| /* |
| * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| /* |
| * The Original Code is HAT. The Initial Developer of the |
| * Original Code is Bill Foote, with contributions from others |
| * at JavaSoft/Sun. |
| */ |
| |
| package com.sun.tools.hat.internal.server; |
| |
| import com.sun.tools.hat.internal.model.*; |
| import java.util.Enumeration; |
| |
| /** |
| * |
| * @author Bill Foote |
| */ |
| |
| |
| class InstancesQuery extends QueryHandler { |
| |
| private boolean includeSubclasses; |
| private boolean newObjects; |
| |
| public InstancesQuery(boolean includeSubclasses) { |
| this.includeSubclasses = includeSubclasses; |
| } |
| |
| public InstancesQuery(boolean includeSubclasses, boolean newObjects) { |
| this.includeSubclasses = includeSubclasses; |
| this.newObjects = newObjects; |
| } |
| |
| public void run() { |
| JavaClass clazz = snapshot.findClass(query); |
| String instancesOf; |
| if (newObjects) |
| instancesOf = "New instances of "; |
| else |
| instancesOf = "Instances of "; |
| if (includeSubclasses) { |
| startHtml(instancesOf + query + " (including subclasses)"); |
| } else { |
| startHtml(instancesOf + query); |
| } |
| if (clazz == null) { |
| error("Class not found"); |
| } else { |
| out.print("<strong>"); |
| printClass(clazz); |
| out.print("</strong><br><br>"); |
| Enumeration objects = clazz.getInstances(includeSubclasses); |
| long totalSize = 0; |
| long instances = 0; |
| while (objects.hasMoreElements()) { |
| JavaHeapObject obj = (JavaHeapObject) objects.nextElement(); |
| if (newObjects && !obj.isNew()) |
| continue; |
| printThing(obj); |
| out.println("<br>"); |
| totalSize += obj.getSize(); |
| instances++; |
| } |
| out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>"); |
| } |
| endHtml(); |
| } |
| } |