001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wcs/describecoverage/CoverageDescription.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.ogcwebservices.wcs.describecoverage;
037    
038    import java.io.IOException;
039    import java.net.URL;
040    import java.util.HashMap;
041    import java.util.Map;
042    
043    import org.deegree.framework.util.NetWorker;
044    import org.deegree.model.crs.UnknownCRSException;
045    import org.xml.sax.SAXException;
046    
047    /**
048     * @version $Revision: 18195 $
049     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
050     * @author last edited by: $Author: mschneider $
051     *
052     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
053     */
054    
055    public class CoverageDescription {
056    
057        private CoverageOffering[] coverageOffering = new CoverageOffering[0];
058    
059        private Map<String, CoverageOffering> map = new HashMap<String, CoverageOffering>( 100 );
060    
061        private String version = "1.0.0";
062    
063        /**
064         * creates a <tt>CoverageDescription</tt> from a DOM document assigen by the passed URL
065         *
066         * @return created <tt>CoverageDescription</tt>
067         * @exception IOException
068         * @exception SAXException
069         * @exception InvalidCoverageDescriptionExcpetion
070         */
071        public static CoverageDescription createCoverageDescription( URL url )
072                                throws IOException, SAXException, InvalidCoverageDescriptionExcpetion {
073            CoverageDescriptionDocument covDescDoc = new CoverageDescriptionDocument();
074            if ( url == null ) {
075                throw new InvalidCoverageDescriptionExcpetion( "location URL for a coverage description document is null" );
076            }
077            if ( !NetWorker.existsURL( url ) ) {
078                throw new InvalidCoverageDescriptionExcpetion( "location URL: " + url
079                                                               + "for a coverage description document doesn't exist" );
080            }
081            covDescDoc.load( url );
082            return new CoverageDescription( covDescDoc );
083        }
084    
085        /**
086         * @param covDescDoc
087         * @exception InvalidCoverageDescriptionExcpetion
088         */
089        public CoverageDescription( CoverageDescriptionDocument covDescDoc ) throws InvalidCoverageDescriptionExcpetion {
090            setVersion( covDescDoc.getVersion() );
091            try {
092                setCoverageOfferings( covDescDoc.getCoverageOfferings() );
093            } catch ( UnknownCRSException e ) {
094                throw new InvalidCoverageDescriptionExcpetion( e.getMessage() );
095            }
096        }
097    
098        /**
099         * @param coverageOffering
100         */
101        public CoverageDescription( CoverageOffering[] coverageOffering, String version ) {
102            setVersion( version );
103            setCoverageOfferings( coverageOffering );
104        }
105    
106        /**
107         * @return Returns the coverageOffering.
108         */
109        public CoverageOffering[] getCoverageOfferings() {
110            return coverageOffering;
111        }
112    
113        /**
114         * returns a <tt>CoverageOffering</tt> identified by its name. if no <tt>CoverageOffering</tt>
115         * is known by a <tt>CoverageDescription</tt> with the passed name, <tt>null</tt> will be
116         * returned.
117         *
118         * @param name
119         * @return a <tt>CoverageOffering</tt> identified by its name.
120         */
121        public CoverageOffering getCoverageOffering( String name ) {
122            return map.get( name );
123        }
124    
125        /**
126         * @param coverageOffering
127         *            The coverageOffering to set.
128         */
129        public void setCoverageOfferings( CoverageOffering[] coverageOffering ) {
130            if ( coverageOffering == null ) {
131                coverageOffering = new CoverageOffering[0];
132            }
133            map.clear();
134            for ( int i = 0; i < coverageOffering.length; i++ ) {
135                map.put( coverageOffering[i].getName(), coverageOffering[i] );
136            }
137            this.coverageOffering = coverageOffering;
138        }
139    
140        /**
141         * @return version
142         */
143        public String getVersion() {
144            return version;
145        }
146    
147        /**
148         * @param version
149         */
150        public void setVersion( String version ) {
151            this.version = version;
152        }
153    
154    }