001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wps/capabilities/WPSCapabilitiesDocument.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    
044    package org.deegree.ogcwebservices.wps.capabilities;
045    
046    import static org.deegree.ogcwebservices.wps.capabilities.WPSOperationsMetadata.DESCRIBEPROCESS;
047    import static org.deegree.ogcwebservices.wps.capabilities.WPSOperationsMetadata.EXECUTE;
048    
049    import java.io.IOException;
050    import java.net.URL;
051    import java.util.HashMap;
052    import java.util.List;
053    import java.util.Map;
054    
055    import org.deegree.framework.log.ILogger;
056    import org.deegree.framework.log.LoggerFactory;
057    import org.deegree.framework.xml.XMLParsingException;
058    import org.deegree.framework.xml.XMLTools;
059    import org.deegree.ogcwebservices.getcapabilities.InvalidCapabilitiesException;
060    import org.deegree.ogcwebservices.getcapabilities.OGCCapabilities;
061    import org.deegree.ogcwebservices.getcapabilities.Operation;
062    import org.deegree.ogcwebservices.getcapabilities.OperationsMetadata;
063    import org.deegree.owscommon.OWSCommonCapabilitiesDocument;
064    import org.deegree.owscommon.OWSDomainType;
065    import org.w3c.dom.Element;
066    import org.w3c.dom.Node;
067    import org.xml.sax.SAXException;
068    
069    /**
070     * WPSCapabilitiesDocument.java
071     * 
072     * Creates an object representation of the sample_wps_capabilities.xml document
073     * 
074     * Created on 08.03.2006. 18:57:37h
075     * 
076     * @author <a href="mailto:christian@kiehle.org">Christian Kiehle</a>
077     * @author <a href="mailto:christian.heier@gmx.de">Christian Heier</a>
078     * 
079     * @version 1.0.
080     * 
081     * @since 2.0
082     */
083    public class WPSCapabilitiesDocument extends OWSCommonCapabilitiesDocument {
084    
085            private static final ILogger LOG = LoggerFactory.getLogger( WPSCapabilitiesDocument.class );
086    
087            private static final String XML_TEMPLATE = "WPSCapabilitiesTemplate.xml";
088    
089            /**
090             * @throws IOException
091             * @throws SAXException
092             */
093            public void createEmptyDocument() throws IOException, SAXException {
094                    URL url = WPSCapabilitiesDocument.class.getResource( XML_TEMPLATE );
095                    if ( null == url ) {
096                            throw new IOException( "The resource '" + XML_TEMPLATE + " ' could not be found" );
097                    }
098                    load( url );
099            }
100    
101            /*
102             * (non-Javadoc)
103             * 
104             * @see org.deegree.ogcwebservices.getcapabilities.OGCCapabilitiesDocument#parseCapabilities()
105             */
106            @Override
107            public OGCCapabilities parseCapabilities() throws InvalidCapabilitiesException {
108                    try {
109    
110                            return new WPSCapabilities( parseVersion(), parseUpdateSequence(),
111                                            getServiceIdentification(), getServiceProvider(), getOperationsMetadata(), null );
112                    } catch ( Exception e ) {
113                            LOG.logError( e.getMessage(), e );
114                            throw new InvalidCapabilitiesException( e.getMessage() );
115                    }
116            }
117    
118            /**
119             * Creates an object representation of the
120             * <code>ows:OperationsMetadata</code> section.
121             * 
122             * @return object representation of the <code>ows:OperationsMetadata</code>
123             *         section
124             * @throws XMLParsingException
125             */
126            @SuppressWarnings ( "unchecked")
127            public OperationsMetadata getOperationsMetadata() throws XMLParsingException {
128                    LOG.entering();
129                    List operationElementList = XMLTools.getNodes( getRootElement(),
130                                    "ows:OperationsMetadata/ows:Operation", nsContext );
131    
132                    // build HashMap of 'ows:Operation'-elements for easier access
133                    Map operations = new HashMap();
134                    for ( int i = 0; i < operationElementList.size(); i++ ) {
135                            operations.put( XMLTools.getRequiredNodeAsString(
136                                            ( Node ) operationElementList.get( i ), "@name", nsContext ),
137                                            operationElementList.get( i ) );
138                    }
139    
140                    Operation getCapabilities = getOperation( OperationsMetadata.GET_CAPABILITIES_NAME, true,
141                                    operations );
142                    Operation describeProcess = getOperation( DESCRIBEPROCESS, true, operations );
143                    Operation execute = getOperation( EXECUTE, true, operations );
144    
145                    List parameterElementList = XMLTools.getNodes( getRootElement(),
146                                    "ows:OperationsMetadata/ows:Parameter", nsContext );
147                    OWSDomainType[] parameters = new OWSDomainType[parameterElementList.size()];
148                    for ( int i = 0; i < parameters.length; i++ ) {
149                            parameters[i] = getOWSDomainType( null, ( Element ) parameterElementList.get( i ) );
150                    }
151    
152                    List constraintElementList = XMLTools.getNodes( getRootElement(),
153                                    "ows:OperationsMetadata/ows:Constraint", nsContext );
154                    OWSDomainType[] constraints = new OWSDomainType[constraintElementList.size()];
155                    for ( int i = 0; i < constraints.length; i++ ) {
156                            constraints[i] = getOWSDomainType( null, ( Element ) constraintElementList.get( i ) );
157                    }
158                    WPSOperationsMetadata metadata = new WPSOperationsMetadata( getCapabilities,
159                                    describeProcess, execute, parameters, constraints );
160                    LOG.exiting();
161                    return metadata;
162            }
163    
164    }
165    /* ********************************************************************
166    Changes to this class. What the people have been up to:
167    $Log$
168    Revision 1.5  2006/08/24 06:42:16  poth
169    File header corrected
170    
171    Revision 1.4  2006/07/12 14:46:15  poth
172    comment footer added
173    
174    ********************************************************************** */