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| package net.sf.crispy.util; |
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| import java.lang.reflect.Method; |
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| import java.security.AccessController; |
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| import java.util.ArrayList; |
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| import java.util.HashMap; |
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| import java.util.List; |
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| import java.util.Map; |
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| import java.util.Vector; |
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| public final class Invoker { |
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20 |
0
| private Invoker() { super(); }
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22 |
| private static Map compatibleTypes = new HashMap(); |
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32 |
4
| public static Object invokeWithConverter (Object pvObject, String pvMethodName, Vector pvParams, Converter pvConverter) throws Exception {
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33 |
4
| return invoke (pvObject, pvMethodName, pvParams, true, pvConverter);
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34 |
| } |
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35 |
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36 |
4
| public static Object invoke (String pvClassName, String pvMethodName, Vector pvParams, boolean pvWithConverter, Converter pvConverter) throws Exception {
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37 |
4
| Class lvClass = Class.forName(pvClassName);
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38 |
4
| Object lvObject = lvClass.newInstance();
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39 |
4
| return invoke (lvObject, pvMethodName, pvParams, pvWithConverter, pvConverter);
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40 |
| } |
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41 |
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42 |
66
| public static Object invoke (Object pvObject, String pvMethodName, Vector pvParams, boolean pvWithConverter, Converter pvConverter) throws Exception {
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43 |
66
| Class clazz = pvObject.getClass();
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44 |
66
| Method lvMethod = findMethod(clazz, pvMethodName, pvParams);
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45 |
65
| Converter lvConverter = (pvWithConverter == true ? pvConverter : null);
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46 |
65
| Object[] lvArgs = vector2Array(pvParams, lvMethod, lvConverter);
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47 |
65
| AccessController.doPrivileged(new MethodAccessiblePrivilegedAction(lvMethod));
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48 |
65
| Object lvMethodResult = null;
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49 |
65
| try {
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50 |
65
| lvMethodResult = lvMethod.invoke(pvObject, lvArgs);
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51 |
| } catch (IllegalArgumentException e) { |
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52 |
1
| throw new IllegalArgumentException("Illegal argument by method: " + lvMethod + " and args: " + pvParams + " with object: " + pvObject);
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| } |
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54 |
62
| if (pvWithConverter == true) {
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55 |
6
| lvMethodResult = lvConverter.makeSimple (lvMethodResult);
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56 |
| } |
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57 |
62
| return lvMethodResult;
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58 |
| } |
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59 |
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60 |
213
| public static Object[] vector2Array(Vector pvVector, Method pvMethod, Converter pvConverter) throws Exception {
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61 |
213
| Object[] lvArgs = new Object[pvVector.size()];
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62 |
213
| int lvMethodParamsLength = pvMethod.getParameterTypes().length;
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63 |
213
| int lvVectorSize = pvVector.size();
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64 |
213
| for (int j = 0; j < lvArgs.length; j++) {
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65 |
285
| if (pvConverter != null) {
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66 |
208
| if (lvMethodParamsLength == lvVectorSize) {
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67 |
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68 |
182
| Class lvParamType = pvMethod.getParameterTypes()[j];
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69 |
182
| if (lvParamType.isArray()) {
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70 |
9
| Class lvType = lvParamType.getComponentType();
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71 |
9
| lvArgs[j] = pvConverter.makeComplex (pvVector.get(j), lvParamType, lvType);
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72 |
| } else { |
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73 |
173
| lvArgs[j] = pvConverter.makeComplex (pvVector.get(j), lvParamType);
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| } |
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75 |
| } |
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76 |
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77 |
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78 |
| else { |
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79 |
26
| lvArgs[j] = pvConverter.makeComplex (pvVector.get(j));
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80 |
| } |
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81 |
| } |
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83 |
| else { |
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84 |
77
| lvArgs[j] = pvVector.get(j);
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85 |
| } |
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86 |
| } |
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87 |
213
| return lvArgs;
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88 |
| } |
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89 |
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90 |
263
| public static boolean isCompatibleType (Class pvType1, Class pvType2) {
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91 |
263
| if (compatibleTypes.size() == 0) {
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92 |
11
| compatibleTypes.put(byte.class, Byte.class);
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93 |
11
| compatibleTypes.put(short.class, Short.class);
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94 |
11
| compatibleTypes.put(int.class, Integer.class);
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95 |
11
| compatibleTypes.put(long.class, Long.class);
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96 |
11
| compatibleTypes.put(float.class, Float.class);
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97 |
11
| compatibleTypes.put(double.class, Double.class);
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98 |
11
| compatibleTypes.put(char.class, Character.class);
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99 |
11
| compatibleTypes.put(boolean.class, Boolean.class);
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100 |
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101 |
11
| compatibleTypes.put(Long.class, long.class);
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102 |
| } |
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103 |
263
| Class lvType = (Class) compatibleTypes.get(pvType1);
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104 |
263
| boolean lvReturn = false;
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105 |
263
| if (lvType != null) {
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106 |
225
| lvReturn = (compatibleTypes.get(pvType1).equals(pvType2));
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107 |
| } |
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108 |
263
| return lvReturn;
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109 |
| } |
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110 |
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111 |
485
| public static Method findMethod(Class pvClass, String pvMethodName, List pvParams) throws Exception {
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112 |
485
| List lvParams = pvParams;
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113 |
5
| if (lvParams == null) { lvParams = new ArrayList(0); }
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114 |
485
| Method[] lvMethods = findAllMethods(pvClass, pvMethodName);
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115 |
485
| Method lvMerkMethod = null;
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116 |
485
| for (int i = 0; i < lvMethods.length; i++) {
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117 |
601
| Class lvParamTypes[] = lvMethods[i].getParameterTypes();
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118 |
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119 |
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120 |
601
| if (lvParamTypes.length == lvParams.size()) {
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121 |
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122 |
589
| lvMerkMethod = lvMethods[i];
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123 |
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124 |
589
| boolean lvParamOk = true;
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125 |
589
| for (int j = 0; j < lvParamTypes.length; j++) {
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126 |
666
| if (lvParamTypes[j].isArray()) {
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127 |
52
| Class lvParamArrayType = Converter.getArrayType(lvParams.get(j));
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128 |
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129 |
52
| if (!lvParamTypes[j].getComponentType().equals(lvParamArrayType)) {
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130 |
31
| lvParamOk = false;
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131 |
31
| break;
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132 |
| } |
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133 |
| } else { |
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134 |
614
| Class lvParamClass = (lvParams.get(j) == null ? null : lvParams.get(j).getClass());
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135 |
614
| if ((!lvParamTypes[j].equals(lvParamClass)) && (!isCompatibleType(lvParamTypes[j], lvParamClass))) {
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136 |
161
| lvParamOk = false;
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137 |
161
| break;
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138 |
| } |
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139 |
| } |
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140 |
| } |
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141 |
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142 |
589
| if (lvParamOk) {
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143 |
397
| return lvMethods[i];
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144 |
| } |
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145 |
| } |
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146 |
| } |
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147 |
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148 |
88
| if (lvMerkMethod != null) {
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149 |
74
| return lvMerkMethod;
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150 |
| } |
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151 |
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152 |
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153 |
14
| else if (lvMethods.length > 0) {
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154 |
10
| return lvMethods[0];
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155 |
| } |
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156 |
4
| throw new NoSuchMethodException("For class: " + pvClass
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157 |
| + " with method: " + pvMethodName + " with parameter: " + lvParams); |
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158 |
| } |
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159 |
| |
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160 |
499
| public static Method[] findAllMethods(Class pvClass, String pvMethodName) throws Exception {
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161 |
499
| Method[] lvMethods = pvClass.getMethods();
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162 |
499
| ArrayList lvFindedMethods = new ArrayList();
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163 |
499
| for (int i = 0; i < lvMethods.length; i++) {
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164 |
11157
| if (lvMethods[i].getName().equals(pvMethodName)){
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165 |
657
| lvFindedMethods.add(lvMethods[i]);
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166 |
| } |
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167 |
| } |
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168 |
499
| return (Method[]) lvFindedMethods.toArray(new Method [lvFindedMethods.size()]);
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169 |
| } |
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170 |
| |
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171 |
136
| public static Vector array2Vector (Object [] pvArray) throws Exception {
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172 |
136
| Vector param = new Vector();
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173 |
136
| if (pvArray != null){
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174 |
129
| for (int i = 0; i < pvArray.length; i++) {
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175 |
176
| param.add(pvArray[i]);
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176 |
| } |
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177 |
| } |
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178 |
136
| return param;
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179 |
| } |
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180 |
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181 |
2
| public static Vector array2SimpleVector (Object [] pvArray) throws Exception {
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182 |
2
| Vector param = new Vector();
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183 |
2
| if (pvArray != null){
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184 |
1
| Converter lvConverter = new Converter();
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185 |
1
| for (int i = 0; i < pvArray.length; i++) {
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186 |
2
| param.add(lvConverter.makeSimple(pvArray[i]));
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187 |
| } |
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188 |
| } |
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189 |
2
| return param;
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190 |
| } |
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191 |
| |
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192 |
136
| public static Object[] array2SimpleArray (Object [] pvArray, Converter pvConverter) throws Exception {
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193 |
136
| Object ret[] = null;
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194 |
136
| if (pvArray != null){
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195 |
129
| ret = new Object[pvArray.length];
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196 |
129
| for (int i = 0; i < pvArray.length; i++) {
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197 |
176
| ret[i] = pvConverter.makeSimple(pvArray[i]);
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198 |
| } |
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199 |
| } |
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200 |
136
| return ret;
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201 |
| } |
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202 |
| |
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203 |
| } |