root / trunk / org.gvsig.postgresql / org.gvsig.postgresql.provider / src / main / java / org / gvsig / fmap / dal / store / postgresql / PostgreSQLHelper.java @ 242
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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.DatabaseMetaData; |
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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.apache.commons.lang3.StringUtils; |
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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.JDBCNewStoreParameters; |
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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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|
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st = conn.createStatement(); |
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try {
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rs = JDBCHelper.executeQuery(st,sql); |
431 |
} 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; |
462 |
if (dimensions > 2) { |
463 |
if (dimensions == 3) { |
464 |
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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} |
469 |
|
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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); |
475 |
|
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|
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iter = geoAttrs.iterator(); |
478 |
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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} |
485 |
|
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if (baseSchema == null && baseTable == null) { |
487 |
|
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if (rsMetadata instanceof PGResultSetMetaData) { |
489 |
if (!((PGResultSetMetaData) rsMetadata)
|
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.getBaseTableName(rsIndex).equals( |
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rs.getString("f_table_name"))) {
|
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continue;
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} |
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String curSchema = rs.getString("f_table_schema"); |
495 |
String metaSchema = ((PGResultSetMetaData) rsMetadata)
|
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.getBaseSchemaName(rsIndex); |
497 |
if (!metaSchema.equals(curSchema)) {
|
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if (metaSchema.length() == 0 |
499 |
&& metaSchema == getDefaultSchema(conn)) { |
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} else {
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continue;
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} |
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} |
504 |
|
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} else {
|
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|
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if (!rsMetadata.getTableName(rsIndex).equals(
|
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rs.getString("f_table_name"))) {
|
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continue;
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} |
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String curSchema = rs.getString("f_table_schema"); |
512 |
String metaSchema = rsMetadata
|
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.getSchemaName(rsIndex); |
514 |
if (!metaSchema.equals(curSchema)) {
|
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if (metaSchema.length() == 0 |
516 |
&& metaSchema == getDefaultSchema(conn)) { |
517 |
} else {
|
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continue;
|
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} |
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} |
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} |
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} |
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attr.setGeometryType(geometryType); |
524 |
attr.setGeometrySubType(geometrySubtype); |
525 |
if (srsID != null && srsID.length() > 0) { |
526 |
attr.setSRS(CRSFactory.getCRS(srsID)); |
527 |
} |
528 |
iter.remove(); |
529 |
} |
530 |
iter = geoAttrs.iterator(); |
531 |
while (iter.hasNext()) {
|
532 |
attr = (EditableFeatureAttributeDescriptor) iter.next(); |
533 |
attr.setSRS(null);
|
534 |
attr.setGeometryType(Geometry.TYPES.GEOMETRY); |
535 |
|
536 |
} |
537 |
} |
538 |
|
539 |
} catch (java.sql.SQLException e) {
|
540 |
throw new JDBCSQLException(e); |
541 |
} finally {
|
542 |
try {rs.close();} catch (Exception e) { }; |
543 |
try {st.close();} catch (Exception e) { }; |
544 |
} |
545 |
|
546 |
} |
547 |
|
548 |
|
549 |
public String getSqlColumnTypeDescription(FeatureAttributeDescriptor attr) { |
550 |
if (attr.getType() == DataTypes.GEOMETRY) {
|
551 |
return "geometry"; |
552 |
} |
553 |
return super.getSqlColumnTypeDescription(attr); |
554 |
} |
555 |
|
556 |
|
557 |
public int getPostgisGeomDimensions(int geometrySubType) { |
558 |
switch (geometrySubType) {
|
559 |
case Geometry.SUBTYPES.GEOM2D:
|
560 |
return 2; |
561 |
case Geometry.SUBTYPES.GEOM2DM:
|
562 |
case Geometry.SUBTYPES.GEOM3D:
|
563 |
return 3; |
564 |
|
565 |
case Geometry.SUBTYPES.GEOM3DM:
|
566 |
return 4; |
567 |
default:
|
568 |
throw new UnsupportedDataTypeException( |
569 |
ToolsLocator.getDataTypesManager().getTypeName(DataTypes.GEOMETRY), |
570 |
DataTypes.GEOMETRY); |
571 |
} |
572 |
} |
573 |
|
574 |
public String getPostgisGeomType(int geometryType, int geometrySubType) { |
575 |
String pgGeomType;
|
576 |
switch (geometryType) {
|
577 |
case Geometry.TYPES.GEOMETRY:
|
578 |
pgGeomType = "GEOMETRY";
|
579 |
break;
|
580 |
case Geometry.TYPES.POINT:
|
581 |
pgGeomType = "POINT";
|
582 |
break;
|
583 |
case Geometry.TYPES.CURVE:
|
584 |
pgGeomType = "LINESTRING";
|
585 |
break;
|
586 |
case Geometry.TYPES.SURFACE:
|
587 |
pgGeomType = "POLYGON";
|
588 |
break;
|
589 |
case Geometry.TYPES.MULTIPOINT:
|
590 |
pgGeomType = "MULTIPOINT";
|
591 |
break;
|
592 |
case Geometry.TYPES.MULTICURVE:
|
593 |
pgGeomType = "MULTILINESTRING";
|
594 |
break;
|
595 |
case Geometry.TYPES.MULTISURFACE:
|
596 |
pgGeomType = "MULTIPOLYGON";
|
597 |
break;
|
598 |
default:
|
599 |
logger.warn("Can't determine PostGIS geometry type, use GEOMETRY.");
|
600 |
pgGeomType = "GEOMETRY";
|
601 |
} |
602 |
if (geometrySubType == Geometry.SUBTYPES.GEOM2DM
|
603 |
|| geometrySubType == Geometry.SUBTYPES.GEOM3DM) { |
604 |
pgGeomType = pgGeomType + "M";
|
605 |
} /* else if (geometrySubType == Geometry.SUBTYPES.GEOM3D) {
|
606 |
throw new UnsupportedGeometryException(geometryType,
|
607 |
geometrySubType);
|
608 |
/
|
609 |
} */
|
610 |
return pgGeomType;
|
611 |
} |
612 |
|
613 |
public int getProviderSRID(String srs) { |
614 |
if (srs != null) { |
615 |
Integer pgSRID = (Integer) srsID2pgSR.get(srs); |
616 |
if (pgSRID != null) { |
617 |
return pgSRID.intValue();
|
618 |
} |
619 |
|
620 |
return searchpgSRID(srs);
|
621 |
|
622 |
} |
623 |
return -1; |
624 |
} |
625 |
|
626 |
|
627 |
public int getProviderSRID(IProjection srs) { |
628 |
if (srs != null) { |
629 |
Integer pgSRID = (Integer) srsID2pgSR.get(srs.getAbrev()); |
630 |
if (pgSRID != null) { |
631 |
return pgSRID.intValue();
|
632 |
} |
633 |
|
634 |
return searchpgSRID(srs);
|
635 |
|
636 |
} |
637 |
return -1; |
638 |
} |
639 |
|
640 |
private int searchpgSRID(final IProjection srs) { |
641 |
if (srs == null) { |
642 |
return -1; |
643 |
} |
644 |
return searchpgSRID(srs.getAbrev());
|
645 |
} |
646 |
|
647 |
private int searchpgSRID(final String srsID) { |
648 |
if (srsID == null) { |
649 |
return -1; |
650 |
} |
651 |
|
652 |
ConnectionAction action = new ConnectionAction(){
|
653 |
|
654 |
public Object action(Connection conn) throws DataException { |
655 |
|
656 |
String[] abrev = srsID.split(":"); |
657 |
StringBuilder sqlb = new StringBuilder(); |
658 |
sqlb.append("select srid from spatial_ref_sys where ");
|
659 |
if (abrev.length > 1) { |
660 |
sqlb.append("auth_name = ? and ");
|
661 |
} |
662 |
sqlb.append("auth_srid = ?");
|
663 |
|
664 |
String sql = sqlb.toString();
|
665 |
PreparedStatement st;
|
666 |
try {
|
667 |
st = conn.prepareStatement(sql); |
668 |
} catch (SQLException e){ |
669 |
throw new JDBCPreparingSQLException(sql,e); |
670 |
} |
671 |
ResultSet rs = null; |
672 |
try{
|
673 |
int i=0; |
674 |
if (abrev.length > 1){ |
675 |
st.setString(i+1, abrev[i]);
|
676 |
i++; |
677 |
} |
678 |
st.setInt(i + 1, Integer.parseInt(abrev[i])); |
679 |
|
680 |
try{
|
681 |
rs = JDBCHelper.executeQuery(st,sql); |
682 |
|
683 |
} catch (SQLException e){ |
684 |
throw new JDBCExecutePreparedSQLException(sql, abrev, e); |
685 |
} |
686 |
|
687 |
if (!rs.next()) {
|
688 |
return null; |
689 |
} |
690 |
|
691 |
return new Integer(rs.getInt(1)); |
692 |
|
693 |
} catch (SQLException e){ |
694 |
throw new JDBCSQLException(e); |
695 |
} finally{
|
696 |
try {rs.close(); } catch (Exception e) {}; |
697 |
try {st.close(); } catch (Exception e) {}; |
698 |
} |
699 |
|
700 |
} |
701 |
|
702 |
}; |
703 |
|
704 |
Integer pgSRSID = null; |
705 |
try {
|
706 |
pgSRSID = (Integer) doConnectionAction(action);
|
707 |
} catch (Exception e) { |
708 |
logger.error("Excetion searching pgSRS", e);
|
709 |
return -1; |
710 |
} |
711 |
|
712 |
if (pgSRSID != null) { |
713 |
addToPgSRToSRSID(pgSRSID.intValue(), srsID); |
714 |
return pgSRSID.intValue();
|
715 |
} |
716 |
return -1; |
717 |
|
718 |
} |
719 |
|
720 |
private void addToPgSRToSRSID(int pgSRID, String srsId) { |
721 |
if (pgSRID < 0 || srsId == null || srsId.length() == 0) { |
722 |
return;
|
723 |
} |
724 |
Integer pgSRIDInteger = new Integer(pgSRID); |
725 |
pgSR2SRSID.put(pgSRIDInteger, srsId); |
726 |
srsID2pgSR.put(srsId, pgSRIDInteger); |
727 |
} |
728 |
|
729 |
public List<String> getSqlGeometyFieldAdd(FeatureAttributeDescriptor attr, |
730 |
String table, String schema) { |
731 |
// SELECT AddGeometryColumn({schema}, {table}, {field}, {srid}(int),
|
732 |
// {geomType}(Str), {dimensions}(int))
|
733 |
|
734 |
// gemoType:
|
735 |
/*
|
736 |
* POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING,
|
737 |
* MULTIPOLYGON, GEOMETRYCOLLECTION POINTM, LINESTRINGM, POLYGONM,
|
738 |
* MULTIPOINTM, MULTILINESTRINGM, MULTIPOLYGONM, GEOMETRYCOLLECTIONM
|
739 |
*/
|
740 |
List<String> sqls = new ArrayList<String>(); |
741 |
|
742 |
StringBuilder strb = new StringBuilder(); |
743 |
strb.append("SELECT AddGeometryColumn('");
|
744 |
if ( schema != null && schema.length() > 0 ) { |
745 |
strb.append(schema); |
746 |
strb.append("', '");
|
747 |
} |
748 |
strb.append(table); |
749 |
strb.append("', '");
|
750 |
strb.append(attr.getName().toLowerCase()); |
751 |
strb.append("', ");
|
752 |
strb.append(getProviderSRID(attr.getSRS())); |
753 |
strb.append(", '");
|
754 |
|
755 |
strb.append(getPostgisGeomType( |
756 |
attr.getGeometryType(), |
757 |
attr.getGeometrySubType() |
758 |
) |
759 |
); |
760 |
strb.append("', ");
|
761 |
strb.append(getPostgisGeomDimensions(attr.getGeometrySubType())); |
762 |
strb.append(")");
|
763 |
|
764 |
sqls.add(strb.toString()); |
765 |
|
766 |
return sqls;
|
767 |
} |
768 |
|
769 |
public String getSqlFieldName(FeatureAttributeDescriptor attribute) { |
770 |
if (attribute.getType() == DataTypes.GEOMETRY) {
|
771 |
return getFunctionName("ST_AsBinary") + "(" |
772 |
+ super.getSqlFieldName(attribute) + ")"; |
773 |
} |
774 |
return super.getSqlFieldName(attribute); |
775 |
} |
776 |
|
777 |
protected EditableFeatureAttributeDescriptor createAttributeFromJDBC(
|
778 |
EditableFeatureType type, Connection conn,
|
779 |
ResultSetMetaData rsMetadata, int colIndex) throws SQLException { |
780 |
if (rsMetadata.getColumnType(colIndex) == java.sql.Types.OTHER) {
|
781 |
if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase(
|
782 |
"geometry")) {
|
783 |
EditableFeatureAttributeDescriptor attr = type.add(rsMetadata.getColumnName(colIndex), |
784 |
DataTypes.GEOMETRY); |
785 |
// Set default values for geometry type
|
786 |
attr.setGeometryType(Geometry.TYPES.GEOMETRY); |
787 |
attr.setGeometrySubType(Geometry.SUBTYPES.GEOM2D); |
788 |
return attr;
|
789 |
|
790 |
} |
791 |
} |
792 |
|
793 |
return super.createAttributeFromJDBC(type, conn, rsMetadata, colIndex); |
794 |
} |
795 |
|
796 |
public List getAdditionalSqlToCreate(NewDataStoreParameters ndsp, |
797 |
FeatureType fType) { |
798 |
FeatureAttributeDescriptor attr; |
799 |
Iterator iter = fType.iterator();
|
800 |
List result = new ArrayList(); |
801 |
PostgreSQLNewStoreParameters pgNdsp = (PostgreSQLNewStoreParameters) ndsp; |
802 |
while (iter.hasNext()){
|
803 |
attr = (FeatureAttributeDescriptor) iter.next(); |
804 |
if (attr.getType() == DataTypes.GEOMETRY){
|
805 |
result.addAll(getSqlGeometyFieldAdd(attr, pgNdsp.getTable(), |
806 |
pgNdsp |
807 |
.getSchema())); |
808 |
} |
809 |
if( attr.isIndexed() ) {
|
810 |
result.add(getCreateIndexStatement((JDBCNewStoreParameters) ndsp, attr)); |
811 |
} |
812 |
if( attr.isAutomatic() ) {
|
813 |
// A?adimos los GRANT para la secuencia asociada a la tabla.
|
814 |
String table = "\""+pgNdsp.getSchema() +"\".\""+pgNdsp.getTable()+"_"+attr.getName()+"_seq\" "; |
815 |
result.addAll(this.createGrantStatements(pgNdsp, table));
|
816 |
} |
817 |
} |
818 |
|
819 |
|
820 |
return result;
|
821 |
} |
822 |
|
823 |
protected String getCreateIndexStatement(JDBCNewStoreParameters params,FeatureAttributeDescriptor attr ) { |
824 |
String indexName = "idx_"+params.getTable()+"_"+attr.getName(); |
825 |
|
826 |
String statement = "CREATE "; |
827 |
if( !attr.allowIndexDuplicateds() ) {
|
828 |
statement += " UNIQUE ";
|
829 |
} |
830 |
statement += "INDEX \""+indexName+"\" "; |
831 |
statement += "ON " + params.tableID() + " "; |
832 |
if( attr.getType()==DataTypes.GEOMETRY ) {
|
833 |
statement += " USING GIST ";
|
834 |
statement += "( \"" + attr.getName()+ "\")"; |
835 |
} else {
|
836 |
statement += "( \"" + attr.getName()+ "\""; |
837 |
if( attr.isIndexAscending() ) {
|
838 |
statement += " ASC )";
|
839 |
} else {
|
840 |
statement += " DESC )";
|
841 |
} |
842 |
} |
843 |
return statement;
|
844 |
} |
845 |
|
846 |
public String getSqlFieldDescription(FeatureAttributeDescriptor attr) |
847 |
throws DataException {
|
848 |
if (attr.getType() == DataTypes.GEOMETRY){
|
849 |
return null; |
850 |
} |
851 |
return super.getSqlFieldDescription(attr); |
852 |
} |
853 |
|
854 |
|
855 |
public boolean allowAutomaticValues() { |
856 |
return Boolean.TRUE; |
857 |
} |
858 |
|
859 |
public boolean supportOffset() { |
860 |
return true; |
861 |
} |
862 |
|
863 |
public boolean supportsUnion() { |
864 |
return true; |
865 |
} |
866 |
|
867 |
public String escapeFieldName(String field) { |
868 |
/*
|
869 |
if (!reservedWord(field) &&
|
870 |
field.matches("[a-z][a-z0-9_]*")) {
|
871 |
return field;
|
872 |
}
|
873 |
*/
|
874 |
String quote = getIdentifierQuoteString();
|
875 |
return quote + field + quote;
|
876 |
} |
877 |
|
878 |
protected EditableFeatureAttributeDescriptor createAttributeFromJDBCNativeType(
|
879 |
EditableFeatureType fType, ResultSetMetaData rsMetadata, int colIndex) |
880 |
throws SQLException { |
881 |
|
882 |
EditableFeatureAttributeDescriptor column; |
883 |
|
884 |
String nativeType = rsMetadata.getColumnTypeName(colIndex);
|
885 |
|
886 |
if (nativeType.startsWith("int")) { |
887 |
column = fType.add(rsMetadata.getColumnName(colIndex), |
888 |
DataTypes.INT); |
889 |
column.setAdditionalInfo("SQLType", new Integer(rsMetadata |
890 |
.getColumnType(colIndex))); |
891 |
column.setAdditionalInfo("SQLTypeName", rsMetadata
|
892 |
.getColumnTypeName(colIndex)); |
893 |
return column;
|
894 |
} |
895 |
return super.createAttributeFromJDBCNativeType(fType, rsMetadata, colIndex); |
896 |
} |
897 |
|
898 |
public Object dalValueToJDBC( |
899 |
FeatureAttributeDescriptor attributeDescriptor, Object object)
|
900 |
throws WriteException {
|
901 |
if ("int2".equals(attributeDescriptor.getAdditionalInfo("SQLTypeName"))) { |
902 |
return new Short(String.valueOf(object)); |
903 |
} |
904 |
|
905 |
return super.dalValueToJDBC(attributeDescriptor, object); |
906 |
} |
907 |
|
908 |
// =======================================
|
909 |
|
910 |
|
911 |
public String getFunctionName(String newFuncName) { |
912 |
|
913 |
if (!versionSet) {
|
914 |
postGISVersion = getPostgisVersion(); |
915 |
versionSet = true;
|
916 |
} |
917 |
return getFunctionNameForVersion(newFuncName, postGISVersion);
|
918 |
} |
919 |
|
920 |
private String getFunctionNameForVersion(String newFuncName, int[] pv) { |
921 |
|
922 |
if (newFuncName == null || pv == null) { |
923 |
return newFuncName;
|
924 |
} |
925 |
|
926 |
if (pv.length < 2) { |
927 |
// cannot compare
|
928 |
return newFuncName;
|
929 |
} |
930 |
|
931 |
if (pv[0] > 1) { |
932 |
return newFuncName;
|
933 |
} |
934 |
|
935 |
if (pv[0] == 1 && pv[1] >= 3) { |
936 |
return newFuncName;
|
937 |
} |
938 |
|
939 |
Properties pp = this.getBeforePostgis13Properties(); |
940 |
String k = newFuncName.toLowerCase();
|
941 |
String v = pp.getProperty(k);
|
942 |
if (v == null) { |
943 |
return newFuncName;
|
944 |
} else {
|
945 |
return v;
|
946 |
} |
947 |
} |
948 |
|
949 |
|
950 |
private int[] getPostgisVersion() { |
951 |
|
952 |
String sql = "SELECT PostGIS_Lib_Version()"; |
953 |
ResultSet rs = null; |
954 |
Statement st = null; |
955 |
String v = null; |
956 |
Connection conn = null; |
957 |
try {
|
958 |
conn = this.getConnection();
|
959 |
st = conn.createStatement(); |
960 |
rs = JDBCHelper.executeQuery(st,sql); |
961 |
rs.next(); |
962 |
v = rs.getString(1);
|
963 |
if (v == null) { |
964 |
throw new Exception("Returned version is NULL"); |
965 |
} |
966 |
} catch (Exception exc) { |
967 |
logger.error("Unable to get Postgis version: " + exc.getMessage(), exc);
|
968 |
return null; |
969 |
} finally {
|
970 |
try { rs.close(); } catch (Exception e) {}; |
971 |
try { st.close(); } catch (Exception e) {}; |
972 |
try { conn.close(); } catch (Exception e) {}; |
973 |
} |
974 |
|
975 |
String[] vv = v.split("\\."); |
976 |
int[] resp = new int[3]; |
977 |
try {
|
978 |
for (int i=0; i<3; i++) { |
979 |
resp[i] = Integer.parseInt(vv[i]);
|
980 |
} |
981 |
} catch (Exception exc) { |
982 |
logger.error("Unable to parse version: " + v, exc);
|
983 |
return null; |
984 |
} |
985 |
return resp;
|
986 |
} |
987 |
|
988 |
|
989 |
|
990 |
protected Properties getBeforePostgis13Properties() { |
991 |
if (beforePostgis13 == null) { |
992 |
|
993 |
beforePostgis13 = new Properties(); |
994 |
// Left side MUST be in lower case
|
995 |
// Right side will be used if Postgis version < 1.3
|
996 |
beforePostgis13.setProperty("st_intersects", "Intersects"); |
997 |
beforePostgis13.setProperty("st_extent", "Extent"); |
998 |
beforePostgis13.setProperty("st_envelope", "Envelope"); |
999 |
beforePostgis13.setProperty("st_asbinary", "AsBinary"); |
1000 |
beforePostgis13.setProperty("st_geomfromtext", "GeomFromText"); |
1001 |
beforePostgis13.setProperty("st_geomfromwkb", "GeomFromWKB"); |
1002 |
} |
1003 |
return beforePostgis13;
|
1004 |
} |
1005 |
|
1006 |
/* (non-Javadoc)
|
1007 |
* @see org.gvsig.fmap.dal.store.jdbc.JDBCHelper#getAttributeFromJDBC(org.gvsig.fmap.dal.feature.EditableFeatureType, java.sql.Connection, java.sql.ResultSetMetaData, int)
|
1008 |
*/
|
1009 |
@Override
|
1010 |
protected EditableFeatureAttributeDescriptor getAttributeFromJDBC(EditableFeatureType fType, Connection conn, |
1011 |
ResultSetMetaData rsMetadata, int colIndex) throws JDBCException { |
1012 |
EditableFeatureAttributeDescriptor attr = super.getAttributeFromJDBC(fType, conn, rsMetadata, colIndex);
|
1013 |
// El siguiente c?digo sirve para recuperar loas valores por defecto de la
|
1014 |
// base de datos y asign?rselos al atributo, pero de momento lo comentarizamos
|
1015 |
// porque se produce alg?n comportamiento extra?o que debemos valorar.
|
1016 |
// if(rsMetadata instanceof PGResultSetMetaData){
|
1017 |
// try {
|
1018 |
// PGResultSetMetaData pgResultSetMetaData = (PGResultSetMetaData) rsMetadata;
|
1019 |
// String tableName = pgResultSetMetaData.getBaseTableName(colIndex);
|
1020 |
// String columnName = pgResultSetMetaData.getBaseColumnName(colIndex);
|
1021 |
// String defaultValue = "";
|
1022 |
// defaultValue = getColumnDefaultValue(conn, tableName, columnName);
|
1023 |
//
|
1024 |
// if (!StringUtils.isEmpty(defaultValue)) {
|
1025 |
//
|
1026 |
// Object coerce = null;
|
1027 |
// try {
|
1028 |
// coerce = attr.coerce(defaultValue);
|
1029 |
// } catch (Throwable e) {
|
1030 |
// // Do nothing
|
1031 |
// }
|
1032 |
// attr.setDefaultValue(coerce);
|
1033 |
// }
|
1034 |
//
|
1035 |
// } catch (SQLException e1) {
|
1036 |
// throw new JDBCSQLException(e1);
|
1037 |
// }
|
1038 |
// }
|
1039 |
return attr;
|
1040 |
} |
1041 |
|
1042 |
private String getColumnDefaultValue(Connection conn, String tableName, String columnName) { |
1043 |
String value = ""; |
1044 |
try {
|
1045 |
DatabaseMetaData md = conn.getMetaData();
|
1046 |
String catalog = conn.getCatalog();
|
1047 |
String schema = getDefaultSchema(conn);
|
1048 |
ResultSet rs = md.getColumns(catalog, schema, tableName, columnName);
|
1049 |
|
1050 |
if (rs.next()) {
|
1051 |
value = rs.getString("COLUMN_DEF");
|
1052 |
} |
1053 |
logger.info("Default value of column '" + columnName + "' is " + value); |
1054 |
if (!StringUtils.isEmpty(value)) {
|
1055 |
value = value.split(":")[0]; |
1056 |
if (value.startsWith("'") && value.endsWith("'")) { |
1057 |
value = (String) value.subSequence(value.indexOf("'") + 1, value.lastIndexOf("'")); |
1058 |
} else {
|
1059 |
try {
|
1060 |
Double.parseDouble(value);
|
1061 |
} catch (Exception e) { |
1062 |
return ""; |
1063 |
} |
1064 |
} |
1065 |
} |
1066 |
} catch (Throwable e) { |
1067 |
logger.info("Can't get default value from column '" + columnName + "'", e); |
1068 |
} |
1069 |
return value;
|
1070 |
|
1071 |
} |
1072 |
} |