/* * 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>");    }  }