/*
* 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 com.sun.tools.hat.internal.util.ArraySorter;
import com.sun.tools.hat.internal.util.Comparer;
import java.util.Enumeration;
/**
*
* @author Bill Foote
*/
class ClassQuery extends QueryHandler {
public ClassQuery() {
}
public void run() {
startHtml("Class " + query);
JavaClass clazz = snapshot.findClass(query);
if (clazz == null) {
error("class not found: " + query);
} else {
printFullClass(clazz);
}
endHtml();
}
protected void printFullClass(JavaClass clazz) {
out.print("<h1>");
print(clazz.toString());
out.println("</h1>");
out.println("<h2>Superclass:</h2>");
printClass(clazz.getSuperclass());
out.println("<h2>Loader Details</h2>");
out.println("<h3>ClassLoader:</h3>");
printThing(clazz.getLoader());
out.println("<h3>Signers:</h3>");
printThing(clazz.getSigners());
out.println("<h3>Protection Domain:</h3>");
printThing(clazz.getProtectionDomain());
out.println("<h2>Subclasses:</h2>");
JavaClass[] sc = clazz.getSubclasses();
for (int i = 0; i < sc.length; i++) {
out.print(" ");
printClass(sc[i]);
out.println("<br>");
}
out.println("<h2>Instance Data Members:</h2>");
JavaField[] ff = clazz.getFields().clone();
ArraySorter.sort(ff, new Comparer() {
public int compare(Object lhs, Object rhs) {
JavaField left = (JavaField) lhs;
JavaField right = (JavaField) rhs;
return left.getName().compareTo(right.getName());
}
});
for (int i = 0; i < ff.length; i++) {
out.print(" ");
printField(ff[i]);
out.println("<br>");
}
out.println("<h2>Static Data Members:</h2>");
JavaStatic[] ss = clazz.getStatics();
for (int i = 0; i < ss.length; i++) {
printStatic(ss[i]);
out.println("<br>");
}
out.println("<h2>Instances</h2>");
printAnchorStart();
out.print("instances/" + encodeForURL(clazz));
out.print("\">");
out.println("Exclude subclasses</a><br>");
printAnchorStart();
out.print("allInstances/" + encodeForURL(clazz));
out.print("\">");
out.println("Include subclasses</a><br>");
if (snapshot.getHasNewSet()) {
out.println("<h2>New Instances</h2>");
printAnchorStart();
out.print("newInstances/" + encodeForURL(clazz));
out.print("\">");
out.println("Exclude subclasses</a><br>");
printAnchorStart();
out.print("allNewInstances/" + encodeForURL(clazz));
out.print("\">");
out.println("Include subclasses</a><br>");
}
out.println("<h2>References summary by Type</h2>");
printAnchorStart();
out.print("refsByType/" + encodeForURL(clazz));
out.print("\">");
out.println("References summary by type</a>");
printReferencesTo(clazz);
}
protected void printReferencesTo(JavaHeapObject obj) {
if (obj.getId() == -1) {
return;
}
out.println("<h2>References to this object:</h2>");
out.flush();
Enumeration referers = obj.getReferers();
while (referers.hasMoreElements()) {
JavaHeapObject ref = (JavaHeapObject) referers.nextElement();
printThing(ref);
print (" : " + ref.describeReferenceTo(obj, snapshot));
// If there are more than one references, this only gets the
// first one.
out.println("<br>");
}
out.println("<h2>Other Queries</h2>");
out.println("Reference Chains from Rootset");
long id = obj.getId();
out.print("<ul><li>");
printAnchorStart();
out.print("roots/");
printHex(id);
out.print("\">");
out.println("Exclude weak refs</a>");
out.print("<li>");
printAnchorStart();
out.print("allRoots/");
printHex(id);
out.print("\">");
out.println("Include weak refs</a></ul>");
printAnchorStart();
out.print("reachableFrom/");
printHex(id);
out.print("\">");
out.println("Objects reachable from here</a><br>");
}
}