/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
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; either
version 2.1 of the License, or (at your option) any later version.
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.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstraße 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
lat/lon GmbH
Aennchenstraße 19
53177 Bonn
Germany
E-Mail: fitzke@lat-lon.de
---------------------------------------------------------------------------*/
package org.deegree.ogcwebservices.sos;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
import org.deegree.framework.xml.XMLParsingException;
import org.deegree.framework.xml.XMLTools;
import org.deegree.model.feature.FeatureCollection;
import org.deegree.model.feature.GMLFeatureAdapter;
import org.deegree.ogcwebservices.OGCWebService;
import org.deegree.ogcwebservices.wfs.operation.FeatureResult;
import org.deegree.ogcwebservices.wfs.operation.GetFeature;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
/**
* sends a request to a WFS and checks the result for errors
*
* @author <a href="mailto:mkulbe@lat-lon.de">Matthias Kulbe </a>
*
*/
public class WFSRequester {
private static ILogger LOG = LoggerFactory.getLogger(WFSRequester.class);
/**
*
* @param request
* @param href
* @return
* @throws IOException
* @throws SAXException
* @throws ParserConfigurationException
* @throws XMLParsingException
* @throws TransformerException
*/
public static Document sendWFSrequest(Document request, OGCWebService ows) throws Exception {
GetFeature getFeature =
GetFeature.create( "ID-" + System.currentTimeMillis(), request.getDocumentElement() );
FeatureResult result = (FeatureResult)ows.doService( getFeature );
ByteArrayOutputStream bos = new ByteArrayOutputStream( 100000 );
new GMLFeatureAdapter().export( (FeatureCollection)result.getResponse(), bos );
Document resultDoc = XMLTools.parse( new ByteArrayInputStream( bos.toByteArray() ) );
String nn = resultDoc.getDocumentElement().getLocalName();
if ( "FeatureCollection".equals( nn ) ) {
return resultDoc;
}
LOG.logDebug("error: invalid wfs result");
throw new XMLParsingException( "returned document doesn't contain a valid " +
"WFS GetFeature response" );
}
}/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: WFSRequester.java,v $
Revision 1.12 2006/08/24 06:42:16 poth
File header corrected
Revision 1.11 2006/07/12 14:46:18 poth
comment footer added
********************************************************************** */