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.net.URL;
040 import java.net.URLEncoder;
041 import java.nio.charset.Charset;
042 import java.util.Calendar;
043 import java.util.Enumeration;
044 import java.util.HashMap;
045 import java.util.List;
046 import java.util.Map;
047
048 import javax.servlet.http.HttpServletRequest;
049
050 import org.apache.commons.httpclient.HttpMethod;
051 import org.deegree.enterprise.control.ajax.ResponseHandler;
052 import org.deegree.enterprise.control.ajax.WebEvent;
053 import org.deegree.framework.log.ILogger;
054 import org.deegree.framework.log.LoggerFactory;
055 import org.deegree.framework.util.HttpUtils;
056 import org.deegree.framework.util.TimeTools;
057 import org.deegree.framework.xml.NamespaceContext;
058 import org.deegree.framework.xml.XMLFragment;
059 import org.deegree.framework.xml.XMLParsingException;
060 import org.deegree.framework.xml.XMLTools;
061 import org.deegree.ogcbase.CommonNamespaces;
062 import org.deegree.portal.cataloguemanager.model.ExceptionBean;
063 import org.deegree.portal.cataloguemanager.model.MetadataBean;
064
065 /**
066 *
067 *
068 *
069 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
070 * @author last edited by: $Author: apoth $
071 *
072 * @version $Revision: 27592 $, $Date: 2010-10-28 15:41:38 +0200 (Do, 28. Okt 2010) $
073 */
074 public class LoadMetadataSetListener extends AbstractMetadataListener {
075
076 private static ILogger LOG = LoggerFactory.getLogger( LoadMetadataSetListener.class );
077
078 private static String GRBID = "request=GetRecordById&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&service=CSW&version=2.0.2&ID=";
079
080 private static String PARAM_ID = "ID";
081
082 private XMLFragment xml;
083
084 private static NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
085
086 @SuppressWarnings("unchecked")
087 @Override
088 public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
089 throws IOException {
090
091 CatalogueManagerConfiguration config = getCatalogueManagerConfiguration( event );
092 Map<String, String> param = event.getParameter();
093 LOG.logDebug( "load metadataset request param: ", param );
094 String charset = event.getCharacterEncoding();
095 if ( charset == null ) {
096 charset = Charset.defaultCharset().displayName();
097 }
098
099 String s = URLEncoder.encode( param.get( PARAM_ID ), charset );
100 URL url = new URL( config.getCatalogueURL() + '?' + GRBID + s );
101 LOG.logDebug( "load metadataset: ", url );
102 try {
103 Enumeration<String> en = ( (HttpServletRequest) getRequest() ).getHeaderNames();
104 Map<String, String> map = new HashMap<String, String>();
105 while ( en.hasMoreElements() ) {
106 String name = (String) en.nextElement();
107 map.put( name, ( (HttpServletRequest) getRequest() ).getHeader( name ) );
108 }
109 HttpMethod get = HttpUtils.performHttpGet( url.toExternalForm(), null, 60000, null, null, map );
110 xml = new XMLFragment();
111 xml.load( get.getResponseBodyAsStream(), url.toExternalForm() );
112 xml = new XMLFragment( XMLTools.getFirstChildElement( xml.getRootElement() ) );
113 } catch ( Exception e ) {
114 LOG.logError( e.getMessage(), e );
115 ExceptionBean eb = new ExceptionBean( getClass().getName(), e.getMessage() );
116 responseHandler.writeAndClose( true, eb );
117 return;
118 }
119 if ( LOG.getLevel() == ILogger.LOG_DEBUG ) {
120 LOG.logDebug( xml.getAsPrettyString() );
121 }
122
123 event.getSession().setAttribute( "MD_TEMPLATE", xml );
124
125 MetadataBean metadata = new MetadataBean();
126
127 if ( param.get( "ISTEMPLATE" ) == null || "false".equalsIgnoreCase( param.get( "ISTEMPLATE" ) ) ) {
128 String tmp = getValue( config.getXPath( "datasetTitle" ) );
129 if ( "".equals( tmp ) ) {
130 tmp = getValue( config.getXPath( "seviceTitle" ) );
131 }
132 metadata.setDatasetTitle( tmp );
133 metadata.setIdentifier( getValue( config.getXPath( "identifier" ) ) );
134 metadata.setAbstract_( getValue( config.getXPath( "abstract_" ) ) );
135 }
136 String tmp = getValue( config.getXPath( "begin" ) );
137 if ( tmp != null && tmp.trim().length() > 0 ) {
138 Calendar cal = TimeTools.createCalendar( tmp );
139 metadata.setBegin( toISO( cal ) );
140 }
141 metadata.setContactCity( getValue( config.getXPath( "contactCity" ) ) );
142 metadata.setContactCountry( getValue( config.getXPath( "contactCountry" ) ) );
143 metadata.setContactDeliveryPoint( getValue( config.getXPath( "contactDeliveryPoint" ) ) );
144 metadata.setContactEmailAddress( getValue( config.getXPath( "contactEmailAddress" ) ) );
145 metadata.setContactFacsimile( getValue( config.getXPath( "contactFacsimile" ) ) );
146 metadata.setContactIndividualName( getValue( config.getXPath( "contactIndividualName" ) ) );
147 metadata.setContactOrganisationName( getValue( config.getXPath( "contactOrganisationName" ) ) );
148 metadata.setContactPostalCode( getValue( config.getXPath( "contactPostalCode" ) ) );
149 metadata.setContactRole( getValue( config.getXPath( "contactRole" ) ) );
150 metadata.setContactVoice( getValue( config.getXPath( "contactVoice" ) ) );
151 tmp = getValue( config.getXPath( "creation" ) );
152 if ( tmp != null && tmp.trim().length() > 0 ) {
153 Calendar cal = TimeTools.createCalendar( tmp );
154 metadata.setCreation( toISO( cal ) );
155 }
156 metadata.setCrs( getValue( config.getXPath( "crs" ) ) );
157 tmp = getValue( config.getXPath( "end" ) );
158 if ( tmp != null && tmp.trim().length() > 0 ) {
159 Calendar cal = TimeTools.createCalendar( tmp );
160 metadata.setEnd( toISO( cal ) );
161 }
162 metadata.setGeogrDescription( getValue( config.getXPath( "geogrDescription" ) ) );
163 metadata.setHlevel( getValue( config.getXPath( "hlevel" ) ) );
164
165 metadata.setKeywords( getValues( config.getXPath( "keywords" ) ) );
166 metadata.setParentId( getValue( config.getXPath( "parentId" ) ) );
167 metadata.setPocCity( getValue( config.getXPath( "pocCity" ) ) );
168 metadata.setPocCountry( getValue( config.getXPath( "pocCountry" ) ) );
169 metadata.setPocDeliveryPoint( getValue( config.getXPath( "pocDeliveryPoint" ) ) );
170 metadata.setPocEmailAddress( getValue( config.getXPath( "pocEmailAddress" ) ) );
171 metadata.setPocFacsimile( getValue( config.getXPath( "pocFacsimile" ) ) );
172 metadata.setPocIndividualName( getValue( config.getXPath( "pocIndividualName" ) ) );
173 metadata.setPocOrganisationName( getValue( config.getXPath( "pocOrganisationName" ) ) );
174 metadata.setPocPostalCode( getValue( config.getXPath( "pocPostalCode" ) ) );
175 metadata.setPocRole( getValue( config.getXPath( "pocRole" ) ) );
176 metadata.setPocVoice( getValue( config.getXPath( "pocVoice" ) ) );
177 tmp = getValue( config.getXPath( "publication" ) );
178 if ( tmp != null && tmp.trim().length() > 0 ) {
179 Calendar cal = TimeTools.createCalendar( tmp );
180 metadata.setPublication( toISO( cal ) );
181 }
182 tmp = getValue( config.getXPath( "revision" ) );
183 if ( tmp != null && tmp.trim().length() > 0 ) {
184 Calendar cal = TimeTools.createCalendar( tmp );
185 metadata.setRevision( toISO( cal ) );
186 }
187 metadata.setScale( getValue( config.getXPath( "scale" ) ) );
188 metadata.setTopCat( getValue( config.getXPath( "topCat" ) ) );
189
190 tmp = getValue( config.getXPath( "begin" ) );
191 if ( tmp.length() == 0 ) {
192 tmp = getValue( config.getXPath( "begin2" ) );
193 }
194 Calendar cal = TimeTools.createCalendar( tmp );
195 metadata.setBegin( toISO( cal ) );
196
197 tmp = getValue( config.getXPath( "end" ) );
198 if ( tmp.length() == 0 ) {
199 tmp = getValue( config.getXPath( "end2" ) );
200 }
201 cal = TimeTools.createCalendar( tmp );
202 metadata.setEnd( toISO( cal ) );
203 metadata.setLineage( getValue( config.getXPath( "lineage" ) ) );
204
205 metadata.setTransferOnline( getValue( config.getXPath( "transferOptOnline" ) ) );
206
207 // result page uses UTF-8 encoding
208 String charEnc = Charset.defaultCharset().displayName();
209 responseHandler.setContentType( "application/json; charset=" + charEnc );
210 responseHandler.writeAndClose( true, metadata );
211 }
212
213 private String toISO( Calendar cal ) {
214 StringBuffer sb = new StringBuffer();
215 sb.append( Integer.toString( cal.get( Calendar.YEAR ) ) ).append( '-' );
216 sb.append( Integer.toString( cal.get( Calendar.MONTH ) + 1 ) ).append( '-' );
217 sb.append( Integer.toString( cal.get( Calendar.DAY_OF_MONTH ) ) );
218 return sb.toString();
219 }
220
221 private String getValue( String xPath )
222 throws IOException {
223 try {
224 return XMLTools.getNodeAsString( xml.getRootElement(), xPath, nsContext, "" );
225 } catch ( XMLParsingException e ) {
226 throw new IOException( e.getMessage() );
227 }
228 }
229
230 private List<String> getValues( String xPath )
231 throws IOException {
232 try {
233 return XMLTools.getNodesAsStringList( xml.getRootElement(), xPath, nsContext );
234 } catch ( XMLParsingException e ) {
235 throw new IOException( e.getMessage() );
236 }
237 }
238 }