gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.dynform / org.gvsig.tools.dynform.impl / src / main / java / org / gvsig / tools / dynform / main / DynClassBuilder.java @ 1118
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1 | 1084 | jjdelcerro | package org.gvsig.tools.dynform.main; |
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2 | |||
3 | import java.lang.annotation.Annotation; |
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4 | import java.lang.reflect.Field; |
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5 | import java.lang.reflect.Method; |
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6 | import java.util.HashMap; |
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7 | import java.util.Iterator; |
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8 | import java.util.Map; |
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9 | import org.apache.commons.lang3.StringUtils; |
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10 | import org.gvsig.tools.ToolsLocator; |
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11 | import org.gvsig.tools.dataTypes.DataType; |
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12 | import org.gvsig.tools.dataTypes.DataTypes; |
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13 | import org.gvsig.tools.dataTypes.DataTypesManager; |
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14 | import org.gvsig.tools.dynobject.DynClass; |
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15 | import org.gvsig.tools.dynobject.DynField; |
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16 | import org.gvsig.tools.dynobject.DynObjectManager; |
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17 | import org.gvsig.tools.dynobject.impl.DefaultDynClass; |
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18 | import org.gvsig.tools.dynobject.impl.DefaultDynField; |
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19 | |||
20 | public class DynClassBuilder { |
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21 | |||
22 | private Class theClass; |
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23 | |||
24 | private DefaultDynClass struct = null; |
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25 | private Map dynClasses = null; |
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26 | |||
27 | public DynClassBuilder() {
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28 | this.dynClasses = new HashMap(); |
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29 | } |
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30 | |||
31 | private DynObjectManager getManager() {
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32 | return ToolsLocator.getDynObjectManager();
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33 | } |
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34 | |||
35 | private DefaultDynField getOrCreateDynField(String name) { |
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36 | DefaultDynField dynfield = (DefaultDynField) this.struct.getDynField(name);
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37 | if ( dynfield == null ) { |
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38 | dynfield = new DefaultDynField(name, DataTypes.UNKNOWN);
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39 | dynfield = (DefaultDynField) this.struct.addDynField(dynfield);
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40 | } |
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41 | return dynfield;
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42 | } |
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43 | |||
44 | private dynobjectmetadata getDynobjectMetadata(Annotation[] annotations) { |
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45 | for ( int i = 0; i < annotations.length; i++ ) { |
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46 | Annotation annotation = annotations[i];
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47 | if ( annotation instanceof dynobjectmetadata ) { |
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48 | return (dynobjectmetadata) annotation;
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49 | } |
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50 | } |
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51 | return null; |
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52 | } |
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53 | |||
54 | private DynField createOrUpdateDynField(String name, Class declaringClass, Annotation[] annotations) { |
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55 | DataType type = null;
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56 | try {
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57 | DataTypesManager dataManager = ToolsLocator.getDataTypesManager(); |
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58 | type = dataManager.getDataType(declaringClass); |
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59 | } catch (IllegalArgumentException ex) { |
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60 | } catch (Exception ex) { |
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61 | |||
62 | } |
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63 | DefaultDynField dynfield = getOrCreateDynField(name); |
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64 | |||
65 | if ( dynfield.getType() == DataTypes.UNKNOWN ) {
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66 | dynfield.setType(type); |
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67 | DynClass declaringDynClass = null;
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68 | if ( type.getType() == DataTypes.OBJECT ) {
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69 | declaringDynClass = getManager().get(declaringClass.getName()); |
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70 | if ( declaringDynClass == null ) { |
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71 | declaringDynClass = (DynClass) this.dynClasses.get(declaringClass.getName());
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72 | } |
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73 | if ( declaringDynClass == null ) { |
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74 | DynClassBuilder builder = new DynClassBuilder();
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75 | declaringDynClass = builder.createDynClass(declaringClass); |
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76 | this.dynClasses.put(declaringDynClass.getName(), declaringDynClass);
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77 | } |
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78 | if ( declaringDynClass != null ) { |
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79 | dynfield.setType(DataTypes.DYNOBJECT); |
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80 | 1118 | jjdelcerro | dynfield.setClassOfValue(declaringDynClass); |
81 | 1084 | jjdelcerro | } |
82 | } |
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83 | } |
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84 | dynobjectmetadata metadata = this.getDynobjectMetadata(annotations);
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85 | if ( metadata != null ) { |
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86 | dynfield.setReadOnly(metadata.readonly()); |
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87 | dynfield.setMandatory(metadata.mandatory()); |
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88 | if ( !StringUtils.isBlank(metadata.label()) ) {
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89 | dynfield.setLabel(metadata.label()); |
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90 | } |
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91 | if ( !StringUtils.isBlank(metadata.description()) ) {
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92 | dynfield.setDescription(metadata.description()); |
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93 | } |
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94 | if ( !StringUtils.isBlank(metadata.subtype()) ) {
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95 | dynfield.setSubtype(metadata.subtype()); |
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96 | } |
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97 | if ( !StringUtils.isBlank(metadata.defaultValue()) ) {
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98 | dynfield.setDefaultDynValue(metadata.defaultValue()); |
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99 | } |
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100 | if ( !StringUtils.isBlank(metadata.group()) ) {
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101 | dynfield.setGroup(metadata.group()); |
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102 | } |
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103 | // if ( !StringUtils.isBlank(metadata.name()) ) {
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104 | // this.struct.renameField(dynfield.getName(),metadata.name());
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105 | // }
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106 | if ( metadata.order() >= 0 ) { |
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107 | dynfield.setOrder(metadata.order()); |
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108 | } |
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109 | } |
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110 | return dynfield;
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111 | } |
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112 | |||
113 | private boolean isGetter(Method method) { |
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114 | String name = method.getName();
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115 | return name.startsWith("get") && Character.isUpperCase(name.charAt(3)); |
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116 | } |
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117 | |||
118 | private String getAttributeName(Method method) { |
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119 | if ( !isGetter(method) ) {
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120 | return null; |
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121 | } |
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122 | String name = method.getName();
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123 | return name.substring(3, 4).toLowerCase() + name.substring(4); |
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124 | } |
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125 | |||
126 | private Method getSetter(Method getter) { |
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127 | Method[] methods = this.theClass.getMethods(); |
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128 | String setterName = "set" + getter.getName().substring(3); |
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129 | for ( int i = 0; i < methods.length; i++ ) { |
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130 | Method method = methods[i];
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131 | if ( method.getName().equals(setterName) ) {
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132 | return method;
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133 | } |
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134 | } |
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135 | return null; |
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136 | } |
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137 | |||
138 | private void createAttributesfOfFields() { |
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139 | |||
140 | Field[] fields = theClass.getFields(); |
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141 | for ( int i = 0; i < fields.length; i++ ) { |
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142 | Field field = fields[i];
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143 | DynField dynfield = createOrUpdateDynField( |
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144 | field.getName(), |
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145 | field.getType(), |
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146 | field.getAnnotations() |
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147 | ); |
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148 | } |
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149 | |||
150 | } |
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151 | |||
152 | private void createAttributesOfMethods() { |
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153 | Method[] methods = theClass.getMethods(); |
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154 | for ( int i = 0; i < methods.length; i++ ) { |
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155 | Method method = methods[i];
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156 | if ( isGetter(method) ) {
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157 | Method setter = getSetter(method);
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158 | if ( setter != null ) { |
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159 | createOrUpdateDynField( |
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160 | getAttributeName(method), |
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161 | method.getReturnType(), |
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162 | method.getAnnotations() |
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163 | ); |
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164 | } else {
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165 | dynobjectmetadata metadata = this.getDynobjectMetadata(method.getAnnotations());
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166 | if ( metadata != null && metadata.readonly() ) { |
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167 | createOrUpdateDynField( |
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168 | getAttributeName(method), |
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169 | method.getReturnType(), |
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170 | method.getAnnotations() |
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171 | ); |
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172 | } |
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173 | } |
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174 | } |
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175 | } |
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176 | |||
177 | } |
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178 | |||
179 | public DynClass createDynClass(Object obj) { |
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180 | return this.createDynClass(obj.getClass()); |
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181 | } |
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182 | |||
183 | public DynClass createDynClass(Class theClass) { |
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184 | this.theClass = theClass;
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185 | this.struct = new DefaultDynClass(theClass.getName()); |
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186 | this.struct.setLabel(theClass.getCanonicalName());
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187 | this.dynClasses.put(this.struct.getName(), this.struct); |
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188 | |||
189 | this.createAttributesfOfFields();
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190 | this.createAttributesOfMethods();
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191 | |||
192 | return this.struct; |
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193 | } |
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194 | |||
195 | public void addAllClasses() { |
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196 | DynClass dynClass = null;
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197 | DynObjectManager manager = this.getManager();
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198 | Iterator it = this.dynClasses.values().iterator(); |
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199 | while( it.hasNext() ) {
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200 | dynClass = (DynClass) it.next(); |
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201 | manager.add(dynClass); |
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202 | } |
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203 | } |
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204 | } |