src/share/classes/com/sun/tools/doclets/internal/toolkit/taglets/InheritDocTaglet.java

Tue, 18 Jun 2013 20:56:04 -0700

author
mfang
date
Tue, 18 Jun 2013 20:56:04 -0700
changeset 1841
792c40d5185a
parent 1751
ca8808c88f94
child 2525
2eb010b6cb22
permissions
-rw-r--r--

8015657: jdk8 l10n resource file translation update 3
Reviewed-by: yhuang

duke@1 1 /*
jjg@1724 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
ohair@554 7 * published by the Free Software Foundation. Oracle designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
ohair@554 9 * by Oracle in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
ohair@554 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 22 * or visit www.oracle.com if you need additional information or have any
ohair@554 23 * questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.doclets.internal.toolkit.taglets;
duke@1 27
duke@1 28 import com.sun.javadoc.*;
jjg@1410 29 import com.sun.tools.doclets.internal.toolkit.Configuration;
jjg@1751 30 import com.sun.tools.doclets.internal.toolkit.Content;
duke@1 31 import com.sun.tools.doclets.internal.toolkit.util.*;
duke@1 32
duke@1 33 /**
duke@1 34 * An inline Taglet representing the <b>inheritDoc</b> tag. This tag should only
duke@1 35 * be used with a method. It is used to inherit documentation from overriden
duke@1 36 * and implemented methods.
duke@1 37 *
jjg@1359 38 * <p><b>This is NOT part of any supported API.
jjg@1359 39 * If you write code that depends on this, you do so at your own risk.
jjg@1359 40 * This code and its internal interfaces are subject to change or
jjg@1359 41 * deletion without notice.</b>
duke@1 42 *
duke@1 43 * @author Jamie Ho
duke@1 44 * @since 1.4
duke@1 45 */
duke@1 46
duke@1 47 public class InheritDocTaglet extends BaseInlineTaglet {
duke@1 48
duke@1 49 /**
duke@1 50 * The inline tag that would appear in the documentation if
duke@1 51 * the writer wanted documentation to be inherited.
duke@1 52 */
duke@1 53 public static final String INHERIT_DOC_INLINE_TAG = "{@inheritDoc}";
duke@1 54
duke@1 55 /**
duke@1 56 * Construct a new InheritDocTaglet.
duke@1 57 */
duke@1 58 public InheritDocTaglet () {
duke@1 59 name = "inheritDoc";
duke@1 60 }
duke@1 61
duke@1 62 /**
duke@1 63 * Will return false because this inline tag may
jjg@1724 64 * not appear in Fields.
jjg@1724 65 * @return false
duke@1 66 */
duke@1 67 public boolean inField() {
duke@1 68 return false;
duke@1 69 }
duke@1 70
duke@1 71 /**
duke@1 72 * Will return false because this inline tag may
jjg@1724 73 * not appear in Constructors.
jjg@1724 74 * @return false
duke@1 75 */
duke@1 76 public boolean inConstructor() {
duke@1 77 return false;
duke@1 78 }
duke@1 79
duke@1 80 /**
duke@1 81 * Will return false because this inline tag may
jjg@1724 82 * not appear in Overview.
jjg@1724 83 * @return false
duke@1 84 */
duke@1 85 public boolean inOverview() {
duke@1 86 return false;
duke@1 87 }
duke@1 88
duke@1 89 /**
duke@1 90 * Will return false because this inline tag may
jjg@1724 91 * not appear in Packages.
jjg@1724 92 * @return false
duke@1 93 */
duke@1 94 public boolean inPackage() {
duke@1 95 return false;
duke@1 96 }
duke@1 97
duke@1 98 /**
jjg@1724 99 * Will return true because this inline tag may
jjg@1724 100 * appear in Type (Class).
jjg@1724 101 * @return true
duke@1 102 */
duke@1 103 public boolean inType() {
jjg@1724 104 return true;
duke@1 105 }
duke@1 106
duke@1 107 /**
duke@1 108 * Given a <code>MethodDoc</code> item, a <code>Tag</code> in the
jjg@1410 109 * <code>MethodDoc</code> item and a String, replace all occurrences
duke@1 110 * of @inheritDoc with documentation from it's superclass or superinterface.
duke@1 111 *
duke@1 112 * @param writer the writer that is writing the output.
jjg@1724 113 * @param ped the {@link ProgramElementDoc} that we are documenting.
jjg@1724 114 * @param holderTag the tag that holds the inheritDoc tag or null for type
jjg@1724 115 * (class) docs.
duke@1 116 * @param isFirstSentence true if we only want to inherit the first sentence.
duke@1 117 */
jjg@1751 118 private Content retrieveInheritedDocumentation(TagletWriter writer,
jjg@1724 119 ProgramElementDoc ped, Tag holderTag, boolean isFirstSentence) {
jjg@1751 120 Content replacement = writer.getOutputInstance();
duke@1 121
jjg@1410 122 Configuration configuration = writer.configuration();
duke@1 123 Taglet inheritableTaglet = holderTag == null ?
jjg@1410 124 null : configuration.tagletManager.getTaglet(holderTag.name());
duke@1 125 if (inheritableTaglet != null &&
duke@1 126 !(inheritableTaglet instanceof InheritableTaglet)) {
jjg@1724 127 String message = ped.name() +
jjg@1724 128 ((ped instanceof ExecutableMemberDoc)
jjg@1724 129 ? ((ExecutableMemberDoc)ped).flatSignature()
jjg@1724 130 : "");
duke@1 131 //This tag does not support inheritence.
jjg@1724 132 configuration.message.warning(ped.position(),
jjg@1724 133 "doclet.noInheritedDoc", message);
duke@1 134 }
duke@1 135 DocFinder.Output inheritedDoc =
jjg@1724 136 DocFinder.search(new DocFinder.Input(ped,
duke@1 137 (InheritableTaglet) inheritableTaglet, holderTag,
duke@1 138 isFirstSentence, true));
jjg@1724 139 if (inheritedDoc.isValidInheritDocTag) {
jjg@1724 140 if (inheritedDoc.inlineTags.length > 0) {
jjg@1724 141 replacement = writer.commentTagsToOutput(inheritedDoc.holderTag,
jjg@1724 142 inheritedDoc.holder, inheritedDoc.inlineTags, isFirstSentence);
jjg@1724 143 }
jjg@1724 144 } else {
jjg@1724 145 String message = ped.name() +
jjg@1724 146 ((ped instanceof ExecutableMemberDoc)
jjg@1724 147 ? ((ExecutableMemberDoc)ped).flatSignature()
jjg@1724 148 : "");
jjg@1724 149 configuration.message.warning(ped.position(),
jjg@1724 150 "doclet.noInheritedDoc", message);
duke@1 151 }
duke@1 152 return replacement;
duke@1 153 }
duke@1 154
duke@1 155 /**
duke@1 156 * Given the <code>Tag</code> representation of this custom
duke@1 157 * tag, return its string representation, which is output
duke@1 158 * to the generated page.
duke@1 159 * @param tag the <code>Tag</code> representation of this custom tag.
duke@1 160 * @param tagletWriter the taglet writer for output.
jjg@1751 161 * @return the Content representation of this <code>Tag</code>.
duke@1 162 */
jjg@1751 163 public Content getTagletOutput(Tag tag, TagletWriter tagletWriter) {
jjg@1724 164 if (! (tag.holder() instanceof ProgramElementDoc)) {
duke@1 165 return tagletWriter.getOutputInstance();
duke@1 166 }
duke@1 167 return tag.name().equals("@inheritDoc") ?
jjg@1724 168 retrieveInheritedDocumentation(tagletWriter, (ProgramElementDoc) tag.holder(), null, tagletWriter.isFirstSentence) :
jjg@1724 169 retrieveInheritedDocumentation(tagletWriter, (ProgramElementDoc) tag.holder(), tag, tagletWriter.isFirstSentence);
duke@1 170 }
duke@1 171 }

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