/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2010, Geomatys
*
* 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.geotoolkit.sos;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import static org.geotoolkit.sos.AbstractSOSRequest.POOL;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import org.geotoolkit.sos.xml.v100.DescribeFeatureType;
/**
* Abstract implementation of {@link DescribeFeatureTypeRequest}, which defines the
* parameters for a DescribeFeatureType request.
*
* @author Cédric Briançon (Geomatys)
* @module
*/
public abstract class AbstractDescribeFeatureType extends AbstractSOSRequest implements DescribeFeatureTypeRequest {
/**
* The version to use for this webservice request.
*/
protected final String version;
private String featureId = null;
/**
* Defines the server url and the service version for this kind of request.
*
* @param server The server.
* @param version The version of the request.
*/
protected AbstractDescribeFeatureType(final SensorObservationServiceClient server, final String version) {
super(server);
this.version = version;
}
@Override
public String getFeatureId() {
return featureId;
}
@Override
public void setFeatureId(final String featureId) {
this.featureId = featureId;
}
@Override
public URL getURL() throws MalformedURLException {
throw new UnsupportedOperationException("Can not generate DescribeFeature URL.");
}
/**
* {@inheritDoc}
*/
@Override
public InputStream getResponseStream() throws IOException {
if (featureId == null) {
throw new IllegalArgumentException("The parameter \"featureId\" is not defined");
}
final URL url = new URL(serverURL);
URLConnection conec = url.openConnection();
conec = security.secure(conec);
conec.setDoOutput(true);
conec.setRequestProperty("Content-Type", "text/xml");
OutputStream stream = conec.getOutputStream();
stream = security.encrypt(stream);
try {
final Marshaller marsh = POOL.acquireMarshaller();
final DescribeFeatureType describeFeatureTypeXml =
new DescribeFeatureType(version, featureId);
marsh.marshal(describeFeatureTypeXml, stream);
POOL.recycle(marsh);
} catch (JAXBException ex) {
throw new IOException(ex);
}
stream.close();
return security.decrypt(conec.getInputStream());
}
}