/*
* 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();
}
}