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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 | } | ||