/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
* (C) Copyright IBM Corporation, 2005-2007. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
package org.geotools.data.db2;
import java.io.IOException;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Date;
import java.sql.SQLException;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.Map;
import com.vividsolutions.jts.geom.*;
import com.vividsolutions.jts.io.WKTWriter;
public class DB2Util {
private static Map<Class, String> PARAMETER_LITERALS = null;
private static Map<Class, String> PARAMETER_MARKES = null;
private static Map<Class, String> CAST_EPXPRESSIONS= null;
private static String quote(String s) {
return "\""+s+"\"";
}
public static void executeRegister(String schemaName,String tableName,String columnName, String srsName, Connection con) throws SQLException {
String stmt = "call db2gse.ST_register_spatial_column(?,?,?,?,?,?)";
String s = "{" + stmt + "}";
CallableStatement ps = con.prepareCall(s);
ps.setString(1, quote(schemaName));
ps.setString(2, quote(tableName));
ps.setString(3, quote(columnName));
ps.setString(4, srsName);
ps.registerOutParameter(5, Types.INTEGER);
ps.registerOutParameter(6, Types.CHAR);
ps.executeUpdate();
//DB2TestSetup.LOGGER.log(Level.INFO,ps.getInt(5) + "|" + ps.getString(6));
}
public static void executeUnRegister(String schemaName,String tableName,String columnName,Connection con) throws SQLException {
String stmt = "call db2gse.ST_unregister_spatial_column(?,?,?,?,?)";
String s = "{" + stmt + "}";
CallableStatement ps = con.prepareCall(s);
ps.setString(1, quote(schemaName));
ps.setString(2, quote(tableName));
ps.setString(3, quote(columnName));
ps.registerOutParameter(4, Types.INTEGER);
ps.registerOutParameter(5, Types.CHAR);
ps.executeUpdate();
//DB2TestSetup.LOGGER.log(Level.INFO,ps.getInt(4) + "|" + ps.getString(5));
}
static {
PARAMETER_MARKES = new HashMap<Class,String>();
PARAMETER_MARKES.put(Point.class, "DB2GSE.ST_PointFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(LineString.class, "DB2GSE.ST_LineFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(Polygon.class, "DB2GSE.ST_PolyFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(MultiPoint.class, "DB2GSE.ST_MPointFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(MultiLineString.class, "DB2GSE.ST_MLineFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(MultiPolygon.class, "DB2GSE.ST_MPolyFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(Geometry.class, "DB2GSE.ST_GeomFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_MARKES.put(GeometryCollection.class, "DB2GSE.ST_GeomCollFromWKB(cast (? as BLOB(2G)),{0})");
PARAMETER_LITERALS = new HashMap<Class,String>();
PARAMETER_LITERALS.put(Point.class, "DB2GSE.ST_PointFromText({0},{1})");
PARAMETER_LITERALS.put(LineString.class, "DB2GSE.ST_LineFromText({0},{1})");
PARAMETER_LITERALS.put(Polygon.class, "DB2GSE.ST_PolyFromText({0},{1})");
PARAMETER_LITERALS.put(MultiPoint.class, "DB2GSE.ST_MPointFromText({0},{1})");
PARAMETER_LITERALS.put(MultiLineString.class, "DB2GSE.ST_MLineFromText({0},{1})");
PARAMETER_LITERALS.put(MultiPolygon.class, "DB2GSE.ST_MPolyFromText({0},{1})");
PARAMETER_LITERALS.put(Geometry.class, "DB2GSE.ST_GeomFromText({0},{1})");
PARAMETER_LITERALS.put(GeometryCollection.class, "DB2GSE.ST_GeomCollFromText({0},{1})");
CAST_EPXPRESSIONS= new HashMap<Class,String>();
CAST_EPXPRESSIONS.put(Short.class, "CAST (? as SMALLINT)");
CAST_EPXPRESSIONS.put(Integer.class, "CAST (? as INTEGER)");
CAST_EPXPRESSIONS.put(Long.class, "CAST (? as BIGINT)");
CAST_EPXPRESSIONS.put(BigDecimal.class, "CAST (? as DECFLOAT(34))");
CAST_EPXPRESSIONS.put(Float.class, "CAST (? as REAL)");
CAST_EPXPRESSIONS.put(Double.class, "CAST (? as DOBULE)");
CAST_EPXPRESSIONS.put(Date.class, "CAST (? as DATE)");
CAST_EPXPRESSIONS.put(java.util.Date.class, "CAST (? as DATE)");
CAST_EPXPRESSIONS.put(Time.class, "CAST (? as TIME)");
CAST_EPXPRESSIONS.put(Timestamp.class, "CAST (? as TIMESTAMP)");
CAST_EPXPRESSIONS.put(URL.class, "CAST (? as DATALINK)");
CAST_EPXPRESSIONS.put(String.class, "CAST (? as VARCHAR(32000))");
}
static public String getCastExpression(Class aClass ) {
if (Clob.class.isAssignableFrom(aClass)) return "CAST (? as CLOB(1G))";
if (Blob.class.isAssignableFrom(aClass)) return "CAST (? as BLOB(2G))";
return CAST_EPXPRESSIONS.get(aClass);
}
static public void prepareGeometryValue(Geometry geom, int srid, Class binding, StringBuffer sql) {
String pattern = PARAMETER_MARKES.get(binding);
sql.append(MessageFormat.format(pattern, new Object[]{Integer.toString(srid)}));
}
static public void encodeGeometryValue(Geometry value, int srid, StringBuffer sql)
throws IOException {
if (value ==null) {
sql.append("null");
return;
}
String pattern = PARAMETER_LITERALS.get(value.getClass());
if (pattern==null) {//should not happen
sql.append("null");
return;
}
sql.append(MessageFormat.format(pattern,
new Object[]{
new WKTWriter().write(value),
Integer.toString(srid)}));
}
}