svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / mysql / MySQLHelper.java @ 28967
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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.mysql; |
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import java.sql.Connection; |
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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 org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.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.exception.UnsupportedDataTypeException; |
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import org.gvsig.fmap.dal.resource.spi.ResourceManagerProviderServices; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCHelperUser; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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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.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.operation.fromwkb.FromWKB; |
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import org.gvsig.fmap.geom.operation.fromwkb.FromWKBGeometryOperationContext; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.exception.BaseException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author jmvivo
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*
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*/
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public class MySQLHelper extends JDBCHelper { |
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private static Logger logger = LoggerFactory |
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.getLogger(MySQLHelper.class); |
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MySQLHelper(JDBCHelperUser consumer, |
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MySQLConnectionParameters 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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MySQLResource resource = (MySQLResource) manager |
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.createResource( |
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MySQLResource.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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((MySQLConnectionParameters) 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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defaultSchema = params.getDBName(); |
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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 asbinary(envelope(");
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strb.append(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 __tmp__ ");
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} else {
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strb.append(storeParams.tableID()); |
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} |
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if (limit != null){ |
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strb.append(" where intersects(GeomFromText('");
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strb.append(limit.toString()); |
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strb.append("')), boundary(");
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strb.append(geometryAttrName); |
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strb.append(")) ");
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} |
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String sql = strb.toString();
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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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Connection conn = null; |
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GeometryManager geoMan = GeometryLocator.getGeometryManager(); |
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Envelope fullEnvelope = null;
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try {
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initializeFromWKBOperation(); |
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} catch (BaseException e1) {
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throw new ReadException(this.name, e1); |
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} |
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this.open();
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this.begin();
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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 = st.executeQuery(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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while (rs.next()) {
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byte[] data = rs.getBytes(1); |
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if (data == null) { |
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continue;
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} |
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fromWKBContext.setData(data); |
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Geometry geom = (Geometry) fromWKB.invoke(null, fromWKBContext);
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if (fullEnvelope == null) { |
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fullEnvelope = geom.getEnvelope(); |
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} else {
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fullEnvelope.add(geom.getEnvelope()); |
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} |
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} |
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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.getName(), e); |
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} finally {
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try{ rs.close(); } catch (Exception e){}; |
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try{ st.close(); } catch (Exception e){}; |
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try{ conn.close(); } catch (Exception e){}; |
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rs = null;
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st = null;
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conn = null;
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end(); |
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} |
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} |
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protected void initializeFromWKBOperation() throws BaseException { |
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if (fromWKB == null) { |
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fromWKB = (FromWKB) GeometryLocator.getGeometryManager() |
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.getGeometryOperation(FromWKB.CODE, |
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Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM2D); |
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fromWKBContext = new FromWKBGeometryOperationContext();
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} |
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} |
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public Geometry getGeometry(byte[] buffer) throws BaseException { |
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if (buffer == null) { |
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return null; |
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} |
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initializeFromWKBOperation(); |
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Geometry geom; |
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try {
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fromWKBContext.setData(buffer); |
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geom = (Geometry) fromWKB.invoke(null, fromWKBContext);
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} finally {
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fromWKBContext.setData(null);
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} |
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return geom;
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} |
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public String getSqlColumnTypeDescription(FeatureAttributeDescriptor attr) { |
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switch (attr.getDataType()) {
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case DataTypes.STRING:
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return "VARCHAR(" + attr.getSize() + ")"; |
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case DataTypes.BOOLEAN:
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return "BOOL"; |
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case DataTypes.BYTE:
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return "TINYINT UNSIGNED"; |
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case DataTypes.DATE:
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return "DATE"; |
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case DataTypes.TIMESTAMP:
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return "TIMESTAMP"; |
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case DataTypes.TIME:
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return "TIME"; |
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case DataTypes.BYTEARRAY:
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if (attr.getSize() > 0) { |
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return "BLOB(" + attr.getSize() + ")"; |
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} else {
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return "BLOB"; |
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} |
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case DataTypes.DOUBLE:
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if (attr.getSize() > 0) { |
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return "DOUBLE(" + attr.getSize() + "," + attr.getPrecision() |
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+ ")";
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} else {
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return "DOBLE"; |
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} |
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case DataTypes.FLOAT:
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return "FLOAT"; |
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case DataTypes.GEOMETRY:
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switch (attr.getGeometryType()) {
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case Geometry.TYPES.POINT:
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return "POINT"; |
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case Geometry.TYPES.CURVE:
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return "LINESTRING"; |
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case Geometry.TYPES.SURFACE:
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return "SURFACE"; |
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case Geometry.TYPES.SOLID:
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return "POLYGON"; |
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case Geometry.TYPES.MULTIPOINT:
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return "MULTIPOIN"; |
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case Geometry.TYPES.MULTICURVE:
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return "MULTILINESTRING"; |
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case Geometry.TYPES.MULTISURFACE:
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return "MULTISURFACE"; |
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case Geometry.TYPES.MULTISOLID:
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return "MULTIPOLYGON"; |
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default:
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return "GEOMETRY"; |
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} |
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case DataTypes.INT:
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if (attr.getSize() > 0) { |
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return "INT(" + attr.getSize() + ")"; |
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} |
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case DataTypes.LONG:
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return "BIGINT"; |
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default:
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String typeName = (String) attr.getAdditionalInfo("SQLTypeName"); |
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if (typeName != null) { |
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return typeName;
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} |
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throw new UnsupportedDataTypeException(attr.getDataTypeName(), attr |
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.getDataType()); |
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} |
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} |
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public String getSqlFieldName(FeatureAttributeDescriptor attribute) { |
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if (attribute.getDataType() == DataTypes.GEOMETRY) {
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return "asBinary(" + super.getSqlFieldName(attribute) + ")"; |
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} |
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return super.getSqlFieldName(attribute); |
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} |
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protected EditableFeatureAttributeDescriptor createAttributeFromJDBC(
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EditableFeatureType type, Connection conn,
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ResultSetMetaData rsMetadata, int colIndex) throws SQLException { |
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int colType = rsMetadata.getColumnType(colIndex);
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if (colType == java.sql.Types.OTHER || colType == java.sql.Types.STRUCT
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|| colType == java.sql.Types.BLOB |
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|| colType == java.sql.Types.BINARY) {
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Integer geoType = null; |
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if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase(
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"geometry")) {
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geoType = new Integer(Geometry.TYPES.GEOMETRY); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase("POINT")) { |
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geoType = new Integer(Geometry.TYPES.POINT); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase("LINESTRING")) { |
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geoType = new Integer(Geometry.TYPES.CURVE); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase("SURFACE")) { |
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geoType = new Integer(Geometry.TYPES.SURFACE); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase("POLYGON")) { |
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geoType = new Integer(Geometry.TYPES.SOLID); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase("MULTIPOIN")) { |
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geoType = new Integer(Geometry.TYPES.MULTIPOINT); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase("MULTILINESTRING")) { |
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geoType = new Integer(Geometry.TYPES.MULTICURVE); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase( |
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"MULTISURFACE")) {
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geoType = new Integer(Geometry.TYPES.MULTISURFACE); |
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} else if (rsMetadata.getColumnTypeName(colIndex).equalsIgnoreCase( |
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"MULTIPOLYGON")) {
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geoType = new Integer(Geometry.TYPES.MULTISOLID); |
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} |
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if (geoType != null){ |
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EditableFeatureAttributeDescriptor attr = type.add(rsMetadata |
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.getColumnName(colIndex), DataTypes.GEOMETRY); |
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attr.setGeometryType(geoType.intValue()); |
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attr.setGeometrySubType(Geometry.SUBTYPES.GEOM2D); |
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return attr;
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} |
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} |
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return super.createAttributeFromJDBC(type, conn, rsMetadata, colIndex); |
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} |
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public String escapeFieldName(String field) { |
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if (field.matches("[a-z][a-z0-9_]*")) { |
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return field;
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} |
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return "`" + field + "`"; |
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} |
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public boolean allowAutomaticValues() { |
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return Boolean.TRUE; |
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} |
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public String getSqlFieldDescription(FeatureAttributeDescriptor attr) |
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throws DataException {
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/**
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column_definition:
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data_type [NOT NULL | NULL] [DEFAULT default_value]
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[AUTO_INCREMENT] [UNIQUE [KEY] | [PRIMARY] KEY]
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[COMMENT 'string'] [reference_definition]
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*/
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StringBuilder strb = new StringBuilder(); |
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// name
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strb.append(escapeFieldName(attr.getName())); |
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strb.append(" ");
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// Type
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strb.append(this.getSqlColumnTypeDescription(attr));
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strb.append(" ");
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boolean allowNull = attr.allowNull()
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&& !(attr.isPrimaryKey() || attr.isAutomatic()); |
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// Null
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if (allowNull) {
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strb.append("NULL ");
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} else {
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strb.append("NOT NULL ");
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} |
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if (attr.isAutomatic()) {
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strb.append("AUTO_INCREMENT ");
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} |
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// Default
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if (attr.getDefaultValue() == null) { |
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if (allowNull) {
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strb.append("DEFAULT NULL ");
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} |
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} else {
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String value = getDefaltFieldValueString(attr);
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strb.append("DEFAULT '");
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strb.append(value); |
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strb.append("' ");
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} |
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// Primery key
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if (attr.isPrimaryKey()) {
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strb.append("PRIMARY KEY ");
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} |
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return strb.toString();
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} |
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public boolean supportOffset() { |
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return true; |
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} |
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public boolean supportsUnion() { |
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return true; |
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} |
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} |