root / branches / v2_0_0_prep / extensions / org.gvsig.oracle / src / org / gvsig / fmap / dal / store / oracle / OracleStoreProvider.java @ 32213
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 Prodevelop S.L. main development
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*/
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package org.gvsig.fmap.dal.store.oracle; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.util.ArrayList; |
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import java.util.List; |
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import oracle.sql.STRUCT; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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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.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreProviderWriter; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynObjectManager; |
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import org.gvsig.tools.exception.BaseException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* Oracle Provider
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*
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* @author vsanjaime
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*
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*/
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public class OracleStoreProvider extends JDBCStoreProviderWriter { |
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public final static Logger logger = LoggerFactory |
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.getLogger(OracleStoreProvider.class); |
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public static String NAME = "Oracle"; |
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public static String DESCRIPTION = "Oracle source"; |
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private static final String DYNCLASS_NAME = "OracleStore"; |
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private static DynClass DYNCLASS = null; |
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protected static void registerDynClass() { |
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DynObjectManager dynman = ToolsLocator.getDynObjectManager(); |
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DynClass dynClass; |
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if (DYNCLASS == null) { |
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dynClass = dynman.add(DYNCLASS_NAME, DESCRIPTION); |
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dynClass.extend(dynman.get(FeatureStore.DYNCLASS_NAME)); |
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DYNCLASS = dynClass; |
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} |
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} |
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public OracleStoreProvider(OracleStoreParameters params,
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DataStoreProviderServices storeServices) throws InitializeException {
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super(params, storeServices, ToolsLocator.getDynObjectManager()
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.createDynObject(DYNCLASS)); |
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} |
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private OracleStoreParameters getOracleStoreParameters() {
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return (OracleStoreParameters) this.getParameters(); |
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} |
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protected JDBCHelper createHelper() throws InitializeException { |
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return new OracleHelper(this, getOracleStoreParameters()); |
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} |
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protected String fixFilter(String filter) { |
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if (filter == null) { |
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return null; |
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} else {
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throw new RuntimeException("Not implemented: fixFilter in OracleStoreProvider. Input was: " + filter); |
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} |
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} |
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public String getName() { |
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return NAME;
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} |
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public FeatureSetProvider createSet(FeatureQuery query,
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FeatureType featureType) throws DataException {
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return new OracleSetProvider(this, query, featureType); |
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} |
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public DataServerExplorer getExplorer() throws ReadException { |
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DataManager manager = DALLocator.getDataManager(); |
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OracleServerExplorerParameters exParams; |
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OracleStoreParameters params = getOracleStoreParameters(); |
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try {
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exParams = (OracleServerExplorerParameters) manager |
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.createServerExplorerParameters(OracleServerExplorer.NAME); |
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exParams.setUrl(params.getUrl()); |
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exParams.setHost(params.getHost()); |
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exParams.setPort(params.getPort()); |
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exParams.setDBName(params.getDBName()); |
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exParams.setUser(params.getUser()); |
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exParams.setPassword(params.getPassword()); |
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exParams.setCatalog(params.getCatalog()); |
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exParams.setSchema(params.getSchema()); |
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exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
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exParams.setUseSSL(params.getUseSSL()); |
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exParams.setOraDriverType(params.getOraDriverType()); |
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return manager.createServerExplorer(exParams);
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} catch (DataException e) {
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throw new ReadException(this.getName(), e); |
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} catch (ValidateDataParametersException e) {
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throw new ReadException(this.getName(), e); |
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} |
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} |
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public boolean allowAutomaticValues() { |
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return true; |
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} |
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public boolean hasGeometrySupport() { |
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return true; |
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} |
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protected OracleHelper getOraHelper() {
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return (OracleHelper) getHelper();
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} |
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public boolean canWriteGeometry(int geometryType, int geometrySubtype) |
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throws DataException {
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FeatureType type = getFeatureStore().getDefaultFeatureType(); |
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FeatureAttributeDescriptor geomAttr = type.getAttributeDescriptor(type |
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.getDefaultGeometryAttributeName()); |
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if (geomAttr == null) { |
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return false; |
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} |
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if (geometrySubtype != geomAttr.getGeometrySubType()) {
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return false; |
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} |
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switch (geomAttr.getGeometryType()) {
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case Geometry.TYPES.GEOMETRY:
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return true; |
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case Geometry.TYPES.MULTISURFACE:
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return geometryType == Geometry.TYPES.MULTISURFACE;
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case Geometry.TYPES.MULTIPOINT:
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return geometryType == Geometry.TYPES.MULTIPOINT;
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case Geometry.TYPES.MULTICURVE:
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return geometryType == Geometry.TYPES.MULTICURVE;
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case Geometry.TYPES.MULTISOLID:
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return geometryType == Geometry.TYPES.MULTISOLID;
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case Geometry.TYPES.SURFACE:
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return geometryType == Geometry.TYPES.SURFACE;
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case Geometry.TYPES.POINT:
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return geometryType == Geometry.TYPES.POINT;
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case Geometry.TYPES.CURVE:
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return geometryType == Geometry.TYPES.CURVE;
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case Geometry.TYPES.SOLID:
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return geometryType == Geometry.TYPES.SOLID;
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default:
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return geometryType == geomAttr.getGeometryType();
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} |
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} |
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protected void addToListFeatureValues(FeatureProvider featureProvider, |
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FeatureAttributeDescriptor attrOfList, |
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FeatureAttributeDescriptor attr, List values) throws DataException { |
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// geometry
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if (attr.getDataType() == DataTypes.GEOMETRY) {
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Geometry geom = (Geometry) featureProvider.get(attr.getIndex()); |
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STRUCT stru = OracleUtils.buildSTRUCT(geom, 0, helper.getConnection(), null, false, false, false); |
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values.add(stru); |
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} else {
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super.addToListFeatureValues(featureProvider, attrOfList, attr, values);
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} |
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} |
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protected String getSqlStatementAddField(FeatureAttributeDescriptor attr, |
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List additionalStatement) throws DataException { |
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if (attr.getDataType() == DataTypes.GEOMETRY) {
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OracleStoreParameters params = getOracleStoreParameters(); |
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additionalStatement.add(((OracleHelper) helper) |
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.getSqlGeometryFieldAdd(attr, params.getTable(), params |
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.getSchema())); |
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} |
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return super.getSqlStatementAddField(attr, additionalStatement); |
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} |
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protected String getSqlStatementDropField(FeatureAttributeDescriptor attr, |
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List additionalStatement) {
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String result = super.getSqlStatementDropField(attr, |
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additionalStatement); |
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if (attr.getDataType() == DataTypes.GEOMETRY) {
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additionalStatement.add(getSqlGeometryFieldDrop(attr)); |
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} |
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return result;
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} |
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protected List<String> getSqlStatementAlterField( |
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FeatureAttributeDescriptor attrOrg, |
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FeatureAttributeDescriptor attrTrg, List additionalStatement)
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throws DataException {
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List<String> actions = new ArrayList<String>(); |
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StringBuilder strb;
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OracleStoreParameters params = getOracleStoreParameters(); |
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// diferent column type
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if (attrOrg.getDataType() != attrTrg.getDataType()) {
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strb = new StringBuilder(); |
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strb.append("MODIFY (");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" ");
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strb.append(helper.getSqlColumnTypeDescription(attrTrg)); |
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strb.append(")");
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if (attrOrg.getDataType() == DataTypes.GEOMETRY) {
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additionalStatement.add(getSqlGeometryFieldDrop(attrOrg)); |
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} |
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if (attrTrg.getDataType() == DataTypes.GEOMETRY) {
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additionalStatement.addAll(((OracleHelper) helper) |
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.getSqlGeometryFieldAdd(attrTrg, params.getTable(), |
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params.getSchema())); |
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} |
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actions.add(strb.toString()); |
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} |
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if (attrOrg.allowNull() != attrTrg.allowNull()) {
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strb = new StringBuilder(); |
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strb.append("MODIFY (");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" ");
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if (attrTrg.allowNull()) {
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strb.append("SET ");
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} else {
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strb.append("DROP ");
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} |
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strb.append("NOT NULL)");
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actions.add(strb.toString()); |
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} |
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if (attrOrg.getDefaultValue() != attrTrg.getDefaultValue()) {
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if (attrTrg.getDefaultValue() == null) { |
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strb = new StringBuilder(); |
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strb.append("MODIFY (");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" DROP DEFAULT)");
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actions.add(strb.toString()); |
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} else if (!attrTrg.getDefaultValue().equals( |
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attrOrg.getDefaultValue())) {
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// ALTER [ COLUMN ] column DROP DEFAULT
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strb = new StringBuilder(); |
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strb.append("MODIFY (");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" SET DEFAULT ");
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strb.append(helper.dalValueToJDBC(attrTrg, attrTrg |
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.getDefaultValue())); |
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strb.append(")");
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actions.add(strb.toString()); |
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} |
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} |
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if (attrOrg.getDataType() == attrTrg.getDataType()
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&& attrTrg.getDataType() == DataTypes.GEOMETRY) {
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// TODO Checks SRS and GeomType/Subtype
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} |
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return actions;
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} |
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private Object getSqlGeometryFieldDrop(FeatureAttributeDescriptor attr) { |
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StringBuilder strb = new StringBuilder(); |
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OracleStoreParameters params = getOracleStoreParameters(); |
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strb.append("DELETE FROM ");
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strb.append(OracleValues.USER_ORACLE_GEOMETADATA_VIEW); |
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strb.append(" WHERE ");
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strb.append(OracleValues.USER_ORACLE_GEOMETADATA_VIEW_TABLE_NAME); |
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strb.append(" = '");
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strb.append(params.getTable()); |
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strb.append("' AND ");
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strb.append(OracleValues.USER_ORACLE_GEOMETADATA_VIEW_COLUMN_NAME); |
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strb.append(" = '");
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strb.append(attr.getName()); |
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strb.append("'");
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return strb.toString();
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} |
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protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
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FeatureAttributeDescriptor attr) throws DataException {
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if (attr.getDataType() == DataTypes.GEOMETRY) {
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try {
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Object geo_str_obj = rs.getObject(attr.getIndex() + 1); |
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if (geo_str_obj == null) { |
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data.set(attr.getIndex(), OracleUtils.createNullGeometry(SUBTYPES.GEOM2D)); |
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} else {
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STRUCT geo_str = (STRUCT) geo_str_obj; |
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IProjection proj = attr.getSRS(); |
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// OracleUtils.
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Geometry geom = OracleUtils.getGeometry( |
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geo_str, |
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false,
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false,
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"",
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helper.getConnection()); |
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data.set(attr.getIndex(), geom); |
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} |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} catch (BaseException e) {
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throw new ReadException(getName(), e); |
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} |
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} else {
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try {
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data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} |
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} |
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} |
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} |