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 / DALFile.java @ 44094
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1 | 43954 | jjdelcerro | |
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2 | package org.gvsig.fmap.dal.feature.impl; |
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3 | |||
4 | import java.io.File; |
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5 | import java.io.FileInputStream; |
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6 | import java.io.FileOutputStream; |
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7 | import java.util.ArrayList; |
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8 | import java.util.HashSet; |
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9 | import java.util.Iterator; |
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10 | import java.util.List; |
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11 | import java.util.Set; |
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12 | import org.apache.commons.collections4.CollectionUtils; |
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13 | import org.apache.commons.io.IOUtils; |
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14 | import org.gvsig.fmap.dal.exception.DataException; |
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15 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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16 | import org.gvsig.fmap.dal.feature.FeatureAttributeEmulator; |
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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 | 44094 | jjdelcerro | import org.gvsig.timesupport.RelativeInterval; |
20 | import org.gvsig.timesupport.TimeSupportLocator; |
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21 | 43954 | jjdelcerro | import org.gvsig.tools.ToolsLocator; |
22 | import org.gvsig.tools.dynobject.DynStruct; |
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23 | import org.gvsig.tools.persistence.PersistenceManager; |
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24 | import org.gvsig.tools.persistence.Persistent; |
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25 | import org.gvsig.tools.persistence.PersistentState; |
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26 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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27 | |||
28 | |||
29 | 44094 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
30 | 43954 | jjdelcerro | public class DALFile implements Persistent { |
31 | |||
32 | private static final String DALFILE_PERSISTENCE_DEFINITION_NAME = "DALFile"; |
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33 | 44094 | jjdelcerro | private static final String ATTRIBUTE_PERSISTENCE_DEFINITION_NAME = "DALFileAttribute"; |
34 | 43954 | jjdelcerro | |
35 | public static DALFile getDALFile() { |
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36 | DALFile f = new DALFile();
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37 | return f;
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38 | } |
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39 | |||
40 | public static DALFile getDALFile(File f) { |
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41 | DALFile df = new DALFile();
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42 | df.read(f); |
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43 | return df;
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44 | } |
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45 | |||
46 | public static void registerPersistenceDefinition() { |
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47 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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48 | if (manager.getDefinition(DALFILE_PERSISTENCE_DEFINITION_NAME) == null) { |
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49 | DynStruct definition = manager.addDefinition( |
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50 | 43978 | omartinez | DALFile.class, |
51 | 43954 | jjdelcerro | DALFILE_PERSISTENCE_DEFINITION_NAME, |
52 | DALFILE_PERSISTENCE_DEFINITION_NAME + " Persistent definition",
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53 | null,
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54 | null
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55 | ); |
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56 | 44094 | jjdelcerro | definition.addDynFieldList("attributes")
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57 | .setClassOfItems(Attribute.class)
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58 | 43954 | jjdelcerro | .setMandatory(true)
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59 | .setPersistent(true);
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60 | } |
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61 | 44094 | jjdelcerro | if (manager.getDefinition(ATTRIBUTE_PERSISTENCE_DEFINITION_NAME) == null) { |
62 | 43954 | jjdelcerro | DynStruct definition = manager.addDefinition( |
63 | 44094 | jjdelcerro | Attribute.class,
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64 | ATTRIBUTE_PERSISTENCE_DEFINITION_NAME, |
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65 | ATTRIBUTE_PERSISTENCE_DEFINITION_NAME + " Persistent definition",
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66 | 43954 | jjdelcerro | null,
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67 | null
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68 | ); |
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69 | definition.addDynFieldString("name")
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70 | .setMandatory(true)
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71 | .setPersistent(true);
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72 | definition.addDynFieldInt("type")
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73 | .setMandatory(true)
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74 | .setPersistent(true);
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75 | definition.addDynFieldInt("featureTypeIndex")
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76 | .setMandatory(true)
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77 | .setPersistent(true);
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78 | definition.addDynFieldObject("emulator")
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79 | .setClassOfValue(FeatureAttributeEmulator.class) |
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80 | .setMandatory(true)
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81 | .setPersistent(true);
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82 | } |
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83 | } |
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84 | |||
85 | |||
86 | 44094 | jjdelcerro | public static class Attribute implements Persistent { |
87 | 43954 | jjdelcerro | |
88 | private String name; |
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89 | private int type; |
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90 | private FeatureAttributeEmulator emulator;
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91 | private int featureTypeIndex; |
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92 | 44094 | jjdelcerro | private RelativeInterval interval;
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93 | 43954 | jjdelcerro | |
94 | 44094 | jjdelcerro | public Attribute() { |
95 | 43954 | jjdelcerro | |
96 | } |
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97 | |||
98 | 44094 | jjdelcerro | private Attribute(int featureTypeIndex, FeatureAttributeDescriptor attrdesc) { |
99 | 43954 | jjdelcerro | this.featureTypeIndex = featureTypeIndex;
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100 | this.name = attrdesc.getName();
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101 | this.type = attrdesc.getType();
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102 | this.emulator = attrdesc.getFeatureAttributeEmulator();
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103 | 44094 | jjdelcerro | if( attrdesc.getInterval().isRelative() ) {
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104 | this.interval = (RelativeInterval) attrdesc.getInterval();
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105 | } else {
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106 | this.interval = null; |
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107 | } |
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108 | 43954 | jjdelcerro | } |
109 | |||
110 | 44094 | jjdelcerro | public boolean needPersist() { |
111 | if( emulator!= null && emulator instanceof Persistent ) { |
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112 | return true; |
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113 | } |
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114 | if( this.interval!=null ) { |
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115 | return true; |
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116 | } |
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117 | return false; |
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118 | } |
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119 | |||
120 | 43954 | jjdelcerro | @Override
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121 | public void saveToState(PersistentState state) throws PersistenceException { |
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122 | state.set("name", name);
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123 | state.set("type", type);
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124 | state.set("featureTypeIndex", featureTypeIndex);
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125 | state.set("emulator", emulator);
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126 | 44094 | jjdelcerro | if( this.interval!=null ) { |
127 | state.set("intervalStart", interval.getStart().toMillis());
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128 | state.set("intervalEnd", interval.getEnd().toMillis());
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129 | } else {
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130 | state.setNull("intervalStart");
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131 | state.setNull("intervalEnd");
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132 | } |
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133 | 43954 | jjdelcerro | } |
134 | |||
135 | @Override
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136 | public void loadFromState(PersistentState state) throws PersistenceException { |
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137 | this.name = state.getString("name"); |
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138 | this.type = state.getInt("type"); |
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139 | this.featureTypeIndex = state.getInt("featureTypeIndex"); |
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140 | this.emulator = (FeatureAttributeEmulator) state.get("emulator"); |
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141 | 44094 | jjdelcerro | if( state.get("intervalStart")!=null ) { |
142 | this.interval = TimeSupportLocator.getManager().createRelativeInterval(
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143 | state.getLong("intervalStart"),
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144 | state.getLong("intervalEnd")
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145 | ); |
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146 | } |
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147 | 43954 | jjdelcerro | } |
148 | 44094 | jjdelcerro | |
149 | private void fetch(DefaultFeatureAttributeDescriptor attrdesc) { |
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150 | attrdesc.setDataType(this.type);
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151 | attrdesc.setName(this.name);
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152 | attrdesc.setFeatureAttributeEmulator(this.emulator);
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153 | attrdesc.setInterval(this.interval);
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154 | } |
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155 | 43954 | jjdelcerro | |
156 | |||
157 | } |
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158 | |||
159 | 44094 | jjdelcerro | private final List<Attribute> attributes; |
160 | 43954 | jjdelcerro | |
161 | 43978 | omartinez | public DALFile() {
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162 | 44094 | jjdelcerro | this.attributes = new ArrayList<>(); |
163 | 43954 | jjdelcerro | } |
164 | |||
165 | public boolean isEmpty() { |
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166 | 44094 | jjdelcerro | if( CollectionUtils.isEmpty(this.attributes) ) { |
167 | 43954 | jjdelcerro | return true; |
168 | } |
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169 | return false; |
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170 | } |
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171 | |||
172 | public void write(File f) { |
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173 | FileOutputStream out = null; |
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174 | try {
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175 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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176 | PersistentState state = manager.getState(this);
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177 | out = new FileOutputStream(f); |
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178 | manager.saveState(state, out); |
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179 | } catch(Exception ex) { |
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180 | throw new RuntimeException("Can't write DAL file.",ex); |
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181 | } finally {
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182 | IOUtils.closeQuietly(out); |
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183 | } |
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184 | } |
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185 | |||
186 | public void read(File f) { |
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187 | FileInputStream in = null; |
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188 | try {
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189 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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190 | in = new FileInputStream(f); |
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191 | DALFile x = (DALFile) manager.getObject(in); |
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192 | 44094 | jjdelcerro | this.attributes.clear();
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193 | this.attributes.addAll(x.attributes);
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194 | 43954 | jjdelcerro | } catch(Exception ex) { |
195 | throw new RuntimeException("Can't read DAL file.",ex); |
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196 | } finally {
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197 | IOUtils.closeQuietly(in); |
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198 | } |
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199 | } |
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200 | |||
201 | public void setStore(FeatureStore store) throws DataException { |
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202 | 44094 | jjdelcerro | this.attributes.clear();
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203 | 43954 | jjdelcerro | |
204 | List<FeatureType> types = store.getFeatureTypes();
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205 | for( int n=0; n<types.size(); n++ ) { |
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206 | FeatureType type = types.get(n); |
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207 | for (FeatureAttributeDescriptor attrdesc : type) {
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208 | 44094 | jjdelcerro | Attribute attribute = new Attribute(n,attrdesc); |
209 | if( attribute.needPersist() ) {
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210 | this.attributes.add(attribute);
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211 | 43954 | jjdelcerro | } |
212 | } |
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213 | } |
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214 | } |
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215 | |||
216 | public void updateStore(FeatureStore store) throws DataException { |
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217 | List<FeatureType> types = store.getFeatureTypes();
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218 | Set<DefaultFeatureType> needFixTypes = new HashSet<>(); |
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219 | |||
220 | 44094 | jjdelcerro | for (Attribute attribute : this.attributes) { |
221 | DefaultFeatureType ft = (DefaultFeatureType) types.get(attribute.featureTypeIndex); |
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222 | DefaultFeatureAttributeDescriptor attrdesc = (DefaultFeatureAttributeDescriptor) ft.get(attribute.name); |
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223 | if( ft.get(attribute.name)==null ) { |
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224 | attrdesc = new DefaultFeatureAttributeDescriptor(ft);
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225 | attribute.fetch(attrdesc); |
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226 | ft.add(attrdesc); |
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227 | } else {
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228 | attribute.fetch(attrdesc); |
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229 | } |
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230 | 43954 | jjdelcerro | needFixTypes.add(ft); |
231 | } |
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232 | for (DefaultFeatureType type : needFixTypes) {
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233 | type.fixAll(); |
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234 | } |
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235 | } |
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236 | |||
237 | @Override
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238 | public void saveToState(PersistentState state) throws PersistenceException { |
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239 | 44094 | jjdelcerro | state.set("attributes", attributes);
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240 | 43954 | jjdelcerro | } |
241 | |||
242 | @Override
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243 | public void loadFromState(PersistentState state) throws PersistenceException { |
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244 | 44094 | jjdelcerro | this.attributes.clear();
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245 | Iterator<Attribute> it = state.getIterator("attributes"); |
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246 | 43954 | jjdelcerro | while( it.hasNext() ) {
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247 | 44094 | jjdelcerro | Attribute attribute = it.next();
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248 | this.attributes.add(attribute);
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249 | 43954 | jjdelcerro | } |
250 | } |
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251 | |||
252 | } |