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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 java.util.Enumeration; | |
| 37 | + | |
| 38 | +/** | |
| 39 | + * | |
| 40 | + * @author Bill Foote | |
| 41 | + */ | |
| 42 | + | |
| 43 | + | |
| 44 | +class InstancesQuery extends QueryHandler { | |
| 45 | + | |
| 46 | + private boolean includeSubclasses; | |
| 47 | + private boolean newObjects; | |
| 48 | + | |
| 49 | + public InstancesQuery(boolean includeSubclasses) { | |
| 50 | + this.includeSubclasses = includeSubclasses; | |
| 51 | + } | |
| 52 | + | |
| 53 | + public InstancesQuery(boolean includeSubclasses, boolean newObjects) { | |
| 54 | + this.includeSubclasses = includeSubclasses; | |
| 55 | + this.newObjects = newObjects; | |
| 56 | + } | |
| 57 | + | |
| 58 | + public void run() { | |
| 59 | + JavaClass clazz = snapshot.findClass(query); | |
| 60 | + String instancesOf; | |
| 61 | + if (newObjects) | |
| 62 | + instancesOf = "New instances of "; | |
| 63 | + else | |
| 64 | + instancesOf = "Instances of "; | |
| 65 | + if (includeSubclasses) { | |
| 66 | + startHtml(instancesOf + query + " (including subclasses)"); | |
| 67 | + } else { | |
| 68 | + startHtml(instancesOf + query); | |
| 69 | + } | |
| 70 | + if (clazz == null) { | |
| 71 | + error("Class not found"); | |
| 72 | + } else { | |
| 73 | + out.print("<strong>"); | |
| 74 | + printClass(clazz); | |
| 75 | + out.print("</strong><br><br>"); | |
| 76 | + Enumeration objects = clazz.getInstances(includeSubclasses); | |
| 77 | + long totalSize = 0; | |
| 78 | + long instances = 0; | |
| 79 | + while (objects.hasMoreElements()) { | |
| 80 | + JavaHeapObject obj = (JavaHeapObject) objects.nextElement(); | |
| 81 | + if (newObjects && !obj.isNew()) | |
| 82 | + continue; | |
| 83 | + printThing(obj); | |
| 84 | + out.println("<br>"); | |
| 85 | + totalSize += obj.getSize(); | |
| 86 | + instances++; | |
| 87 | + } | |
| 88 | + out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>"); | |
| 89 | + } | |
| 90 | + endHtml(); | |
| 91 | + } | |
| 92 | +} | |