001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wps/configuration/WPSConfigurationDocument.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.configuration;
044
045 import java.net.MalformedURLException;
046
047 import org.deegree.framework.log.ILogger;
048 import org.deegree.framework.log.LoggerFactory;
049 import org.deegree.framework.util.StringTools;
050 import org.deegree.framework.xml.InvalidConfigurationException;
051 import org.deegree.framework.xml.XMLParsingException;
052 import org.deegree.framework.xml.XMLTools;
053 import org.deegree.model.metadata.iso19115.OnlineResource;
054 import org.deegree.ogcwebservices.wps.capabilities.WPSCapabilitiesDocument;
055 import org.deegree.ogcwebservices.wps.execute.RequestQueueManager;
056 import org.w3c.dom.Element;
057
058 /**
059 * WPSConfigurationDocument.java
060 *
061 * Created on 08.03.2006. 20:38:30h
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 public class WPSConfigurationDocument extends WPSCapabilitiesDocument {
071
072 protected static final ILogger LOG = LoggerFactory.getLogger( WPSConfigurationDocument.class );
073
074 /**
075 * Creates a class representation of the document.
076 *
077 * @return class representation of the configuration document
078 */
079 public WPSConfiguration getConfiguration() throws InvalidConfigurationException {
080 WPSConfiguration WPSConfiguration = null;
081
082 try {
083 // last Parameter <code>ProcessOfferings</code> set to null, because
084 // <code>WPSConfiguration</code>
085 // constructor is responsible for instantiating ProcessOfferings
086 WPSConfiguration = new WPSConfiguration( parseVersion(), parseUpdateSequence(),
087 getServiceIdentification(), getServiceProvider(), getOperationsMetadata(),
088 null, getDeegreeParams() );
089 } catch ( XMLParsingException e ) {
090 LOG.logError( e.getMessage() );
091 throw new InvalidConfigurationException( e.getMessage() + "\n"
092 + StringTools.stackTraceToString( e ) );
093 }
094 return WPSConfiguration;
095 }
096
097 /**
098 * Creates a class representation of the <code>deegreeParams</code>-
099 * section.
100 *
101 * @return
102 * @throws InvalidConfigurationException
103 */
104 public WPSDeegreeParams getDeegreeParams() throws InvalidConfigurationException {
105 LOG.logInfo( nsContext.toString() );
106 WPSDeegreeParams deegreeParams = null;
107
108 try {
109 Element element = ( Element ) XMLTools.getRequiredNode( getRootElement(),
110 "./deegreewps:deegreeParams", nsContext );
111 OnlineResource defaultOnlineResource = parseOnLineResource( ( Element ) XMLTools
112 .getRequiredNode( element, "./deegreewps:DefaultOnlineResource", nsContext ) );
113 int cacheSize = XMLTools.getNodeAsInt( element, "./deegreewps:CacheSize/text()",
114 nsContext, 100 );
115 int requestTimeLimit = XMLTools.getNodeAsInt( element,
116 "./deegreewps:RequestTimeLimit/text()", nsContext, 2 );
117
118 String[] processDirectories = XMLTools.getNodesAsStrings( element,
119 "./deegreewps:ProcessDirectoryList/deegreewps:ProcessDirectory/text()",
120 nsContext );
121 int lengthOfProcessDirectoryList = processDirectories.length;
122 if ( 0 == lengthOfProcessDirectoryList ) {
123 LOG
124 .logInfo( "No process directory specified. Using configuration document directory." );
125 processDirectories = new String[] { "." };
126 }
127
128 for ( int i = 0; i < lengthOfProcessDirectoryList; i++ ) {
129 try {
130 processDirectories[i] = resolve( processDirectories[i] ).getFile();
131 } catch ( MalformedURLException e ) {
132 LOG.logError( "Process directory '" + processDirectories[i]
133 + "' cannot be resolved as a directory: " + e.getMessage(), e );
134 throw new InvalidConfigurationException( "Process directory '"
135 + processDirectories[i] + "' cannot be resolved as a directory: "
136 + e.getMessage(), e );
137
138 }
139 }
140 RequestQueueManager requestQueueManagerClass = getRequestQueueManagerClass( element );
141
142 deegreeParams = new WPSDeegreeParams( defaultOnlineResource, cacheSize,
143 requestTimeLimit, processDirectories, requestQueueManagerClass );
144
145 } catch ( XMLParsingException e ) {
146 LOG.logError( e.getMessage() );
147 throw new InvalidConfigurationException( "Error parsing the deegreeParams "
148 + "section of the WPS configuration: \n" + e.getMessage()
149 + StringTools.stackTraceToString( e ) );
150 }
151 return deegreeParams;
152 }
153
154 private RequestQueueManager getRequestQueueManagerClass( Element deegreeParamsNode )
155 throws XMLParsingException {
156
157 // Get resonsible class for requestqueuemanager from deegreeParams
158 // section
159 RequestQueueManager requestQueueManager = null;
160
161 String requestQueueManagerClass = XMLTools.getRequiredNodeAsString( deegreeParamsNode,
162 "./deegreewps:RequestQueueManager/deegreewps:ResponsibleClass/text()", nsContext );
163
164 Object tmp = null;
165 try {
166 tmp = Class.forName( requestQueueManagerClass ).newInstance();
167 } catch ( ClassNotFoundException clnfe ) {
168
169 String msg = "Responsible class for queue management: '" + requestQueueManagerClass
170 + "' not found.";
171 LOG.logError( msg, clnfe );
172 throw new XMLParsingException( msg, clnfe );
173 } catch ( InstantiationException ia ) {
174
175 String msg = "Responsible class for queue management: '" + requestQueueManagerClass
176 + "' can not be instantiated.";
177 LOG.logError( msg, ia );
178 throw new XMLParsingException( msg, ia );
179 } catch ( IllegalAccessException iae ) {
180
181 String msg = "Responsible class for queue management: '" + requestQueueManagerClass
182 + "' can not be accessed.";
183
184 LOG.logError( msg, iae );
185 throw new XMLParsingException( msg, iae );
186 }
187
188 if ( tmp instanceof RequestQueueManager ) {
189 requestQueueManager = ( RequestQueueManager ) tmp;
190 } else {
191 String msg = "Responsible class for queue management: '"
192 + requestQueueManagerClass
193 + "' does not implement required Interface 'org.deegree.ogcwebservices.wps.execute.RequestQueueManager'.";
194 ;
195 LOG.logError( msg );
196 throw new XMLParsingException( msg );
197 }
198 LOG.logInfo( "requestQueueManager: " + requestQueueManagerClass );
199 return requestQueueManager;
200 }
201
202 }
203 /* ********************************************************************
204 Changes to this class. What the people have been up to:
205 $Log$
206 Revision 1.6 2006/08/24 06:42:16 poth
207 File header corrected
208
209 Revision 1.5 2006/07/12 16:59:32 poth
210 required adaptions according to renaming of OnLineResource to OnlineResource
211
212 Revision 1.4 2006/07/12 14:46:19 poth
213 comment footer added
214
215 ********************************************************************** */