src/share/classes/com/sun/tools/doclets/internal/toolkit/util/MetaKeywords.java

Mon, 21 Jan 2013 00:45:35 -0500

author
bpatel
date
Mon, 21 Jan 2013 00:45:35 -0500
changeset 1568
5f0731e4e5e6
parent 1359
25e14ad23cef
child 2525
2eb010b6cb22
permissions
-rw-r--r--

8006124: javadoc/doclet should be updated to support profiles
Reviewed-by: jjg

duke@1 1 /*
bpatel@1568 2 * Copyright (c) 2002, 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.util;
duke@1 27
jjg@1357 28 import java.util.*;
jjg@1357 29
jjg@1357 30 import com.sun.javadoc.*;
bpatel@1568 31 import com.sun.tools.javac.jvm.Profile;
duke@1 32 import com.sun.tools.doclets.internal.toolkit.*;
duke@1 33
duke@1 34 /**
duke@1 35 * Provides methods for creating an array of class, method and
duke@1 36 * field names to be included as meta keywords in the HTML header
duke@1 37 * of class pages. These keywords improve search results
duke@1 38 * on browsers that look for keywords.
duke@1 39 *
jjg@1359 40 * <p><b>This is NOT part of any supported API.
jjg@1359 41 * If you write code that depends on this, you do so at your own risk.
jjg@1359 42 * This code and its internal interfaces are subject to change or
jjg@1359 43 * deletion without notice.</b>
duke@1 44 *
duke@1 45 * @author Doug Kramer
duke@1 46 */
duke@1 47 public class MetaKeywords {
duke@1 48
duke@1 49 /**
duke@1 50 * The global configuration information for this run.
duke@1 51 */
duke@1 52 private final Configuration configuration;
duke@1 53
duke@1 54 /**
duke@1 55 * Constructor
duke@1 56 */
jjg@140 57 public MetaKeywords(Configuration configuration) {
duke@1 58 this.configuration = configuration;
duke@1 59 }
duke@1 60
duke@1 61 /**
duke@1 62 * Returns an array of strings where each element
duke@1 63 * is a class, method or field name. This array is
duke@1 64 * used to create one meta keyword tag for each element.
duke@1 65 * Method parameter lists are converted to "()" and
duke@1 66 * overloads are combined.
duke@1 67 *
duke@1 68 * Constructors are not included because they have the same
duke@1 69 * name as the class, which is already included.
duke@1 70 * Nested class members are not included because their
duke@1 71 * definitions are on separate pages.
duke@1 72 */
duke@1 73 public String[] getMetaKeywords(ClassDoc classdoc) {
jjg@74 74 ArrayList<String> results = new ArrayList<String>();
duke@1 75
duke@1 76 // Add field and method keywords only if -keywords option is used
duke@1 77 if( configuration.keywords ) {
duke@1 78 results.addAll(getClassKeyword(classdoc));
duke@1 79 results.addAll(getMemberKeywords(classdoc.fields()));
duke@1 80 results.addAll(getMemberKeywords(classdoc.methods()));
duke@1 81 }
jjg@74 82 return results.toArray(new String[]{});
duke@1 83 }
duke@1 84
duke@1 85 /**
duke@1 86 * Get the current class for a meta tag keyword, as the first
duke@1 87 * and only element of an array list.
duke@1 88 */
jjg@74 89 protected ArrayList<String> getClassKeyword(ClassDoc classdoc) {
duke@1 90 String cltypelower = classdoc.isInterface() ? "interface" : "class";
jjg@74 91 ArrayList<String> metakeywords = new ArrayList<String>(1);
duke@1 92 metakeywords.add(classdoc.qualifiedName() + " " + cltypelower);
duke@1 93 return metakeywords;
duke@1 94 }
duke@1 95
duke@1 96 /**
duke@1 97 * Get the package keywords.
duke@1 98 */
duke@1 99 public String[] getMetaKeywords(PackageDoc packageDoc) {
duke@1 100 if( configuration.keywords ) {
duke@1 101 String pkgName = Util.getPackageName(packageDoc);
duke@1 102 return new String[] { pkgName + " " + "package" };
duke@1 103 } else {
duke@1 104 return new String[] {};
duke@1 105 }
duke@1 106 }
duke@1 107
duke@1 108 /**
bpatel@1568 109 * Get the profile keywords.
bpatel@1568 110 *
bpatel@1568 111 * @param profile the profile being documented
bpatel@1568 112 */
bpatel@1568 113 public String[] getMetaKeywords(Profile profile) {
bpatel@1568 114 if( configuration.keywords ) {
bpatel@1568 115 String profileName = profile.name;
bpatel@1568 116 return new String[] { profileName + " " + "profile" };
bpatel@1568 117 } else {
bpatel@1568 118 return new String[] {};
bpatel@1568 119 }
bpatel@1568 120 }
bpatel@1568 121
bpatel@1568 122 /**
duke@1 123 * Get the overview keywords.
duke@1 124 */
duke@1 125 public String[] getOverviewMetaKeywords(String title, String docTitle) {
duke@1 126 if( configuration.keywords ) {
duke@1 127 String windowOverview = configuration.getText(title);
duke@1 128 String[] metakeywords = { windowOverview };
duke@1 129 if (docTitle.length() > 0 ) {
duke@1 130 metakeywords[0] += ", " + docTitle;
duke@1 131 }
duke@1 132 return metakeywords;
duke@1 133 } else {
duke@1 134 return new String[] {};
duke@1 135 }
duke@1 136 }
duke@1 137
duke@1 138 /**
duke@1 139 * Get members for meta tag keywords as an array,
duke@1 140 * where each member name is a string element of the array.
duke@1 141 * The parameter lists are not included in the keywords;
duke@1 142 * therefore all overloaded methods are combined.<br>
duke@1 143 * Example: getValue(Object) is returned in array as getValue()
duke@1 144 *
duke@1 145 * @param memberdocs array of MemberDoc objects to be added to keywords
duke@1 146 */
jjg@74 147 protected ArrayList<String> getMemberKeywords(MemberDoc[] memberdocs) {
jjg@74 148 ArrayList<String> results = new ArrayList<String>();
duke@1 149 String membername;
duke@1 150 for (int i=0; i < memberdocs.length; i++) {
duke@1 151 membername = memberdocs[i].name()
duke@1 152 + (memberdocs[i].isMethod() ? "()" : "");
duke@1 153 if ( ! results.contains(membername) ) {
duke@1 154 results.add(membername);
duke@1 155 }
duke@1 156 }
duke@1 157 return results;
duke@1 158 }
duke@1 159 }

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