/* * 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 InstancesCountQuery extends QueryHandler {      private boolean excludePlatform;     public InstancesCountQuery(boolean excludePlatform) {        this.excludePlatform = excludePlatform;    }     public void run() {        if (excludePlatform) {            startHtml("Instance Counts for All Classes (excluding platform)");        } else {            startHtml("Instance Counts for All Classes (including platform)");        }         JavaClass[] classes = snapshot.getClassesArray();        if (excludePlatform) {            int num = 0;            for (int i = 0; i < classes.length; i++) {                if (! PlatformClasses.isPlatformClass(classes[i])) {                    classes[num++] = classes[i];                }            }            JavaClass[] tmp = new JavaClass[num];            System.arraycopy(classes, 0, tmp, 0, tmp.length);            classes = tmp;        }        ArraySorter.sort(classes, new Comparer() {            public int compare(Object lhso, Object rhso) {                JavaClass lhs = (JavaClass) lhso;                JavaClass rhs = (JavaClass) rhso;                int diff = lhs.getInstancesCount(false)                                - rhs.getInstancesCount(false);                if (diff != 0) {                    return -diff;       // Sort from biggest to smallest                }                String left = lhs.getName();                String right = rhs.getName();                if (left.startsWith("[") != right.startsWith("[")) {                    // Arrays at the end                    if (left.startsWith("[")) {                        return 1;                    } else {                        return -1;                    }                }                return left.compareTo(right);            }        });         String lastPackage = null;        long totalSize = 0;        long instances = 0;        for (int i = 0; i < classes.length; i++) {            JavaClass clazz = classes[i];            int count = clazz.getInstancesCount(false);            print("" + count);            printAnchorStart();            out.print("instances/" + encodeForURL(classes[i]));            out.print("\"> ");            if (count == 1) {                print("instance");            } else {                print("instances");            }            out.print("</a> ");            if (snapshot.getHasNewSet()) {                Enumeration objects = clazz.getInstances(false);                int newInst = 0;                while (objects.hasMoreElements()) {                    JavaHeapObject obj = (JavaHeapObject)objects.nextElement();                    if (obj.isNew()) {                        newInst++;                    }                }                print("(");                printAnchorStart();                out.print("newInstances/" + encodeForURL(classes[i]));                out.print("\">");                print("" + newInst + " new");                out.print("</a>) ");            }            print("of ");            printClass(classes[i]);            out.println("<br>");            instances += count;            totalSize += classes[i].getTotalInstanceSize();        }        out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>");         out.println("<h2>Other Queries</h2>");        out.println("<ul>");         out.print("<li>");        printAnchorStart();        if (!excludePlatform) {            out.print("showInstanceCounts/\">");            print("Show instance counts for all classes (excluding platform)");        } else {            out.print("showInstanceCounts/includePlatform/\">");            print("Show instance counts for all classes (including platform)");        }        out.println("</a>");         out.print("<li>");        printAnchorStart();        out.print("allClassesWithPlatform/\">");        print("Show All Classes (including platform)");        out.println("</a>");         out.print("<li>");        printAnchorStart();        out.print("\">");        print("Show All Classes (excluding platform)");        out.println("</a>");         out.println("</ul>");         endHtml();    }  }