1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 |
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27 /* |
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28 * The Original Code is HAT. The Initial Developer of the |
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29 * Original Code is Bill Foote, with contributions from others |
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30 * at JavaSoft/Sun. |
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31 */ |
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32 |
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33 package com.sun.tools.hat.internal.server; |
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34 |
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35 import com.sun.tools.hat.internal.model.*; |
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36 import java.util.Enumeration; |
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37 |
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38 /** |
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39 * |
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40 * @author Bill Foote |
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41 */ |
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42 |
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43 |
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44 class InstancesQuery extends QueryHandler { |
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45 |
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46 private boolean includeSubclasses; |
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47 private boolean newObjects; |
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48 |
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49 public InstancesQuery(boolean includeSubclasses) { |
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50 this.includeSubclasses = includeSubclasses; |
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51 } |
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52 |
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53 public InstancesQuery(boolean includeSubclasses, boolean newObjects) { |
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54 this.includeSubclasses = includeSubclasses; |
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55 this.newObjects = newObjects; |
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56 } |
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57 |
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58 public void run() { |
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59 JavaClass clazz = snapshot.findClass(query); |
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60 String instancesOf; |
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61 if (newObjects) |
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62 instancesOf = "New instances of "; |
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63 else |
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64 instancesOf = "Instances of "; |
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65 if (includeSubclasses) { |
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66 startHtml(instancesOf + query + " (including subclasses)"); |
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67 } else { |
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68 startHtml(instancesOf + query); |
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69 } |
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70 if (clazz == null) { |
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71 error("Class not found"); |
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72 } else { |
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73 out.print("<strong>"); |
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74 printClass(clazz); |
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75 out.print("</strong><br><br>"); |
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76 Enumeration<JavaHeapObject> objects = clazz.getInstances(includeSubclasses); |
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77 long totalSize = 0; |
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78 long instances = 0; |
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79 while (objects.hasMoreElements()) { |
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80 JavaHeapObject obj = objects.nextElement(); |
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81 if (newObjects && !obj.isNew()) |
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82 continue; |
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83 printThing(obj); |
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84 out.println("<br>"); |
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85 totalSize += obj.getSize(); |
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86 instances++; |
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87 } |
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88 out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>"); |
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89 } |
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90 endHtml(); |
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91 } |
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92 } |
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