root / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / impl / DefaultDataManager.java @ 24496
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| 1 | 24496 | jmvivo | package org.gvsig.fmap.dal.impl; |
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| 2 | 19399 | vcaballero | |
| 3 | 23754 | jjdelcerro | import java.lang.reflect.InvocationTargetException; |
| 4 | 23864 | jiyarza | import java.util.HashMap; |
| 5 | 21594 | jmvivo | import java.util.List; |
| 6 | 23864 | jiyarza | import java.util.Map; |
| 7 | 19399 | vcaballero | |
| 8 | 24496 | jmvivo | import org.gvsig.fmap.dal.DALLocator; |
| 9 | import org.gvsig.fmap.dal.DataExplorer; |
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| 10 | import org.gvsig.fmap.dal.DataExplorerParameters; |
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| 11 | import org.gvsig.fmap.dal.DataManager; |
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| 12 | import org.gvsig.fmap.dal.DataStore; |
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| 13 | import org.gvsig.fmap.dal.DataStoreParameters; |
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| 14 | import org.gvsig.fmap.dal.exceptions.InitializeException; |
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| 15 | import org.gvsig.fmap.dal.exceptions.ProviderNotRegisteredException; |
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| 16 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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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.impl.DefaultFeatureIndex; |
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| 20 | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureStore; |
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| 21 | import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider; |
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| 22 | import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
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| 23 | import org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider; |
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| 24 | import org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProviderServices; |
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| 25 | import org.gvsig.fmap.dal.resource.ResourceManager; |
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| 26 | import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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| 27 | import org.gvsig.fmap.dal.spi.DataStoreProvider; |
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| 28 | 24111 | jiyarza | import org.gvsig.tools.ToolsLocator; |
| 29 | 23754 | jjdelcerro | import org.gvsig.tools.evaluator.Evaluator; |
| 30 | 24118 | jiyarza | import org.gvsig.tools.operations.OperationManager; |
| 31 | 19399 | vcaballero | |
| 32 | 24111 | jiyarza | public class DefaultDataManager implements DataManager, DataManagerProviderServices { |
| 33 | 21594 | jmvivo | |
| 34 | 24111 | jiyarza | final static private String DATA_MANAGER_STORE = "Data.manager.stores"; |
| 35 | final static private String DATA_MANAGER_STORE_DESCRIPTION = "DAL stores providers"; |
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| 36 | 19399 | vcaballero | |
| 37 | 24111 | jiyarza | final static private String DATA_MANAGER_STORE_PARAMS = "Data.manager.stores.params"; |
| 38 | final static private String DATA_MANAGER_STORE_PARAMS_DESCRIPTION = "DAL stores providers parameters"; |
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| 39 | 23911 | jmvivo | |
| 40 | 24111 | jiyarza | final static private String DATA_MANAGER_EXPLORER = "Data.manager.explorers"; |
| 41 | final static private String DATA_MANAGER_EXPLORER_DESCRIPTION = "DAL explorers providers"; |
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| 42 | 19399 | vcaballero | |
| 43 | 24111 | jiyarza | final static private String DATA_MANAGER_EXPLORER_PARAMS = "Data.manager.explorers.params"; |
| 44 | final static private String DATA_MANAGER_EXPLORER_PARAMS_DESCRIPTION = "DAL explorer providers parameters"; |
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| 45 | 23864 | jiyarza | |
| 46 | 24111 | jiyarza | final static private String DATA_MANAGER_INDEX = "Data.manager.indexes"; |
| 47 | final static private String DATA_MANAGER_INDEX_DESCRIPTION = "DAL index providers"; |
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| 48 | 23864 | jiyarza | |
| 49 | 24111 | jiyarza | final static private String DATA_MANAGER_EXPRESION_EVALUATOR = "Data.manager.expresion.evaluator"; |
| 50 | final static private String DATA_MANAGER_EXPRESION_EVALUATOR_DEFAULT = "default"; |
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| 51 | final static private String DATA_MANAGER_EXPRESION_EVALUATOR_DESCRIPTION = "DAL expresion evaluators."; |
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| 52 | 24162 | jjdelcerro | |
| 53 | 24111 | jiyarza | /** This map contains the name of the default provider for each data type */
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| 54 | private Map defaultDataIndexProviders; |
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| 55 | 23911 | jmvivo | |
| 56 | 19399 | vcaballero | |
| 57 | 24111 | jiyarza | public DefaultDataManager() {
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| 58 | /*
|
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| 59 | * Create te extensions point in te registry.
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| 60 | */
|
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| 61 | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_STORE, |
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| 62 | DATA_MANAGER_STORE_DESCRIPTION); |
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| 63 | 19399 | vcaballero | |
| 64 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_STORE_PARAMS, |
| 65 | DATA_MANAGER_STORE_PARAMS_DESCRIPTION); |
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| 66 | 21594 | jmvivo | |
| 67 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_EXPLORER, |
| 68 | DATA_MANAGER_EXPLORER_DESCRIPTION); |
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| 69 | 19399 | vcaballero | |
| 70 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add( |
| 71 | DATA_MANAGER_EXPLORER_PARAMS, |
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| 72 | DATA_MANAGER_EXPLORER_PARAMS_DESCRIPTION); |
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| 73 | 19399 | vcaballero | |
| 74 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_INDEX, |
| 75 | DATA_MANAGER_INDEX_DESCRIPTION); |
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| 76 | 19399 | vcaballero | |
| 77 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add( |
| 78 | DATA_MANAGER_EXPRESION_EVALUATOR, |
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| 79 | DATA_MANAGER_EXPRESION_EVALUATOR_DESCRIPTION); |
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| 80 | 24162 | jjdelcerro | |
| 81 | 24111 | jiyarza | initializeIndexes(); |
| 82 | 19399 | vcaballero | } |
| 83 | 23339 | jmvivo | |
| 84 | 19399 | vcaballero | /**
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| 85 | 23754 | jjdelcerro | *
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| 86 | 24111 | jiyarza | * @return ResourceManager
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| 87 | 23754 | jjdelcerro | */
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| 88 | 23339 | jmvivo | |
| 89 | 24111 | jiyarza | public ResourceManager getResourceManager() {
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| 90 | return DALLocator.getResourceManager();
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| 91 | 23339 | jmvivo | } |
| 92 | |||
| 93 | 24118 | jiyarza | public OperationManager getOperationManager() {
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| 94 | return ToolsLocator.getOperationManager();
|
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| 95 | } |
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| 96 | |||
| 97 | 24111 | jiyarza | public String getTemporaryDirectory() { |
| 98 | // FIXME Define a better tempdir solution
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| 99 | String tmp = System.getenv("TMP"); |
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| 100 | if (tmp == null) { |
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| 101 | tmp = System.getenv("TEMP"); |
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| 102 | 19399 | vcaballero | } |
| 103 | 24111 | jiyarza | if (tmp == null) { |
| 104 | tmp = System.getenv("HOME"); |
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| 105 | 21594 | jmvivo | } |
| 106 | 24111 | jiyarza | return tmp;
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| 107 | 19399 | vcaballero | } |
| 108 | |||
| 109 | 24111 | jiyarza | /*
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| 110 | * ====================================================================
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| 111 | 19399 | vcaballero | *
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| 112 | 24111 | jiyarza | * Store related services
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| 113 | 19399 | vcaballero | */
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| 114 | 24111 | jiyarza | public void registerStoreProvider(String name, |
| 115 | Class storeProviderClass,
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| 116 | Class parametersClass) {
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| 117 | 19399 | vcaballero | |
| 118 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_STORE, |
| 119 | 24162 | jjdelcerro | DATA_MANAGER_STORE_DESCRIPTION).append(name, null,
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| 120 | 24111 | jiyarza | storeProviderClass); |
| 121 | 23339 | jmvivo | |
| 122 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_STORE_PARAMS, |
| 123 | 24162 | jjdelcerro | DATA_MANAGER_STORE_PARAMS_DESCRIPTION).append(name, null,
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| 124 | 24198 | jmvivo | parametersClass); |
| 125 | 19399 | vcaballero | } |
| 126 | 23032 | jmvivo | |
| 127 | 24111 | jiyarza | public DataStoreParameters createStoreParameters(String name) |
| 128 | 23958 | jiyarza | throws InitializeException, ProviderNotRegisteredException {
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| 129 | 21594 | jmvivo | try {
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| 130 | 24111 | jiyarza | DataStoreParameters params = (DataStoreParameters) ToolsLocator |
| 131 | .getExtensionPointManager().get(DATA_MANAGER_STORE_PARAMS) |
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| 132 | .create(name); |
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| 133 | if (params == null) { |
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| 134 | throw new ProviderNotRegisteredException(name); |
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| 135 | } |
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| 136 | return params;
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| 137 | 21594 | jmvivo | } catch (InstantiationException e) { |
| 138 | 24111 | jiyarza | throw new InitializeException(e); |
| 139 | 21594 | jmvivo | } catch (IllegalAccessException e) { |
| 140 | 23774 | jjdelcerro | throw new InitializeException(e); |
| 141 | 24111 | jiyarza | } catch (SecurityException e) { |
| 142 | throw new InitializeException(e); |
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| 143 | } catch (IllegalArgumentException e) { |
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| 144 | throw new InitializeException(e); |
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| 145 | 23032 | jmvivo | } |
| 146 | } |
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| 147 | |||
| 148 | 24111 | jiyarza | public DataStore createStore(DataStoreParameters parameters)
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| 149 | 23958 | jiyarza | throws InitializeException, ProviderNotRegisteredException {
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| 150 | 24111 | jiyarza | String name = parameters.getDataStoreName();
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| 151 | |||
| 152 | 21594 | jmvivo | try {
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| 153 | 24204 | jmvivo | DataStoreProvider storeProvider = (DataStoreProvider) ToolsLocator |
| 154 | 24111 | jiyarza | .getExtensionPointManager().get(DATA_MANAGER_STORE).create( |
| 155 | name, new Object[] { parameters }); |
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| 156 | 24204 | jmvivo | if (storeProvider == null) { |
| 157 | 24111 | jiyarza | throw new ProviderNotRegisteredException(name); |
| 158 | } |
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| 159 | 24204 | jmvivo | |
| 160 | return new DefaultFeatureStore(this, parameters, |
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| 161 | (FeatureStoreProvider) storeProvider); |
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| 162 | 21594 | jmvivo | } catch (InstantiationException e) { |
| 163 | 24111 | jiyarza | throw new InitializeException(e); |
| 164 | 21594 | jmvivo | } catch (IllegalAccessException e) { |
| 165 | 23774 | jjdelcerro | throw new InitializeException(e); |
| 166 | 24111 | jiyarza | } catch (SecurityException e) { |
| 167 | throw new InitializeException(e); |
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| 168 | } catch (IllegalArgumentException e) { |
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| 169 | throw new InitializeException(e); |
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| 170 | } catch (NoSuchMethodException e) { |
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| 171 | throw new InitializeException(e); |
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| 172 | } catch (InvocationTargetException e) { |
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| 173 | throw new InitializeException(e); |
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| 174 | 23032 | jmvivo | } |
| 175 | } |
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| 176 | |||
| 177 | 24111 | jiyarza | public List getStoreProviders() { |
| 178 | return ToolsLocator.getExtensionPointManager().get(DATA_MANAGER_STORE)
|
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| 179 | .getNames(); |
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| 180 | 19399 | vcaballero | } |
| 181 | 23339 | jmvivo | |
| 182 | 24111 | jiyarza | /*
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| 183 | * ====================================================================
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| 184 | 23754 | jjdelcerro | *
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| 185 | 24111 | jiyarza | * Explorer related services
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| 186 | 23327 | vacevedo | */
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| 187 | 24111 | jiyarza | public void registerExplorerProvider(String name, Class explorerClass, |
| 188 | Class parametersClass) {
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| 189 | 21885 | vcaballero | |
| 190 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_EXPLORER, |
| 191 | 24162 | jjdelcerro | DATA_MANAGER_EXPLORER_DESCRIPTION).append(name, null,
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| 192 | explorerClass); |
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| 193 | 19399 | vcaballero | |
| 194 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add( |
| 195 | DATA_MANAGER_EXPLORER_PARAMS, |
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| 196 | 24162 | jjdelcerro | DATA_MANAGER_EXPLORER_PARAMS_DESCRIPTION).append(name, null,
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| 197 | 24111 | jiyarza | parametersClass); |
| 198 | 19399 | vcaballero | } |
| 199 | 23339 | jmvivo | |
| 200 | 24111 | jiyarza | public DataExplorerParameters createExplorerParameters(String name) |
| 201 | throws InitializeException, ProviderNotRegisteredException {
|
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| 202 | try {
|
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| 203 | DataExplorerParameters params = (DataExplorerParameters) ToolsLocator |
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| 204 | .getExtensionPointManager() |
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| 205 | .get( |
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| 206 | DATA_MANAGER_EXPLORER_PARAMS) |
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| 207 | .create(name); |
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| 208 | if (params == null) { |
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| 209 | throw new ProviderNotRegisteredException(name); |
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| 210 | 23504 | jmvivo | } |
| 211 | 24111 | jiyarza | return params;
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| 212 | } catch (InstantiationException e) { |
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| 213 | throw new InitializeException(e); |
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| 214 | } catch (IllegalAccessException e) { |
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| 215 | throw new InitializeException(e); |
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| 216 | } catch (SecurityException e) { |
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| 217 | throw new InitializeException(e); |
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| 218 | } catch (IllegalArgumentException e) { |
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| 219 | throw new InitializeException(e); |
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| 220 | 23504 | jmvivo | } |
| 221 | 21609 | jmvivo | } |
| 222 | 23339 | jmvivo | |
| 223 | 24111 | jiyarza | public DataExplorer createExplorer(DataExplorerParameters parameters)
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| 224 | throws InitializeException, ProviderNotRegisteredException {
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| 225 | 21594 | jmvivo | |
| 226 | 24111 | jiyarza | String name = parameters.getType().getName();
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| 227 | 21885 | vcaballero | |
| 228 | 24111 | jiyarza | try {
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| 229 | DataExplorer explorer = (DataExplorer) ToolsLocator |
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| 230 | .getExtensionPointManager().get(DATA_MANAGER_STORE).create( |
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| 231 | name, new Object[] { parameters }); |
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| 232 | if (explorer == null) { |
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| 233 | throw new ProviderNotRegisteredException(name); |
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| 234 | 19616 | jmvivo | } |
| 235 | 24111 | jiyarza | return explorer;
|
| 236 | } catch (InstantiationException e) { |
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| 237 | throw new InitializeException(e); |
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| 238 | } catch (IllegalAccessException e) { |
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| 239 | throw new InitializeException(e); |
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| 240 | } catch (SecurityException e) { |
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| 241 | throw new InitializeException(e); |
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| 242 | } catch (IllegalArgumentException e) { |
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| 243 | throw new InitializeException(e); |
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| 244 | } catch (NoSuchMethodException e) { |
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| 245 | throw new InitializeException(e); |
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| 246 | } catch (InvocationTargetException e) { |
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| 247 | throw new InitializeException(e); |
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| 248 | 19616 | jmvivo | } |
| 249 | 19399 | vcaballero | } |
| 250 | 23339 | jmvivo | |
| 251 | 24111 | jiyarza | public List getExplorerProviders() { |
| 252 | return ToolsLocator.getExtensionPointManager().get(
|
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| 253 | DATA_MANAGER_EXPLORER).getNames(); |
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| 254 | 21670 | jmvivo | } |
| 255 | 23339 | jmvivo | |
| 256 | 21670 | jmvivo | |
| 257 | 24111 | jiyarza | /*
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| 258 | * ====================================================================
|
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| 259 | 23754 | jjdelcerro | *
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| 260 | 24111 | jiyarza | * Expresion evaluation related services
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| 261 | 23327 | vacevedo | */
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| 262 | 24111 | jiyarza | public Evaluator createExpresion(String expresion) |
| 263 | throws InitializeException {
|
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| 264 | 23754 | jjdelcerro | try {
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| 265 | 24111 | jiyarza | return (Evaluator) ToolsLocator.getExtensionPointManager().get(
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| 266 | DATA_MANAGER_EXPRESION_EVALUATOR).create( |
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| 267 | DATA_MANAGER_EXPRESION_EVALUATOR_DEFAULT, |
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| 268 | new Object[] { expresion }); |
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| 269 | } catch (SecurityException e) { |
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| 270 | throw new InitializeException(e); |
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| 271 | } catch (IllegalArgumentException e) { |
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| 272 | throw new InitializeException(e); |
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| 273 | } catch (NoSuchMethodException e) { |
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| 274 | throw new InitializeException(e); |
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| 275 | 23754 | jjdelcerro | } catch (InstantiationException e) { |
| 276 | 24111 | jiyarza | throw new InitializeException(e); |
| 277 | 23754 | jjdelcerro | } catch (IllegalAccessException e) { |
| 278 | 24111 | jiyarza | throw new InitializeException(e); |
| 279 | 23754 | jjdelcerro | } catch (InvocationTargetException e) { |
| 280 | 24111 | jiyarza | throw new InitializeException(e); |
| 281 | 23754 | jjdelcerro | } |
| 282 | 23123 | jmvivo | } |
| 283 | |||
| 284 | 23754 | jjdelcerro | public void registerDefaultEvaluator(Class evaluatorClass) { |
| 285 | if (!evaluatorClass.isInstance(Evaluator.class)) {
|
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| 286 | throw new ClassCastException(); |
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| 287 | } |
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| 288 | 24111 | jiyarza | ToolsLocator.getExtensionPointManager().add( |
| 289 | DATA_MANAGER_EXPRESION_EVALUATOR, |
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| 290 | 24162 | jjdelcerro | DATA_MANAGER_EXPRESION_EVALUATOR_DESCRIPTION).append( |
| 291 | 24111 | jiyarza | DATA_MANAGER_EXPRESION_EVALUATOR_DEFAULT, |
| 292 | "Default expresion evaluator for use in DAL", evaluatorClass);
|
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| 293 | 23123 | jmvivo | } |
| 294 | |||
| 295 | 24111 | jiyarza | /*
|
| 296 | * ====================================================================
|
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| 297 | *
|
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| 298 | * Index related services
|
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| 299 | */
|
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| 300 | 24017 | jjdelcerro | |
| 301 | |||
| 302 | 24111 | jiyarza | public List getFeatureIndexProviders() { |
| 303 | return ToolsLocator.getExtensionPointManager().get(DATA_MANAGER_INDEX)
|
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| 304 | .getNames(); |
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| 305 | 23864 | jiyarza | } |
| 306 | 24162 | jjdelcerro | |
| 307 | 24111 | jiyarza | public void setDefaultFeatureIndexProviderName(int dataType, String name) { |
| 308 | 23864 | jiyarza | defaultDataIndexProviders.put(new Integer(dataType), name); |
| 309 | } |
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| 310 | 24017 | jjdelcerro | |
| 311 | 24111 | jiyarza | public String getDefaultFeatureIndexProviderName(int dataType) { |
| 312 | 24017 | jjdelcerro | return (String) defaultDataIndexProviders.get(new Integer(dataType)); |
| 313 | 23864 | jiyarza | } |
| 314 | 24017 | jjdelcerro | |
| 315 | 24111 | jiyarza | public FeatureIndexProviderServices createFeatureIndexProvider(
|
| 316 | String name, FeatureStore store, FeatureType type, String indexName, |
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| 317 | FeatureAttributeDescriptor attr) |
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| 318 | throws InitializeException, ProviderNotRegisteredException {
|
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| 319 | 24162 | jjdelcerro | |
| 320 | 24111 | jiyarza | if (name == null) { |
| 321 | name = getDefaultFeatureIndexProviderName(attr.getDataType()); |
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| 322 | 24162 | jjdelcerro | } |
| 323 | |||
| 324 | 24111 | jiyarza | try {
|
| 325 | FeatureIndexProvider provider = (FeatureIndexProvider) ToolsLocator |
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| 326 | .getExtensionPointManager() |
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| 327 | .get( |
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| 328 | DATA_MANAGER_INDEX) |
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| 329 | .create(name); |
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| 330 | if (provider == null) { |
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| 331 | throw new ProviderNotRegisteredException(name); |
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| 332 | } |
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| 333 | FeatureIndexProviderServices services = new DefaultFeatureIndex((FeatureStoreProviderServices) store, type, provider, attr.getName(), indexName);
|
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| 334 | services.initialize(); |
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| 335 | return services;
|
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| 336 | } catch (InstantiationException e) { |
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| 337 | throw new InitializeException(e); |
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| 338 | } catch (IllegalAccessException e) { |
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| 339 | throw new InitializeException(e); |
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| 340 | } catch (SecurityException e) { |
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| 341 | throw new InitializeException(e); |
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| 342 | } catch (IllegalArgumentException e) { |
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| 343 | throw new InitializeException(e); |
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| 344 | } |
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| 345 | 24017 | jjdelcerro | } |
| 346 | |||
| 347 | 24111 | jiyarza | public void registerFeatureIndexProvider(String name, String description, |
| 348 | Class clazz, int dataType) { |
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| 349 | ToolsLocator.getExtensionPointManager().add(DATA_MANAGER_INDEX, |
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| 350 | 24162 | jjdelcerro | DATA_MANAGER_INDEX_DESCRIPTION).append(name, null,
|
| 351 | 24111 | jiyarza | clazz); |
| 352 | 24162 | jjdelcerro | |
| 353 | 24111 | jiyarza | if (getDefaultFeatureIndexProviderName(dataType) == null) { |
| 354 | setDefaultFeatureIndexProviderName(dataType, name); |
||
| 355 | } |
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| 356 | 24017 | jjdelcerro | } |
| 357 | 24162 | jjdelcerro | |
| 358 | 24111 | jiyarza | private void initializeIndexes() { |
| 359 | 24162 | jjdelcerro | this.defaultDataIndexProviders = new HashMap(); |
| 360 | 24111 | jiyarza | } |
| 361 | |||
| 362 | 19399 | vcaballero | } |