Mercurial > hg > blitz_condensed
annotate src/com/go/trove/util/MergedClass.java @ 0:3dc0c5604566
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author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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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.util; |
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54 |
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55 import java.lang.reflect.*; |
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56 import java.util.*; |
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57 import java.io.OutputStream; |
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58 import java.io.IOException; |
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59 import com.go.trove.classfile.*; |
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60 |
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61 /****************************************************************************** |
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62 * Merges several classes together, producing a new class that has all of the |
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63 * methods of the combined classes. All methods in the combined class delegate |
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64 * to instances of the source classes. If multiple classes implement the same |
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65 * method, the first one provided is used. The merged class implements all of |
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66 * the interfaces provided by the source classes or interfaces. |
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67 * |
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68 * <p>This class performs a function almost the same as the Proxy class |
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69 * introduced in JDK1.3. It differs in that it supports classes as well as |
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70 * interfaces as input, and it binds to wrapped objects without using |
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71 * runtime reflection. It is less flexible than Proxy in that there isn't way |
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72 * to customize the method delegation, and so it isn't suitable for creating |
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73 * dynamically generated interface implementations. |
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74 * |
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75 * @author Brian S O'Neill |
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76 * @version |
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77 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 01/02/20 <!-- $--> |
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78 */ |
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79 public class MergedClass { |
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80 // Maps ClassInjectors to Maps that map to merged class names. |
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81 // Map<ClassInjector, Map<MultiKey, String>> |
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82 // The MultiKey is composed of class names and method prefixes. By storing |
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83 // class names into the maps instead of classes, the classes may be |
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84 // reclaimed by the garbage collector. |
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85 private static Map cMergedMap; |
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86 |
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87 static { |
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88 try { |
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89 cMergedMap = new IdentityMap(7); |
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90 } |
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91 catch (LinkageError e) { |
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92 cMergedMap = new HashMap(7); |
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93 } |
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94 catch (Exception e) { |
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95 // Microsoft VM sometimes throws an undeclared |
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96 // ClassNotFoundException instead of doing the right thing and |
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97 // throwing some form of a LinkageError if the class couldn't |
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98 // be found. |
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99 cMergedMap = new HashMap(7); |
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100 } |
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101 } |
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102 |
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103 /** |
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104 * Returns the constructor for a class that merges all of the given source |
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105 * classes. The constructor's parameter types match the source classes. |
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106 * An IllegalArgumentException is thrown if any of the given conditions |
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107 * are not satisfied: |
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108 * |
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109 * <ul> |
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110 * <li>None of the given classes can represent a primitive type |
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111 * <li>A source class can only be provided once |
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112 * <li>Any non-public classes must be in the same common package |
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113 * <li>Duplicate methods cannot have conflicting return types |
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114 * <li>The given classes must be loadable from the given injector |
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115 * <li>At most 254 classes may be merged |
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116 * </ul> |
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117 * |
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118 * Note: Because a constructor is limited to 254 parameters, if more than |
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119 * 254 classes are to be merged together, call {@link #getConstructor2}. |
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120 * |
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121 * @param injector ClassInjector that will receive class definition |
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122 * @param classes Source classes used to derive merged class |
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123 */ |
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124 public static Constructor getConstructor(ClassInjector injector, |
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125 Class[] classes) |
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126 throws IllegalArgumentException |
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127 { |
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128 return getConstructor(injector, classes, null); |
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129 } |
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130 |
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131 /** |
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132 * Returns the constructor for a class that merges all of the given source |
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133 * classes. The constructor's parameter types match the source classes. |
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134 * An IllegalArgumentException is thrown if any of the given conditions |
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135 * are not satisfied: |
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136 * |
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137 * <ul> |
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138 * <li>None of the given classes can represent a primitive type |
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139 * <li>A source class can only be provided once, unless paired with a |
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140 * unique prefix. |
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141 * <li>Any non-public classes must be in the same common package |
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142 * <li>Duplicate methods cannot have conflicting return types, unless a |
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143 * prefix is provided. |
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144 * <li>The given classes must be loadable from the given injector |
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145 * <li>At most 254 classes may be merged |
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146 * </ul> |
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147 * |
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148 * To help resolve ambiguities, a method prefix can be specified for each |
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149 * passed in class. For each prefixed method, the non-prefixed method is |
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150 * also generated, unless that method conflicts with the return type of |
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151 * another method. If any passed in classes are or have interfaces, then |
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152 * those interfaces will be implemented only if there are no conflicts. |
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153 * |
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154 * <p>The array of prefixes may be null, have null elements or |
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155 * be shorter than the array of classes. A prefix of "" is treated as null. |
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156 * <p> |
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157 * Note: Because a constructor is limited to 254 parameters, if more than |
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158 * 254 classes are to be merged together, call {@link #getConstructor2}. |
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159 * |
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160 * @param injector ClassInjector that will receive class definition |
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161 * @param classes Source classes used to derive merged class |
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162 * @param prefixes Optional prefixes to apply to methods of each generated |
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163 * class to eliminate duplicate method names |
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164 */ |
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165 public static Constructor getConstructor(ClassInjector injector, |
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166 Class[] classes, |
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167 String[] prefixes) |
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168 throws IllegalArgumentException |
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169 { |
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170 if (classes.length > 254) { |
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171 throw new IllegalArgumentException |
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172 ("More than 254 merged classes: " + classes.length); |
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173 } |
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174 |
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175 Class clazz = getMergedClass(injector, classes, prefixes); |
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176 |
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177 try { |
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178 return clazz.getConstructor(classes); |
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179 } |
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180 catch (NoSuchMethodException e) { |
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181 throw new InternalError(e.toString()); |
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182 } |
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183 } |
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184 |
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185 /** |
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186 * Returns the constructor for a class that merges all of the given source |
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187 * classes. The constructor accepts one parameter type: an |
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188 * {@link InstanceFactory}. Merged instances are requested only when |
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189 * first needed. An IllegalArgumentException is thrown if any of the given |
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190 * conditions are not satisfied: |
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191 * |
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192 * <ul> |
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193 * <li>None of the given classes can represent a primitive type |
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194 * <li>A source class can only be provided once |
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195 * <li>Any non-public classes must be in the same common package |
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196 * <li>Duplicate methods cannot have conflicting return types |
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197 * <li>The given classes must be loadable from the given injector |
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198 * </ul> |
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199 * |
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200 * @param injector ClassInjector that will receive class definition |
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201 * @param classes Source classes used to derive merged class |
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202 */ |
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203 public static Constructor getConstructor2(ClassInjector injector, |
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204 Class[] classes) |
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205 throws IllegalArgumentException |
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206 { |
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207 return getConstructor2(injector, classes, null); |
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208 } |
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209 |
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210 /** |
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211 * Returns the constructor for a class that merges all of the given source |
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212 * classes. The constructor accepts one parameter type: an |
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213 * {@link InstanceFactory}. Merged instances are requested only when |
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214 * first needed. An IllegalArgumentException is thrown if any of the given |
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215 * conditions are not satisfied: |
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216 * |
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217 * <ul> |
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218 * <li>None of the given classes can represent a primitive type |
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219 * <li>A source class can only be provided once, unless paired with a |
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220 * unique prefix. |
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221 * <li>Any non-public classes must be in the same common package |
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222 * <li>Duplicate methods cannot have conflicting return types, unless a |
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223 * prefix is provided. |
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224 * <li>The given classes must be loadable from the given injector |
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225 * </ul> |
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226 * |
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227 * To help resolve ambiguities, a method prefix can be specified for each |
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228 * passed in class. For each prefixed method, the non-prefixed method is |
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229 * also generated, unless that method conflicts with the return type of |
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230 * another method. If any passed in classes are or have interfaces, then |
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231 * those interfaces will be implemented only if there are no conflicts. |
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232 * |
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233 * <p>The array of prefixes may be null, have null elements or |
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234 * be shorter than the array of classes. A prefix of "" is treated as null. |
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235 * |
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236 * @param injector ClassInjector that will receive class definition |
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237 * @param classes Source classes used to derive merged class |
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238 * @param prefixes Optional prefixes to apply to methods of each generated |
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239 * class to eliminate duplicate method names |
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240 */ |
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241 public static Constructor getConstructor2(ClassInjector injector, |
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242 Class[] classes, |
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243 String[] prefixes) |
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244 throws IllegalArgumentException |
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245 { |
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246 Class clazz = getMergedClass(injector, classes, prefixes); |
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247 |
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248 try { |
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249 return clazz.getConstructor(new Class[]{InstanceFactory.class}); |
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250 } |
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251 catch (NoSuchMethodException e) { |
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252 throw new InternalError(e.toString()); |
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253 } |
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254 } |
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255 |
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256 private static Class getMergedClass(ClassInjector injector, |
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257 Class[] classes, |
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258 String[] prefixes) |
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259 throws IllegalArgumentException |
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260 { |
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261 ClassEntry[] classEntries = new ClassEntry[classes.length]; |
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262 for (int i=0; i<classes.length; i++) { |
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263 // Load the classes from the ClassInjector, just like they will be |
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264 // when the generated class is resolved. |
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265 try { |
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266 classes[i] = injector.loadClass(classes[i].getName()); |
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267 } |
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268 catch (ClassNotFoundException e) { |
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269 throw new IllegalArgumentException |
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270 ("Unable to load class from injector: " + classes[i]); |
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271 } |
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272 |
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273 if (prefixes == null || i >= prefixes.length) { |
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274 classEntries[i] = new ClassEntry(classes[i]); |
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275 } |
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276 else { |
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277 String prefix = prefixes[i]; |
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278 if (prefix != null && prefix.length() == 0) { |
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279 prefix = null; |
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280 } |
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281 classEntries[i] = new ClassEntry(classes[i], prefix); |
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282 } |
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283 } |
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284 |
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285 return getMergedClass(injector, classEntries); |
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286 } |
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287 |
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288 /** |
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289 * Creates a class with a public constructor whose parameter types match |
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290 * the given source classes. Another constructor is also created that |
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291 * accepts an InstanceFactory. |
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292 */ |
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293 private static synchronized Class getMergedClass(ClassInjector injector, |
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294 ClassEntry[] classEntries) |
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295 throws IllegalArgumentException |
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296 { |
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297 Map classListMap = (Map)cMergedMap.get(injector); |
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298 if (classListMap == null) { |
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299 classListMap = new HashMap(7); |
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300 cMergedMap.put(injector, classListMap); |
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301 } |
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302 |
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303 Object key = generateKey(classEntries); |
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304 String mergedName = (String)classListMap.get(key); |
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305 if (mergedName != null) { |
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306 try { |
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307 return injector.loadClass(mergedName); |
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308 } |
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309 catch (ClassNotFoundException e) { |
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310 } |
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311 } |
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312 |
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313 ClassFile cf; |
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314 try { |
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315 cf = createClassFile(injector, classEntries); |
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316 } |
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317 catch (IllegalArgumentException e) { |
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318 e.fillInStackTrace(); |
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319 throw e; |
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320 } |
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321 |
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322 /* |
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323 try { |
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324 java.io.FileOutputStream out = |
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325 new java.io.FileOutputStream(cf.getClassName() + ".class"); |
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326 cf.writeTo(out); |
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327 out.close(); |
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328 } |
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329 catch (Exception e) { |
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330 e.printStackTrace(); |
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331 } |
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332 */ |
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333 |
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334 try { |
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335 OutputStream stream = injector.getStream(cf.getClassName()); |
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336 cf.writeTo(stream); |
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337 stream.close(); |
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338 } |
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339 catch (IOException e) { |
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340 throw new InternalError(e.toString()); |
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341 } |
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342 |
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343 Class merged; |
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344 try { |
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345 merged = injector.loadClass(cf.getClassName()); |
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346 } |
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347 catch (ClassNotFoundException e) { |
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348 throw new InternalError(e.toString()); |
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349 } |
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350 |
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351 classListMap.put(key, merged.getName()); |
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352 return merged; |
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353 } |
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354 |
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355 private static Object generateKey(ClassEntry[] classEntries) { |
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356 int length = classEntries.length; |
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357 Object[] mainElements = new Object[length]; |
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358 for (int i=0; i<length; i++) { |
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359 ClassEntry classEntry = classEntries[i]; |
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360 mainElements[i] = new MultiKey(new Object[] { |
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361 classEntry.getClazz().getName(), |
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362 classEntry.getMethodPrefix() |
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363 }); |
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364 } |
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365 return new MultiKey(mainElements); |
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366 } |
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367 |
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368 private static ClassFile createClassFile(ClassInjector injector, |
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369 ClassEntry[] classEntries) |
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370 throws IllegalArgumentException |
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371 { |
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372 Set classSet = new HashSet(classEntries.length * 2 + 1); |
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373 Set nonConflictingClasses = new HashSet(classEntries.length * 2 + 1); |
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374 String commonPackage = null; |
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375 Map methodMap = new HashMap(); |
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376 |
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377 for (int i=0; i<classEntries.length; i++) { |
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378 ClassEntry classEntry = classEntries[i]; |
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379 Class clazz = classEntry.getClazz(); |
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380 |
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381 if (clazz.isPrimitive()) { |
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382 throw new IllegalArgumentException |
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383 ("Merged classes cannot be primitive: " + clazz); |
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384 } |
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385 |
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386 if (!classSet.add(classEntry)) { |
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387 throw new IllegalArgumentException |
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388 ("Class is specified more than once: " + clazz); |
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389 } |
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390 |
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391 if (!Modifier.isPublic(clazz.getModifiers())) { |
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392 String classPackage = clazz.getName(); |
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393 int index = classPackage.lastIndexOf('.'); |
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394 if (index < 0) { |
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395 classPackage = ""; |
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396 } |
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397 else { |
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398 classPackage = classPackage.substring(0, index); |
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399 } |
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400 |
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401 if (commonPackage == null) { |
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402 commonPackage = classPackage; |
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403 } |
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404 else if (!commonPackage.equals(classPackage)) { |
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405 throw new IllegalArgumentException |
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406 ("Not all non-public classes defined in same " + |
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407 "package: " + commonPackage); |
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408 } |
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|
409 } |
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|
410 |
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411 // Innocent until proven guilty. |
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412 nonConflictingClasses.add(classEntry); |
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413 |
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414 Method[] methods = clazz.getMethods(); |
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415 String prefix = classEntry.getMethodPrefix(); |
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|
416 |
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417 for (int j=0; j<methods.length; j++) { |
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418 Method method = methods[j]; |
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419 String name = method.getName(); |
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420 // Workaround for JDK1.2 bug #4187388. |
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421 if ("<clinit>".equals(name)) { |
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|
422 continue; |
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parents:
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|
423 } |
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parents:
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|
424 |
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parents:
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425 MethodEntry methodEntry = new MethodEntry(method, name); |
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426 MethodEntry existing = (MethodEntry)methodMap.get(methodEntry); |
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parents:
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|
427 |
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parents:
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428 if (existing == null) { |
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429 methodMap.put(methodEntry, methodEntry); |
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parents:
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|
430 } |
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parents:
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431 else if (existing.returnTypeDiffers(methodEntry)) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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432 nonConflictingClasses.remove(classEntry); |
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parents:
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433 if (prefix == null) { |
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parents:
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changeset
|
434 throw new IllegalArgumentException |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
435 ("Conflicting return types: " + |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
436 existing + ", " + methodEntry); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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|
437 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
438 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
439 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
|
440 if (prefix != null) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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changeset
|
441 name = prefix + name; |
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parents:
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|
442 |
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parents:
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changeset
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443 methodEntry = new MethodEntry(method, name); |
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444 existing = (MethodEntry)methodMap.get(methodEntry); |
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parents:
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changeset
|
445 |
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parents:
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changeset
|
446 if (existing == null) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
447 methodMap.put(methodEntry, methodEntry); |
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parents:
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|
448 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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|
449 else if (existing.returnTypeDiffers(methodEntry)) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
450 nonConflictingClasses.remove(classEntry); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
451 throw new IllegalArgumentException |
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parents:
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changeset
|
452 ("Conflicting return types: " + |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
|
453 existing + ", " + methodEntry); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
454 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
455 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
456 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
457 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
458 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
459 int id = 0; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
460 Iterator it = classSet.iterator(); |
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parents:
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changeset
|
461 while (it.hasNext()) { |
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changeset
|
462 id = id * 31 + it.next().hashCode(); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
463 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
464 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
|
465 String className = "MergedClass$"; |
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parents:
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changeset
|
466 try { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
467 while (true) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
468 className = "MergedClass$" + (id & 0xffffffffL); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
469 if (commonPackage != null && commonPackage.length() > 0) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
|
470 className = commonPackage + '.' + className; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
471 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
|
472 try { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
|
473 injector.loadClass(className); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
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changeset
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474 } |
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475 catch (LinkageError e) { |
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476 } |
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477 id++; |
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478 } |
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479 } |
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480 catch (ClassNotFoundException e) { |
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481 } |
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482 |
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483 ClassFile cf = new ClassFile(className); |
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484 cf.getAccessFlags().setFinal(true); |
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485 cf.markSynthetic(); |
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486 |
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487 for (int i=0; i<classEntries.length; i++) { |
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488 ClassEntry classEntry = classEntries[i]; |
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489 if (nonConflictingClasses.contains(classEntry)) { |
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490 addAllInterfaces(cf, classEntry.getClazz()); |
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491 } |
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492 } |
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493 |
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494 AccessFlags privateAccess = new AccessFlags(); |
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495 privateAccess.setPrivate(true); |
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496 AccessFlags privateFinalAccess = new AccessFlags(); |
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497 privateFinalAccess.setPrivate(true); |
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498 privateFinalAccess.setFinal(true); |
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499 AccessFlags publicAccess = new AccessFlags(); |
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500 publicAccess.setPublic(true); |
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501 |
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502 // Add field to store optional InstanceFactory. |
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503 TypeDescriptor instanceFactoryType = |
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504 new TypeDescriptor(InstanceFactory.class); |
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505 cf.addField(privateAccess, |
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506 "instanceFactory", instanceFactoryType).markSynthetic(); |
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507 |
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508 Method instanceFactoryMethod; |
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509 try { |
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510 instanceFactoryMethod = |
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511 InstanceFactory.class.getMethod |
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512 ("getInstance", new Class[]{int.class}); |
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513 } |
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514 catch (NoSuchMethodException e) { |
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515 throw new InternalError(e.toString()); |
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516 } |
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517 |
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518 // Define fields which point to wrapped objects, and define methods |
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519 // to access the fields. |
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520 String[] fieldNames = new String[classEntries.length]; |
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521 TypeDescriptor[] types = new TypeDescriptor[classEntries.length]; |
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522 for (int i=0; i<classEntries.length; i++) { |
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523 Class clazz = classEntries[i].getClazz(); |
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524 String fieldName = "m$" + i; |
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525 TypeDescriptor type = new TypeDescriptor(clazz); |
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526 cf.addField(privateAccess, fieldName, type).markSynthetic(); |
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527 fieldNames[i] = fieldName; |
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528 types[i] = type; |
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529 |
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530 // Create method that returns field, calling the InstanceFactory |
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531 // if necessary to initialize for the first time. |
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532 MethodInfo mi = cf.addMethod |
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533 (privateFinalAccess, fieldName, type, null); |
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534 mi.markSynthetic(); |
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535 CodeBuilder builder = new CodeBuilder(mi); |
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536 builder.loadThis(); |
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537 builder.loadField(fieldName, type); |
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538 builder.dup(); |
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539 Label isNull = builder.createLabel(); |
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540 builder.ifNullBranch(isNull, true); |
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541 // Return the initialized field. |
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542 builder.returnValue(Object.class); |
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543 isNull.setLocation(); |
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544 // Discard null field value. |
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545 builder.pop(); |
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546 builder.loadThis(); |
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547 builder.loadField("instanceFactory", instanceFactoryType); |
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548 builder.dup(); |
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549 Label haveInstanceFactory = builder.createLabel(); |
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550 builder.ifNullBranch(haveInstanceFactory, false); |
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551 // No instanceFactory: return null. |
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552 builder.loadConstant(null); |
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553 builder.returnValue(Object.class); |
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554 haveInstanceFactory.setLocation(); |
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555 builder.loadConstant(i); |
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556 builder.invoke(instanceFactoryMethod); |
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557 builder.checkCast(type); |
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558 builder.dup(); |
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559 builder.loadThis(); |
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|
560 builder.swap(); |
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561 builder.storeField(fieldName, type); |
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562 builder.returnValue(Object.class); |
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563 } |
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564 |
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565 // Define a constructor that initializes fields from an Object array. |
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566 if (classEntries.length <= 254) { |
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|
567 MethodInfo mi = cf.addConstructor(publicAccess, types); |
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568 |
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569 CodeBuilder builder = new CodeBuilder(mi); |
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570 builder.loadThis(); |
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571 builder.invokeSuperConstructor(null); |
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572 LocalVariable[] params = builder.getParameters(); |
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|
573 |
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574 for (int i=0; i<classEntries.length; i++) { |
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|
575 builder.loadThis(); |
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576 builder.loadLocal(params[i]); |
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577 builder.storeField(fieldNames[i], types[i]); |
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578 } |
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|
579 |
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580 builder.returnVoid(); |
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581 builder = null; |
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582 } |
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|
583 |
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|
584 // Define a constructor that saves an InstanceFactory. |
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585 MethodInfo mi = cf.addConstructor |
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586 (publicAccess, new TypeDescriptor[]{instanceFactoryType}); |
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|
587 |
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|
588 CodeBuilder builder = new CodeBuilder(mi); |
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589 builder.loadThis(); |
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|
590 builder.invokeSuperConstructor(null); |
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591 builder.loadThis(); |
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592 builder.loadLocal(builder.getParameters()[0]); |
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593 builder.storeField("instanceFactory", instanceFactoryType); |
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594 |
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595 builder.returnVoid(); |
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596 builder = null; |
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597 |
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598 Set methodSet = methodMap.keySet(); |
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599 |
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600 // Define all the wrapper methods. |
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601 for (int i=0; i<classEntries.length; i++) { |
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602 ClassEntry classEntry = classEntries[i]; |
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603 String prefix = classEntry.getMethodPrefix(); |
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604 String fieldName = fieldNames[i]; |
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605 TypeDescriptor type = types[i]; |
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606 |
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607 Method[] methods = classEntry.getClazz().getMethods(); |
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608 for (int j=0; j<methods.length; j++) { |
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609 Method method = methods[j]; |
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610 // Workaround for JDK1.2 bug #4187388. |
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611 if ("<clinit>".equals(method.getName())) { |
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612 continue; |
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613 } |
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614 |
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615 MethodEntry methodEntry = new MethodEntry(method); |
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616 if (methodSet.contains(methodEntry)) { |
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617 methodSet.remove(methodEntry); |
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618 addWrapperMethod(cf, methodEntry, fieldName, type); |
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619 } |
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620 |
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621 if (prefix != null) { |
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622 methodEntry = new MethodEntry |
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623 (method, prefix + method.getName()); |
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624 if (methodSet.contains(methodEntry)) { |
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625 methodSet.remove(methodEntry); |
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626 addWrapperMethod(cf, methodEntry, fieldName, type); |
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627 } |
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628 } |
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629 } |
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630 } |
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631 |
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632 return cf; |
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633 } |
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634 |
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635 private static void addAllInterfaces(ClassFile cf, Class clazz) { |
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636 if (clazz == null) { |
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637 return; |
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638 } |
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639 |
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640 if (clazz.isInterface()) { |
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641 cf.addInterface(clazz); |
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642 } |
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643 |
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644 addAllInterfaces(cf, clazz.getSuperclass()); |
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645 |
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646 Class[] interfaces = clazz.getInterfaces(); |
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647 for (int i=0; i<interfaces.length; i++) { |
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648 addAllInterfaces(cf, interfaces[i]); |
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649 } |
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650 } |
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651 |
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652 private static void addWrapperMethod(ClassFile cf, |
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653 MethodEntry methodEntry, |
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654 String fieldName, |
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655 TypeDescriptor type) { |
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656 Method method = methodEntry.getMethod(); |
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657 |
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658 // Don't override any methods in Object, especially final ones. |
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659 if (isDefinedInObject(method)) { |
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660 return; |
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661 } |
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662 |
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663 AccessFlags flags = new AccessFlags(method.getModifiers()); |
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664 flags.setAbstract(false); |
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665 flags.setFinal(true); |
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666 flags.setSynchronized(false); |
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667 flags.setNative(false); |
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668 flags.setStatic(false); |
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669 |
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670 AccessFlags staticFlags = (AccessFlags)flags.clone(); |
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671 staticFlags.setStatic(true); |
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672 |
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673 TypeDescriptor ret = new TypeDescriptor(method.getReturnType()); |
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674 |
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675 Class[] paramClasses = method.getParameterTypes(); |
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676 TypeDescriptor[] params = new TypeDescriptor[paramClasses.length]; |
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677 for (int i=0; i<params.length; i++) { |
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678 params[i] = new TypeDescriptor(paramClasses[i]); |
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679 } |
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680 |
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681 MethodInfo mi; |
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682 if (Modifier.isStatic(method.getModifiers())) { |
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683 mi = cf.addMethod |
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684 (staticFlags, methodEntry.getName(), ret, params); |
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685 } |
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686 else { |
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687 mi = cf.addMethod(flags, methodEntry.getName(), ret, params); |
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688 } |
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689 |
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690 // Exception stuff... |
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691 Class[] exceptions = method.getExceptionTypes(); |
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692 for (int i=0; i<exceptions.length; i++) { |
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693 mi.addException(exceptions[i].getName()); |
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694 } |
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695 |
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696 // Delegate to wrapped object. |
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697 CodeBuilder builder = new CodeBuilder(mi); |
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698 |
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699 if (!Modifier.isStatic(method.getModifiers())) { |
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700 builder.loadThis(); |
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701 builder.loadField(fieldName, type); |
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702 Label isNonNull = builder.createLabel(); |
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703 builder.dup(); |
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704 builder.ifNullBranch(isNonNull, false); |
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705 // Discard null field value. |
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706 builder.pop(); |
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707 // Call the field access method, which in turn calls the |
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708 // InstanceFactory. |
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709 builder.loadThis(); |
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710 builder.invokePrivate(fieldName, type, null); |
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711 isNonNull.setLocation(); |
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712 } |
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713 LocalVariable[] locals = builder.getParameters(); |
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714 for (int i=0; i<locals.length; i++) { |
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Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
715 builder.loadLocal(locals[i]); |
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Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
716 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
717 builder.invoke(method); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
718 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
719 if (method.getReturnType() == void.class) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
|
720 builder.returnVoid(); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
721 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
722 else { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
723 builder.returnValue(method.getReturnType()); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
724 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
725 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
726 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
727 private static boolean isDefinedInObject(Method method) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
728 if (method.getDeclaringClass() == Object.class) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
729 return true; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
730 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
731 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
732 Class[] types = method.getParameterTypes(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
733 String name = method.getName(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
734 |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
735 if (types.length == 0) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
736 return |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
737 "hashCode".equals(name) || |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
738 "clone".equals(name) || |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
739 "toString".equals(name) || |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
740 "finalize".equals(name); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
741 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
742 else { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
743 return |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
744 types.length == 1 && |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
745 types[0] == Object.class && |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
746 "equals".equals(name); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
747 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
748 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
749 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
750 private MergedClass() { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
751 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
752 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
753 /** |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
754 * InstanceFactory allows merged class instances to be requested only |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
755 * when first needed. |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
756 */ |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
757 public interface InstanceFactory { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
758 /** |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
759 * Return a merged class instance by index. This index corresponds to |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
760 * the class index used when defining the MergedClass. |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
761 */ |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
762 public Object getInstance(int index); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
763 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
764 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
765 private static class ClassEntry { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
766 private final Class mClazz; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
767 private final String mPrefix; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
768 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
769 public ClassEntry(Class clazz) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
770 this(clazz, null); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
771 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
772 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
773 public ClassEntry(Class clazz, String prefix) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
774 mClazz = clazz; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
775 mPrefix = prefix; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
776 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
777 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
778 public Class getClazz() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
779 return mClazz; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
780 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
781 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
782 public String getMethodPrefix() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
783 return mPrefix; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
784 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
785 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
786 public int hashCode() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
787 int hash = mClazz.getName().hashCode(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
788 return (mPrefix == null) ? hash : hash ^ mPrefix.hashCode(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
789 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
790 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
791 public boolean equals(Object other) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
792 if (other instanceof ClassEntry) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
793 ClassEntry classEntry = (ClassEntry)other; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
794 if (mClazz == classEntry.mClazz) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
795 if (mPrefix == null) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
796 return classEntry.mPrefix == null; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
797 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
798 else { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
799 return mPrefix.equals(classEntry.mPrefix); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
800 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
801 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
802 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
803 return false; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
804 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
805 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
806 public String toString() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
807 return mClazz.toString(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
808 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
809 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
810 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
811 private static class MethodEntry { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
812 private final Method mMethod; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
813 private final String mName; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
814 private List mParams; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
815 private int mHashCode; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
816 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
817 public MethodEntry(Method method) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
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parents:
diff
changeset
|
818 this(method, method.getName()); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
819 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
820 |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
821 public MethodEntry(Method method, String name) { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
822 mMethod = method; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
823 mName = name; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
824 mParams = Arrays.asList(method.getParameterTypes()); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
825 mHashCode = mName.hashCode() ^ mParams.hashCode(); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
826 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
827 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
828 public Method getMethod() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
829 return mMethod; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
830 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
831 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
832 public String getName() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
833 return mName; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
834 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
835 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
836 public boolean returnTypeDiffers(MethodEntry methodEntry) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
diff
changeset
|
837 return getMethod().getReturnType() != |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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838 methodEntry.getMethod().getReturnType(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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839 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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840 |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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841 public int hashCode() { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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842 return mHashCode; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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843 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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844 |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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845 public boolean equals(Object other) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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846 if (!(other instanceof MethodEntry)) { |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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847 return false; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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848 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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849 MethodEntry methodEntry = (MethodEntry)other; |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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850 return mName.equals(methodEntry.mName) && |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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851 mParams.equals(methodEntry.mParams); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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852 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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853 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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854 public String toString() { |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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855 return mMethod.toString(); |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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856 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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changeset
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857 } |
3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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858 } |