svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / DefaultFeature.java @ 40435
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1 | 40435 | jjdelcerro | package org.gvsig.fmap.dal.feature.impl; |
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2 | |||
3 | import java.lang.ref.WeakReference; |
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4 | import java.util.Date; |
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5 | import java.util.Iterator; |
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6 | import java.util.List; |
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7 | |||
8 | import org.cresques.cts.IProjection; |
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9 | |||
10 | import org.gvsig.fmap.dal.DataTypes; |
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11 | import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
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12 | import org.gvsig.fmap.dal.exception.DataException; |
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13 | import org.gvsig.fmap.dal.feature.EditableFeature; |
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14 | import org.gvsig.fmap.dal.feature.Feature; |
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15 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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16 | import org.gvsig.fmap.dal.feature.FeatureReference; |
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17 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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18 | import org.gvsig.fmap.dal.feature.FeatureType; |
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19 | import org.gvsig.fmap.dal.feature.exception.IllegalValueException; |
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20 | import org.gvsig.fmap.dal.feature.exception.SetReadOnlyAttributeException; |
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21 | import org.gvsig.fmap.dal.feature.impl.featureset.DynObjectFeatureFacade; |
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22 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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23 | import org.gvsig.fmap.geom.Geometry; |
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24 | import org.gvsig.fmap.geom.primitive.Envelope; |
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25 | import org.gvsig.timesupport.Instant; |
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26 | import org.gvsig.timesupport.Interval; |
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27 | import org.gvsig.tools.ToolsLocator; |
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28 | import org.gvsig.tools.dataTypes.CoercionException; |
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29 | import org.gvsig.tools.dataTypes.DataTypesManager; |
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30 | import org.gvsig.tools.dynobject.DynObject; |
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31 | import org.gvsig.tools.evaluator.Evaluator; |
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32 | import org.gvsig.tools.evaluator.EvaluatorData; |
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33 | import org.gvsig.tools.evaluator.EvaluatorException; |
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34 | import org.gvsig.tools.exception.BaseException; |
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35 | import org.gvsig.tools.exception.BaseRuntimeException; |
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36 | |||
37 | public class DefaultFeature implements Feature, EvaluatorData { |
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38 | |||
39 | private static DataTypesManager dataTypesManager = null; |
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40 | protected FeatureProvider data;
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41 | protected FeatureReference reference;
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42 | private WeakReference storeRef; |
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43 | |||
44 | private boolean inserted = false; |
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45 | |||
46 | /*
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47 | * Usar con mucha precaucion o mejor no usar. Lo precisa el
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48 | * DefaultFeatureSet en la ordenacion.
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49 | */
|
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50 | public DefaultFeature(FeatureStore store) {
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51 | this.storeRef = new WeakReference(store); |
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52 | this.reference = null; |
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53 | } |
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54 | |||
55 | public DefaultFeature(FeatureStore store, FeatureProvider data) {
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56 | this.data = data;
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57 | this.storeRef = new WeakReference(store); |
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58 | this.reference = null; |
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59 | this.inserted = !data.isNew();
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60 | } |
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61 | |||
62 | DefaultFeature(DefaultFeature feature) { |
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63 | this.data = feature.data.getCopy();
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64 | this.storeRef = feature.storeRef;
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65 | this.reference = feature.reference;
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66 | this.inserted = feature.isInserted();
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67 | } |
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68 | |||
69 | public void setData(FeatureProvider data) { |
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70 | this.data = data;
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71 | this.reference = null; |
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72 | this.inserted = true; |
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73 | } |
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74 | |||
75 | public FeatureProvider getData() {
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76 | return this.data; |
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77 | } |
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78 | |||
79 | protected DataTypesManager getDataTypesManager() {
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80 | if( dataTypesManager==null ) { |
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81 | dataTypesManager = ToolsLocator.getDataTypesManager(); |
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82 | } |
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83 | return dataTypesManager;
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84 | } |
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85 | |||
86 | void set(FeatureAttributeDescriptor attribute, Object value) { |
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87 | int i = attribute.getIndex();
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88 | |||
89 | if (attribute.isReadOnly()) {
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90 | throw new SetReadOnlyAttributeException(); |
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91 | } |
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92 | |||
93 | if (attribute.getEvaluator() != null) { |
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94 | throw new SetReadOnlyAttributeException(); |
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95 | } |
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96 | |||
97 | if (value == null) { |
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98 | if (!attribute.allowNull()) {
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99 | if (!attribute.isAutomatic()) {
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100 | throw new IllegalValueException(attribute, value); |
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101 | } |
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102 | } |
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103 | this.data.set(i, null); |
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104 | return;
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105 | |||
106 | } |
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107 | |||
108 | if (attribute.getFeatureAttributeGetter() != null){ |
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109 | value = attribute.getFeatureAttributeGetter().setter(value); |
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110 | } |
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111 | |||
112 | if (attribute.getObjectClass().isInstance(value)) {
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113 | this.data.set(i, value);
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114 | return;
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115 | } |
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116 | |||
117 | if (!attribute.getObjectClass().isInstance(value)) {
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118 | try {
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119 | value = |
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120 | this.getDataTypesManager().coerce(attribute.getType(),
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121 | value); |
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122 | } catch (CoercionException e) {
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123 | throw new IllegalArgumentException("Can't convert to " |
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124 | + this.getDataTypesManager().getTypeName(
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125 | attribute.getType()) + " from '"
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126 | + value.getClass().getName() + "' with value '"
|
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127 | + value.toString() + "'.");
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128 | } |
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129 | } |
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130 | |||
131 | this.data.set(i, value);
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132 | } |
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133 | |||
134 | private Object get(int index,Class theClass, int type) { |
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135 | Object value = this.get(index); |
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136 | if( theClass.isInstance(value) ) {
|
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137 | return value;
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138 | } |
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139 | |||
140 | |||
141 | try {
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142 | return this.getDataTypesManager().coerce(type, value); |
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143 | } catch (CoercionException e) {
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144 | |||
145 | if (value == null) { |
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146 | return null; |
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147 | } |
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148 | throw new IllegalArgumentException( |
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149 | "Can't convert to "+theClass.getName()+
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150 | " from '"+value.getClass().getName()+
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151 | "' with value '"+value.toString()+"'."); |
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152 | } |
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153 | } |
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154 | |||
155 | // private Object getNumberByType(Number value, int type) {
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156 | // if (type==DataTypes.DOUBLE){
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157 | // return new Double(value.doubleValue());
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158 | // }else if (type==DataTypes.FLOAT){
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159 | // return new Float(value.floatValue());
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160 | // }else if (type==DataTypes.LONG){
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161 | // return new Long(value.longValue());
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162 | // }else if (type==DataTypes.INT){
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163 | // return new Integer(value.intValue());
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164 | // }else if (type==DataTypes.STRING){
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165 | // return value.toString();
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166 | // }
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167 | // return value;
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168 | // }
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169 | |||
170 | public void initializeValues() { |
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171 | FeatureType type = this.getType();
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172 | Iterator iterator = type.iterator();
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173 | |||
174 | while (iterator.hasNext()) {
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175 | FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
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176 | .next(); |
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177 | if (attribute.isAutomatic() || attribute.isReadOnly()
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178 | || attribute.getEvaluator() != null) {
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179 | continue;
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180 | } |
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181 | if (attribute.getDefaultValue() == null && !attribute.allowNull()) { |
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182 | continue;
|
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183 | } |
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184 | this.set(attribute, attribute.getDefaultValue());
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185 | } |
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186 | } |
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187 | |||
188 | public void clear() { |
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189 | initializeValues(); |
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190 | } |
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191 | |||
192 | public void initializeValues(Feature feature) { |
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193 | FeatureType myType=this.getType();
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194 | FeatureType type =feature.getType(); |
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195 | Iterator iterator = type.iterator();
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196 | |||
197 | while (iterator.hasNext()) {
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198 | FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
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199 | .next(); |
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200 | FeatureAttributeDescriptor myAttribute=myType.getAttributeDescriptor(attribute.getName()); |
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201 | if (myAttribute != null) { |
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202 | this.set(myAttribute, feature.get(attribute.getIndex()));
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203 | } |
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204 | } |
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205 | } |
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206 | |||
207 | |||
208 | public FeatureStore getStore() {
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209 | return (FeatureStore) this.storeRef.get(); |
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210 | } |
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211 | |||
212 | public FeatureType getType() {
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213 | return this.data.getType(); |
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214 | } |
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215 | |||
216 | public EditableFeature getEditable() {
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217 | return new DefaultEditableFeature(this); |
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218 | } |
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219 | |||
220 | public Feature getCopy() {
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221 | return new DefaultFeature(this); |
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222 | } |
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223 | |||
224 | public FeatureReference getReference() {
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225 | if (this.reference == null) { |
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226 | if (!isInserted()) {
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227 | return null; |
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228 | } |
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229 | reference = new DefaultFeatureReference(this); |
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230 | } |
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231 | return this.reference; |
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232 | } |
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233 | |||
234 | class UnableToGetReferenceException extends BaseRuntimeException { |
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235 | |||
236 | /**
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237 | *
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238 | */
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239 | private static final long serialVersionUID = 1812805035204824163L; |
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240 | |||
241 | /**
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242 | * @param exception
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243 | */
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244 | public UnableToGetReferenceException(BaseException exception) {
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245 | super("Unable to get reference", "_UnableToGetReferenceException", |
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246 | serialVersionUID); |
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247 | this.initCause(exception);
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248 | |||
249 | } |
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250 | |||
251 | } |
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252 | |||
253 | public void validate(int mode) { |
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254 | ((DefaultFeatureType) this.data.getType()).validateFeature(this, mode); |
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255 | } |
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256 | |||
257 | public List getSRSs() { |
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258 | // TODO Auto-generated method stub
|
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259 | return null; |
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260 | } |
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261 | |||
262 | public Envelope getDefaultEnvelope() {
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263 | return this.data.getDefaultEnvelope(); |
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264 | } |
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265 | |||
266 | public Geometry getDefaultGeometry() {
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267 | return this.data.getDefaultGeometry(); |
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268 | } |
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269 | |||
270 | public IProjection getDefaultSRS() {
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271 | return this.data.getType().getDefaultSRS(); |
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272 | } |
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273 | |||
274 | public List getGeometries() { |
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275 | // TODO Auto-generated method stub
|
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276 | return null; |
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277 | } |
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278 | |||
279 | public Object get(String name) { |
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280 | int index = this.data.getType().getIndex(name); |
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281 | if( index < 0 ) { |
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282 | throw new IllegalArgumentException("Attribute name '"+name+"' not found in the feature."); |
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283 | } |
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284 | return this.get(index); |
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285 | } |
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286 | |||
287 | |||
288 | public Object get(int index) { |
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289 | FeatureType type = this.data.getType();
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290 | if( index <0 || index >= type.size() ) { |
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291 | throw new IllegalArgumentException("Attribute index '"+index+"' out of range (0 to "+this.data.getType().size()+"."); |
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292 | } |
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293 | FeatureAttributeDescriptor attribute = type.getAttributeDescriptor(index); |
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294 | if (!this.data.getType().hasEvaluators()) { |
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295 | return get(attribute, this.data.get(index)); |
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296 | } |
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297 | Evaluator eval = attribute.getEvaluator(); |
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298 | if (eval == null) { |
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299 | return this.data.get(index); |
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300 | } else {
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301 | Object value = this.data.get(index); |
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302 | if (value != null) { // FIXME: para comprobar si esta calculado usar |
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303 | // un array
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304 | // especifico.
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305 | return get(attribute, this.data.get(index)); |
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306 | } |
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307 | try {
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308 | value = eval.evaluate(this);
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309 | } catch (EvaluatorException e) {
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310 | throw new DataEvaluatorRuntimeException(e); |
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311 | } |
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312 | this.data.set(index, value);
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313 | return get(attribute, value);
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314 | } |
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315 | } |
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316 | |||
317 | private Object get(FeatureAttributeDescriptor featureAttributeDescriptor, Object value){ |
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318 | if (featureAttributeDescriptor.getFeatureAttributeGetter() == null){ |
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319 | return value;
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320 | }else{
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321 | return featureAttributeDescriptor.getFeatureAttributeGetter().getter(value);
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322 | } |
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323 | } |
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324 | |||
325 | public Object[] getArray(String name) { |
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326 | return this.getArray(this.data.getType().getIndex(name)); |
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327 | } |
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328 | |||
329 | public Object[] getArray(int index) { |
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330 | return (Object[]) this.get(index); |
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331 | } |
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332 | |||
333 | public boolean getBoolean(String name) { |
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334 | return this.getBoolean(this.data.getType().getIndex(name)); |
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335 | } |
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336 | |||
337 | public boolean getBoolean(int index) { |
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338 | Boolean value = ((Boolean) this.get(index,Boolean.class,DataTypes.BOOLEAN)); |
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339 | if (value == null) { |
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340 | return false; |
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341 | } |
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342 | return value.booleanValue();
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343 | } |
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344 | |||
345 | public byte getByte(String name) { |
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346 | return this.getByte(this.data.getType().getIndex(name)); |
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347 | } |
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348 | |||
349 | public byte getByte(int index) { |
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350 | Byte value = ((Byte) this.get(index,Byte.class,DataTypes.BYTE)); |
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351 | if (value == null) { |
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352 | return 0; |
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353 | } |
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354 | return value.byteValue();
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355 | } |
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356 | |||
357 | public Date getDate(String name) { |
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358 | return this.getDate(this.data.getType().getIndex(name)); |
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359 | } |
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360 | |||
361 | public Date getDate(int index) { |
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362 | Date value = ((Date) this.get(index,Date.class,DataTypes.DATE)); |
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363 | |||
364 | return value;
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365 | } |
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366 | |||
367 | public double getDouble(String name) { |
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368 | return this.getDouble(this.data.getType().getIndex(name)); |
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369 | } |
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370 | |||
371 | public double getDouble(int index) { |
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372 | |||
373 | Double value = ((Double) this.get(index,Double.class,DataTypes.DOUBLE)); |
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374 | if (value == null) { |
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375 | return 0; |
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376 | } |
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377 | return value.doubleValue();
|
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378 | } |
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379 | |||
380 | public Feature getFeature(String name) { |
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381 | return this.getFeature(this.data.getType().getIndex(name)); |
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382 | } |
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383 | |||
384 | public Feature getFeature(int index) { |
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385 | return (Feature) this.get(index); |
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386 | } |
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387 | |||
388 | public float getFloat(String name) { |
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389 | return this.getFloat(this.data.getType().getIndex(name)); |
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390 | } |
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391 | |||
392 | public float getFloat(int index) { |
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393 | Float value = ((Float) this.get(index,Float.class,DataTypes.FLOAT)); |
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394 | if (value == null) { |
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395 | return 0; |
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396 | } |
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397 | return value.floatValue();
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398 | } |
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399 | |||
400 | public Geometry getGeometry(String name) { |
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401 | return this.getGeometry(this.data.getType().getIndex(name)); |
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402 | } |
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403 | |||
404 | public Geometry getGeometry(int index) { |
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405 | return (Geometry) this.get(index,Geometry.class,DataTypes.GEOMETRY); |
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406 | } |
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407 | |||
408 | public int getInt(String name) { |
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409 | return this.getInt(this.data.getType().getIndex(name)); |
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410 | } |
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411 | |||
412 | public int getInt(int index) { |
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413 | Integer value = ((Integer) this.get(index,Integer.class,DataTypes.INT)); |
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414 | if (value == null) { |
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415 | return 0; |
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416 | } |
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417 | return ((Integer)value).intValue(); |
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418 | } |
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419 | |||
420 | public long getLong(String name) { |
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421 | return this.getLong(this.data.getType().getIndex(name)); |
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422 | } |
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423 | |||
424 | public long getLong(int index) { |
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425 | Long value = ((Long) this.get(index,Long.class,DataTypes.LONG)); |
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426 | if (value == null) { |
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427 | return 0; |
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428 | } |
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429 | return value.longValue();
|
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430 | } |
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431 | |||
432 | public String getString(String name) { |
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433 | return this.getString(this.data.getType().getIndex(name)); |
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434 | } |
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435 | |||
436 | public String getString(int index) { |
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437 | return (String) this.get(index,String.class,DataTypes.STRING); |
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438 | } |
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439 | |||
440 | public Object getContextValue(String name) { |
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441 | name = name.toLowerCase(); |
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442 | if (name.equals("store")) { |
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443 | return this.getStore(); |
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444 | } |
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445 | |||
446 | if (name.equals("featuretype")) { |
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447 | return this.data.getType(); |
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448 | } |
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449 | |||
450 | if (name.equals("feature")) { |
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451 | return this; |
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452 | } |
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453 | |||
454 | throw new IllegalArgumentException(name); |
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455 | } |
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456 | |||
457 | public Iterator getDataNames() { |
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458 | class DataNamesIterator implements Iterator { |
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459 | Iterator attributeIteraror;
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460 | |||
461 | DataNamesIterator(DefaultFeature feature) { |
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462 | this.attributeIteraror = feature.getType().iterator();
|
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463 | } |
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464 | |||
465 | public boolean hasNext() { |
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466 | return this.attributeIteraror.hasNext(); |
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467 | } |
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468 | |||
469 | public Object next() { |
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470 | return ((FeatureAttributeDescriptor) this.attributeIteraror |
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471 | .next()).getName(); |
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472 | } |
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473 | |||
474 | public void remove() { |
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475 | throw new UnsupportedOperationException(); |
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476 | } |
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477 | |||
478 | } |
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479 | return new DataNamesIterator(this); |
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480 | } |
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481 | |||
482 | public Object getDataValue(String name) { |
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483 | name = name.toLowerCase(); |
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484 | return get(name);
|
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485 | } |
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486 | |||
487 | public Iterator getDataValues() { |
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488 | class DataValuesIterator implements Iterator { |
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489 | DefaultFeature feature; |
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490 | int current = 0; |
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491 | |||
492 | DataValuesIterator(DefaultFeature feature) { |
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493 | this.feature = feature;
|
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494 | } |
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495 | |||
496 | public boolean hasNext() { |
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497 | return current < feature.getType().size() - 1; |
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498 | } |
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499 | |||
500 | public Object next() { |
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501 | return feature.get(current++);
|
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502 | } |
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503 | |||
504 | public void remove() { |
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505 | throw new UnsupportedOperationException(); |
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506 | } |
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507 | |||
508 | } |
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509 | return new DataValuesIterator(this); |
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510 | } |
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511 | |||
512 | public boolean hasContextValue(String name) { |
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513 | name = name.toLowerCase(); |
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514 | if (name.equals("store")) { |
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515 | return true; |
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516 | } |
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517 | |||
518 | if (name.equals("featuretype")) { |
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519 | return true; |
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520 | } |
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521 | |||
522 | if (name.equals("feature")) { |
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523 | return true; |
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524 | } |
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525 | return false; |
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526 | } |
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527 | |||
528 | public boolean hasDataValue(String name) { |
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529 | name = name.toLowerCase(); |
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530 | return this.data.getType().getIndex(name) >= 0; |
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531 | } |
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532 | |||
533 | public Instant getInstant(int index) { |
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534 | return ((Instant) this.get(index,Date.class,DataTypes.INSTANT)); |
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535 | } |
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536 | |||
537 | public Instant getInstant(String name) { |
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538 | return this.getInstant(this.data.getType().getIndex(name)); |
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539 | } |
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540 | |||
541 | public Interval getInterval(int index) { |
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542 | return ((Interval) this.get(index,Date.class,DataTypes.INTERVAL)); |
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543 | } |
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544 | |||
545 | public Interval getInterval(String name) { |
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546 | return this.getInterval(this.data.getType().getIndex(name)); |
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547 | } |
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548 | |||
549 | public DynObject getAsDynObject() {
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550 | DynObjectFeatureFacade facade = new DynObjectFeatureFacade();
|
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551 | facade.setFeature(this);
|
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552 | return facade;
|
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553 | } |
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554 | |||
555 | public String toString() { |
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556 | StringBuffer buffer = new StringBuffer("Feature with values: "); |
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557 | FeatureAttributeDescriptor[] attributeDescriptors =
|
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558 | getType().getAttributeDescriptors(); |
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559 | for (int i = 0; i < attributeDescriptors.length; i++) { |
||
560 | String name = attributeDescriptors[i].getName();
|
||
561 | buffer.append(name).append("=").append(get(name));
|
||
562 | if (i < attributeDescriptors.length - 1) { |
||
563 | buffer.append(", ");
|
||
564 | } |
||
565 | } |
||
566 | return super.toString(); |
||
567 | } |
||
568 | |||
569 | |||
570 | /**
|
||
571 | * @return the inserted
|
||
572 | */
|
||
573 | public boolean isInserted() { |
||
574 | return inserted;
|
||
575 | } |
||
576 | |||
577 | |||
578 | /**
|
||
579 | * @param inserted the inserted to set
|
||
580 | */
|
||
581 | public void setInserted(boolean inserted) { |
||
582 | this.inserted = inserted;
|
||
583 | } |
||
584 | |||
585 | public EvaluatorData getEvaluatorData() {
|
||
586 | return this; |
||
587 | } |
||
588 | } |