    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/ogcwebservices/wps/capabilities/WPSCapabilitiesDocument.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
    037    package org.deegree.ogcwebservices.wps.capabilities;
    038
    039    import static org.deegree.ogcwebservices.wps.capabilities.WPSOperationsMetadata.DESCRIBEPROCESS;
    040    import static org.deegree.ogcwebservices.wps.capabilities.WPSOperationsMetadata.EXECUTE;
    041
    042    import java.io.IOException;
    043    import java.net.URL;
    044    import java.util.HashMap;
    045    import java.util.List;
    046    import java.util.Map;
    047
    048    import org.deegree.framework.log.ILogger;
    049    import org.deegree.framework.log.LoggerFactory;
    050    import org.deegree.framework.xml.XMLParsingException;
    051    import org.deegree.framework.xml.XMLTools;
    052    import org.deegree.ogcwebservices.getcapabilities.InvalidCapabilitiesException;
    053    import org.deegree.ogcwebservices.getcapabilities.OGCCapabilities;
    054    import org.deegree.ogcwebservices.getcapabilities.Operation;
    055    import org.deegree.ogcwebservices.getcapabilities.OperationsMetadata;
    056    import org.deegree.owscommon.OWSCommonCapabilitiesDocument;
    057    import org.deegree.owscommon.OWSDomainType;
    058    import org.w3c.dom.Element;
    059    import org.w3c.dom.Node;
    060    import org.xml.sax.SAXException;
    061
    062    /**
    063     * WPSCapabilitiesDocument.java
    064     *
    065     * Creates an object representation of the sample_wps_capabilities.xml document
    066     *
    067     * Created on 08.03.2006. 18:57:37h
    068     *
    069     * @author <a href="mailto:christian@kiehle.org">Christian Kiehle</a>
    070     * @author <a href="mailto:christian.heier@gmx.de">Christian Heier</a>
    071     *
    072     * @version 1.0.
    073     *
    074     * @since 2.0
    075     */
    076    public class WPSCapabilitiesDocument extends OWSCommonCapabilitiesDocument {
    077
    078        /**
    079             *
    080             */
    081            private static final long serialVersionUID = -4004369952171016830L;
    082
    083            private static final ILogger LOG = LoggerFactory.getLogger( WPSCapabilitiesDocument.class );
    084
    085        private static final String XML_TEMPLATE = "WPSCapabilitiesTemplate.xml";
    086
    087        /**
    088         * @throws IOException
    089         * @throws SAXException
    090         */
    091        public void createEmptyDocument()
    092                                throws IOException, SAXException {
    093            URL url = WPSCapabilitiesDocument.class.getResource( XML_TEMPLATE );
    094            if ( null == url ) {
    095                throw new IOException( "The resource '" + XML_TEMPLATE + " ' could not be found" );
    096            }
    097            load( url );
    098        }
    099
    100        /*
    101         * (non-Javadoc)
    102         *
    103         * @see org.deegree.ogcwebservices.getcapabilities.OGCCapabilitiesDocument#parseCapabilities()
    104         */
    105        @Override
    106        public OGCCapabilities parseCapabilities()
    107                                throws InvalidCapabilitiesException {
    108            try {
    109
    110                return new WPSCapabilities( parseVersion(), parseUpdateSequence(), getServiceIdentification(),
    111                                            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 <code>ows:OperationsMetadata</code> section.
    120         *
    121         * @return object representation of the <code>ows:OperationsMetadata</code> section
    122         * @throws XMLParsingException
    123         */
    124        @SuppressWarnings("unchecked")
    125        public OperationsMetadata getOperationsMetadata()
    126                                throws XMLParsingException {
    127
    128            List operationElementList = XMLTools.getNodes( getRootElement(), "ows:OperationsMetadata/ows:Operation",
    129                                                           nsContext );
    130
    131            // build HashMap of 'ows:Operation'-elements for easier access
    132            Map operations = new HashMap();
    133            for ( int i = 0; i < operationElementList.size(); i++ ) {
    134                operations.put(
    135                                XMLTools.getRequiredNodeAsString( (Node) operationElementList.get( i ), "@name", nsContext ),
    136                                operationElementList.get( i ) );
    137            }
    138
    139            Operation getCapabilities = getOperation( OperationsMetadata.GET_CAPABILITIES_NAME, true, operations );
    140            Operation describeProcess = getOperation( DESCRIBEPROCESS, true, operations );
    141            Operation execute = getOperation( EXECUTE, true, operations );
    142
    143            List parameterElementList = XMLTools.getNodes( getRootElement(), "ows:OperationsMetadata/ows:Parameter",
    144                                                           nsContext );
    145            OWSDomainType[] parameters = new OWSDomainType[parameterElementList.size()];
    146            for ( int i = 0; i < parameters.length; i++ ) {
    147                parameters[i] = getOWSDomainType( null, (Element) parameterElementList.get( i ) );
    148            }
    149
    150            List constraintElementList = XMLTools.getNodes( getRootElement(), "ows:OperationsMetadata/ows:Constraint",
    151                                                            nsContext );
    152            OWSDomainType[] constraints = new OWSDomainType[constraintElementList.size()];
    153            for ( int i = 0; i < constraints.length; i++ ) {
    154                constraints[i] = getOWSDomainType( null, (Element) constraintElementList.get( i ) );
    155            }
    156            WPSOperationsMetadata metadata = new WPSOperationsMetadata( getCapabilities, describeProcess, execute,
    157                                                                        parameters, constraints );
    158
    159            return metadata;
    160        }
    161
    162    }