001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wps/describeprocess/DescribeProcessRequestHandler.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2005 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/exse/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstraße 19
030 53177 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ---------------------------------------------------------------------------*/
043 package org.deegree.ogcwebservices.wps.describeprocess;
044
045 import java.util.ArrayList;
046 import java.util.List;
047 import java.util.Map;
048
049 import org.deegree.datatypes.Code;
050 import org.deegree.framework.log.ILogger;
051 import org.deegree.framework.log.LoggerFactory;
052 import org.deegree.ogcwebservices.InvalidParameterValueException;
053 import org.deegree.ogcwebservices.OGCWebServiceException;
054 import org.deegree.ogcwebservices.wps.WPService;
055 import org.deegree.ogcwebservices.wps.configuration.WPSConfiguration;
056 import org.deegree.ogcwebservices.wps.execute.Process;
057
058 /**
059 * DescribeProcessRequestHandler.java
060 *
061 * Created on 10.03.2006. 12:06:58h
062 *
063 * @author <a href="mailto:christian@kiehle.org">Christian Kiehle</a>
064 * @author <a href="mailto:christian.heier@gmx.de">Christian Heier</a>
065 *
066 * @version 1.0.
067 *
068 * @since 2.0
069 */
070
071 public class DescribeProcessRequestHandler {
072
073 private static ILogger LOG = LoggerFactory.getLogger( DescribeProcessRequestHandler.class );
074
075 private WPService wpService = null;
076
077 /**
078 *
079 * @param wpService
080 */
081 public DescribeProcessRequestHandler( WPService wpService ) {
082 this.wpService = wpService;
083 }
084
085 /**
086 *
087 * @param describeProcessRequest
088 * @return
089 * @throws OGCWebServiceException
090 */
091 public ProcessDescriptions handleRequest( DescribeProcessRequest describeProcessRequest )
092 throws OGCWebServiceException {
093
094 // Get configuration from current wps instance
095 WPSConfiguration wpsConfiguration = wpService.getConfiguration();
096
097 // Get the map of registered Processes from wps configuration
098 Map<String, Process> processesMap = wpsConfiguration.getRegisteredProcesses();
099
100 // Get list of requested process descriptions from
101 // wpsDescribeProcessRequest
102 List<Code> requestedProcessesList = describeProcessRequest.getIdentifier();
103
104 // Prepare list of process description to return
105 List<ProcessDescription> processDescriptionList = new ArrayList<ProcessDescription>();
106
107 // If the requested process is registered in current wps instance add it
108 // to
109 // processDescriptions, otherwise throw exception
110 int requestedProcessesSize = requestedProcessesList.size();
111 for ( int i = 0; i < requestedProcessesSize; i++ ) {
112
113 Code requestedProcess = requestedProcessesList.get( i );
114
115 String identifier = requestedProcess.getCode().toUpperCase();
116
117 if ( processesMap.containsKey( identifier ) ) {
118
119 Process process = processesMap.get( identifier );
120
121 ProcessDescription processDescription = process.getProcessDescription();
122 processDescriptionList.add( i, processDescription );
123
124 } else {
125 String msg = "Process '" + identifier + "' is not supported by this WPS.";
126 LOG.logError( msg );
127 throw new InvalidParameterValueException( "Identifier", msg );
128 }
129 }
130 return new ProcessDescriptions( processDescriptionList );
131 }
132
133 }
134 /* ********************************************************************
135 Changes to this class. What the people have been up to:
136 $Log$
137 Revision 1.3 2006/08/24 06:42:16 poth
138 File header corrected
139
140 Revision 1.2 2006/07/12 14:46:15 poth
141 comment footer added
142
143 ********************************************************************** */