svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / postgresql / PostgreSQLStoreProvider.java @ 28424
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 IVER T.I {{Task}}
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*/
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package org.gvsig.fmap.dal.store.postgresql; |
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import java.security.InvalidParameterException; |
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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.SQLException; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStoreNotification; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.CloseException; |
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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.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
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import org.gvsig.fmap.dal.feature.spi.FeatureData; |
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
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import org.gvsig.fmap.dal.resource.exception.ResourceBeginException; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCExecuteSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreProvider; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.operation.towkb.ToWKB; |
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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.dynobject.DelegatedDynObject; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynObjectManager; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.persistence.PersistenceException; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class PostgreSQLStoreProvider extends JDBCStoreProvider implements |
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PostgreSQLHelperUser { |
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final static private Logger logger = LoggerFactory |
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.getLogger(PostgreSQLStoreProvider.class); |
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public static String NAME = "PostgreSQLStore"; |
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public static String DESCRIPTION = "PostgreSQL source"; |
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private static final String DYNCLASS_NAME = "PostgreSQLStore"; |
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private static DynClass DYNCLASS = null; |
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protected PostgreSQLStoreParameters params;
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protected PostgreSQLHelper helper;
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protected boolean directSQLMode; |
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private Long totalCount = null; |
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protected static void registerDynClass() { |
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DynObjectManager dynman = ToolsLocator.getDynObjectManager(); |
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DynClass dynClass; |
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if (DYNCLASS == null) { |
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dynClass = dynman.add(DYNCLASS_NAME, DESCRIPTION); |
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dynClass.extend(dynman.get(FeatureStore.DYNCLASS_NAME)); |
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DYNCLASS = dynClass; |
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} |
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} |
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public PostgreSQLStoreProvider() {
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super();
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} |
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public PostgreSQLStoreProvider(PostgreSQLStoreParameters params)
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throws InitializeException {
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super();
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this.init(params);
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} |
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protected void init(PostgreSQLStoreParameters params) |
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throws InitializeException {
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this.params = params;
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this.dynObject = (DelegatedDynObject) ToolsLocator
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.getDynObjectManager().createDynObject(DYNCLASS); |
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this.dynObject.setDynValue("DefaultSRS", null); |
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this.dynObject.setDynValue("Envelope", null); |
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helper = new PostgreSQLHelper(this, params); |
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if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
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directSQLMode = true;
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} |
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} |
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protected String compoundCountSelect(String filter) { |
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if (this.directSQLMode) { |
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return null; |
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} |
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// Select
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StringBuilder sql = new StringBuilder(); |
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sql.append("Select count(");
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String[] pkFields = params.getPkFields(); |
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if (pkFields != null && pkFields.length == 1) { |
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sql.append(helper.escapeFieldName(pkFields[0]));
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} else {
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sql.append('*');
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} |
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sql.append(") ");
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sql.append("from ");
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sql.append(params.tableID()); |
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sql.append(' ');
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appendWhere(sql, filter); |
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return sql.toString();
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} |
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private void appendWhere(StringBuilder sql, String filter) { |
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filter = fixFilter(filter); |
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String initialFilter = params.getInitialFilter();
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if ((initialFilter != null && initialFilter.length() != 0) |
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|| (filter != null && filter.length() != 0)) { |
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sql.append("where (");
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if (initialFilter != null && initialFilter.length() != 0 |
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&& filter != null && filter.length() != 0) { |
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// initialFilter + filter
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sql.append('(');
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sql.append(initialFilter); |
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sql.append(") and (");
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sql.append(filter); |
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sql.append(')');
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} else if (initialFilter != null && initialFilter.length() != 0) { |
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// initialFilter only
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sql.append(initialFilter); |
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} else {
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// filter only
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sql.append(filter); |
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} |
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sql.append(") ");
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} |
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} |
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private String fixFilter(String filter) { |
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if (filter == null) { |
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return null; |
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} |
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// Transform SRS to code
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// GeomFromText\s*\(\s*'[^']*'\s*,\s*('[^']*')\s*\)
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Pattern pattern = Pattern |
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.compile("GeomFromText\\s*\\(\\s*'[^']*'\\s*,\\s*'([^']*)'\\s*\\)");
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Matcher matcher = pattern.matcher(filter);
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StringBuilder strb = new StringBuilder(); |
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int pos = 0; |
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String srsCode;
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while (matcher.find(pos)) {
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strb.append(filter.substring(pos, matcher.start(1)));
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srsCode = matcher.group(1).trim();
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if (srsCode.startsWith("'")) { |
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srsCode = srsCode.substring(1);
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} |
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if (srsCode.endsWith("'")) { |
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srsCode = srsCode.substring(0, srsCode.length() - 1); |
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} |
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strb.append(helper.getPostgisSRID(srsCode)); |
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strb.append(filter.substring(matcher.end(1), matcher.end()));
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pos = matcher.end(); |
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} |
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strb.append(filter.substring(pos)); |
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return strb.toString();
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} |
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public String compoundSelect(FeatureType type, |
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String filter,
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String order,
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long limit, long offset) throws DataException { |
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StringBuilder sql = new StringBuilder(); |
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if (directSQLMode) {
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if (filter != null || order != null) { |
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// FIXME Exception
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throw new UnsupportedOperationException(); |
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} |
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sql.append(params.getSQL()); |
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sql.append(' ');
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} else {
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FeatureAttributeDescriptor[] fields = type
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.getAttributeDescriptors(); |
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// Select
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sql.append("Select ");
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for (int i = 0; i < fields.length - 1; i++) { |
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sql.append(helper.getSqlFieldName(fields[i])); |
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sql.append(", ");
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} |
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sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
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sql.append(' ');
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FeatureAttributeDescriptor[] pkFields = store.getFeatureType(type.getId()).getPrimaryKey();
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if (pkFields != null && pkFields.length > 0) { |
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// checks for pk fields are in select
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boolean toAdd;
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for (int i = 0; i < pkFields.length; i++) { |
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toAdd = true;
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for (int j = 0; j < fields.length; j++) { |
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if (pkFields[i].getName().equals(fields[j].getName())) {
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toAdd = false;
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break;
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} |
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if (toAdd) {
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sql.append(", ");
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sql.append(helper.getSqlFieldName(pkFields[i])); |
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} |
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} |
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} |
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sql.append(' ');
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} |
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// table
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sql.append("from ");
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sql.append(params.tableID()); |
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sql.append(' ');
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// Where
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appendWhere(sql, filter); |
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// Order
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if ((params.getInitialOrder() != null && params |
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.getInitialOrder().length() != 0)
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|| (order != null && order.length() != 0)) { |
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sql.append("order by ");
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if (order != null && order.length() != 0) { |
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// order
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sql.append(order); |
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} else {
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// initial order
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sql.append(params.getInitialOrder()); |
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} |
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sql.append(' ');
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} |
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} |
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// limit
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if (limit >= 1) { |
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sql.append("limit ");
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sql.append(limit); |
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sql.append(' ');
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} |
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// offset
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if (offset >= 1) { |
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sql.append("offset ");
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sql.append(offset); |
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sql.append(' ');
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} |
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return sql.toString();
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} |
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public FeatureStoreProvider initialize(FeatureStoreProviderServices store)
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throws InitializeException {
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super.initialize(store);
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this.initFeatureType();
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return this; |
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} |
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protected void initFeatureType() throws InitializeException { |
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EditableFeatureType edFType = null;
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try {
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edFType = this.store.createFeatureType();
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helper.loadFeatureType(edFType, params); |
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} catch (DataException e) {
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throw new InitializeException(this.getName(), e); |
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} |
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FeatureType defaultType = edFType.getNotEditableCopy(); |
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List types = new ArrayList(1); |
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types.add(defaultType); |
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this.store.setFeatureTypes(types, defaultType);
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try {
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loadMetadata(); |
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} catch (DataException e) {
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throw new InitializeException(e); |
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} |
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} |
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public Object createNewOID() { |
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return null; |
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} |
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public FeatureData getFeatureDataByReference(
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FeatureReferenceProviderServices reference) throws DataException {
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return getFeatureDataByReference(reference, store
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.getDefaultFeatureType()); |
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} |
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public FeatureData getFeatureDataByReference(
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FeatureReferenceProviderServices reference, FeatureType featureType) |
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throws DataException {
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open(); |
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resourceBegin(); |
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try {
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StringBuilder filter = new StringBuilder(); |
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FeatureAttributeDescriptor[] pk = store.getFeatureType(
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featureType.getId()).getPrimaryKey(); |
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List values = new ArrayList(); |
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int i;
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for (i = 0; i < pk.length - 1; i++) { |
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values.add(helper.dalValueToJDBC(pk[i], reference |
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.getKeyValue(pk[i].getName()))); |
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filter.append(helper.getSqlFieldName(pk[i])); |
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filter.append(" = ? AND ");
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} |
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values.add(helper.dalValueToJDBC(pk[i], reference.getKeyValue(pk[i] |
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.getName()))); |
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filter.append(helper.getSqlFieldName(pk[i])); |
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filter.append(" = ? ");
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String sql = compoundSelect(featureType, filter.toString(), null, |
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1, 0); |
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FeatureData data; |
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int rsId = createResultSet(sql, values.toArray());
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try{
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if (!resulsetNext(rsId)) {
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// FIXME Exception
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throw new RuntimeException("Reference Not found"); |
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} |
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data = createFeatureData(featureType); |
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loadFeatureData(data, rsId); |
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} finally {
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closeResulset(rsId); |
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} |
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return data;
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} finally {
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resourceEnd(); |
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} |
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} |
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public int getFeatureReferenceOIDType() { |
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return DataTypes.UNKNOWN;
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} |
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public String getName() { |
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return NAME;
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} |
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public Iterator getChilds() { |
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return null; |
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} |
414 |
|
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public void open() throws OpenException { |
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helper.open(); |
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} |
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|
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|
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public boolean allowWrite() { |
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return false; |
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} |
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|
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public void close() throws CloseException { |
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helper.close(); |
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} |
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|
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public Object getSourceId() { |
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return this.params.getSourceId(); |
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} |
431 |
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protected ResultSet createNewResultSet(String sql, Object[] values) |
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throws DataException {
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this.open();
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Connection conn =null; |
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PreparedStatement st=null; |
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ResultSet rs=null; |
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this.resourceBegin();
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try{
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conn = this.helper.getConnection();
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st = conn.prepareStatement(sql); |
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|
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if (values != null) { |
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Object value;
|
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for (int i = 0; i < values.length; i++) { |
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value = values[i]; |
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if (value instanceof Geometry) { |
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byte[] bytes; |
449 |
try {
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bytes = (byte[]) ((Geometry) value) |
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.invokeOperation(ToWKB.CODE, null);
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} catch (BaseException e) {
|
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// FIXME
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throw new InvalidParameterException(); |
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} |
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st.setBytes(i + 1, bytes);
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} |
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st.setObject(i + 1, value);
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} |
460 |
|
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} |
462 |
|
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try {
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rs = st.executeQuery(); |
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} catch (SQLException e1){ |
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try {st.close(); } catch (Exception e2) { }; |
467 |
try {conn.close();} catch (Exception e2) { }; |
468 |
throw new JDBCExecuteSQLException(sql,e1); |
469 |
} |
470 |
rs.setFetchSize(5000); // TODO add to params? |
471 |
return rs;
|
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} catch (SQLException e) { |
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// TODO throw exception ???
|
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try {rs.close(); } catch (Exception e1) { }; |
475 |
try {st.close(); } catch (Exception e1) { }; |
476 |
try {conn.close();} catch (Exception e1) { }; |
477 |
throw new JDBCSQLException(e); |
478 |
}finally{
|
479 |
this.resourceEnd();
|
480 |
} |
481 |
} |
482 |
|
483 |
protected long getCount(String filter) throws DataException { |
484 |
this.open();
|
485 |
if (filter == null && totalCount != null) { |
486 |
return totalCount.longValue();
|
487 |
} |
488 |
long count = 0; |
489 |
String sql = compoundCountSelect(filter);
|
490 |
resourceBegin(); |
491 |
try {
|
492 |
ResultSet rs = createNewResultSet(sql, null); |
493 |
try {
|
494 |
if (rs.next()) {
|
495 |
count = rs.getLong(1);
|
496 |
} |
497 |
} catch (SQLException e) { |
498 |
throw new JDBCSQLException(e); |
499 |
} finally {
|
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closeResulset(rs); |
501 |
} |
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} finally {
|
503 |
resourceEnd(); |
504 |
} |
505 |
if (filter == null) { |
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totalCount = new Long(count); |
507 |
} |
508 |
return count;
|
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} |
510 |
|
511 |
protected void resourceBegin() throws ResourceBeginException { |
512 |
this.helper.begin();
|
513 |
|
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} |
515 |
|
516 |
protected void resourceEnd() { |
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this.helper.end();
|
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} |
519 |
|
520 |
protected boolean closeResource(ResourceProvider resource) { |
521 |
try {
|
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this.helper.close();
|
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} catch (CloseException e) {
|
524 |
logger.error("Exception in close Request", e);
|
525 |
} |
526 |
return !this.helper.isOpen(); |
527 |
} |
528 |
|
529 |
|
530 |
protected void loadFeatureDataValue(FeatureData data, ResultSet rs, |
531 |
FeatureAttributeDescriptor attr) throws DataException {
|
532 |
if (attr.getDataType() == DataTypes.GEOMETRY) {
|
533 |
byte[] buffer; |
534 |
try {
|
535 |
buffer = rs.getBytes(attr.getIndex() + 1);
|
536 |
if (buffer == null) { |
537 |
data.set(attr.getIndex(), null);
|
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} else {
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data.set(attr.getIndex(), this.helper
|
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.getGeometry(buffer)); |
541 |
} |
542 |
} catch (SQLException e) { |
543 |
throw new JDBCSQLException(e); |
544 |
} catch (BaseException e) {
|
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throw new ReadException(getName(), e); |
546 |
} |
547 |
|
548 |
} else {
|
549 |
super.loadFeatureDataValue(data, rs, attr);
|
550 |
} |
551 |
} |
552 |
|
553 |
public FeatureSetProvider createSet(FeatureQuery query,
|
554 |
FeatureType featureType) throws DataException {
|
555 |
|
556 |
return new PostgreSQLSetProvider(this, query, featureType); |
557 |
} |
558 |
|
559 |
public void dispose() throws CloseException { |
560 |
this.close();
|
561 |
this.helper.dispose();
|
562 |
super.dispose();
|
563 |
} |
564 |
|
565 |
|
566 |
public DataServerExplorer getExplorer() throws ReadException { |
567 |
DataManager manager = DALLocator.getDataManager(); |
568 |
PostgreSQLServerExplorerParameters exParams; |
569 |
try {
|
570 |
exParams = (PostgreSQLServerExplorerParameters) manager |
571 |
.createServerExplorerParameters(PostgreSQLServerExplorer.NAME); |
572 |
exParams.setHost(params.getHost()); |
573 |
exParams.setPort(params.getPort()); |
574 |
exParams.setDBName(params.getDBName()); |
575 |
exParams.setUser(params.getUser()); |
576 |
exParams.setPassword(params.getPassword()); |
577 |
exParams.setCatalog(params.getCatalog()); |
578 |
exParams.setSchema(params.getSchema()); |
579 |
exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
580 |
exParams.setUseSSL(params.getUseSSL()); |
581 |
|
582 |
return manager.createServerExplorer(exParams);
|
583 |
} catch (DataException e) {
|
584 |
throw new ReadException(this.getName(), e); |
585 |
} catch (ValidateDataParametersException e) {
|
586 |
// TODO Auto-generated catch block
|
587 |
throw new ReadException(this.getName(), e); |
588 |
} |
589 |
} |
590 |
|
591 |
private void loadMetadata() throws DataException { |
592 |
IProjection srs = params.getSRS(); |
593 |
|
594 |
if (srs == null) { |
595 |
srs = store.getDefaultFeatureType().getDefaultSRS(); |
596 |
} |
597 |
|
598 |
|
599 |
this.dynObject.setDynValue("DefaultSRS", srs); |
600 |
|
601 |
String defGeomName = this.store.getDefaultFeatureType() |
602 |
.getDefaultGeometryAttributeName(); |
603 |
Envelope env = null;
|
604 |
if (defGeomName != null && defGeomName.length() > 0) { |
605 |
env = this.helper
|
606 |
.getFullEnvelopeOfField(this.params,
|
607 |
defGeomName, |
608 |
this.params.getWorkingArea());
|
609 |
|
610 |
} |
611 |
this.dynObject.setDynValue("Envelope", env); |
612 |
|
613 |
} |
614 |
|
615 |
private void clearMetadata() { |
616 |
this.dynObject.setDynValue("DefaultSRS", null); |
617 |
this.dynObject.setDynValue("Envelope", null); |
618 |
} |
619 |
|
620 |
public void closeDone() throws DataException { |
621 |
clearMetadata(); |
622 |
|
623 |
} |
624 |
|
625 |
public void opendDone() throws DataException { |
626 |
// Nothing to do
|
627 |
} |
628 |
|
629 |
public Envelope getEnvelope() throws DataException { |
630 |
this.open();
|
631 |
return (Envelope) this.dynObject.getDynValue("Envelope"); |
632 |
} |
633 |
|
634 |
public void resourceChanged(ResourceProvider resource) { |
635 |
this.store.notifyChange(DataStoreNotification.RESOURCE_CHANGED,
|
636 |
resource); |
637 |
} |
638 |
|
639 |
public boolean canWriteGeometry(int geometryType) throws DataException { |
640 |
return false; |
641 |
} |
642 |
|
643 |
public boolean allowAutomaticValues() { |
644 |
return true; |
645 |
} |
646 |
|
647 |
public void performEditing(Iterator deleteds, Iterator inserteds, |
648 |
Iterator updateds, Iterator originalFeatureTypesUpdated) |
649 |
throws PerformEditingException {
|
650 |
// FIXME exception
|
651 |
throw new UnsupportedOperationException(); |
652 |
|
653 |
} |
654 |
|
655 |
protected PostgreSQLHelper getHelper() {
|
656 |
return helper;
|
657 |
} |
658 |
|
659 |
// ************************************************************************************//
|
660 |
|
661 |
|
662 |
// ************************************************************************************//
|
663 |
|
664 |
|
665 |
public boolean supportsAppendMode() { |
666 |
// TODO Auto-generated method stub
|
667 |
return false; |
668 |
} |
669 |
|
670 |
public PersistentState getState() throws PersistenceException { |
671 |
// TODO Auto-generated method stub
|
672 |
return null; |
673 |
} |
674 |
|
675 |
public void loadState(PersistentState state) throws PersistenceException { |
676 |
// TODO Auto-generated method stub
|
677 |
|
678 |
} |
679 |
|
680 |
public void setState(PersistentState state) throws PersistenceException { |
681 |
// TODO Auto-generated method stub
|
682 |
|
683 |
} |
684 |
|
685 |
|
686 |
public void endAppend() throws DataException { |
687 |
// TODO Auto-generated method stub
|
688 |
|
689 |
} |
690 |
|
691 |
|
692 |
public void append(Feature feature) throws DataException { |
693 |
// TODO Auto-generated method stub
|
694 |
|
695 |
} |
696 |
|
697 |
public void beginAppend() throws DataException { |
698 |
// TODO Auto-generated method stub
|
699 |
|
700 |
} |
701 |
|
702 |
public long getFeatureCount() throws DataException { |
703 |
return getCount(null); |
704 |
} |
705 |
|
706 |
/* (non-Javadoc)
|
707 |
* @see org.gvsig.tools.persistence.Persistent#saveToState(org.gvsig.tools.persistence.PersistentState)
|
708 |
*/
|
709 |
public void saveToState(PersistentState state) throws PersistenceException { |
710 |
// TODO Auto-generated method stub
|
711 |
|
712 |
} |
713 |
|
714 |
} |