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 org.deegree.enterprise.control.ajax.ResponseHandler;
045 import org.deegree.enterprise.control.ajax.WebEvent;
046 import org.deegree.framework.log.ILogger;
047 import org.deegree.framework.log.LoggerFactory;
048 import org.deegree.framework.util.HttpUtils;
049 import org.deegree.framework.xml.NamespaceContext;
050 import org.deegree.framework.xml.XMLFragment;
051 import org.deegree.framework.xml.XMLTools;
052 import org.deegree.ogcbase.CommonNamespaces;
053 import org.w3c.dom.Element;
054
055 /**
056 *
057 *
058 *
059 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
060 * @author last edited by: $Author: apoth $
061 *
062 * @version $Revision: 24932 $, $Date: 2010-06-17 20:16:34 +0200 (Do, 17. Jun 2010) $
063 */
064 public class GetParentsListener extends AbstractMetadataListener {
065
066 private static final ILogger LOG = LoggerFactory.getLogger( GetParentsListener.class );
067
068 private static NamespaceContext nsc = CommonNamespaces.getNamespaceContext();
069
070 /*
071 * (non-Javadoc)
072 *
073 * @see org.deegree.portal.cataloguemanager.control.AbstractMetadataListener#actionPerformed(
074 * org.deegree.enterprise.control.ajax.WebEvent, org.deegree.portal.cataloguemanager.control.ResponseHandler)
075 */
076 public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
077 throws IOException {
078 List<String> parents = new ArrayList<String>();
079 CatalogueManagerConfiguration config = getCatalogueManagerConfiguration( event );
080 String addr = config.getCatalogueURL();
081 URL url = getClass().getResource( "GetRecordsSeries.xml" );
082 // read all metadata series from a CSW
083 LOG.logInfo( "CSW Address: ", addr );
084 InputStream is = HttpUtils.performHttpPost( addr, url.openStream(), 60000, null, null, "text/xml", null, null ).getResponseBodyAsStream();
085 try {
086 XMLFragment xml = new XMLFragment();
087 xml.load( is, addr );
088 String xpath = "./csw202:SearchResults/gmd:MD_Metadata";
089 List<Element> mdSets = XMLTools.getElements( xml.getRootElement(), xpath, nsc );
090 for ( Element element : mdSets ) {
091 xpath = "./gmd:fileIdentifier/gco:CharacterString";
092 String s1 = XMLTools.getNodeAsString( element, xpath, nsc, "" );
093 xpath = "./gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:title/gco:CharacterString";
094 String s2 = XMLTools.getNodeAsString( element, xpath, nsc, "" );
095 parents.add( s1 + ';' + s2 );
096 }
097 } catch ( Exception e ) {
098 LOG.logError( e );
099 throw new IOException( e.getMessage() );
100 }
101 responseHandler.writeAndClose( false, parents );
102 }
103
104 }