root / trunk / org.gvsig.postgresql / org.gvsig.postgresql.provider / src / main / java / org / gvsig / fmap / dal / store / postgresql / PostgreSQLHelper.java @ 64
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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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/**
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*
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*/
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package org.gvsig.fmap.dal.store.postgresql; |
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import java.sql.Connection; |
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import java.sql.PreparedStatement; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.ArrayList; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Properties; |
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import java.util.TreeMap; |
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import java.util.TreeSet; |
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import org.cresques.cts.IProjection; |
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import org.postgresql.PGResultSetMetaData; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.NewDataStoreParameters; |
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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.WriteException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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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.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.CreateGeometryException; |
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import org.gvsig.fmap.dal.feature.exception.UnsupportedDataTypeException; |
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import org.gvsig.fmap.dal.resource.ResourceAction; |
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import org.gvsig.fmap.dal.resource.spi.ResourceManagerProviderServices; |
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import org.gvsig.fmap.dal.store.jdbc.ConnectionAction; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCHelperUser; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
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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.primitive.Envelope; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.exception.BaseException; |
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/**
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* @author jmvivo
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*
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*/
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public class PostgreSQLHelper extends JDBCHelper { |
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private static Logger logger = LoggerFactory |
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.getLogger(PostgreSQLHelper.class); |
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private Map pgSR2SRSID = new TreeMap(); |
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private Map srsID2pgSR = new TreeMap(); |
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private static Properties beforePostgis13 = null; |
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private int[] postGISVersion = { 0,0,0 }; |
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private boolean versionSet = false; |
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PostgreSQLHelper(JDBCHelperUser consumer, |
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PostgreSQLConnectionParameters params) |
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throws InitializeException {
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super(consumer, params);
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} |
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protected void initializeResource() throws InitializeException { |
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ResourceManagerProviderServices manager = (ResourceManagerProviderServices) DALLocator |
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.getResourceManager(); |
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PostgreSQLResource resource = (PostgreSQLResource) manager |
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.createAddResource( |
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PostgreSQLResource.NAME, new Object[] { |
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params.getUrl(), params.getHost(), |
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params.getPort(), params.getDBName(), params.getUser(), |
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params.getPassword(), |
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params.getJDBCDriverClassName(), |
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((PostgreSQLConnectionParameters) params).getUseSSL() }); |
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this.setResource(resource);
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} |
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protected String getDefaultSchema(Connection conn) |
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throws JDBCException {
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if (defaultSchema == null) { |
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String sql = "Select current_schema()"; |
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ResultSet rs = null; |
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Statement st = null; |
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String schema = null; |
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try {
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st = conn.createStatement(); |
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try {
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rs = JDBCHelper.executeQuery(st, sql); |
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} catch (java.sql.SQLException e) {
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throw new JDBCExecuteSQLException(sql, e); |
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} |
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rs.next(); |
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schema = rs.getString(1);
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} catch (java.sql.SQLException e) {
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throw new JDBCSQLException(e); |
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} finally {
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try {rs.close();} catch (Exception e) {logger.error("Exception clossing resulset", e);}; |
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try {st.close();} catch (Exception e) {logger.error("Exception clossing statement", e);}; |
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rs = null;
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st = null;
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} |
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defaultSchema = schema; |
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} |
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return defaultSchema;
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} |
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public Envelope getFullEnvelopeOfField(
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JDBCStoreParameters storeParams, |
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String geometryAttrName, Envelope limit)
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throws DataException {
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StringBuilder strb = new StringBuilder(); |
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strb.append("Select " + getFunctionName("ST_AsBinary") + "(" |
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+ getFunctionName("ST_Extent") + "("); |
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strb.append(escapeFieldName(geometryAttrName)); |
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strb.append(")) from ");
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if (storeParams.getSQL() != null |
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&& storeParams.getSQL().trim().length() > 0) {
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strb.append('(');
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strb.append(storeParams.getSQL()); |
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strb.append(") as _subquery_alias_ ");
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} else {
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strb.append(storeParams.tableID()); |
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} |
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if (limit != null || (storeParams.getBaseFilter() != null |
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&& storeParams.getBaseFilter().trim().length() > 0)) {
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strb.append(" where ");
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if (limit != null) { |
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strb.append(" ( " + getFunctionName("ST_Intersects") + "(" |
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+ getFunctionName("ST_GeomFromText") + "('"); |
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String workAreaWkt = null; |
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try {
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workAreaWkt = limit.getGeometry().convertToWKT(); |
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} catch (Exception e) { |
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throw new CreateGeometryException(e); |
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} |
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strb.append(workAreaWkt); |
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strb.append("', ");
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IProjection proj = storeParams.getCRS(); |
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int sridInt = this.getProviderSRID(proj); |
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if (sridInt == -1) { |
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throw new CreateGeometryException( |
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new Exception("CRS is null or unknown.")); |
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} else {
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strb.append(Integer.toString(sridInt));
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} |
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strb.append("), " + getFunctionName("ST_Envelope") + "("); |
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strb.append(escapeFieldName(geometryAttrName)); |
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strb.append(")) ) ");
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} |
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if (storeParams.getBaseFilter() != null && storeParams.getBaseFilter().trim().length() > 0) { |
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if (limit != null) { |
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strb.append(" and ");
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} |
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strb.append(" ( ");
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strb.append(storeParams.getBaseFilter()); |
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strb.append(" ) ");
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} |
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} |
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final String sql = strb.toString(); |
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this.open();
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return (Envelope) getResource().execute(new ResourceAction() { |
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public String toString() { |
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return "getEnvelope"; |
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} |
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public Object run() throws Exception { |
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ResultSet rs = null; |
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Statement st = null; |
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Connection conn = null; |
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Envelope fullEnvelope = null;
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Envelope emptyEnv |
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= geomManager.createEnvelope(Geometry.SUBTYPES.GEOM2D); |
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try {
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conn = getConnection(); |
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st = conn.createStatement(); |
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try {
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rs = JDBCHelper.executeQuery(st, sql); |
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} catch (java.sql.SQLException e) {
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throw new JDBCExecuteSQLException(sql, e); |
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} |
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if (!rs.next()) {
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return emptyEnv;
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} |
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byte[] data = rs.getBytes(1); |
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if (data == null) { |
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return emptyEnv;
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} |
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Geometry geom = geomManager.createFrom(data); |
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fullEnvelope = geom.getEnvelope(); |
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return fullEnvelope;
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} catch (java.sql.SQLException e) {
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throw new JDBCSQLException(e); |
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} catch (BaseException e) {
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throw new ReadException(user.getProviderName(), e); |
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} finally {
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try {
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rs.close(); |
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} catch (Exception e) { |
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} |
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try {
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st.close(); |
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} catch (Exception e) { |
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} |
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try {
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conn.close(); |
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} catch (Exception e) { |
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} |
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rs = null;
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st = null;
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conn = null;
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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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protected boolean supportsGeometry() { |
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return true; |
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} |
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/**
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* Fill <code>featureType</code> geometry attributes with SRS and ShapeType
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* information stored in the table GEOMETRY_COLUMNS
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*
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* @param conn
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* @param rsMetadata
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* @param featureType
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* @throws ReadException
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*/
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protected void loadSRS_and_shapeType(Connection conn, |
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ResultSetMetaData rsMetadata, EditableFeatureType featureType,
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String baseSchema, String baseTable) |
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throws JDBCException {
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Statement st = null; |
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ResultSet rs = null; |
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try {
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// Sacamos la lista de los attributos geometricos
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EditableFeatureAttributeDescriptor attr; |
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List geoAttrs = new ArrayList(); |
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Iterator iter = featureType.iterator();
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while (iter.hasNext()) {
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attr = (EditableFeatureAttributeDescriptor) iter.next(); |
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if (attr.getType() == DataTypes.GEOMETRY) {
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geoAttrs.add(attr); |
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} |
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} |
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if (geoAttrs.size() < 1) { |
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return;
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} |
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// preparamos un set con las lista de tablas de origen
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// de los campos
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class TableId { |
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public String schema=null; |
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public String table=null; |
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public String field = null; |
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public void appendToSQL(StringBuilder strb) { |
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if (schema == null || schema.length() == 0) { |
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strb |
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.append("( F_TABLE_SCHEMA = current_schema() AND F_TABLE_NAME = '");
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} else {
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strb.append("( F_TABLE_SCHEMA = '");
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strb.append(schema); |
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strb.append("' AND F_TABLE_NAME = '");
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} |
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strb.append(table); |
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strb.append("' AND F_GEOMETRY_COLUMN = '");
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strb.append(field); |
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strb.append("' )");
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} |
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} |
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Comparator cmp = new Comparator(){ |
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public int compare(Object arg0, Object arg1) { |
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TableId a0 = (TableId) arg0; |
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TableId a1 = (TableId) arg1; |
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int aux = a0.field.compareTo(a1.field);
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if (aux != 0) { |
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return aux;
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} |
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aux = a0.table.compareTo(a1.table); |
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if (aux != 0) { |
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return aux;
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} |
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if (a0.schema == null) { |
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if (a1.schema == null) { |
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aux = 0;
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} else {
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aux = -1;
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} |
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} else {
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if (a1.schema == null) { |
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aux = -1;
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} else {
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aux = a0.schema.compareTo(a1.schema); |
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} |
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} |
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return aux;
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} |
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}; |
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TreeSet set = new TreeSet(cmp); |
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TableId tableId; |
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iter = geoAttrs.iterator(); |
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int rsIndex;
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while (iter.hasNext()) {
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attr = (EditableFeatureAttributeDescriptor) iter.next(); |
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tableId = new TableId();
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rsIndex = attr.getIndex() + 1;
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if (baseSchema == null && baseTable == null) { |
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if (rsMetadata instanceof PGResultSetMetaData) { |
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tableId.schema = ((PGResultSetMetaData) rsMetadata) |
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.getBaseSchemaName(rsIndex); |
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tableId.table = ((PGResultSetMetaData) rsMetadata) |
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.getBaseTableName(rsIndex); |
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tableId.field = ((PGResultSetMetaData) rsMetadata) |
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.getBaseColumnName(rsIndex); |
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} else {
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tableId.schema = rsMetadata.getSchemaName(rsIndex); |
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tableId.table = rsMetadata.getTableName(rsIndex); |
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tableId.field = rsMetadata.getColumnName(rsIndex); |
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} |
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} else {
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tableId.schema = baseSchema; |
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tableId.table = baseTable; |
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tableId.field = rsMetadata.getColumnName(rsIndex); |
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} |
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if (tableId.table == null || tableId.table.length() == 0) { |
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// Si no tiene tabla origen (viene de algun calculo por ej.)
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// lo saltamos ya que no estara en la tabla GEOMETRY_COLUMNS
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continue;
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} |
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set.add(tableId); |
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} |
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if (set.size() == 0) { |
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return;
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} |
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// Preparamos una sql para que nos saque el resultado
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StringBuilder strb = new StringBuilder(); |
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strb.append("Select geometry_columns.*,auth_name || ':' || auth_srid as SRSID ");
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strb.append("from geometry_columns left join spatial_ref_sys on ");
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strb.append("geometry_columns.srid = spatial_ref_sys.srid WHERE ");
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iter = set.iterator(); |
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for (int i=0;i<set.size()-1;i++) { |
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tableId = (TableId) iter.next(); |
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tableId.appendToSQL(strb); |
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strb.append(" OR ");
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} |
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tableId = (TableId) iter.next(); |
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tableId.appendToSQL(strb); |
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String sql = strb.toString();
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st = conn.createStatement(); |
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try {
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rs = JDBCHelper.executeQuery(st,sql); |
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} catch (SQLException e) { |
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throw new JDBCExecuteSQLException(sql, e); |
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} |
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String srsID;
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int pgSrid;
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int geometryType;
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int geometrySubtype;
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String geomTypeStr;
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int dimensions;
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IProjection srs; |
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while (rs.next()){
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srsID = rs.getString("SRSID");
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pgSrid = rs.getInt("SRID");
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geomTypeStr = rs.getString("TYPE").toUpperCase();
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geometryType = Geometry.TYPES.GEOMETRY; |
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if (geomTypeStr.startsWith("POINT")) { |
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geometryType = Geometry.TYPES.POINT; |
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} else if (geomTypeStr.startsWith("LINESTRING")) { |
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geometryType = Geometry.TYPES.CURVE; |
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} else if (geomTypeStr.startsWith("POLYGON")) { |
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geometryType = Geometry.TYPES.SURFACE; |
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} else if (geomTypeStr.startsWith("MULTIPOINT")) { |
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geometryType = Geometry.TYPES.MULTIPOINT; |
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} else if (geomTypeStr.startsWith("MULTILINESTRING")) { |
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geometryType = Geometry.TYPES.MULTICURVE; |
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} else if (geomTypeStr.startsWith("MULTIPOLYGON")) { |
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geometryType = Geometry.TYPES.MULTISURFACE; |
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} |
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dimensions = rs.getInt("coord_dimension");
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geometrySubtype = Geometry.SUBTYPES.GEOM2D; |
| 459 |
if (dimensions > 2) { |
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if (dimensions == 3) { |
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if (geomTypeStr.endsWith("M")) { |
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geometrySubtype = Geometry.SUBTYPES.GEOM2DM; |
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} else {
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geometrySubtype = Geometry.SUBTYPES.GEOM3D; |
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} |
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} else {
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geometrySubtype = Geometry.SUBTYPES.GEOM3DM; |
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} |
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} |
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addToPgSRToSRSID(pgSrid, srsID); |
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|
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iter = geoAttrs.iterator(); |
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while (iter.hasNext()) {
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attr = (EditableFeatureAttributeDescriptor) iter.next(); |
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rsIndex = attr.getIndex() + 1;
|
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if (!rsMetadata.getColumnName(rsIndex).equals(
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rs.getString("f_geometry_column"))) {
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continue;
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} |
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|
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if (baseSchema == null && baseTable == null) { |
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|
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if (rsMetadata instanceof PGResultSetMetaData) { |
| 486 |
if (!((PGResultSetMetaData) rsMetadata)
|
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.getBaseTableName(rsIndex).equals( |
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rs.getString("f_table_name"))) {
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continue;
|
| 490 |
} |
| 491 |
String curSchema = rs.getString("f_table_schema"); |
| 492 |
String metaSchema = ((PGResultSetMetaData) rsMetadata)
|
| 493 |
.getBaseSchemaName(rsIndex); |
| 494 |
if (!metaSchema.equals(curSchema)) {
|
| 495 |
if (metaSchema.length() == 0 |
| 496 |
&& metaSchema == getDefaultSchema(conn)) {
|
| 497 |
} else {
|
| 498 |
continue;
|
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
} else {
|
| 503 |
|
| 504 |
if (!rsMetadata.getTableName(rsIndex).equals(
|
| 505 |
rs.getString("f_table_name"))) {
|
| 506 |
continue;
|
| 507 |
} |
| 508 |
String curSchema = rs.getString("f_table_schema"); |
| 509 |
String metaSchema = rsMetadata
|
| 510 |
.getSchemaName(rsIndex); |
| 511 |
if (!metaSchema.equals(curSchema)) {
|
| 512 |
if (metaSchema.length() == 0 |
| 513 |
&& metaSchema == getDefaultSchema(conn)) {
|
| 514 |
} else {
|
| 515 |
continue;
|
| 516 |
} |
| 517 |
} |
| 518 |
} |
| 519 |
} |
| 520 |
attr.setGeometryType(geometryType); |
| 521 |
attr.setGeometrySubType(geometrySubtype); |
| 522 |
if (srsID != null && srsID.length() > 0) { |
| 523 |
attr.setSRS(CRSFactory.getCRS(srsID)); |
| 524 |
} |
| 525 |
iter.remove(); |
| 526 |
} |
| 527 |
iter = geoAttrs.iterator(); |
| 528 |
while (iter.hasNext()) {
|
| 529 |
attr = (EditableFeatureAttributeDescriptor) iter.next(); |
| 530 |
attr.setSRS(null);
|
| 531 |
attr.setGeometryType(Geometry.TYPES.GEOMETRY); |
| 532 |
|
| 533 |
} |
| 534 |
} |
| 535 |
|
| 536 |
} catch (java.sql.SQLException e) {
|
| 537 |
throw new JDBCSQLException(e); |
| 538 |
} finally {
|
| 539 |
try {rs.close();} catch (Exception e) { }; |
| 540 |
try {st.close();} catch (Exception e) { }; |
| 541 |
} |
| 542 |
|
| 543 |
} |
| 544 |
|
| 545 |
|
| 546 |
public String getSqlColumnTypeDescription(FeatureAttributeDescriptor attr) { |
| 547 |
if (attr.getType() == DataTypes.GEOMETRY) {
|
| 548 |
return "geometry"; |
| 549 |
} |
| 550 |
return super.getSqlColumnTypeDescription(attr); |
| 551 |
} |
| 552 |
|
| 553 |
|
| 554 |
public int getPostgisGeomDimensions(int geometrySubType) { |
| 555 |
switch (geometrySubType) {
|
| 556 |
case Geometry.SUBTYPES.GEOM2D:
|
| 557 |
return 2; |
| 558 |
case Geometry.SUBTYPES.GEOM2DM:
|
| 559 |
case Geometry.SUBTYPES.GEOM3D:
|
| 560 |
return 3; |
| 561 |
|
| 562 |
case Geometry.SUBTYPES.GEOM3DM:
|
| 563 |
return 4; |
| 564 |
default:
|
| 565 |
throw new UnsupportedDataTypeException( |
| 566 |
ToolsLocator.getDataTypesManager().getTypeName(DataTypes.GEOMETRY), |
| 567 |
DataTypes.GEOMETRY); |
| 568 |
} |
| 569 |
} |
| 570 |
|
| 571 |
public String getPostgisGeomType(int geometryType, int geometrySubType) { |
| 572 |
String pgGeomType;
|
| 573 |
switch (geometryType) {
|
| 574 |
case Geometry.TYPES.GEOMETRY:
|
| 575 |
pgGeomType = "GEOMETRY";
|
| 576 |
break;
|
| 577 |
case Geometry.TYPES.POINT:
|
| 578 |
pgGeomType = "POINT";
|
| 579 |
break;
|
| 580 |
case Geometry.TYPES.CURVE:
|
| 581 |
pgGeomType = "LINESTRING";
|
| 582 |
break;
|
| 583 |
case Geometry.TYPES.SURFACE:
|
| 584 |
pgGeomType = "POLYGON";
|
| 585 |
break;
|
| 586 |
case Geometry.TYPES.MULTIPOINT:
|
| 587 |
pgGeomType = "MULTIPOINT";
|
| 588 |
break;
|
| 589 |
case Geometry.TYPES.MULTICURVE:
|
| 590 |
pgGeomType = "MULTILINESTRING";
|
| 591 |
break;
|
| 592 |
case Geometry.TYPES.MULTISURFACE:
|
| 593 |
pgGeomType = "MULTIPOLYGON";
|
| 594 |
break;
|
| 595 |
default:
|
| 596 |
logger.warn("Can't determine PostGIS geometry type, use GEOMETRY.");
|
| 597 |
pgGeomType = "GEOMETRY";
|
| 598 |
} |
| 599 |
if (geometrySubType == Geometry.SUBTYPES.GEOM2DM
|
| 600 |
|| geometrySubType == Geometry.SUBTYPES.GEOM3DM) {
|
| 601 |
pgGeomType = pgGeomType + "M";
|
| 602 |
} /* else if (geometrySubType == Geometry.SUBTYPES.GEOM3D) {
|
| 603 |
throw new UnsupportedGeometryException(geometryType,
|
| 604 |
geometrySubType);
|
| 605 |
/
|
| 606 |
} */
|
| 607 |
return pgGeomType;
|
| 608 |
} |
| 609 |
|
| 610 |
public int getProviderSRID(String srs) { |
| 611 |
if (srs != null) { |
| 612 |
Integer pgSRID = (Integer) srsID2pgSR.get(srs); |
| 613 |
if (pgSRID != null) { |
| 614 |
return pgSRID.intValue();
|
| 615 |
} |
| 616 |
|
| 617 |
return searchpgSRID(srs);
|
| 618 |
|
| 619 |
} |
| 620 |
return -1; |
| 621 |
} |
| 622 |
|
| 623 |
|
| 624 |
public int getProviderSRID(IProjection srs) { |
| 625 |
if (srs != null) { |
| 626 |
Integer pgSRID = (Integer) srsID2pgSR.get(srs.getAbrev()); |
| 627 |
if (pgSRID != null) { |
| 628 |
return pgSRID.intValue();
|
| 629 |
} |
| 630 |
|
| 631 |
return searchpgSRID(srs);
|
| 632 |
|
| 633 |
} |
| 634 |
return -1; |
| 635 |
} |
| 636 |
|
| 637 |
private int searchpgSRID(final IProjection srs) { |
| 638 |
if (srs == null) { |
| 639 |
return -1; |
| 640 |
} |
| 641 |
return searchpgSRID(srs.getAbrev());
|
| 642 |
} |
| 643 |
|
| 644 |
private int searchpgSRID(final String srsID) { |
| 645 |
if (srsID == null) { |
| 646 |
return -1; |
| 647 |
} |
| 648 |
|
| 649 |
ConnectionAction action = new ConnectionAction(){
|
| 650 |
|
| 651 |
public Object action(Connection conn) throws DataException { |
| 652 |
|
| 653 |
String[] abrev = srsID.split(":"); |
| 654 |
StringBuilder sqlb = new StringBuilder(); |
| 655 |
sqlb.append("select srid from spatial_ref_sys where ");
|
| 656 |
if (abrev.length > 1) { |
| 657 |
sqlb.append("auth_name = ? and ");
|
| 658 |
} |
| 659 |
sqlb.append("auth_srid = ?");
|
| 660 |
|
| 661 |
String sql = sqlb.toString();
|
| 662 |
PreparedStatement st;
|
| 663 |
try {
|
| 664 |
st = conn.prepareStatement(sql); |
| 665 |
} catch (SQLException e){ |
| 666 |
throw new JDBCPreparingSQLException(sql,e); |
| 667 |
} |
| 668 |
ResultSet rs = null; |
| 669 |
try{
|
| 670 |
int i=0; |
| 671 |
if (abrev.length > 1){ |
| 672 |
st.setString(i+1, abrev[i]);
|
| 673 |
i++; |
| 674 |
} |
| 675 |
st.setInt(i + 1, Integer.parseInt(abrev[i])); |
| 676 |
|
| 677 |
try{
|
| 678 |
rs = JDBCHelper.executeQuery(st,sql); |
| 679 |
|
| 680 |
} catch (SQLException e){ |
| 681 |
throw new JDBCExecutePreparedSQLException(sql, abrev, e); |
| 682 |
} |
| 683 |
|
| 684 |
if (!rs.next()) {
|
| 685 |
return null; |
| 686 |
} |
| 687 |
|
| 688 |
return new Integer(rs.getInt(1)); |
| 689 |
|
| 690 |
} catch (SQLException e){ |
| 691 |
throw new JDBCSQLException(e); |
| 692 |
} finally{
|
| 693 |
try {rs.close(); } catch (Exception e) {}; |
| 694 |
try {st.close(); } catch (Exception e) {}; |
| 695 |
} |
| 696 |
|
| 697 |
} |
| 698 |
|
| 699 |
}; |
| 700 |
|
| 701 |
Integer pgSRSID = null; |
| 702 |
try {
|
| 703 |
pgSRSID = (Integer) doConnectionAction(action);
|
| 704 |
} catch (Exception e) { |
| 705 |
logger.error("Excetion searching pgSRS", e);
|
| 706 |
return -1; |
| 707 |
} |
| 708 |
|
| 709 |
if (pgSRSID != null) { |
| 710 |
addToPgSRToSRSID(pgSRSID.intValue(), srsID); |
| 711 |
return pgSRSID.intValue();
|
| 712 |
} |
| 713 |
return -1; |
| 714 |
|
| 715 |
} |
| 716 |
|
| 717 |
private void addToPgSRToSRSID(int pgSRID, String srsId) { |
| 718 |
if (pgSRID < 0 || srsId == null || srsId.length() == 0) { |
| 719 |
return;
|
| 720 |
} |
| 721 |
Integer pgSRIDInteger = new Integer(pgSRID); |
| 722 |
pgSR2SRSID.put(pgSRIDInteger, srsId); |
| 723 |
srsID2pgSR.put(srsId, pgSRIDInteger); |
| 724 |
} |
| 725 |
|
| 726 |
public List<String> getSqlGeometyFieldAdd(FeatureAttributeDescriptor attr, |
| 727 |
String table, String schema) { |
| 728 |
// SELECT AddGeometryColumn({schema}, {table}, {field}, {srid}(int),
|
| 729 |
// {geomType}(Str), {dimensions}(int))
|
| 730 |
|
| 731 |
// gemoType:
|
| 732 |
/*
|
| 733 |
* POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING,
|
| 734 |
* MULTIPOLYGON, GEOMETRYCOLLECTION POINTM, LINESTRINGM, POLYGONM,
|
| 735 |
* MULTIPOINTM, MULTILINESTRINGM, MULTIPOLYGONM, GEOMETRYCOLLECTIONM
|
| 736 |
*/
|
| 737 |
|
| 738 |
List<String> sqls = new ArrayList<String>(); |
| 739 |
|
| 740 |
StringBuilder strb = new StringBuilder(); |
| 741 |
strb.append("SELECT AddGeometryColumn('");
|
| 742 |
if (schema != null && schema.length() > 0) { |
| 743 |
strb.append(schema); |
| 744 |
strb.append("', '");
|
| 745 |
} |
| 746 |
strb.append(table); |
| 747 |
strb.append("', '");
|
| 748 |
strb.append(attr.getName().toLowerCase()); |
| 749 |
strb.append("', ");
|
| 750 |
// strb.append("-1");
|
| 751 |
strb.append(getProviderSRID(attr.getSRS())); |
| 752 |
strb.append(", '");
|
| 753 |
|
| 754 |
// ===========================================================================
|
| 755 |
// TODO Improve this. Keep in mind that MULTIPOLYGON will not accept POLYGON
|
| 756 |
// strb.append("GEOMETRY");
|
| 757 |
|
| 758 |
strb.append( getPostgisGeomType( |
| 759 |
attr.getGeometryType(), |
| 760 |
attr |
| 761 |
.getGeometrySubType() |
| 762 |
) |
| 763 |
); |
| 764 |
// ===========================================================================
|
| 765 |
strb.append("', ");
|
| 766 |
strb.append(getPostgisGeomDimensions(attr.getGeometrySubType())); |
| 767 |
strb.append(")");
|
| 768 |
|
| 769 |
|
| 770 |
sqls.add(strb.toString()); |
| 771 |
|
| 772 |
/*ALTER TABLE muni10000_peq_test DROP CONSTRAINT enforce_srid_the_geom;*/
|
| 773 |
/*
|
| 774 |
strb = new StringBuilder();
|
| 775 |
strb.append("Alter table ");
|
| 776 |
if (schema != null && schema.length() > 0) {
|
| 777 |
strb.append(schema);
|
| 778 |
strb.append(".");
|
| 779 |
}
|
| 780 |
strb.append("f_table_name = '");
|
| 781 |
strb.append(table);
|
| 782 |
strb.append("' AND f_geometry_column = '");
|
| 783 |
strb.append(attr.getName());
|
| 784 |
strb.append("' AND srid = -1");
|
| 785 |
|
| 786 |
|
| 787 |
sqls.add(strb.toString());
|
| 788 |
*/
|
| 789 |
return sqls;
|
| 790 |
} |
| 791 |
|
| 792 |
public String getSqlFieldName(FeatureAttributeDescriptor attribute) { |
| 793 |
if (attribute.getType() == DataTypes.GEOMETRY) {
|
| 794 |
return getFunctionName("ST_AsBinary") + "(" |
| 795 |
+ super.getSqlFieldName(attribute) + ")"; |
| 796 |
} |
| 797 |
return super.getSqlFieldName(attribute); |
| 798 |
} |
| 799 |
|
| 800 |
protected EditableFeatureAttributeDescriptor createAttributeFromJDBC(
|
| 801 |
EditableFeatureType type, Connection conn,
|
| 802 |
ResultSetMetaData rsMetadata, int colIndex) throws SQLException { |
| 803 |
if (rsMetadata.getColumnType(colIndex) == java.sql.Types.OTHER) {
|
| 804 |
if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase(
|
| 805 |
"geometry")) {
|
| 806 |
EditableFeatureAttributeDescriptor attr = type.add(rsMetadata.getColumnName(colIndex), |
| 807 |
DataTypes.GEOMETRY); |
| 808 |
// Set default values for geometry type
|
| 809 |
attr.setGeometryType(Geometry.TYPES.GEOMETRY); |
| 810 |
attr.setGeometrySubType(Geometry.SUBTYPES.GEOM2D); |
| 811 |
return attr;
|
| 812 |
|
| 813 |
} |
| 814 |
} |
| 815 |
|
| 816 |
return super.createAttributeFromJDBC(type, conn, rsMetadata, colIndex); |
| 817 |
} |
| 818 |
|
| 819 |
public List getAdditionalSqlToCreate(NewDataStoreParameters ndsp, |
| 820 |
FeatureType fType) {
|
| 821 |
FeatureAttributeDescriptor attr; |
| 822 |
Iterator iter = fType.iterator();
|
| 823 |
List result = new ArrayList(); |
| 824 |
PostgreSQLNewStoreParameters pgNdsp = (PostgreSQLNewStoreParameters) ndsp; |
| 825 |
while (iter.hasNext()){
|
| 826 |
attr = (FeatureAttributeDescriptor) iter.next(); |
| 827 |
if (attr.getType() == DataTypes.GEOMETRY){
|
| 828 |
result.addAll(getSqlGeometyFieldAdd(attr, pgNdsp.getTable(), |
| 829 |
pgNdsp |
| 830 |
.getSchema())); |
| 831 |
} |
| 832 |
} |
| 833 |
|
| 834 |
return result;
|
| 835 |
} |
| 836 |
|
| 837 |
public String getSqlFieldDescription(FeatureAttributeDescriptor attr) |
| 838 |
throws DataException {
|
| 839 |
if (attr.getType() == DataTypes.GEOMETRY){
|
| 840 |
return null; |
| 841 |
} |
| 842 |
return super.getSqlFieldDescription(attr); |
| 843 |
} |
| 844 |
|
| 845 |
|
| 846 |
public boolean allowAutomaticValues() { |
| 847 |
return Boolean.TRUE; |
| 848 |
} |
| 849 |
|
| 850 |
public boolean supportOffset() { |
| 851 |
return true; |
| 852 |
} |
| 853 |
|
| 854 |
public boolean supportsUnion() { |
| 855 |
return true; |
| 856 |
} |
| 857 |
|
| 858 |
public String escapeFieldName(String field) { |
| 859 |
/*
|
| 860 |
if (!reservedWord(field) &&
|
| 861 |
field.matches("[a-z][a-z0-9_]*")) {
|
| 862 |
return field;
|
| 863 |
}
|
| 864 |
*/
|
| 865 |
String quote = getIdentifierQuoteString();
|
| 866 |
return quote + field + quote;
|
| 867 |
} |
| 868 |
|
| 869 |
protected EditableFeatureAttributeDescriptor createAttributeFromJDBCNativeType(
|
| 870 |
EditableFeatureType fType, ResultSetMetaData rsMetadata, int colIndex) |
| 871 |
throws SQLException { |
| 872 |
|
| 873 |
EditableFeatureAttributeDescriptor column; |
| 874 |
|
| 875 |
String nativeType = rsMetadata.getColumnTypeName(colIndex);
|
| 876 |
|
| 877 |
if (nativeType.startsWith("int")) { |
| 878 |
column = fType.add(rsMetadata.getColumnName(colIndex), |
| 879 |
DataTypes.INT); |
| 880 |
column.setAdditionalInfo("SQLType", new Integer(rsMetadata |
| 881 |
.getColumnType(colIndex))); |
| 882 |
column.setAdditionalInfo("SQLTypeName", rsMetadata
|
| 883 |
.getColumnTypeName(colIndex)); |
| 884 |
return column;
|
| 885 |
} |
| 886 |
return super.createAttributeFromJDBCNativeType(fType, rsMetadata, colIndex); |
| 887 |
} |
| 888 |
|
| 889 |
public Object dalValueToJDBC( |
| 890 |
FeatureAttributeDescriptor attributeDescriptor, Object object)
|
| 891 |
throws WriteException {
|
| 892 |
if ("int2".equals(attributeDescriptor.getAdditionalInfo("SQLTypeName"))) { |
| 893 |
return new Short(String.valueOf(object)); |
| 894 |
} |
| 895 |
|
| 896 |
return super.dalValueToJDBC(attributeDescriptor, object); |
| 897 |
} |
| 898 |
|
| 899 |
// =======================================
|
| 900 |
|
| 901 |
|
| 902 |
public String getFunctionName(String newFuncName) { |
| 903 |
|
| 904 |
if (!versionSet) {
|
| 905 |
postGISVersion = getPostgisVersion(); |
| 906 |
versionSet = true;
|
| 907 |
} |
| 908 |
return getFunctionNameForVersion(newFuncName, postGISVersion);
|
| 909 |
} |
| 910 |
|
| 911 |
private String getFunctionNameForVersion(String newFuncName, int[] pv) { |
| 912 |
|
| 913 |
if (newFuncName == null || pv == null) { |
| 914 |
return newFuncName;
|
| 915 |
} |
| 916 |
|
| 917 |
if (pv.length < 2) { |
| 918 |
// cannot compare
|
| 919 |
return newFuncName;
|
| 920 |
} |
| 921 |
|
| 922 |
if (pv[0] > 1) { |
| 923 |
return newFuncName;
|
| 924 |
} |
| 925 |
|
| 926 |
if (pv[0] == 1 && pv[1] >= 3) { |
| 927 |
return newFuncName;
|
| 928 |
} |
| 929 |
|
| 930 |
Properties pp = this.getBeforePostgis13Properties(); |
| 931 |
String k = newFuncName.toLowerCase();
|
| 932 |
String v = pp.getProperty(k);
|
| 933 |
if (v == null) { |
| 934 |
return newFuncName;
|
| 935 |
} else {
|
| 936 |
return v;
|
| 937 |
} |
| 938 |
} |
| 939 |
|
| 940 |
|
| 941 |
private int[] getPostgisVersion() { |
| 942 |
|
| 943 |
String sql = "SELECT PostGIS_Lib_Version()"; |
| 944 |
ResultSet rs = null; |
| 945 |
Statement st = null; |
| 946 |
String v = null; |
| 947 |
Connection conn = null; |
| 948 |
try {
|
| 949 |
conn = this.getConnection();
|
| 950 |
st = conn.createStatement(); |
| 951 |
rs = JDBCHelper.executeQuery(st,sql); |
| 952 |
rs.next(); |
| 953 |
v = rs.getString(1);
|
| 954 |
if (v == null) { |
| 955 |
throw new Exception("Returned version is NULL"); |
| 956 |
} |
| 957 |
} catch (Exception exc) { |
| 958 |
logger.error("Unable to get Postgis version: " + exc.getMessage(), exc);
|
| 959 |
return null; |
| 960 |
} finally {
|
| 961 |
try { rs.close(); } catch (Exception e) {}; |
| 962 |
try { st.close(); } catch (Exception e) {}; |
| 963 |
try { conn.close(); } catch (Exception e) {}; |
| 964 |
} |
| 965 |
|
| 966 |
String[] vv = v.split("\\."); |
| 967 |
int[] resp = new int[3]; |
| 968 |
try {
|
| 969 |
for (int i=0; i<3; i++) { |
| 970 |
resp[i] = Integer.parseInt(vv[i]);
|
| 971 |
} |
| 972 |
} catch (Exception exc) { |
| 973 |
logger.error("Unable to parse version: " + v, exc);
|
| 974 |
return null; |
| 975 |
} |
| 976 |
return resp;
|
| 977 |
} |
| 978 |
|
| 979 |
|
| 980 |
|
| 981 |
protected Properties getBeforePostgis13Properties() { |
| 982 |
if (beforePostgis13 == null) { |
| 983 |
|
| 984 |
beforePostgis13 = new Properties(); |
| 985 |
// Left side MUST be in lower case
|
| 986 |
// Right side will be used if Postgis version < 1.3
|
| 987 |
beforePostgis13.setProperty("st_intersects", "Intersects"); |
| 988 |
beforePostgis13.setProperty("st_extent", "Extent"); |
| 989 |
beforePostgis13.setProperty("st_envelope", "Envelope"); |
| 990 |
beforePostgis13.setProperty("st_asbinary", "AsBinary"); |
| 991 |
beforePostgis13.setProperty("st_geomfromtext", "GeomFromText"); |
| 992 |
beforePostgis13.setProperty("st_geomfromwkb", "GeomFromWKB"); |
| 993 |
} |
| 994 |
return beforePostgis13;
|
| 995 |
} |
| 996 |
|
| 997 |
|
| 998 |
|
| 999 |
} |