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

Sat, 08 Sep 2012 22:43:38 -0700

author
bpatel
date
Sat, 08 Sep 2012 22:43:38 -0700
changeset 1324
fa85af323d97
parent 554
9d9f26857129
child 1359
25e14ad23cef
permissions
-rw-r--r--

7180906: Javadoc tool does not apply parameter -nosince
Reviewed-by: jjg

duke@1 1 /*
ohair@554 2 * Copyright (c) 2001, 2005, 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.*;
duke@1 29 import com.sun.tools.doclets.internal.toolkit.util.*;
duke@1 30
duke@1 31 /**
duke@1 32 * An inline Taglet representing the <b>inheritDoc</b> tag. This tag should only
duke@1 33 * be used with a method. It is used to inherit documentation from overriden
duke@1 34 * and implemented methods.
duke@1 35 *
duke@1 36 * This code is not part of an API.
duke@1 37 * It is implementation that is subject to change.
duke@1 38 * Do not use it as an API
duke@1 39 *
duke@1 40 * @author Jamie Ho
duke@1 41 * @since 1.4
duke@1 42 */
duke@1 43
duke@1 44 public class InheritDocTaglet extends BaseInlineTaglet {
duke@1 45
duke@1 46 /**
duke@1 47 * The inline tag that would appear in the documentation if
duke@1 48 * the writer wanted documentation to be inherited.
duke@1 49 */
duke@1 50 public static final String INHERIT_DOC_INLINE_TAG = "{@inheritDoc}";
duke@1 51
duke@1 52 /**
duke@1 53 * Construct a new InheritDocTaglet.
duke@1 54 */
duke@1 55 public InheritDocTaglet () {
duke@1 56 name = "inheritDoc";
duke@1 57 }
duke@1 58
duke@1 59 /**
duke@1 60 * Will return false because this inline tag may
duke@1 61 * only appear in Methods.
duke@1 62 * @return false since this is not a method.
duke@1 63 */
duke@1 64 public boolean inField() {
duke@1 65 return false;
duke@1 66 }
duke@1 67
duke@1 68 /**
duke@1 69 * Will return false because this inline tag may
duke@1 70 * only appear in Methods.
duke@1 71 * @return false since this is not a method.
duke@1 72 */
duke@1 73 public boolean inConstructor() {
duke@1 74 return false;
duke@1 75 }
duke@1 76
duke@1 77 /**
duke@1 78 * Will return false because this inline tag may
duke@1 79 * only appear in Methods.
duke@1 80 * @return false since this is not a method.
duke@1 81 */
duke@1 82 public boolean inOverview() {
duke@1 83 return false;
duke@1 84 }
duke@1 85
duke@1 86 /**
duke@1 87 * Will return false because this inline tag may
duke@1 88 * only appear in Methods.
duke@1 89 * @return false since this is not a method.
duke@1 90 */
duke@1 91 public boolean inPackage() {
duke@1 92 return false;
duke@1 93 }
duke@1 94
duke@1 95 /**
duke@1 96 * Will return false because this inline tag may
duke@1 97 * only appear in Methods.
duke@1 98 * @return false since this is not a method.
duke@1 99 */
duke@1 100 public boolean inType() {
duke@1 101 return false;
duke@1 102 }
duke@1 103
duke@1 104 /**
duke@1 105 * Given a <code>MethodDoc</code> item, a <code>Tag</code> in the
duke@1 106 * <code>MethodDoc</code> item and a String, replace all occurances
duke@1 107 * of @inheritDoc with documentation from it's superclass or superinterface.
duke@1 108 *
duke@1 109 * @param writer the writer that is writing the output.
duke@1 110 * @param md the {@link MethodDoc} that we are documenting.
duke@1 111 * @param holderTag the tag that holds the inheritDoc tag.
duke@1 112 * @param isFirstSentence true if we only want to inherit the first sentence.
duke@1 113 */
duke@1 114 private TagletOutput retrieveInheritedDocumentation(TagletWriter writer,
duke@1 115 MethodDoc md, Tag holderTag, boolean isFirstSentence) {
duke@1 116 TagletOutput replacement = writer.getTagletOutputInstance();
duke@1 117
duke@1 118 Taglet inheritableTaglet = holderTag == null ?
duke@1 119 null : writer.configuration().tagletManager.getTaglet(holderTag.name());
duke@1 120 if (inheritableTaglet != null &&
duke@1 121 !(inheritableTaglet instanceof InheritableTaglet)) {
duke@1 122 //This tag does not support inheritence.
duke@1 123 writer.configuration().message.warning(md.position(),
duke@1 124 "doclet.noInheritedDoc", md.name() + md.flatSignature());
duke@1 125 }
duke@1 126 DocFinder.Output inheritedDoc =
duke@1 127 DocFinder.search(new DocFinder.Input(md,
duke@1 128 (InheritableTaglet) inheritableTaglet, holderTag,
duke@1 129 isFirstSentence, true));
duke@1 130 if (inheritedDoc.isValidInheritDocTag == false) {
duke@1 131 writer.configuration().message.warning(md.position(),
duke@1 132 "doclet.noInheritedDoc", md.name() + md.flatSignature());
duke@1 133 } else if (inheritedDoc.inlineTags.length > 0) {
duke@1 134 replacement = writer.commentTagsToOutput(inheritedDoc.holderTag,
duke@1 135 inheritedDoc.holder, inheritedDoc.inlineTags, isFirstSentence);
duke@1 136 }
duke@1 137 return replacement;
duke@1 138 }
duke@1 139
duke@1 140 /**
duke@1 141 * Given the <code>Tag</code> representation of this custom
duke@1 142 * tag, return its string representation, which is output
duke@1 143 * to the generated page.
duke@1 144 * @param tag the <code>Tag</code> representation of this custom tag.
duke@1 145 * @param tagletWriter the taglet writer for output.
duke@1 146 * @return the TagletOutput representation of this <code>Tag</code>.
duke@1 147 */
duke@1 148 public TagletOutput getTagletOutput(Tag tag, TagletWriter tagletWriter) {
duke@1 149 if (! (tag.holder() instanceof MethodDoc)) {
duke@1 150 return tagletWriter.getOutputInstance();
duke@1 151 }
duke@1 152 return tag.name().equals("@inheritDoc") ?
duke@1 153 retrieveInheritedDocumentation(tagletWriter, (MethodDoc) tag.holder(), null, tagletWriter.isFirstSentence) :
duke@1 154 retrieveInheritedDocumentation(tagletWriter, (MethodDoc) tag.holder(), tag, tagletWriter.isFirstSentence);
duke@1 155 }
duke@1 156 }

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