/*
* 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.*;
/**
* Query to show the StackTrace for a given root
*
* @author Bill Foote
*/
class RootStackQuery extends QueryHandler {
public RootStackQuery() {
}
public void run() {
int index = (int) parseHex(query);
Root root = snapshot.getRootAt(index);
if (root == null) {
error("Root at " + index + " not found");
return;
}
StackTrace st = root.getStackTrace();
if (st == null || st.getFrames().length == 0) {
error("No stack trace for " + root.getDescription());
return;
}
startHtml("Stack Trace for " + root.getDescription());
out.println("<p>");
printStackTrace(st);
out.println("</p>");
endHtml();
}
}