001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wass/was/operation/WASGetCapabilitiesDocument.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2004 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     Meckenheimer Allee 176
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    package org.deegree.ogcwebservices.wass.was.operation;
044    
045    import java.util.HashMap;
046    import java.util.regex.Pattern;
047    
048    import org.deegree.framework.xml.XMLFragment;
049    import org.deegree.framework.xml.XMLParsingException;
050    import org.deegree.framework.xml.XMLTools;
051    import org.deegree.i18n.Messages;
052    import org.deegree.ogcbase.CommonNamespaces;
053    import org.w3c.dom.Element;
054    
055    /**
056     * Parser for a WAS GetCapabilities request.
057     * 
058     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
059     * @author last edited by: $Author: aschmitz $
060     * 
061     * @version 2.0, $Revision: 7341 $, $Date: 2007-05-29 14:03:14 +0200 (Di, 29 Mai 2007) $
062     * 
063     * @since 2.0
064     */
065    
066    public class WASGetCapabilitiesDocument extends XMLFragment {
067    
068        private static final long serialVersionUID = -859662737770813155L;
069    
070        // this pattern matches parametrized mime types, so if something funny happens, this may be the
071        // reason
072        private static Pattern pattern = Pattern.compile( "(application|audio|image|text|video|message|multipart|model)/.+(;\\s*.+=.+)*" );
073    
074        private static final String PRE = CommonNamespaces.OWS_PREFIX;
075    
076        /**
077         * Parses a WASGetCapabilities XML request.
078         * 
079         * @param id
080         * @param root
081         * @return a new request object
082         * @throws XMLParsingException
083         */
084        public WASGetCapabilities parseCapabilities( String id, Element root )
085                                throws XMLParsingException {
086            
087    
088            Element acceptVersionsNode = (Element) XMLTools.getNode( root, PRE + "AcceptVersions",
089                                                                     nsContext );
090            String[] acceptVersions = null;
091            if ( acceptVersionsNode != null )
092                acceptVersions = XMLTools.getRequiredNodesAsStrings( acceptVersionsNode, PRE
093                                                                                         + "Version",
094                                                                     nsContext );
095    
096            Element sectionsNode = (Element) XMLTools.getNode( root, PRE + "Sections", nsContext );
097            String[] sections = null;
098            if ( sectionsNode != null )
099                sections = XMLTools.getNodesAsStrings( sectionsNode, PRE + "Section", nsContext );
100    
101            Element acceptFormatsNode = (Element) XMLTools.getNode( root, PRE + "AcceptFormats",
102                                                                    nsContext );
103            String[] acceptFormats = null;
104    
105            if ( acceptFormatsNode != null ) {
106                acceptFormats = XMLTools.getNodesAsStrings( acceptFormatsNode, PRE + "OutputFormat",
107                                                            nsContext );
108    
109                for ( String str : acceptFormats )
110                    if ( !pattern.matcher( str ).matches() )
111                        throw new XMLParsingException(
112                                                       Messages.getMessage( "WASS_ERROR_VALUE_NO_MIMETYPE" ) );
113            }
114    
115            String updateSequence = XMLTools.getNodeAsString( root, "@updateSequence", nsContext, null );
116    
117            String service = XMLTools.getRequiredNodeAsString( root, "@service", nsContext );
118            if ( !service.equals( "WAS" ) )
119                throw new XMLParsingException(
120                                               Messages.getMessage( "WASS_ERROR_NO_SERVICE_ATTRIBUTE" ) );
121    
122            WASGetCapabilities result = new WASGetCapabilities( id, "1.0", updateSequence,
123                                                                acceptVersions, sections, acceptFormats,
124                                                                new HashMap<String,String>() );
125    
126            
127            return result;
128        }
129    
130    }