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.Enumeration; 043 import java.util.HashMap; 044 import java.util.List; 045 import java.util.Map; 046 047 import javax.servlet.http.HttpServletRequest; 048 049 import org.deegree.enterprise.control.ajax.ResponseHandler; 050 import org.deegree.enterprise.control.ajax.WebEvent; 051 import org.deegree.framework.log.ILogger; 052 import org.deegree.framework.log.LoggerFactory; 053 import org.deegree.framework.util.HttpUtils; 054 import org.deegree.framework.xml.NamespaceContext; 055 import org.deegree.framework.xml.XMLFragment; 056 import org.deegree.framework.xml.XMLTools; 057 import org.deegree.ogcbase.CommonNamespaces; 058 import org.w3c.dom.Element; 059 060 /** 061 * 062 * 063 * 064 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a> 065 * @author last edited by: $Author: apoth $ 066 * 067 * @version $Revision: 30690 $, $Date: 2011-05-06 10:23:46 +0200 (Fr, 06 Mai 2011) $ 068 */ 069 public class GetParentsListener extends AbstractMetadataListener { 070 071 private static final ILogger LOG = LoggerFactory.getLogger( GetParentsListener.class ); 072 073 private static NamespaceContext nsc = CommonNamespaces.getNamespaceContext(); 074 075 /* 076 * (non-Javadoc) 077 * 078 * @see org.deegree.portal.cataloguemanager.control.AbstractMetadataListener#actionPerformed( 079 * org.deegree.enterprise.control.ajax.WebEvent, org.deegree.portal.cataloguemanager.control.ResponseHandler) 080 */ 081 @SuppressWarnings("unchecked") 082 public void actionPerformed( WebEvent event, ResponseHandler responseHandler ) 083 throws IOException { 084 List<String> parents = new ArrayList<String>(); 085 CatalogueManagerConfiguration config = getCatalogueManagerConfiguration( event ); 086 String addr = config.getCatalogueURL(); 087 URL url = getClass().getResource( "GetRecordsSeries.xml" ); 088 // read all metadata series from a CSW 089 LOG.logInfo( "CSW Address: ", addr ); 090 Enumeration<String> en = ( (HttpServletRequest) getRequest() ).getHeaderNames(); 091 Map<String, String> map = new HashMap<String, String>(); 092 while ( en.hasMoreElements() ) { 093 String name = (String) en.nextElement(); 094 if ( !name.equalsIgnoreCase( "accept-encoding" ) && !name.equalsIgnoreCase( "content-length" ) 095 && !name.equalsIgnoreCase( "user-agent" ) ) { 096 map.put( name, ( (HttpServletRequest) getRequest() ).getHeader( name ) ); 097 } 098 } 099 InputStream is = HttpUtils.performHttpPost( addr, url.openStream(), 60000, null, null, "text/xml", null, map ).getResponseBodyAsStream(); 100 try { 101 XMLFragment xml = new XMLFragment(); 102 xml.load( is, addr ); 103 String xpath = "./csw202:SearchResults/gmd:MD_Metadata"; 104 List<Element> mdSets = XMLTools.getElements( xml.getRootElement(), xpath, nsc ); 105 for ( Element element : mdSets ) { 106 xpath = "./gmd:fileIdentifier/gco:CharacterString"; 107 String s1 = XMLTools.getNodeAsString( element, xpath, nsc, "" ); 108 xpath = "./gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:title/gco:CharacterString"; 109 String s2 = XMLTools.getNodeAsString( element, xpath, nsc, "" ); 110 parents.add( s1 + ';' + s2 ); 111 } 112 } catch ( Exception e ) { 113 LOG.logError( e ); 114 throw new IOException( e.getMessage() ); 115 } 116 responseHandler.writeAndClose( false, parents ); 117 } 118 119 }