/* * 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 java.util.Enumeration;import com.sun.tools.hat.internal.model.*;import com.sun.tools.hat.internal.util.ArraySorter;import com.sun.tools.hat.internal.util.Comparer;/** * * @author Bill Foote */class ObjectQuery extends ClassQuery { // We inherit printFullClass from ClassQuery public ObjectQuery() { } public void run() { startHtml("Object at " + query); long id = parseHex(query); JavaHeapObject thing = snapshot.findThing(id); // // In the following, I suppose we really should use a visitor // pattern. I'm not that strongly motivated to do this, however: // This is the only typecase there is, and the default for an // unrecognized type is to do something reasonable. // if (thing == null) { error("object not found"); } else if (thing instanceof JavaClass) { printFullClass((JavaClass) thing); } else if (thing instanceof JavaValueArray) { print(((JavaValueArray) thing).valueString(true)); printAllocationSite(thing); printReferencesTo(thing); } else if (thing instanceof JavaObjectArray) { printFullObjectArray((JavaObjectArray) thing); printAllocationSite(thing); printReferencesTo(thing); } else if (thing instanceof JavaObject) { printFullObject((JavaObject) thing); printAllocationSite(thing); printReferencesTo(thing); } else { // We should never get here print(thing.toString()); printReferencesTo(thing); } endHtml(); } private void printFullObject(JavaObject obj) { out.print("<h1>instance of "); print(obj.toString()); out.print(" <small>(" + obj.getSize() + " bytes)</small>"); out.println("</h1>\n"); out.println("<h2>Class:</h2>"); printClass(obj.getClazz()); out.println("<h2>Instance data members:</h2>"); final JavaThing[] things = obj.getFields(); final JavaField[] fields = obj.getClazz().getFieldsForInstance(); Integer[] hack = new Integer[things.length]; for (int i = 0; i < things.length; i++) { hack[i] = new Integer(i); } ArraySorter.sort(hack, new Comparer() { public int compare(Object lhs, Object rhs) { JavaField left = fields[((Integer) lhs).intValue()]; JavaField right = fields[((Integer) rhs).intValue()]; return left.getName().compareTo(right.getName()); } }); for (int i = 0; i < things.length; i++) { int index = hack[i].intValue(); printField(fields[index]); out.print(" : "); printThing(things[index]); out.println("<br>"); } } private void printFullObjectArray(JavaObjectArray arr) { JavaThing[] elements = arr.getElements(); out.println("<h1>Array of " + elements.length + " objects</h1>"); out.println("<h2>Class:</h2>"); printClass(arr.getClazz()); out.println("<h2>Values</h2>"); for (int i = 0; i < elements.length; i++) { out.print("" + i + " : "); printThing(elements[i]); out.println("<br>"); } } // // Print the StackTrace where this was allocated // private void printAllocationSite(JavaHeapObject obj) { StackTrace trace = obj.getAllocatedFrom(); if (trace == null || trace.getFrames().length == 0) { return; } out.println("<h2>Object allocated from:</h2>"); printStackTrace(trace); }}
/*
* 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 java.util.Enumeration;
import com.sun.tools.hat.internal.model.*;
import com.sun.tools.hat.internal.util.ArraySorter;
import com.sun.tools.hat.internal.util.Comparer;
/**
*
* @author Bill Foote
*/
class ObjectQuery extends ClassQuery {
// We inherit printFullClass from ClassQuery
public ObjectQuery() {
}
public void run() {
startHtml("Object at " + query);
long id = parseHex(query);
JavaHeapObject thing = snapshot.findThing(id);
//
// In the following, I suppose we really should use a visitor
// pattern. I'm not that strongly motivated to do this, however:
// This is the only typecase there is, and the default for an
// unrecognized type is to do something reasonable.
//
if (thing == null) {
error("object not found");
} else if (thing instanceof JavaClass) {
printFullClass((JavaClass) thing);
} else if (thing instanceof JavaValueArray) {
print(((JavaValueArray) thing).valueString(true));
printAllocationSite(thing);
printReferencesTo(thing);
} else if (thing instanceof JavaObjectArray) {
printFullObjectArray((JavaObjectArray) thing);
printAllocationSite(thing);
printReferencesTo(thing);
} else if (thing instanceof JavaObject) {
printFullObject((JavaObject) thing);
printAllocationSite(thing);
printReferencesTo(thing);
} else {
// We should never get here
print(thing.toString());
printReferencesTo(thing);
}
endHtml();
}
private void printFullObject(JavaObject obj) {
out.print("<h1>instance of ");
print(obj.toString());
out.print(" <small>(" + obj.getSize() + " bytes)</small>");
out.println("</h1>\n");
out.println("<h2>Class:</h2>");
printClass(obj.getClazz());
out.println("<h2>Instance data members:</h2>");
final JavaThing[] things = obj.getFields();
final JavaField[] fields = obj.getClazz().getFieldsForInstance();
Integer[] hack = new Integer[things.length];
for (int i = 0; i < things.length; i++) {
hack[i] = new Integer(i);
}
ArraySorter.sort(hack, new Comparer() {
public int compare(Object lhs, Object rhs) {
JavaField left = fields[((Integer) lhs).intValue()];
JavaField right = fields[((Integer) rhs).intValue()];
return left.getName().compareTo(right.getName());
}
});
for (int i = 0; i < things.length; i++) {
int index = hack[i].intValue();
printField(fields[index]);
out.print(" : ");
printThing(things[index]);
out.println("<br>");
}
}
private void printFullObjectArray(JavaObjectArray arr) {
JavaThing[] elements = arr.getElements();
out.println("<h1>Array of " + elements.length + " objects</h1>");
out.println("<h2>Class:</h2>");
printClass(arr.getClazz());
out.println("<h2>Values</h2>");
for (int i = 0; i < elements.length; i++) {
out.print("" + i + " : ");
printThing(elements[i]);
out.println("<br>");
}
}
//
// Print the StackTrace where this was allocated
//
private void printAllocationSite(JavaHeapObject obj) {
StackTrace trace = obj.getAllocatedFrom();
if (trace == null || trace.getFrames().length == 0) {
return;
}
out.println("<h2>Object allocated from:</h2>");
printStackTrace(trace);
}
}