001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/standard/gazetteer/FindChildrenCommand.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 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.standard.gazetteer;
037
038 import java.util.List;
039 import java.util.Map;
040 import java.util.UUID;
041
042 import org.deegree.datatypes.QualifiedName;
043 import org.deegree.model.filterencoding.ComplexFilter;
044 import org.deegree.model.filterencoding.Literal;
045 import org.deegree.model.filterencoding.Operation;
046 import org.deegree.model.filterencoding.OperationDefines;
047 import org.deegree.model.filterencoding.PropertyIsCOMPOperation;
048 import org.deegree.model.filterencoding.PropertyName;
049 import org.deegree.ogcbase.PropertyPath;
050 import org.deegree.ogcbase.SortProperty;
051 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilities;
052 import org.deegree.ogcwebservices.wfs.operation.GetFeature;
053 import org.deegree.ogcwebservices.wfs.operation.Query;
054 import org.deegree.ogcwebservices.wfs.operation.GetFeature.RESULT_TYPE;
055
056 /**
057 * TODO add class documentation here
058 *
059 * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
060 * @author last edited by: $Author: apoth $
061 *
062 * @version $Revision: 26454 $, $Date: 2010-09-03 16:37:00 +0200 (Fr, 03 Sep 2010) $
063 */
064 public class FindChildrenCommand extends AbstractGazetteerCommand {
065
066 private String geographicIdentifier;
067
068 /**
069 *
070 * @param gazetteerAddress
071 * @param featureType
072 * @param properties
073 * @param geographicIdentifier
074 */
075 FindChildrenCommand( String gazetteerAddress, QualifiedName featureType, Map<String, String> properties,
076 String geographicIdentifier ) {
077 this.gazetteerAddress = gazetteerAddress;
078 this.featureType = featureType;
079 this.geographicIdentifier = geographicIdentifier;
080 this.properties = properties;
081 }
082
083 /*
084 * (non-Javadoc)
085 *
086 * @see org.deegree.kernel.Command#execute()
087 */
088 List<GazetteerItem> execute()
089 throws Exception {
090 if ( !capabilitiesMap.containsKey( gazetteerAddress ) ) {
091 loadCapabilities();
092 }
093 WFSCapabilities capabilities = capabilitiesMap.get( gazetteerAddress );
094
095 PropertyName propertyName = new PropertyName( createPropertyPath( properties.get( "ParentIdentifier" ) ) );
096
097 PropertyPath sortProperty = createPropertyPath( properties.get( "DisplayName" ) );
098 SortProperty[] sp = new SortProperty[] { SortProperty.create( sortProperty, "ASC" ) };
099
100 Literal literal = new Literal( geographicIdentifier );
101 Operation operation = new PropertyIsCOMPOperation( OperationDefines.PROPERTYISEQUALTO, propertyName, literal );
102 ComplexFilter filter = new ComplexFilter( operation );
103
104 // create Query and GetFeature request
105 // select just properties needed to fill result list
106 PropertyPath[] propertyNames = getResultProperties( properties );
107
108 Query query = Query.create( propertyNames, null, sp, null, null, new QualifiedName[] { featureType }, null,
109 null, filter, 500, 0, RESULT_TYPE.RESULTS );
110 GetFeature getFeature = GetFeature.create( capabilities.getVersion(), UUID.randomUUID().toString(),
111 RESULT_TYPE.RESULTS, GetFeature.FORMAT_GML3, null, 500, 0, -1, -1,
112 new Query[] { query } );
113
114 // perform GetFeature request and create resulting GazetteerItems list
115 createItemsList( performGetFeature( capabilities, getFeature ) );
116 return items;
117 }
118
119 }