001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/owscommon_1_1_0/operations/GetResourceByIDDocument.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.owscommon_1_1_0.operations;
038    
039    import static org.deegree.framework.xml.XMLTools.getNodeAsString;
040    import static org.deegree.framework.xml.XMLTools.getNodesAsStringList;
041    
042    import java.util.ArrayList;
043    import java.util.List;
044    
045    import org.deegree.framework.xml.XMLFragment;
046    import org.deegree.framework.xml.XMLParsingException;
047    import org.deegree.ogcbase.CommonNamespaces;
048    import org.w3c.dom.Element;
049    
050    /**
051     * <code>GetResourceByID</code> supplies the methods for parsing the ows 1.1.0 GetResourceById
052     * xml-dom structure.
053     *
054     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
055     *
056     * @author last edited by: $Author: mschneider $
057     *
058     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
059     *
060     */
061    public class GetResourceByIDDocument extends XMLFragment {
062    
063        private static final long serialVersionUID = 2061011143514168497L;
064    
065        private static final String PRE = CommonNamespaces.OWS_1_1_0PREFIX + ":";
066    
067        /**
068         * @return a list of resourceID uri's or an empty list if no resourceID's were given.
069         * @throws XMLParsingException
070         *             if the node could not be parsed.
071         */
072        public List<String> parseResourceIDs()
073                                throws XMLParsingException {
074            Element root = getRootElement();
075            List<String> result = new ArrayList<String>();
076            if ( root != null ) {
077                result = getNodesAsStringList( root, PRE + "ResourceID", nsContext );
078            }
079            return result;
080        }
081    
082        /**
083         * @return a String containing an output format (mime-type) or an empty String if no output
084         *         format was given.
085         * @throws XMLParsingException
086         *             if the node could not be parsed.
087         */
088        public String parseOutputFormats()
089                                throws XMLParsingException {
090            Element root = getRootElement();
091            String result = new String();
092            if ( root != null ) {
093                result = getNodeAsString( root, PRE + "OutputFormat", nsContext, "" );
094            }
095            return result;
096        }
097    
098        /**
099         * @return the mandatory version string.
100         * @throws XMLParsingException
101         *             if the attribute was not given.
102         */
103        public String parseVersion()
104                                throws XMLParsingException {
105            Element root = getRootElement();
106            String result = new String();
107            if ( root != null ) {
108                result = root.getAttribute( "version" );
109                if ( result == null || "".equals( result.trim() ) ) {
110                    throw new XMLParsingException(
111                                                   "The version attribute is mandatory for a resourceById (ows 1.1.0) request" );
112                }
113    
114            }
115            return result;
116        }
117    
118        /**
119         * @return the mandatory service string.
120         * @throws XMLParsingException
121         *             if the attribute was not given.
122         */
123        public String parseService()
124                                throws XMLParsingException {
125            Element root = getRootElement();
126            String result = new String();
127            if ( root != null ) {
128                result = root.getAttribute( "service" );
129                if ( result == null || "".equals( result.trim() ) ) {
130                    throw new XMLParsingException(
131                                                   "The service attribute is mandatory for a resourceById (ows 1.1.0) request" );
132                }
133            }
134            return result;
135        }
136    
137    }