001 //$HeadURL:
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2010 by:
005 - Department of Geography, University of Bonn -
006 and
007 - lat/lon GmbH -
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.portal.cataloguemanager.control;
037
038 import java.io.IOException;
039 import java.io.InputStream;
040 import java.net.URL;
041 import java.util.ArrayList;
042 import java.util.List;
043
044 import javax.servlet.ServletException;
045 import javax.servlet.http.HttpServletRequest;
046 import javax.servlet.http.HttpServletResponse;
047
048 import org.deegree.enterprise.control.ajax.ResponseHandler;
049 import org.deegree.enterprise.control.ajax.WebEvent;
050 import org.deegree.framework.log.ILogger;
051 import org.deegree.framework.log.LoggerFactory;
052 import org.deegree.framework.util.HttpUtils;
053 import org.deegree.framework.xml.NamespaceContext;
054 import org.deegree.framework.xml.XMLFragment;
055 import org.deegree.framework.xml.XMLTools;
056 import org.deegree.ogcbase.CommonNamespaces;
057 import org.w3c.dom.Element;
058
059 /**
060 *
061 *
062 *
063 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
064 * @author last edited by: $Author: apoth $
065 *
066 * @version $Revision: 24932 $, $Date: 2010-06-17 20:16:34 +0200 (Do, 17. Jun 2010) $
067 */
068 public class GetMetadataListListener extends AbstractMetadataListener {
069
070 private static final ILogger LOG = LoggerFactory.getLogger( GetMetadataListListener.class );
071
072 private static NamespaceContext nsc = CommonNamespaces.getNamespaceContext();
073
074 /*
075 * (non-Javadoc)
076 *
077 * @see org.deegree.portal.cataloguemanager.control.AbstractMetadataListener#actionPerformed(
078 * org.deegree.enterprise.control.ajax.WebEvent, org.deegree.portal.cataloguemanager.control.ResponseHandler)
079 */
080 public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
081 throws IOException {
082 List<String[]> rows = new ArrayList<String[]>();
083 CatalogueManagerConfiguration config = getCatalogueManagerConfiguration( event );
084 String addr = config.getCatalogueURL();
085 URL url = getClass().getResource( "GetRecords.xml" );
086 // read all metadata sets from a CSW
087 InputStream is = HttpUtils.performHttpPost( addr, url.openStream(), 60000, null, null, "text/xml", null, null ).getResponseBodyAsStream();
088 try {
089 XMLFragment xml = new XMLFragment();
090 xml.load( is, addr );
091 String xpath = "./csw202:SearchResults/gmd:MD_Metadata";
092 List<Element> mdSets = XMLTools.getElements( xml.getRootElement(), xpath, nsc );
093 for ( Element element : mdSets ) {
094 String[] s = new String[3];
095 xpath = "./gmd:fileIdentifier/gco:CharacterString";
096 s[0] = XMLTools.getNodeAsString( element, xpath, nsc, "" );
097 xpath = "./gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:title/gco:CharacterString";
098 s[1] = XMLTools.getNodeAsString( element, xpath, nsc, "" );
099 xpath = "./gmd:identificationInfo/gmd:MD_DataIdentification/gmd:abstract/gco:CharacterString";
100 s[2] = XMLTools.getNodeAsString( element, xpath, nsc, "" );
101 rows.add( s );
102 }
103 } catch ( Exception e ) {
104 LOG.logError( e );
105 throw new IOException( e.getMessage() );
106 }
107
108 HttpServletRequest request = ( (HttpServletRequest) event.getSource() );
109 request.setAttribute( "METADATASETS", rows );
110
111 try {
112 HttpServletResponse resp = responseHandler.getHttpServletResponse();
113 // result page uses UTF-8 encoding
114 resp.setCharacterEncoding( "UTF-8" );
115 request.getRequestDispatcher( '/' + getNextPage() ).forward( request, resp );
116 } catch ( ServletException e ) {
117 throw new IOException( e.getMessage() );
118 }
119 }
120
121 }