001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wass/was/operation/WASGetCapabilitiesDocument.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     EXSE, Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
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     Aennchenstr. 19
030     53115 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.wass.was.operation;
045    
046    import java.util.HashMap;
047    import java.util.regex.Pattern;
048    
049    import org.deegree.framework.xml.XMLFragment;
050    import org.deegree.framework.xml.XMLParsingException;
051    import org.deegree.framework.xml.XMLTools;
052    import org.deegree.i18n.Messages;
053    import org.deegree.ogcbase.CommonNamespaces;
054    import org.w3c.dom.Element;
055    
056    /**
057     * Parser for a WAS GetCapabilities request.
058     * 
059     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
060     * @author last edited by: $Author: apoth $
061     * 
062     * @version 2.0, $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
063     * 
064     * @since 2.0
065     */
066    
067    public class WASGetCapabilitiesDocument extends XMLFragment {
068    
069        private static final long serialVersionUID = -859662737770813155L;
070    
071        // this pattern matches parametrized mime types, so if something funny happens, this may be the
072        // reason
073        private static Pattern pattern = Pattern.compile( "(application|audio|image|text|video|message|multipart|model)/.+(;\\s*.+=.+)*" );
074    
075        private static final String PRE = CommonNamespaces.OWS_PREFIX;
076    
077        /**
078         * Parses a WASGetCapabilities XML request.
079         * 
080         * @param id
081         * @param root
082         * @return a new request object
083         * @throws XMLParsingException
084         */
085        public WASGetCapabilities parseCapabilities( String id, Element root )
086                                throws XMLParsingException {
087            
088    
089            Element acceptVersionsNode = (Element) XMLTools.getNode( root, PRE + "AcceptVersions",
090                                                                     nsContext );
091            String[] acceptVersions = null;
092            if ( acceptVersionsNode != null )
093                acceptVersions = XMLTools.getRequiredNodesAsStrings( acceptVersionsNode, PRE
094                                                                                         + "Version",
095                                                                     nsContext );
096    
097            Element sectionsNode = (Element) XMLTools.getNode( root, PRE + "Sections", nsContext );
098            String[] sections = null;
099            if ( sectionsNode != null )
100                sections = XMLTools.getNodesAsStrings( sectionsNode, PRE + "Section", nsContext );
101    
102            Element acceptFormatsNode = (Element) XMLTools.getNode( root, PRE + "AcceptFormats",
103                                                                    nsContext );
104            String[] acceptFormats = null;
105    
106            if ( acceptFormatsNode != null ) {
107                acceptFormats = XMLTools.getNodesAsStrings( acceptFormatsNode, PRE + "OutputFormat",
108                                                            nsContext );
109    
110                for ( String str : acceptFormats )
111                    if ( !pattern.matcher( str ).matches() )
112                        throw new XMLParsingException(
113                                                       Messages.getMessage( "WASS_ERROR_VALUE_NO_MIMETYPE" ) );
114            }
115    
116            String updateSequence = XMLTools.getNodeAsString( root, "@updateSequence", nsContext, null );
117    
118            String service = XMLTools.getRequiredNodeAsString( root, "@service", nsContext );
119            if ( !service.equals( "WAS" ) )
120                throw new XMLParsingException(
121                                               Messages.getMessage( "WASS_ERROR_NO_SERVICE_ATTRIBUTE" ) );
122    
123            WASGetCapabilities result = new WASGetCapabilities( id, "1.0", updateSequence,
124                                                                acceptVersions, sections, acceptFormats,
125                                                                new HashMap<String,String>() );
126    
127            
128            return result;
129        }
130    
131    }