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annotate src/com/go/trove/classfile/ConstantUTFInfo.java @ 35:6f68e94c1fb8 default tip

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Add CondensedStats monitoring utility, equivalent to vmstat
author Dominic Cleal <dominic-cleal@cdo2.com>
date Thu, 05 Aug 2010 11:07:25 +0100
parents 3dc0c5604566
children
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1 /* ====================================================================
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2 * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group
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3 * ====================================================================
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4 * The Tea Software License, Version 1.1
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5 *
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6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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10 * are met:
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11 *
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12 * 1. Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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14 *
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15 * 2. Redistributions in binary form must reproduce the above copyright
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16 * notice, this list of conditions and the following disclaimer in
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17 * the documentation and/or other materials provided with the
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18 * distribution.
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19 *
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20 * 3. The end-user documentation included with the redistribution,
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21 * if any, must include the following acknowledgment:
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22 * "This product includes software developed by the
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23 * Walt Disney Internet Group (http://opensource.go.com/)."
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24 * Alternately, this acknowledgment may appear in the software itself,
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25 * if and wherever such third-party acknowledgments normally appear.
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26 *
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27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
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28 * not be used to endorse or promote products derived from this
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29 * software without prior written permission. For written
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30 * permission, please contact opensource@dig.com.
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31 *
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32 * 5. Products derived from this software may not be called "Tea",
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33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
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34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
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35 * written permission of the Walt Disney Internet Group.
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36 *
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37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
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41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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48 * ====================================================================
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49 *
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50 * For more information about Tea, please see http://opensource.go.com/.
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51 */
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52
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53 package com.go.trove.classfile;
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54
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55 import java.io.*;
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56
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57 /******************************************************************************
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58 * This class corresponds to the CONSTANT_Utf8_info structure as defined in
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59 * section 4.4.7 of <i>The Java Virtual Machine Specification</i>.
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60 *
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61 * @author Brian S O'Neill
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62 * @version
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63 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 9/07/00 <!-- $-->
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64 */
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65 public class ConstantUTFInfo extends ConstantInfo {
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66 private String mStr;
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67
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68 /**
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69 * Will return either a new ConstantUTFInfo object or one already in
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70 * the constant pool. If it is a new ConstantUTFInfo, it will be inserted
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71 * into the pool.
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72 */
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73 static ConstantUTFInfo make(ConstantPool cp, String str) {
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74 ConstantInfo ci = new ConstantUTFInfo(str);
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75 return (ConstantUTFInfo)cp.addConstant(ci);
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76 }
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77
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78 ConstantUTFInfo(String str) {
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79 super(TAG_UTF8);
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80 mStr = str;
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81 }
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82
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83 public String getValue() {
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84 return mStr;
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85 }
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86
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87 public int hashCode() {
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88 return mStr.hashCode();
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89 }
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90
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91 public boolean equals(Object obj) {
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92 if (obj instanceof ConstantUTFInfo) {
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93 ConstantUTFInfo other = (ConstantUTFInfo)obj;
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94 return mStr.equals(other.mStr);
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95 }
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96
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97 return false;
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98 }
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99
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100 public void writeTo(DataOutput dout) throws IOException {
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101 super.writeTo(dout);
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102 dout.writeUTF(mStr);
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103 }
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104
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105 public String toString() {
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106 return "CONSTANT_Utf8_info: " + getValue();
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107 }
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108 }