLink = HtmlTree.CODE(intfaclink);

             Content dt = HtmlTree.DT(HtmlTree.STRONG(writer.specifiedByLabel));

             dl.addContent(dt);

             Content methlink = new RawHtml(writer.getDocLink(

                     LinkInfoImpl.CONTEXT_MEMBER, implementedMeth,

                     implementedMeth.name(), false));

             Content codeMethLink = HtmlTree.CODE(methlink);

             Content dd = HtmlTree.DD(codeMethLink);

             dd.addContent(writer.getSpace());

             dd.addContent(writer.getResource("doclet.in_interface"));

             dd.addContent(writer.getSpace());

             dd.addContent(codeIntfacLink);

             dl.addContent(dd);

         }

     }

     /**

      * Add the return type.

      *

      * @param method the method being documented.

      * @param htmltree the content tree to which the return type will be added

      */

     protected void addReturnType(MethodDoc method, Content htmltree) {

         Type type = method.returnType();

         if (type != null) {

             Content linkContent = new RawHtml(writer.getLink(

                     new LinkInfoImpl(configuration, LinkInfoImpl.CONTEXT_RETURN_TYPE, type)));

             htmltree.addContent(linkContent);

             htmltree.addContent(writer.getSpace());

         }

     }

     /**

      * {@inheritDoc}

      */

     protected Content getNavSummaryLink(ClassDoc cd, boolean link) {

         if (link) {

             return writer.getHyperLink((cd == null)?

                 "method_summary":

                 "methods_inherited_from_class_" +

                 configuration.getClassName(cd),

                 writer.getResource("doclet.navMethod"));

         } else {

             return writer.getResource("doclet.navMethod");

         }

     }

     /**

      * {@inheritDoc}

      */

     protected void addNavDetailLink(boolean link, Content liNav) {

         if (link) {

             liNav.addContent(writer.getHyperLink("method_detail",

                     writer.getResource("doclet.navMethod")));

         } else {

             liNav.addContent(writer.getResource("doclet.navMethod"));

         }

     }

 }