J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | |
| 27 | /* The contents of this file are subject to the Sun Public License |
| 28 | * Version 1.0 (the "License"); you may not use this file except in |
| 29 | * compliance with the License. A copy of the License is available at |
| 30 | * http://www.sun.com/, and in the file LICENSE.html in the |
| 31 | * doc directory. |
| 32 | * |
| 33 | * The Original Code is HAT. The Initial Developer of the |
| 34 | * Original Code is Bill Foote, with contributions from others |
| 35 | * at JavaSoft/Sun. Portions created by Bill Foote and others |
| 36 | * at Javasoft/Sun are Copyright (C) 1997-2004. All Rights Reserved. |
| 37 | * |
| 38 | * In addition to the formal license, I ask that you don't |
| 39 | * change the history or donations files without permission. |
| 40 | */ |
| 41 | |
| 42 | package com.sun.tools.hat.internal.server; |
| 43 | |
| 44 | import com.sun.tools.hat.internal.model.*; |
| 45 | import java.util.Enumeration; |
| 46 | |
| 47 | /** |
| 48 | * |
| 49 | * @author Bill Foote |
| 50 | */ |
| 51 | |
| 52 | |
| 53 | class InstancesQuery extends QueryHandler { |
| 54 | |
| 55 | private boolean includeSubclasses; |
| 56 | private boolean newObjects; |
| 57 | |
| 58 | public InstancesQuery(boolean includeSubclasses) { |
| 59 | this.includeSubclasses = includeSubclasses; |
| 60 | } |
| 61 | |
| 62 | public InstancesQuery(boolean includeSubclasses, boolean newObjects) { |
| 63 | this.includeSubclasses = includeSubclasses; |
| 64 | this.newObjects = newObjects; |
| 65 | } |
| 66 | |
| 67 | public void run() { |
| 68 | JavaClass clazz = snapshot.findClass(query); |
| 69 | String instancesOf; |
| 70 | if (newObjects) |
| 71 | instancesOf = "New instances of "; |
| 72 | else |
| 73 | instancesOf = "Instances of "; |
| 74 | if (includeSubclasses) { |
| 75 | startHtml(instancesOf + query + " (including subclasses)"); |
| 76 | } else { |
| 77 | startHtml(instancesOf + query); |
| 78 | } |
| 79 | if (clazz == null) { |
| 80 | error("Class not found"); |
| 81 | } else { |
| 82 | out.print("<strong>"); |
| 83 | printClass(clazz); |
| 84 | out.print("</strong><br><br>"); |
| 85 | Enumeration objects = clazz.getInstances(includeSubclasses); |
| 86 | long totalSize = 0; |
| 87 | long instances = 0; |
| 88 | while (objects.hasMoreElements()) { |
| 89 | JavaHeapObject obj = (JavaHeapObject) objects.nextElement(); |
| 90 | if (newObjects && !obj.isNew()) |
| 91 | continue; |
| 92 | printThing(obj); |
| 93 | out.println("<br>"); |
| 94 | totalSize += obj.getSize(); |
| 95 | instances++; |
| 96 | } |
| 97 | out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>"); |
| 98 | } |
| 99 | endHtml(); |
| 100 | } |
| 101 | } |