001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/portal/context/SLD.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.portal.context;
045    
046    import java.net.URL;
047    
048    import org.deegree.graphics.sld.FeatureTypeStyle;
049    import org.deegree.graphics.sld.StyledLayerDescriptor;
050    
051    
052    /**
053     * This class encapsulates the descriptions of a SLD element as defined by the
054     * OGC Web Map Context specification.
055     * <p>
056     * The &lt;SLD&gt; element must contain required &lt;Name&gt; and optional &lt;Title&gt; elements 
057     * which identify the particular element of a Styled Layer Descriptor to be used 
058     * for this style. The &lt;SLD&gt; element must then contain one of three alternative 
059     * sources of description of a layer style:</p>
060     * <p>
061     * 1. an &lt;OnlineResource&gt; element describing a link to the specified SLD document.<p/>
062     * &lt;OnlineResource xmlns:xlink="http://www.w3.org/TR/xlink" xlink:type="simple" 
063     * xlink:href=�http://example.org/this/is/an/example/link/to/the/sld"&gt;</p>
064     * <p>
065     * This reference may be to a separately referenced SLD document or to an inline 
066     * &lt;StyledLayerDescriptor&gt; in the same context document (which may define the 
067     * styles for multiple layers within the Web Map Context)</p>
068     * <p>
069     * 2. &lt;StyledLayerDescriptor&gt; element containing inline the namedStyle or
070     * userStyle named in the enclosing &lt;Style&gt; element</p>
071     * <p>
072     * 3. &lt;FeatureTypeStyle&gt; element containing inline the specific feature styling 
073     * instructions for the enclosing &lt;Style&gt; element
074     * 
075     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
076     * @version $Revision: 9346 $
077     */
078    public class SLD  {
079        private FeatureTypeStyle featureTypeStyle = null;
080        private String name = null;
081        private String title = null;
082        private StyledLayerDescriptor styledLayerDescriptor = null;
083        private URL onlineResource = null;
084    
085        /**
086         * Creates a new SLD object.
087         *
088         * @param name name of the SLD
089         * @param title title of the SLD
090         */
091        private SLD( String name, String title ) {
092            setName( name );
093            setTitle( title );
094        }
095    
096        /**
097         * Creates a new SLD object.
098         *
099         * @param name name of the SLD
100         * @param title title of the SLD
101         * @param styledLayerDescriptor complete StyledLayerDescriptor
102         *
103         * @throws ContextException 
104         */
105        public SLD( String name, String title, StyledLayerDescriptor styledLayerDescriptor )
106            throws ContextException {
107            this( name, title );
108            setStyledLayerDescriptor( styledLayerDescriptor );
109        }
110    
111        /**
112         * Creates a new SLD object.
113         *
114         * @param name name of the SLD
115         * @param title title of the SLD
116         * @param onlineResource online resource where to access the StyledLayerDescriptor
117         *
118         * @throws ContextException 
119         */
120        public SLD( String name, String title, URL onlineResource ) throws ContextException {
121            this( name, title );
122            setOnlineResource( onlineResource );
123        }
124    
125        /**
126         * Creates a new SLD object.
127         *
128         * @param name name of the SLD
129         * @param title title of the SLD
130         * @param featureTypeStyle one concrete FeatureTypeStyle as part of a 
131         *                         StyledLayerDescriptor
132         *
133         * @throws ContextException 
134         */
135        public SLD( String name, String title, FeatureTypeStyle featureTypeStyle )
136            throws ContextException {
137            this( name, title );
138            setFeatureTypeStyle( featureTypeStyle );
139        }
140    
141        /**
142         * name of the SLD
143         *
144         * @return 
145         */
146        public String getName() {
147            return name;
148        }
149    
150        /**
151         * title of the SLD
152         *
153         * @return 
154         */
155        public String getTitle() {
156            return title;
157        }
158    
159        /**
160         * describing a link to the specified SLD document.
161         *
162         * @return 
163         */
164        public URL getOnlineResource() {
165            return onlineResource;
166        }
167    
168        /**
169         * containing inline the specific feature styling instructions for the 
170         * enclosing <code>&lt;Style&gt;</code> element
171         *
172         * @return 
173         */
174        public FeatureTypeStyle getFeatureTypeStyle() {
175            return featureTypeStyle;
176        }
177    
178        /**
179         * inline the namedStyle or userStyle named in the enclosing &lt;Style&gt; element
180         *
181         * @return 
182         */
183        public StyledLayerDescriptor getStyledLayerDescriptor() {
184            return styledLayerDescriptor;
185        }
186    
187        /**
188         * @see org.deegree.clients.context.SLD#getName()
189         *
190         * @param name 
191         */
192        public void setName( String name ) {
193            this.name = name;
194        }
195    
196        /**
197         * @see org.deegree.clients.context.Server#getTitle()
198         *
199         * @param title 
200         */
201        public void setTitle( String title ) {
202            this.title = title;
203        }
204    
205        /**
206         * @see org.deegree.clients.context.Server#getOnlineResource()
207         *
208         * @param onlineResource 
209         *
210         * @throws ContextException 
211         */
212        public void setOnlineResource( URL onlineResource ) throws ContextException {
213            if ( onlineResource == null ) {
214                throw new ContextException( "onlineResource isn't allowed to be null" );
215            }
216    
217            this.onlineResource = onlineResource;
218        }
219    
220        /**
221         * @see org.deegree.clients.context.SLD#getFeatureTypeStyle()
222         *
223         * @param featureTypeStyle 
224         *
225         * @throws ContextException 
226         */
227        public void setFeatureTypeStyle( FeatureTypeStyle featureTypeStyle ) throws ContextException {
228            if ( featureTypeStyle == null ) {
229                throw new ContextException( "featureTypeStyle isn't allowed to be null" );
230            }
231    
232            this.featureTypeStyle = featureTypeStyle;
233        }
234    
235        /**
236         * @see org.deegree.clients.context.SLD#getStyledLayerDescriptor()
237         *
238         * @param styledLayerDescriptor 
239         *
240         * @throws ContextException 
241         */
242        public void setStyledLayerDescriptor( StyledLayerDescriptor styledLayerDescriptor )
243                                      throws ContextException {
244            if ( styledLayerDescriptor == null ) {
245                throw new ContextException( "onlineResource isn't allowed to be null" );
246            }
247    
248            this.styledLayerDescriptor = styledLayerDescriptor;
249        }
250      
251        
252    }