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annotate java/src/java/lang/wrappers.d @ 23:aaa0a4e20edf

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Added missing files to repository
author Frank Benoit <benoit@tionex.de>
date Fri, 20 Mar 2009 13:17:52 +0100
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1 module java.lang.wrappers;
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2
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3 import java.lang.String;
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4
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5 abstract class ArrayWrapper{
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6 }
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7 abstract class ValueWrapper{
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8 }
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9
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10 class ArrayWrapperT(T) : ArrayWrapper {
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11 public T[] array;
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12 public this( T[] data ){
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13 array = data;
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14 }
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15 public override equals_t opEquals( Object o ){
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16 if( auto other = cast(ArrayWrapperT!(T))o){
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17 return array == other.array;
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18 }
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19 return false;
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20 }
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21 public override hash_t toHash(){
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22 return (typeid(T[])).getHash(&array);
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23 }
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24 static if( is( T == char )){
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25 public override String toString(){
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26 return cast(String)array;
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27 }
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28 }
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29 }
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30
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31 class ValueWrapperT(T) : ValueWrapper {
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32 public T value;
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33 public this( T data ){
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34 value = data;
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35 }
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36 static if( is(T==class) || is(T==interface)){
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37 public equals_t opEquals( Object other ){
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38 if( auto o = cast(ValueWrapperT!(T))other ){
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39 return value == o.value;
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40 }
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41 if( auto o = cast(T)other ){
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42 if( value is o ){
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43 return true;
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44 }
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45 if( value is null || o is null ){
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46 return false;
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47 }
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48 return value == o;
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49 }
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50 return false;
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51 }
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52 }
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53 else{
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54 public equals_t opEquals( Object other ){
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55 if( auto o = cast(ValueWrapperT!(T))other ){
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56 return value == o.value;
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57 }
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58 return false;
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59 }
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60 public equals_t opEquals( T other ){
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61 return value == other;
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62 }
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63 }
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64 public override hash_t toHash(){
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65 return (typeid(T)).getHash(&value);
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66 }
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67 }
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68
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69 alias ArrayWrapperT!(byte) ArrayWrapperByte;
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70 alias ArrayWrapperT!(int) ArrayWrapperInt;
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71 alias ArrayWrapperT!(Object) ArrayWrapperObject;
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72 alias ArrayWrapperT!(char) ArrayWrapperString;
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73 alias ArrayWrapperT!(String) ArrayWrapperString2;
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74
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75 Object[] StringArrayToObjectArray( String[] strs ){
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76 Object[] res = new Object[strs.length];
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77 foreach( idx, str; strs ){
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78 res[idx] = new ArrayWrapperString(cast(char[])str);
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79 }
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80 return res;
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81 }
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82
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83 String stringcast( Object o ){
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84 if( auto str = cast(ArrayWrapperString) o ){
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85 return cast(String)str.array;
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86 }
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87 return null;
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88 }
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89 String[] stringcast( Object[] objs ){
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90 String[] res = new String[](objs.length);
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91 foreach( idx, obj; objs ){
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92 res[idx] = stringcast(obj);
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93 }
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94 return res;
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95 }
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96 ArrayWrapperString stringcast( String str ){
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97 return new ArrayWrapperString( cast(char[])str );
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98 }
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99 ArrayWrapperString[] stringcast( String[] strs ){
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100 ArrayWrapperString[] res = new ArrayWrapperString[ strs.length ];
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101 foreach( idx, str; strs ){
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102 res[idx] = stringcast(str);
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103 }
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104 return res;
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105 }
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106
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107 String[] stringArrayFromObject( Object obj ){
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108 if( auto wrapper = cast(ArrayWrapperString2)obj ){
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109 return wrapper.array;
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110 }
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111 if( auto wrapper = cast(ArrayWrapperObject)obj ){
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112 String[] res = new String[ wrapper.array.length ];
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113 foreach( idx, o; wrapper.array ){
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114 if( auto swrapper = cast(ArrayWrapperString) o ){
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115 res[idx] = cast(String)swrapper.array;
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116 }
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117 }
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118 return res;
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119 }
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120 assert( obj is null ); // if not null, it was the wrong type
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121 return null;
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122 }
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123
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124 T[] arrayFromObject(T)( Object obj ){
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125 if( auto wrapper = cast(ArrayWrapperObject)obj ){
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126 T[] res = new T[ wrapper.array.length ];
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127 foreach( idx, o; wrapper.array ){
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128 res[idx] = cast(T)o;
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129 }
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130 return res;
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131 }
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132 assert( obj is null ); // if not null, it was the wrong type
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133 return null;
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134 }
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135