001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/sos/WFSRequester.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstraße 19
030 53177 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 lat/lon GmbH
036 Aennchenstraße 19
037 53177 Bonn
038 Germany
039 E-Mail: greve@giub.uni-bonn.de
040
041 ---------------------------------------------------------------------------*/
042 package org.deegree.ogcwebservices.sos;
043
044 import java.io.ByteArrayInputStream;
045 import java.io.ByteArrayOutputStream;
046 import java.io.IOException;
047
048 import javax.xml.parsers.ParserConfigurationException;
049 import javax.xml.transform.TransformerException;
050
051 import org.deegree.framework.log.ILogger;
052 import org.deegree.framework.log.LoggerFactory;
053 import org.deegree.framework.xml.XMLParsingException;
054 import org.deegree.framework.xml.XMLTools;
055 import org.deegree.model.feature.FeatureCollection;
056 import org.deegree.model.feature.GMLFeatureAdapter;
057 import org.deegree.ogcwebservices.OGCWebService;
058 import org.deegree.ogcwebservices.wfs.operation.FeatureResult;
059 import org.deegree.ogcwebservices.wfs.operation.GetFeature;
060 import org.w3c.dom.Document;
061 import org.xml.sax.SAXException;
062
063 /**
064 * sends a request to a WFS and checks the result for errors
065 *
066 * @author <a href="mailto:mkulbe@lat-lon.de">Matthias Kulbe </a>
067 * @author last edited by: $Author:wanhoff$
068 *
069 * @version $Revision: 9345 $, $Date:20.03.2007$
070 */
071 public class WFSRequester {
072
073 private static ILogger LOG = LoggerFactory.getLogger( WFSRequester.class );
074
075 /**
076 *
077 * @param request
078 * @param ows
079 * @return
080 * @throws Exception
081 * @throws IOException
082 * @throws SAXException
083 * @throws ParserConfigurationException
084 * @throws XMLParsingException
085 * @throws TransformerException
086 */
087 public static Document sendWFSrequest( Document request, OGCWebService ows )
088 throws Exception {
089
090 GetFeature getFeature = GetFeature.create( "ID-" + System.currentTimeMillis(), request.getDocumentElement() );
091 FeatureResult result = (FeatureResult) ows.doService( getFeature );
092 ByteArrayOutputStream bos = new ByteArrayOutputStream( 100000 );
093
094 new GMLFeatureAdapter().export( (FeatureCollection) result.getResponse(), bos );
095
096 Document resultDoc = XMLTools.parse( new ByteArrayInputStream( bos.toByteArray() ) );
097
098 String nn = resultDoc.getDocumentElement().getLocalName();
099
100 if ( "FeatureCollection".equals( nn ) ) {
101 return resultDoc;
102 }
103 LOG.logDebug( "error: invalid wfs result" );
104 throw new XMLParsingException( "returned document doesn't contain a valid " + "WFS GetFeature response" );
105
106 }
107
108 }