001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/graphics/sld/UserLayer.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.graphics.sld;
045    
046    import static org.deegree.framework.xml.XMLTools.escape;
047    
048    import org.deegree.framework.xml.Marshallable;
049    
050    /**
051     * In addition to using named layers, it is also useful to be able to define custom user-defined
052     * layers for rendering.
053     * <p>
054     * </p>
055     * Since a layer is defined as a collection of potentially mixed-type features, the UserLayer
056     * element must provide the means to identify the features to be used. All features to be rendered
057     * are assumed to be fetched from a Web Feature Server (WFS) or a Web Coverage CapabilitiesService
058     * (WCS, in which case the term features is used loosely).
059     * 
060     * 
061     * @author <a href="mailto:k.lupp@web.de">Katharina Lupp</a>
062     * @author last edited by: $Author: aschmitz $
063     * @version $Revision: 12167 $ $Date: 2008-06-04 16:06:48 +0200 (Mi, 04 Jun 2008) $
064     */
065    
066    public class UserLayer extends AbstractLayer implements Marshallable {
067    
068        private RemoteOWS remoteOWS = null;
069    
070        /**
071         * constructor initializing the class with the &lt;UserLayer&gt;
072         */
073        public UserLayer( String name, LayerFeatureConstraints layerFeatureConstraints, AbstractStyle[] userStyles,
074                   RemoteOWS remoteOWS ) {
075            super( name, layerFeatureConstraints, userStyles );
076            setRemoteOWS( remoteOWS );
077        }
078    
079        /**
080         * the method returns a remote web service that enables the access to data that are not stored
081         * on same server as the WMS.
082         * 
083         * @return the RemoteOWS
084         * 
085         */
086        public RemoteOWS getRemoteOWS() {
087            return remoteOWS;
088        }
089    
090        /**
091         * sets the &lt;RemoteOWS&gt;
092         * 
093         * @param remoteOWS
094         *            the RemoteOWS
095         * 
096         */
097        public void setRemoteOWS( RemoteOWS remoteOWS ) {
098            this.remoteOWS = remoteOWS;
099        }
100    
101        /**
102         * 
103         * 
104         * @return
105         */
106        public String toString() {
107            String ret = getClass().getName() + "\n";
108            ret = "remoteOWS = " + remoteOWS + "\n";
109    
110            return ret;
111        }
112    
113        /**
114         * exports the content of the UserLayer as XML formated String
115         * 
116         * @return xml representation of the UserLayer
117         */
118        public String exportAsXML() {
119    
120            StringBuffer sb = new StringBuffer( 5000 );
121            sb.append( "<UserLayer>" );
122            sb.append( "<Name>" ).append( escape( name ) ).append( "</Name>" );
123            if ( remoteOWS != null ) {
124                sb.append( ( (Marshallable) remoteOWS ).exportAsXML() );
125            }
126    
127            sb.append( ( (Marshallable) layerFeatureConstraints ).exportAsXML() );
128    
129            for ( int i = 0; i < styles.size(); i++ ) {
130                sb.append( ( (Marshallable) styles.get( i ) ).exportAsXML() );
131            }
132            sb.append( "</UserLayer>" );
133    
134            return sb.toString();
135        }
136    }