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

Tue, 23 Oct 2012 13:20:37 -0700

author
jjg
date
Tue, 23 Oct 2012 13:20:37 -0700
changeset 1372
78962d89f283
parent 1359
25e14ad23cef
child 1373
4a1c57a1c410
permissions
-rw-r--r--

8000741: refactor javadoc to use abstraction to handle relative paths
Reviewed-by: darcy

     1 /*
     2  * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Oracle designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Oracle in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    22  * or visit www.oracle.com if you need additional information or have any
    23  * questions.
    24  */
    26 package com.sun.tools.doclets.formats.html;
    28 import java.io.*;
    30 import com.sun.tools.doclets.formats.html.markup.*;
    31 import com.sun.tools.doclets.internal.toolkit.*;
    32 import com.sun.tools.doclets.internal.toolkit.util.*;
    34 /**
    35  * Generate Separate Index Files for all the member names with Indexing in
    36  * Unicode Order. This will create "index-files" directory in the current or
    37  * destination directory and will generate separate file for each unicode index.
    38  *
    39  *  <p><b>This is NOT part of any supported API.
    40  *  If you write code that depends on this, you do so at your own risk.
    41  *  This code and its internal interfaces are subject to change or
    42  *  deletion without notice.</b>
    43  *
    44  * @see java.lang.Character
    45  * @author Atul M Dambalkar
    46  * @author Bhavesh Patel (Modified)
    47  */
    48 public class SplitIndexWriter extends AbstractIndexWriter {
    50     /**
    51      * Previous unicode character index in the built index.
    52      */
    53     protected int prev;
    55     /**
    56      * Next unicode character in the built index.
    57      */
    58     protected int next;
    60     /**
    61      * Construct the SplitIndexWriter. Uses path to this file and relative path
    62      * from this file.
    63      *
    64      * @param path       Path to the file which is getting generated.
    65      * @param filename   Name of the file which is getting genrated.
    66      * @param relpath    Relative path from this file to the current directory.
    67      * @param indexbuilder Unicode based Index from {@link IndexBuilder}
    68      */
    69     public SplitIndexWriter(ConfigurationImpl configuration,
    70                             DocPath path,
    71                             IndexBuilder indexbuilder,
    72                             int prev, int next) throws IOException {
    73         super(configuration, path, indexbuilder);
    74         this.prev = prev;
    75         this.next = next;
    76     }
    78     /**
    79      * Generate separate index files, for each Unicode character, listing all
    80      * the members starting with the particular unicode character.
    81      *
    82      * @param indexbuilder IndexBuilder built by {@link IndexBuilder}
    83      * @throws DocletAbortException
    84      */
    85     public static void generate(ConfigurationImpl configuration,
    86                                 IndexBuilder indexbuilder) {
    87         SplitIndexWriter indexgen;
    88         DocPath filename = DocPath.empty;
    89         DocPath path = DocPaths.INDEX_FILES;
    90         try {
    91             for (int i = 0; i < indexbuilder.elements().length; i++) {
    92                 int j = i + 1;
    93                 int prev = (j == 1)? -1: i;
    94                 int next = (j == indexbuilder.elements().length)? -1: j + 1;
    95                 filename = DocPaths.indexN(j);
    96                 indexgen = new SplitIndexWriter(configuration,
    97                                                 path.resolve(filename),
    98                                                 indexbuilder, prev, next);
    99                 indexgen.generateIndexFile((Character)indexbuilder.
   100                                                                  elements()[i]);
   101                 indexgen.close();
   102             }
   103         } catch (IOException exc) {
   104             configuration.standardmessage.error(
   105                         "doclet.exception_encountered",
   106                         exc.toString(), filename.getPath());
   107             throw new DocletAbortException();
   108         }
   109     }
   111     /**
   112      * Generate the contents of each index file, with Header, Footer,
   113      * Member Field, Method and Constructor Description.
   114      *
   115      * @param unicode Unicode character referring to the character for the
   116      * index.
   117      */
   118     protected void generateIndexFile(Character unicode) throws IOException {
   119         String title = configuration.getText("doclet.Window_Split_Index",
   120                 unicode.toString());
   121         Content body = getBody(true, getWindowTitle(title));
   122         addTop(body);
   123         addNavLinks(true, body);
   124         HtmlTree divTree = new HtmlTree(HtmlTag.DIV);
   125         divTree.addStyle(HtmlStyle.contentContainer);
   126         addLinksForIndexes(divTree);
   127         addContents(unicode, indexbuilder.getMemberList(unicode), divTree);
   128         addLinksForIndexes(divTree);
   129         body.addContent(divTree);
   130         addNavLinks(false, body);
   131         addBottom(body);
   132         printHtmlDocument(null, true, body);
   133     }
   135     /**
   136      * Add links for all the Index Files per unicode character.
   137      *
   138      * @param contentTree the content tree to which the links for indexes will be added
   139      */
   140     protected void addLinksForIndexes(Content contentTree) {
   141         Object[] unicodeChars = indexbuilder.elements();
   142         for (int i = 0; i < unicodeChars.length; i++) {
   143             int j = i + 1;
   144             contentTree.addContent(getHyperLink(DocPaths.indexN(j),
   145                     new StringContent(unicodeChars[i].toString())));
   146             contentTree.addContent(getSpace());
   147         }
   148     }
   150     /**
   151      * Get link to the previous unicode character.
   152      *
   153      * @return a content tree for the link
   154      */
   155     public Content getNavLinkPrevious() {
   156         Content prevletterLabel = getResource("doclet.Prev_Letter");
   157         if (prev == -1) {
   158             return HtmlTree.LI(prevletterLabel);
   159         }
   160         else {
   161             Content prevLink = getHyperLink(DocPaths.indexN(prev), "",
   162                     prevletterLabel);
   163             return HtmlTree.LI(prevLink);
   164         }
   165     }
   167     /**
   168      * Get link to the next unicode character.
   169      *
   170      * @return a content tree for the link
   171      */
   172     public Content getNavLinkNext() {
   173         Content nextletterLabel = getResource("doclet.Next_Letter");
   174         if (next == -1) {
   175             return HtmlTree.LI(nextletterLabel);
   176         }
   177         else {
   178             Content nextLink = getHyperLink(DocPaths.indexN(next), "",
   179                     nextletterLabel);
   180             return HtmlTree.LI(nextLink);
   181         }
   182     }
   183 }

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