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