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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2008, 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 | + */ | |
| 25 | + | |
| 26 | + | |
| 27 | +/* | |
| 28 | + * The Original Code is HAT. The Initial Developer of the | |
| 29 | + * Original Code is Bill Foote, with contributions from others | |
| 30 | + * at JavaSoft/Sun. | |
| 31 | + */ | |
| 32 | + | |
| 33 | +package com.sun.tools.hat.internal.server; | |
| 34 | + | |
| 35 | +import com.sun.tools.hat.internal.model.*; | |
| 36 | +import com.sun.tools.hat.internal.util.ArraySorter; | |
| 37 | +import com.sun.tools.hat.internal.util.Comparer; | |
| 38 | + | |
| 39 | +import java.util.Enumeration; | |
| 40 | + | |
| 41 | +/** | |
| 42 | + * | |
| 43 | + * @author Bill Foote | |
| 44 | + */ | |
| 45 | + | |
| 46 | + | |
| 47 | +class ClassQuery extends QueryHandler { | |
| 48 | + | |
| 49 | + | |
| 50 | + public ClassQuery() { | |
| 51 | + } | |
| 52 | + | |
| 53 | + public void run() { | |
| 54 | + startHtml("Class " + query); | |
| 55 | + JavaClass clazz = snapshot.findClass(query); | |
| 56 | + if (clazz == null) { | |
| 57 | + error("class not found: " + query); | |
| 58 | + } else { | |
| 59 | + printFullClass(clazz); | |
| 60 | + } | |
| 61 | + endHtml(); | |
| 62 | + } | |
| 63 | + | |
| 64 | + protected void printFullClass(JavaClass clazz) { | |
| 65 | + out.print("<h1>"); | |
| 66 | + print(clazz.toString()); | |
| 67 | + out.println("</h1>"); | |
| 68 | + | |
| 69 | + out.println("<h2>Superclass:</h2>"); | |
| 70 | + printClass(clazz.getSuperclass()); | |
| 71 | + | |
| 72 | + out.println("<h2>Loader Details</h2>"); | |
| 73 | + out.println("<h3>ClassLoader:</h3>"); | |
| 74 | + printThing(clazz.getLoader()); | |
| 75 | + | |
| 76 | + out.println("<h3>Signers:</h3>"); | |
| 77 | + printThing(clazz.getSigners()); | |
| 78 | + | |
| 79 | + out.println("<h3>Protection Domain:</h3>"); | |
| 80 | + printThing(clazz.getProtectionDomain()); | |
| 81 | + | |
| 82 | + out.println("<h2>Subclasses:</h2>"); | |
| 83 | + JavaClass[] sc = clazz.getSubclasses(); | |
| 84 | + for (int i = 0; i < sc.length; i++) { | |
| 85 | + out.print(" "); | |
| 86 | + printClass(sc[i]); | |
| 87 | + out.println("<br>"); | |
| 88 | + } | |
| 89 | + | |
| 90 | + out.println("<h2>Instance Data Members:</h2>"); | |
| 91 | + JavaField[] ff = clazz.getFields().clone(); | |
| 92 | + ArraySorter.sort(ff, new Comparer() { | |
| 93 | + public int compare(Object lhs, Object rhs) { | |
| 94 | + JavaField left = (JavaField) lhs; | |
| 95 | + JavaField right = (JavaField) rhs; | |
| 96 | + return left.getName().compareTo(right.getName()); | |
| 97 | + } | |
| 98 | + }); | |
| 99 | + for (int i = 0; i < ff.length; i++) { | |
| 100 | + out.print(" "); | |
| 101 | + printField(ff[i]); | |
| 102 | + out.println("<br>"); | |
| 103 | + } | |
| 104 | + | |
| 105 | + out.println("<h2>Static Data Members:</h2>"); | |
| 106 | + JavaStatic[] ss = clazz.getStatics(); | |
| 107 | + for (int i = 0; i < ss.length; i++) { | |
| 108 | + printStatic(ss[i]); | |
| 109 | + out.println("<br>"); | |
| 110 | + } | |
| 111 | + | |
| 112 | + out.println("<h2>Instances</h2>"); | |
| 113 | + | |
| 114 | + printAnchorStart(); | |
| 115 | + out.print("instances/" + encodeForURL(clazz)); | |
| 116 | + out.print("\">"); | |
| 117 | + out.println("Exclude subclasses</a><br>"); | |
| 118 | + | |
| 119 | + printAnchorStart(); | |
| 120 | + out.print("allInstances/" + encodeForURL(clazz)); | |
| 121 | + out.print("\">"); | |
| 122 | + out.println("Include subclasses</a><br>"); | |
| 123 | + | |
| 124 | + | |
| 125 | + if (snapshot.getHasNewSet()) { | |
| 126 | + out.println("<h2>New Instances</h2>"); | |
| 127 | + | |
| 128 | + printAnchorStart(); | |
| 129 | + out.print("newInstances/" + encodeForURL(clazz)); | |
| 130 | + out.print("\">"); | |
| 131 | + out.println("Exclude subclasses</a><br>"); | |
| 132 | + | |
| 133 | + printAnchorStart(); | |
| 134 | + out.print("allNewInstances/" + encodeForURL(clazz)); | |
| 135 | + out.print("\">"); | |
| 136 | + out.println("Include subclasses</a><br>"); | |
| 137 | + } | |
| 138 | + | |
| 139 | + out.println("<h2>References summary by Type</h2>"); | |
| 140 | + printAnchorStart(); | |
| 141 | + out.print("refsByType/" + encodeForURL(clazz)); | |
| 142 | + out.print("\">"); | |
| 143 | + out.println("References summary by type</a>"); | |
| 144 | + | |
| 145 | + printReferencesTo(clazz); | |
| 146 | + } | |
| 147 | + | |
| 148 | + protected void printReferencesTo(JavaHeapObject obj) { | |
| 149 | + if (obj.getId() == -1) { | |
| 150 | + return; | |
| 151 | + } | |
| 152 | + out.println("<h2>References to this object:</h2>"); | |
| 153 | + out.flush(); | |
| 154 | + Enumeration referers = obj.getReferers(); | |
| 155 | + while (referers.hasMoreElements()) { | |
| 156 | + JavaHeapObject ref = (JavaHeapObject) referers.nextElement(); | |
| 157 | + printThing(ref); | |
| 158 | + print (" : " + ref.describeReferenceTo(obj, snapshot)); | |
| 159 | + // If there are more than one references, this only gets the | |
| 160 | + // first one. | |
| 161 | + out.println("<br>"); | |
| 162 | + } | |
| 163 | + | |
| 164 | + out.println("<h2>Other Queries</h2>"); | |
| 165 | + out.println("Reference Chains from Rootset"); | |
| 166 | + long id = obj.getId(); | |
| 167 | + | |
| 168 | + out.print("<ul><li>"); | |
| 169 | + printAnchorStart(); | |
| 170 | + out.print("roots/"); | |
| 171 | + printHex(id); | |
| 172 | + out.print("\">"); | |
| 173 | + out.println("Exclude weak refs</a>"); | |
| 174 | + | |
| 175 | + out.print("<li>"); | |
| 176 | + printAnchorStart(); | |
| 177 | + out.print("allRoots/"); | |
| 178 | + printHex(id); | |
| 179 | + out.print("\">"); | |
| 180 | + out.println("Include weak refs</a></ul>"); | |
| 181 | + | |
| 182 | + printAnchorStart(); | |
| 183 | + out.print("reachableFrom/"); | |
| 184 | + printHex(id); | |
| 185 | + out.print("\">"); | |
| 186 | + out.println("Objects reachable from here</a><br>"); | |
| 187 | + } | |
| 188 | + | |
| 189 | + | |
| 190 | +} | |