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 / impl / DefaultDataManager.java @ 43040
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package org.gvsig.fmap.dal.impl; |
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|
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import java.io.File; |
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import java.io.InputStream; |
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import java.net.URL; |
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import java.net.URLClassLoader; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.gvsig.fmap.dal.DataFactory; |
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import org.gvsig.fmap.dal.DataManager; |
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import static org.gvsig.fmap.dal.DataManager.READ_STORE_AUTHORIZATION; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataServerExplorerFactory; |
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import org.gvsig.fmap.dal.DataServerExplorerParameters; |
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import org.gvsig.fmap.dal.DataServerExplorerPool; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreFactory_v2_4; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.DataStoreProviderFactory; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.ExpressionBuilder; |
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import org.gvsig.fmap.dal.NewDataStoreParameters; |
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import org.gvsig.fmap.dal.OpenErrorHandler; |
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import org.gvsig.fmap.dal.Register; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.impl.DefaultEditableFeatureType; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeatureIndex; |
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import org.gvsig.fmap.dal.feature.impl.FeatureStoreFactory; |
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import org.gvsig.fmap.dal.feature.paging.FeaturePagingHelper; |
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import org.gvsig.fmap.dal.feature.paging.impl.FeaturePagingHelperImpl; |
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import org.gvsig.fmap.dal.feature.spi.ExpressionBuilderBase; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider; |
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import org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProviderServices; |
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import org.gvsig.fmap.dal.raster.impl.RasterStoreOldFactory; |
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import org.gvsig.fmap.dal.raster.impl.RasterStoreFactory; |
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import org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.dal.store.memory.MemoryStoreParameters; |
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import org.gvsig.fmap.dal.store.memory.MemoryStoreProvider; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.DataType; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.dynobject.DynStruct_v2; |
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import org.gvsig.tools.dynobject.Tags; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.identitymanagement.SimpleIdentityManager; |
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import org.gvsig.tools.identitymanagement.UnauthorizedException; |
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import org.gvsig.tools.service.spi.Services; |
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|
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public class DefaultDataManager |
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implements DataManager, DataManagerProviderServices, Services {
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|
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private class Registers { |
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|
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private final Register store; |
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private final Register storeProvider; |
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private final Register serverExplorer; |
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private final Register featureIndexProvider; |
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|
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public Registers() {
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this.store = new RegisterImpl( |
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"Data.manager.stores.factory",
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"DAL store factories"
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); |
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this.storeProvider = new RegisterImpl( |
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"Data.manager.providers.factory",
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"DAL store provider factories"
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); |
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this.serverExplorer = new RegisterImpl( |
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"Data.manager.servereexplorer.factory",
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"DAL server explorer factories"
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); |
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this.featureIndexProvider = new RegisterImpl( |
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"Data.manager.feature.index.factory",
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"DAL feature index factories"
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); |
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this.store.register(new FeatureStoreFactory()); |
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} |
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} |
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private static final String TAG_DAL_OPENSTORE = "dal.openstore."; |
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|
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private final Registers registers; |
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|
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private final Map<Integer, String> defaultDataIndexProviders; |
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|
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private Class defaultEvaluatorClass = null; |
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|
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private OpenErrorHandler openErrorHandler = null; |
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|
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private DataServerExplorerPool dataServerExplorerPool = null; |
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|
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private List<DataType> dataTypes = null; |
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|
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private ClassLoader resourcesLoader = null; |
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|
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public DefaultDataManager() {
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this.registers = new Registers(); |
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this.defaultDataIndexProviders = new HashMap<>(); |
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} |
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|
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@Override
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public Register getStoreRegister() {
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return this.registers.store; |
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} |
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|
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@Override
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public Register getStoreProviderRegister() {
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return this.registers.storeProvider; |
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} |
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|
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@Override
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public Register getServerExplorerRegister() {
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return this.registers.serverExplorer; |
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} |
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@Override
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public Register getFeatureIndexRegister() {
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return this.registers.featureIndexProvider; |
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} |
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|
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private String getStoreName(DataStoreParameters parameters) { |
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for (DataFactory factory : this.getStoreRegister()) { |
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DataStoreFactory_v2_4 storeFactory = (DataStoreFactory_v2_4) factory; |
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if (storeFactory.canUse(parameters)) {
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return storeFactory.getName();
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} |
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} |
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return null; |
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} |
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|
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/**
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* @deprecated
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*/
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@Override
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public void registerDefaultRasterStore(Class rasterStoreClass) { |
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// Metodo usado por el raster nuevo para regstrar su factoria de store
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this.getStoreRegister().register(new RasterStoreFactory(rasterStoreClass)); |
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} |
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|
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/**
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* @deprecated
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*/
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@Override
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public void registerStoreFactory(String name, Class storeFactoryClass) { |
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// Metodo usado por el raster viejo para registrar las factorias de sus stores
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this.getStoreRegister().register(new RasterStoreOldFactory(name, storeFactoryClass)); |
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} |
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|
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/**
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* @param name
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* @param storeProviderClass
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* @param parametersClass
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* @deprecated use registerStoreProviderFactory
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*/
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@Override
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public void registerStoreProvider(String name, Class storeProviderClass, |
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Class parametersClass) {
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if (name == null || storeProviderClass == null || parametersClass == null) { |
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throw new IllegalArgumentException("Any parameters can be null"); |
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} |
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if (!DataStoreParameters.class.isAssignableFrom(parametersClass)) {
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throw new IllegalArgumentException(parametersClass.getName() |
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+ " must implement org.gvsig.fmap.dal.DataStoreParameters");
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} |
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if (CoverageStoreProvider.class.isAssignableFrom(storeProviderClass)) {
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// Envuelve al proveedor en una factoria por defecto.
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this.registerStoreProviderFactory(new DataStoreProviderToCoverageProviderFactoryWrapper( |
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name, "", storeProviderClass, parametersClass));
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return;
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} |
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if (FeatureStoreProvider.class.isAssignableFrom(storeProviderClass)) {
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// Envuelve al proveedor en una factoria por defecto.
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this.registerStoreProviderFactory(new DataStoreProviderToFeatureStoreProviderFactoryWrapper( |
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name, "", storeProviderClass, parametersClass));
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return;
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} |
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throw new IllegalArgumentException("Not supported implemtation: name=" |
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+ name + " provider class=" + storeProviderClass.getName());
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} |
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@Override
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public void registerExplorerProvider(String name, Class explorerClass, Class parametersClass) { |
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if (name == null || explorerClass == null || parametersClass == null) { |
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// FIXME Exception
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throw new IllegalArgumentException("Any parameters can be null"); |
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} |
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if (!DataServerExplorerParameters.class
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.isAssignableFrom(parametersClass)) { |
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// FIXME Exception
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throw new IllegalArgumentException( |
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parametersClass.getName() |
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+ " must implement org.gvsig.fmap.dal.DataServerExplorerParameters");
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} |
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if (!DataServerExplorer.class.isAssignableFrom(explorerClass)) {
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// FIXME Exception
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throw new IllegalArgumentException(explorerClass.getName() |
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+ " must implement org.gvsig.fmap.dal.DataServerExplorer");
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} |
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// Envuelve al proveedor en una factoria por defecto.
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this.registerServerExplorerFactory(
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new DataServerExplorerToDataExplorerFactoryWrapper(
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name, "", explorerClass, parametersClass
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) |
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); |
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|
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} |
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@Override
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public void registerStoreFactory(DataStoreFactory_v2_4 factory) { |
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this.getStoreRegister().register(factory);
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} |
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@Override
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public void registerStoreProviderFactory(DataStoreProviderFactory factory) { |
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this.getStoreProviderRegister().register(factory);
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} |
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|
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@Override
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public void registerServerExplorerFactory(DataServerExplorerFactory factory) { |
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this.getServerExplorerRegister().register(factory);
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} |
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@Override
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public DataStoreParameters createStoreParameters(String providerName) throws InitializeException, ProviderNotRegisteredException { |
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DataFactory providerFactory = this.getStoreProviderRegister().getFactory(providerName);
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return (DataStoreParameters) providerFactory.createParameters();
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} |
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@Override
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public NewDataStoreParameters createNewStoreParameters(String explorerName, String providerName) throws InitializeException, ProviderNotRegisteredException { |
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try {
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DataServerExplorer explorer = this.openServerExplorer(explorerName, null); |
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return explorer.getAddParameters(providerName);
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} catch (Exception ex) { |
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throw new InitializeException(ex); |
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} |
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} |
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|
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@Override
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public DataServerExplorerParameters createServerExplorerParameters(String explorerName) throws InitializeException, ProviderNotRegisteredException { |
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DataFactory explorerFactory = this.getServerExplorerRegister().getFactory(explorerName);
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DataServerExplorerParameters params = (DataServerExplorerParameters) explorerFactory.createParameters(); |
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return params;
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} |
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@Override
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public DataStoreParameters createMemoryStoreParameters(String autoOrderAttributeName) throws InitializeException { |
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try {
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DataStoreParameters parameters = createStoreParameters(MemoryStoreProvider.NAME); |
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if (autoOrderAttributeName != null) { |
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parameters.setDynValue( |
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MemoryStoreParameters.ORDER_PARAMETER_NAME, |
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autoOrderAttributeName); |
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} |
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return parameters;
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} catch (Exception ex) { |
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throw new InitializeException(ex); |
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} |
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} |
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|
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@Override
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public DataServerExplorer openServerExplorer(String explorerName, DataServerExplorerParameters parameters) throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException { |
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DataFactory explorerFactory = this.getServerExplorerRegister().getFactory(explorerName);
|
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if (parameters == null) { |
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parameters = (DataServerExplorerParameters) explorerFactory.createParameters(); |
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} |
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DataServerExplorer explorer = (DataServerExplorer) explorerFactory.create( |
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parameters, |
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new DefaultDataServerExplorerProviderServices()
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); |
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return explorer;
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} |
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|
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/**
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* @param parameters
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* @return
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* @throws org.gvsig.fmap.dal.exception.InitializeException
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* @throws org.gvsig.fmap.dal.exception.ProviderNotRegisteredException
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* @throws org.gvsig.fmap.dal.exception.ValidateDataParametersException
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* @deprecated see openServerExplorer
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*/
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@Override
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public DataServerExplorer createServerExplorer(
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DataServerExplorerParameters parameters) throws InitializeException,
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ProviderNotRegisteredException, ValidateDataParametersException { |
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return openServerExplorer(parameters.getExplorerName(), parameters);
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} |
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|
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@Override
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public DataStore openStore(String providerName, DataStoreParameters parameters) throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException { |
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|
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SimpleIdentityManager identityManager = ToolsLocator.getIdentityManager(); |
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if (!identityManager.getCurrentIdentity().isAuthorized(READ_STORE_AUTHORIZATION, parameters, providerName)) {
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throw new UnauthorizedException(READ_STORE_AUTHORIZATION, parameters, providerName); |
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} |
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String storeName = this.getStoreName(parameters); |
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DataStoreFactory_v2_4 storeFactory = (DataStoreFactory_v2_4) this.getStoreRegister().getFactory(storeName);
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DataFactory providerFactory = this.getStoreProviderRegister().getFactory(providerName);
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DataStore store = (DataStore) storeFactory.create(parameters, this);
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DataStoreProvider provider = (DataStoreProvider) providerFactory.create(parameters, store); |
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storeFactory.setProvider(store, provider); |
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return store;
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} |
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|
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@Override
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public DataStore openStore(String provider, DynObject parameters) throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException { |
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DataStoreParameters params = toDataStoreParameters(provider, parameters); |
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DataStore store = openStore(params.getDataStoreName(), params); |
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return store;
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} |
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|
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@Override
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public FeatureStore createMemoryStore(String autoOrderAttributeName) throws InitializeException { |
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try {
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DataStoreParameters parameters = createMemoryStoreParameters(autoOrderAttributeName); |
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DataStore store = openStore(MemoryStoreProvider.NAME, parameters); |
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return (FeatureStore) store;
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} catch (Exception ex) { |
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throw new InitializeException(ex); |
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} |
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} |
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|
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@Override
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public DataStoreProviderFactory getStoreProviderFactory(String providerName) { |
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DataFactory providerFactory = this.getStoreProviderRegister().getFactory(providerName);
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return (DataStoreProviderFactory) providerFactory;
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} |
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|
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@Override
|
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public List<String> getStoreProviders() { |
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return this.getStoreProviderRegister().getFactoryNames(); |
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} |
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|
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@Override
|
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public List<String> getStoreProviders(String explorerName) { |
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try {
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DataServerExplorer explorer = openServerExplorer(explorerName, null);
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List names = explorer.getDataStoreProviderNames();
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return names;
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} catch (Exception ex) { |
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throw new RuntimeException("Can't get stores availables for explorer '" + explorerName + "'.", ex); |
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} |
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} |
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|
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@Override
|
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public List<String> getExplorerProviders() { |
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List<String> names = this.getServerExplorerRegister().getFactoryNames(); |
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return names;
|
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} |
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|
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@Override
|
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public DataStoreProvider createProvider(DataStoreProviderServices providerServices, DataStoreParameters parameters) throws InitializeException, ProviderNotRegisteredException { |
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|
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String providerName = parameters.getDataStoreName();
|
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DataFactory providerFactory = this.getStoreProviderRegister().getFactory(providerName);
|
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if (providerFactory == null) { |
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throw new ProviderNotRegisteredException(providerName); |
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} |
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while (true) { |
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try {
|
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DataStoreProvider provider = (DataStoreProvider) providerFactory.create( |
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parameters, providerServices |
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); |
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return provider;
|
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} catch (Exception e) { |
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if (openErrorHandler == null) { |
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throw new InitializeException(providerName, e); |
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} |
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boolean retry = openErrorHandler.canRetryOpen(e, parameters);
|
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if (!retry) {
|
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throw new InitializeException(providerName, e); |
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} |
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} |
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} |
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} |
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|
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@Override
|
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public List<String> getFeatureIndexProviders() { |
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List<String> names = this.getFeatureIndexRegister().getFactoryNames(); |
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return names;
|
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} |
411 |
|
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@Override
|
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public void setDefaultFeatureIndexProviderName(int dataType, String name) { |
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this.defaultDataIndexProviders.put(dataType, name);
|
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} |
416 |
|
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@Override
|
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public String getDefaultFeatureIndexProviderName(int dataType) { |
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return this.defaultDataIndexProviders.get(dataType); |
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} |
421 |
|
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@Override
|
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public FeatureIndexProviderServices createFeatureIndexProvider(
|
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String name,
|
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FeatureStore store, |
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FeatureType type, |
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String indexName,
|
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FeatureAttributeDescriptor attr |
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) throws InitializeException, ProviderNotRegisteredException {
|
430 |
|
431 |
if (name == null) { |
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name = getDefaultFeatureIndexProviderName(attr.getType()); |
433 |
} |
434 |
|
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if (name == null) { |
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throw new InitializeException( |
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"There not any index provider registered.", null); |
438 |
} |
439 |
DataFactory indexfactory = this.getFeatureIndexRegister().getFactory(name);
|
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if (indexfactory == null) { |
441 |
throw new InitializeException( |
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"There not any index provider registered with name '" + name + "'.", null); |
443 |
|
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} |
445 |
FeatureIndexProvider provider = (FeatureIndexProvider) indexfactory.create(null, null); |
446 |
|
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FeatureIndexProviderServices services = new DefaultFeatureIndex(
|
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(FeatureStoreProviderServices) store, |
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type, |
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provider, |
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attr.getName(), |
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indexName |
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); |
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services.initialize(); |
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return services;
|
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|
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} |
458 |
|
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@Override
|
460 |
public String getTemporaryDirectory() { |
461 |
// FIXME Define a better tempdir solution
|
462 |
String tmp = System.getProperty("TMP"); |
463 |
if (tmp == null) { |
464 |
tmp = System.getProperty("TEMP"); |
465 |
} |
466 |
if (tmp == null) { |
467 |
File tmp_file = new File(System.getProperty("HOME"), "_daltmp_"); |
468 |
int i = 1; |
469 |
while (!tmp_file.exists() || !tmp_file.isDirectory()) {
|
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tmp_file = new File(tmp_file.getAbsolutePath() + i); |
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i++; |
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} |
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if (!tmp_file.exists()) {
|
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tmp_file.mkdir(); |
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} |
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tmp = tmp_file.getAbsolutePath(); |
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} |
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return tmp;
|
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} |
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|
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@Override
|
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public DataStoreParameters createStoreParameters(DynStruct struct) throws InitializeException, ProviderNotRegisteredException { |
483 |
if (!(struct instanceof DynStruct_v2)) { |
484 |
throw new IllegalArgumentException("A DynStruct_v2 is required."); |
485 |
} |
486 |
Tags tags = ((DynStruct_v2) struct).getTags(); |
487 |
return this.createStoreParameters(tags); |
488 |
} |
489 |
|
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@Override
|
491 |
public DataStoreParameters createStoreParameters(Tags tags) throws InitializeException, ProviderNotRegisteredException { |
492 |
String providerName = (String) tags.get(TAG_DAL_OPENSTORE + "provider"); |
493 |
if (providerName == null) { |
494 |
throw new IllegalArgumentException("Tag DAL.OpenStore.provider is missing in struct."); |
495 |
} |
496 |
int prefixlen = TAG_DAL_OPENSTORE.length();
|
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DataStoreParameters parameters = this.createStoreParameters(providerName);
|
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for (String key : tags) { |
499 |
if (key.startsWith(TAG_DAL_OPENSTORE)) {
|
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parameters.setDynValue(key.substring(prefixlen), tags.get(key)); |
501 |
} |
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} |
503 |
return parameters;
|
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} |
505 |
|
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@Override
|
507 |
public DataStore openStore(DynStruct struct) throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException { |
508 |
DataStoreParameters paramters = this.createStoreParameters(struct);
|
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DataStore store = this.openStore(paramters.getDataStoreName(), paramters);
|
510 |
return store;
|
511 |
} |
512 |
|
513 |
@Override
|
514 |
public void newStore(String explorerName, String providerName, NewDataStoreParameters parameters, boolean overwrite) throws InitializeException, ProviderNotRegisteredException, ValidateDataParametersException { |
515 |
|
516 |
SimpleIdentityManager identityManager = ToolsLocator.getIdentityManager(); |
517 |
if (!identityManager.getCurrentIdentity().isAuthorized(CREATE_STORE_AUTHORIZATION, parameters, providerName)) {
|
518 |
throw new UnauthorizedException(CREATE_STORE_AUTHORIZATION, parameters, providerName); |
519 |
} |
520 |
parameters.validate(); |
521 |
try {
|
522 |
DataServerExplorerParameters explorerParameters = this.createServerExplorerParameters(explorerName);
|
523 |
DataServerExplorer server = this.openServerExplorer(explorerName, explorerParameters);
|
524 |
server.add(providerName, parameters, overwrite); |
525 |
} catch (Exception e) { |
526 |
throw new InitializeException(e); |
527 |
} |
528 |
} |
529 |
|
530 |
@Override
|
531 |
public void registerDefaultEvaluator(Class evaluatorClass) { |
532 |
if (!Evaluator.class.isAssignableFrom(evaluatorClass)) {
|
533 |
throw new ClassCastException(); |
534 |
} |
535 |
this.defaultEvaluatorClass = evaluatorClass;
|
536 |
} |
537 |
|
538 |
@Override
|
539 |
public Evaluator createExpresion(String expression) throws InitializeException { |
540 |
try {
|
541 |
Evaluator eval = (Evaluator) this.defaultEvaluatorClass.
|
542 |
getConstructor(String.class).newInstance(expression);
|
543 |
return eval;
|
544 |
} catch (Exception ex) { |
545 |
throw new InitializeException(ex); |
546 |
} |
547 |
} |
548 |
|
549 |
@Override
|
550 |
public FeaturePagingHelper createFeaturePagingHelper(
|
551 |
FeatureStore featureStore, int pageSize) throws BaseException { |
552 |
return new FeaturePagingHelperImpl(featureStore, pageSize); |
553 |
} |
554 |
|
555 |
@Override
|
556 |
public FeaturePagingHelper createFeaturePagingHelper(
|
557 |
FeatureStore featureStore, FeatureQuery featureQuery, int pageSize)
|
558 |
throws BaseException {
|
559 |
return new FeaturePagingHelperImpl(featureStore, featureQuery, pageSize); |
560 |
} |
561 |
|
562 |
@Override
|
563 |
public void setOpenErrorHandler(OpenErrorHandler handler) { |
564 |
openErrorHandler = handler; |
565 |
} |
566 |
|
567 |
@Override
|
568 |
public OpenErrorHandler getOpenErrorHandler() {
|
569 |
return this.openErrorHandler; |
570 |
} |
571 |
|
572 |
@Override
|
573 |
public EditableFeatureType createFeatureType() {
|
574 |
return new DefaultEditableFeatureType(); |
575 |
} |
576 |
|
577 |
@Override
|
578 |
public DataServerExplorerPool getDataServerExplorerPool() {
|
579 |
if (this.dataServerExplorerPool == null) { |
580 |
this.dataServerExplorerPool = new DefaultDataServerExplorerPool(); |
581 |
} |
582 |
return this.dataServerExplorerPool; |
583 |
} |
584 |
|
585 |
@Override
|
586 |
public void setDataServerExplorerPool(DataServerExplorerPool pool) { |
587 |
this.dataServerExplorerPool = pool;
|
588 |
} |
589 |
|
590 |
public DataStoreParameters toDataStoreParameters(String provider, DynObject params) throws InitializeException, ProviderNotRegisteredException { |
591 |
if (params instanceof DataStoreParameters) { |
592 |
return (DataStoreParameters) params;
|
593 |
} |
594 |
String providerName;
|
595 |
try {
|
596 |
providerName = (String) params.getDynValue(DataStoreProviderServices.PROVIDER_PARAMTER_NAME);
|
597 |
} catch (Exception ex) { |
598 |
providerName = provider; |
599 |
} |
600 |
DataStoreParameters parameters = this.createStoreParameters(providerName);
|
601 |
ToolsLocator.getDynObjectManager().copy(params, parameters); |
602 |
return parameters;
|
603 |
} |
604 |
|
605 |
@Override
|
606 |
public List<DataType> getDataTypes() { |
607 |
if (dataTypes == null) { |
608 |
DataTypesManager manager = ToolsLocator.getDataTypesManager(); |
609 |
dataTypes = new ArrayList<>(); |
610 |
dataTypes.add(manager.get(DataTypes.STRING)); |
611 |
dataTypes.add(manager.get(DataTypes.BOOLEAN)); |
612 |
dataTypes.add(manager.get(DataTypes.INT)); |
613 |
dataTypes.add(manager.get(DataTypes.DOUBLE)); |
614 |
dataTypes.add(manager.get(DataTypes.DATE)); |
615 |
dataTypes.add(manager.get(DataTypes.GEOMETRY)); |
616 |
} |
617 |
return dataTypes;
|
618 |
} |
619 |
|
620 |
@Override
|
621 |
public void setResourcesLoader(ClassLoader loader) { |
622 |
this.resourcesLoader = loader;
|
623 |
} |
624 |
|
625 |
@Override
|
626 |
public void setResourcesLoader(File folder) { |
627 |
if (folder == null) { |
628 |
this.resourcesLoader = null; |
629 |
return;
|
630 |
} |
631 |
try {
|
632 |
URL[] urls = new URL[]{folder.toURI().toURL()}; |
633 |
this.resourcesLoader = new URLClassLoader(urls); |
634 |
} catch (Exception ex) { |
635 |
throw new IllegalArgumentException("Can't create a ClassLoader from '" + folder.toString() + "'.", ex); |
636 |
} |
637 |
} |
638 |
|
639 |
@Override
|
640 |
public URL getResource(Object reourceLoader, String name) { |
641 |
URL x;
|
642 |
if (this.resourcesLoader != null) { |
643 |
x = this.resourcesLoader.getResource(name);
|
644 |
if (x != null) { |
645 |
return x;
|
646 |
} |
647 |
} |
648 |
x = reourceLoader.getClass().getResource(name); |
649 |
return x;
|
650 |
} |
651 |
|
652 |
@Override
|
653 |
public InputStream getResourceAsStream(Object reourceLoader, String name) { |
654 |
InputStream x;
|
655 |
if (this.resourcesLoader != null) { |
656 |
x = this.resourcesLoader.getResourceAsStream(name);
|
657 |
if (x != null) { |
658 |
return x;
|
659 |
} |
660 |
} |
661 |
x = reourceLoader.getClass().getResourceAsStream(name); |
662 |
return x;
|
663 |
} |
664 |
|
665 |
@Override
|
666 |
public ExpressionBuilder createExpressionBuilder() {
|
667 |
return new ExpressionBuilderBase(); |
668 |
} |
669 |
} |