root / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / postgresql / PostgreSQLStoreProvider.java @ 33331
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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 IVER T.I {{Task}}
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*/
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package org.gvsig.fmap.dal.store.postgresql; |
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import java.util.List; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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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.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.db.DBHelper; |
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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.geom.Geometry; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class PostgreSQLStoreProvider extends JDBCStoreProviderWriter { |
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public final static Logger logger = LoggerFactory |
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.getLogger(PostgreSQLStoreProvider.class); |
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public static final String NAME = "PostgreSQL"; |
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public static final String DESCRIPTION = "PostgreSQL source"; |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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public PostgreSQLStoreProvider(PostgreSQLStoreParameters params,
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DataStoreProviderServices storeServices) |
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throws InitializeException {
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super(params, storeServices, DBHelper.newMetadataContainer(METADATA_DEFINITION_NAME));
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} |
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private PostgreSQLStoreParameters getPGParameters() {
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return (PostgreSQLStoreParameters) this.getParameters(); |
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} |
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protected JDBCHelper createHelper() throws InitializeException { |
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return new PostgreSQLHelper(this, getPGParameters()); |
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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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} |
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// Transform SRS to code
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// GeomFromText\s*\(\s*'[^']*'\s*,\s*('[^']*')\s*\)
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Pattern pattern = Pattern |
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.compile("GeomFromText\\s*\\(\\s*'[^']*'\\s*,\\s*'([^']*)'\\s*\\)");
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Matcher matcher = pattern.matcher(filter);
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StringBuilder strb = new StringBuilder(); |
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int pos = 0; |
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String srsCode;
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while (matcher.find(pos)) {
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strb.append(filter.substring(pos, matcher.start(1)));
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srsCode = matcher.group(1).trim();
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if (srsCode.startsWith("'")) { |
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srsCode = srsCode.substring(1);
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} |
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if (srsCode.endsWith("'")) { |
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srsCode = srsCode.substring(0, srsCode.length() - 1); |
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} |
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strb.append(helper.getProviderSRID(srsCode)); |
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strb.append(filter.substring(matcher.end(1), matcher.end()));
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pos = matcher.end(); |
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} |
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strb.append(filter.substring(pos)); |
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return strb.toString();
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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 PostgreSQLSetProvider(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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PostgreSQLServerExplorerParameters exParams; |
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PostgreSQLStoreParameters params = getPGParameters(); |
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try {
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exParams = (PostgreSQLServerExplorerParameters) manager |
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.createServerExplorerParameters(PostgreSQLServerExplorer.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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return manager.openServerExplorer(PostgreSQLServerExplorer.NAME, 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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// ************************************************************************************//
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// ************************************************************************************//
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protected PostgreSQLHelper getPgHelper() {
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return (PostgreSQLHelper) getHelper();
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} |
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// ************************************************************************************//
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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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|| geometryType == Geometry.TYPES.SURFACE; |
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case Geometry.TYPES.MULTIPOINT:
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return geometryType == Geometry.TYPES.MULTIPOINT
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|| geometryType == Geometry.TYPES.POINT; |
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case Geometry.TYPES.MULTICURVE:
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return geometryType == Geometry.TYPES.MULTICURVE
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|| geometryType == Geometry.TYPES.CURVE; |
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case Geometry.TYPES.MULTISOLID:
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return geometryType == Geometry.TYPES.MULTISOLID
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|| 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, |
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List<Object> values) throws DataException { |
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super.addToListFeatureValues(featureProvider, attrOfList, attr, values);
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if (attr.getType() == DataTypes.GEOMETRY) {
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values.add(helper.getProviderSRID(attr.getSRS())); |
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} |
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} |
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protected void prepareAttributeForInsert( |
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FeatureAttributeDescriptor attr, List<String> fields, List<String> values) { |
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if (attr.getType() == DataTypes.GEOMETRY) {
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fields.add(helper.escapeFieldName(attr.getName())); |
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values.add("GeomFromWKB(?,?)");
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} else {
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super.prepareAttributeForInsert(attr, fields, values);
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} |
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} |
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protected void prepareAttributeForUpdate(FeatureAttributeDescriptor attr, |
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List<String> values) { |
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if (attr.getType() == DataTypes.GEOMETRY) {
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values.add(helper.escapeFieldName(attr.getName()) |
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+ " = GeomFromWKB(?,?)");
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} else {
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super.prepareAttributeForUpdate(attr, values);
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} |
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} |
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protected String getSqlStatementAddField(FeatureAttributeDescriptor attr, |
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List<String> additionalStatement) throws DataException { |
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if (attr.getType() == DataTypes.GEOMETRY) {
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PostgreSQLStoreParameters params = getPGParameters(); |
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additionalStatement.addAll( ((PostgreSQLHelper) helper) |
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.getSqlGeometyFieldAdd(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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private String getSqlGeometyFieldDrop(FeatureAttributeDescriptor attr) { |
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StringBuilder strb = new StringBuilder(); |
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PostgreSQLStoreParameters params = getPGParameters(); |
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strb.append("Delete from geometry_columns where f_geometry_column = '");
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strb.append(attr.getName()); |
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strb.append("' and f_table_nam = '");
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strb.append(params.getTable()); |
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strb.append("' and f_table_schema = ");
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if (params.getSchema() == null || params.getSchema().length() == 0) { |
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strb.append("current_schema()");
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} else {
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strb.append("'");
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strb.append(params.getSchema()); |
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strb.append("'");
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} |
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if (params.getCatalog() != null && params.getCatalog().length() > 0) { |
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strb.append(" and f_table_catalog = '");
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strb.append(params.getCatalog()); |
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strb.append("'");
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} |
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return strb.toString();
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} |
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protected String getSqlStatementDropField(FeatureAttributeDescriptor attr, |
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List<String> additionalStatement) { |
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String result = super.getSqlStatementDropField(attr, |
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additionalStatement); |
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if (attr.getType() == DataTypes.GEOMETRY) {
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additionalStatement.add(getSqlGeometyFieldDrop(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<String> additionalStatement) |
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throws DataException {
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//
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List<String> actions = super.getSqlStatementAlterField(attrOrg, attrTrg, |
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additionalStatement); |
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PostgreSQLStoreParameters params = getPGParameters(); |
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if (attrOrg.getDataType() != attrTrg.getDataType()) {
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if (attrOrg.getType() == DataTypes.GEOMETRY) {
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additionalStatement.add(getSqlGeometyFieldDrop(attrOrg)); |
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} |
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if (attrTrg.getType() == DataTypes.GEOMETRY) {
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additionalStatement.addAll(((PostgreSQLHelper) helper) |
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.getSqlGeometyFieldAdd(attrTrg, params.getTable(), |
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params.getSchema())); |
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} |
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} |
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if (attrOrg.getDataType() == attrTrg.getDataType()
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&& attrTrg.getType() == 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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} |