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.ByteArrayOutputStream;
039 import java.io.IOException;
040 import java.net.URL;
041 import java.nio.charset.Charset;
042 import java.util.List;
043
044 import javax.xml.bind.JAXBContext;
045 import javax.xml.bind.JAXBException;
046 import javax.xml.bind.Marshaller;
047 import javax.xml.bind.Unmarshaller;
048
049 import org.apache.commons.httpclient.HttpClient;
050 import org.apache.commons.httpclient.HttpException;
051 import org.apache.commons.httpclient.methods.PostMethod;
052 import org.apache.commons.httpclient.methods.StringRequestEntity;
053 import org.deegree.enterprise.control.ajax.ResponseHandler;
054 import org.deegree.enterprise.control.ajax.WebEvent;
055 import org.deegree.framework.log.ILogger;
056 import org.deegree.framework.log.LoggerFactory;
057 import org.deegree.framework.util.FileUtils;
058 import org.deegree.framework.util.StringTools;
059 import org.deegree.framework.util.TimeTools;
060 import org.deegree.portal.cataloguemanager.model.CICitation;
061 import org.deegree.portal.cataloguemanager.model.CIOnlineResource;
062 import org.deegree.portal.cataloguemanager.model.Date;
063 import org.deegree.portal.cataloguemanager.model.DistributionFormat;
064 import org.deegree.portal.cataloguemanager.model.ExceptionBean;
065 import org.deegree.portal.cataloguemanager.model.Linkage;
066 import org.deegree.portal.cataloguemanager.model.MDDataIdentification;
067 import org.deegree.portal.cataloguemanager.model.MDDigitalTransferOptions;
068 import org.deegree.portal.cataloguemanager.model.MDDistribution;
069 import org.deegree.portal.cataloguemanager.model.MDFormat;
070 import org.deegree.portal.cataloguemanager.model.MDMetadata;
071 import org.deegree.portal.cataloguemanager.model.MDReferenceSystem;
072 import org.deegree.portal.cataloguemanager.model.MDRepresentativeFraction;
073 import org.deegree.portal.cataloguemanager.model.MetadataBean;
074 import org.deegree.portal.cataloguemanager.model.Name;
075 import org.deegree.portal.cataloguemanager.model.OnLine;
076 import org.deegree.portal.cataloguemanager.model.SpatialResolution;
077 import org.deegree.portal.cataloguemanager.model.TransferOptions;
078 import org.deegree.portal.cataloguemanager.model.Version;
079
080 /**
081 *
082 *
083 *
084 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
085 * @author last edited by: $Author: apoth $
086 *
087 * @version $Revision: 27070 $, $Date: 2010-09-29 10:23:47 +0200 (Mi, 29. Sep 2010) $
088 */
089 public class UpdateMetadataListener extends InsertMetadataListener {
090
091 private static final ILogger LOG = LoggerFactory.getLogger( UpdateMetadataListener.class );
092
093 @Override
094 public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
095 throws IOException {
096
097 try {
098 conf = getCatalogueManagerConfiguration( event );
099 MetadataBean bean = (MetadataBean) event.getAsBean();
100
101 JAXBContext jc = JAXBContext.newInstance( "org.deegree.portal.cataloguemanager.model" );
102 Unmarshaller u = jc.createUnmarshaller();
103
104 String tmp = conf.getTemplateURL( bean.getHlevel() );
105 URL url = conf.resolve( tmp );
106 MDMetadata mdMetadata = (MDMetadata) u.unmarshal( url );
107 tmp = bean.getHlevel();
108 if ( "series".equalsIgnoreCase( tmp ) ) {
109 tmp = "datasetcollection";
110 }
111 mdMetadata.getHierarchyLevelName().setCharacterString( tmp );
112
113 // metadata settings
114 mdMetadata.getFileIdentifier().setCharacterString( bean.getIdentifier() );
115 setContact( mdMetadata, bean );
116 mdMetadata.getDateStamp().setDateTime( TimeTools.getISOFormattedTime() );
117 if ( bean.getCrs() != null ) {
118 MDReferenceSystem mdRef = mdMetadata.getReferenceSystemInfo().getMDReferenceSystem();
119 mdRef.getReferenceSystemIdentifier().getRSIdentifier().getCode().setCharacterString( bean.getCrs() );
120 }
121
122 // data identification settings
123 MDDataIdentification mdDataId = mdMetadata.getIdentificationInfo().getMDDataIdentification();
124 mdDataId.getAbstract().setCharacterString( bean.getAbstract_() );
125 setKeywords( mdDataId, bean );
126 setPointOfContact( mdDataId, bean );
127 mdDataId.getTopicCategory().setMDTopicCategoryCode( bean.getTopCat() );
128 setExtent( mdDataId, bean );
129 SpatialResolution spr = mdDataId.getSpatialResolution();
130 if ( bean.getScale() == null || bean.getScale().trim().length() == 0 ) {
131 mdDataId.setSpatialResolution( null );
132 } else {
133 MDRepresentativeFraction frac = spr.getMDResolution().getEquivalentScale().getMDRepresentativeFraction();
134 frac.getDenominator().setInteger( Integer.parseInt( bean.getScale().trim() ) );
135 }
136
137 CICitation citation = mdDataId.getCitation().getCICitation();
138 citation.getTitle().setCharacterString( bean.getDatasetTitle() );
139 citation.getIdentifier().getMDIdentifier().getCode().setCharacterString( bean.getIdentifier() );
140
141 List<Date> dates = citation.getDate();
142 dates.clear();
143 if ( bean.getCreation() != null ) {
144 addDate( dates, "creation", bean.getCreation() );
145 }
146 if ( bean.getPublication() != null ) {
147 addDate( dates, "publication", bean.getPublication() );
148 }
149 if ( bean.getRevision() != null ) {
150 addDate( dates, "revision", bean.getRevision() );
151 }
152
153 if ( bean.getTransferOnline() != null && bean.getTransferOnline().trim().length() > 0 ) {
154 setDistributionInfo( mdMetadata, bean );
155 } else {
156 mdMetadata.setDistributionInfo( null );
157 }
158
159 if ( bean.getLineage() != null && bean.getLineage().trim().length() > 0 ) {
160 mdMetadata.getDataQualityInfo().getDQDataQuality().getLineage().getLILineage().getStatement().setCharacterString(
161 bean.getLineage() );
162 } else {
163 mdMetadata.setDataQualityInfo( null );
164 }
165
166 updateCSW( responseHandler, mdMetadata );
167
168 } catch ( Exception e ) {
169 LOG.logError( e.getMessage(), e );
170 ExceptionBean eb = new ExceptionBean( getClass().getName(), e.getMessage() );
171 responseHandler.writeAndClose( true, eb );
172 return;
173 }
174
175 }
176
177 private void setDistributionInfo( MDMetadata mdMetadata, MetadataBean bean ) {
178 MDDistribution mddist = mdMetadata.getDistributionInfo().getMDDistribution();
179 if ( mddist == null ) {
180 mddist = new MDDistribution();
181 TransferOptions to = new TransferOptions();
182 MDDigitalTransferOptions dto = new MDDigitalTransferOptions();
183 OnLine ol = new OnLine();
184 CIOnlineResource ciolr = new CIOnlineResource();
185 ciolr.setLinkage( new Linkage() );
186 ol.setCIOnlineResource( ciolr );
187 dto.setOnLine( ol );
188 to.setMDDigitalTransferOptions( dto );
189 mddist.setTransferOptions( to );
190 }
191 MDDigitalTransferOptions to = mddist.getTransferOptions().getMDDigitalTransferOptions();
192 to.getOnLine().getCIOnlineResource().getLinkage().setURL( bean.getTransferOnline() );
193 if ( bean.getTransferFormatName() != null && bean.getTransferFormatName().length() > 0 ) {
194 DistributionFormat format = mdMetadata.getDistributionInfo().getMDDistribution().getDistributionFormat();
195 if ( format == null ) {
196 format = new DistributionFormat();
197 MDFormat mdf = new MDFormat();
198 mdf.setName( new Name() );
199 mdf.setVersion( new Version() );
200 format.setMDFormat( mdf );
201 }
202 format.getMDFormat().getName().setCharacterString( bean.getTransferFormatName() );
203 if ( bean.getTransferFormatVersion() != null && bean.getTransferFormatVersion().length() > 0 ) {
204 format.getMDFormat().getVersion().setCharacterString( bean.getTransferFormatVersion() );
205 } else {
206 format.getMDFormat().getVersion().setCharacterString( "unknown" );
207 }
208 } else {
209 mdMetadata.getDistributionInfo().getMDDistribution().setDistributionFormat( null );
210 }
211 }
212
213 private String updateCSW( ResponseHandler responseHandler, MDMetadata mdMetadata )
214 throws JAXBException, IOException, HttpException {
215
216 JAXBContext jc = JAXBContext.newInstance( "org.deegree.portal.cataloguemanager.model" );
217 Marshaller m = jc.createMarshaller();
218
219 ByteArrayOutputStream bos = new ByteArrayOutputStream( 10000 );
220 m.marshal( mdMetadata, bos );
221
222 URL url = getClass().getResource( "update.xml" );
223 String s = FileUtils.readTextFile( url ).toString();
224 String t = new String( bos.toByteArray() );
225 int c = t.indexOf( "?>" );
226 t = t.substring( c + 2 );
227 s = StringTools.replace( s, "$id$", mdMetadata.getFileIdentifier().getCharacterString(), false );
228 s = StringTools.replace( s, "$data$", t, false );
229 String csw = conf.getCatalogueURL();
230 PostMethod post = new PostMethod( csw );
231 post.getParams().setContentCharset( Charset.defaultCharset().displayName() );
232 StringRequestEntity re = new StringRequestEntity( s );
233 post.setRequestEntity( re );
234 HttpClient client = new HttpClient();
235 client.executeMethod( post );
236 s = post.getResponseBodyAsString();
237 if ( s.toLowerCase().indexOf( "exception" ) > -1 ) {
238 ExceptionBean eb = new ExceptionBean( getClass().getName(), "update failed" );
239 responseHandler.writeAndClose( true, eb );
240 } else {
241 responseHandler.writeAndClose( "insert performed" );
242 }
243
244 return s;
245 }
246
247 }