/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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.jdbc;
import java.io.IOException;
import java.sql.Connection;
import org.geotools.data.DelegatingFeatureWriter;
import org.geotools.data.FeatureWriter;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
/**
*
*
* @source $URL$
*/
public class JDBCClosingFeatureWriter implements FeatureWriter<SimpleFeatureType,SimpleFeature> {
FeatureWriter writer;
public JDBCClosingFeatureWriter(FeatureWriter writer) {
this.writer = writer;
}
public SimpleFeatureType getFeatureType() {
return (SimpleFeatureType) writer.getFeatureType();
}
public boolean hasNext() throws IOException {
return writer.hasNext();
}
public SimpleFeature next() throws IOException {
return (SimpleFeature) writer.next();
}
public void remove() throws IOException {
writer.remove();
}
public void write() throws IOException {
writer.write();
}
public void close() throws IOException {
FeatureWriter w = writer;
while( w instanceof DelegatingFeatureWriter ) {
if ( w instanceof JDBCFeatureReader ) {
break;
}
w = ((DelegatingFeatureWriter)w).getDelegate();
}
if ( w instanceof JDBCFeatureReader ) {
JDBCFeatureReader jdbcReader = (JDBCFeatureReader) w;
JDBCFeatureSource fs = jdbcReader.featureSource;
Connection cx = jdbcReader.cx;
try {
writer.close();
}
finally {
fs.getDataStore().releaseConnection( cx, fs.getState() );
}
}
}
}