001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/graphics/sld/AbstractLayer.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    package org.deegree.graphics.sld;
037    
038    import java.util.ArrayList;
039    import java.util.Arrays;
040    import java.util.List;
041    
042    import org.deegree.framework.xml.Marshallable;
043    
044    /**
045     * <p>
046     * ----------------------------------------------------------------------
047     * </p>
048     *
049     * @author <a href="mailto:k.lupp@web.de">Katharina Lupp</a>
050     * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
051     */
052    
053    public abstract class AbstractLayer implements Marshallable {
054    
055        /**
056         * The feature contrains
057         */
058        protected LayerFeatureConstraints layerFeatureConstraints = null;
059    
060        /**
061         * the styles
062         */
063        protected List<AbstractStyle> styles = null;
064    
065        /**
066         * name of the layer.
067         */
068        protected String name = null;
069    
070        /**
071         * constructor initializing the class with the <NamedLayer>
072         * @param name
073         * @param layerFeatureConstraints
074         * @param styles
075         */
076        AbstractLayer( String name, LayerFeatureConstraints layerFeatureConstraints, AbstractStyle[] styles ) {
077            this.styles = new ArrayList<AbstractStyle>();
078            setName( name );
079            setLayerFeatureConstraints( layerFeatureConstraints );
080            setStyles( styles );
081        }
082    
083        /**
084         * The Name element identifies the well-known name of the layer being referenced, and is
085         * required. All possible well-known names are usually identified in the capabilities document
086         * for a server.
087         *
088         * @return the name of the layer
089         *
090         */
091        public String getName() {
092            return name;
093        }
094    
095        /**
096         * sets the <Name>
097         *
098         * @param name
099         *            the name of the layer
100         *
101         */
102        public void setName( String name ) {
103            this.name = name;
104        }
105    
106        /**
107         * The LayerFeatureConstraints element is optional in a NamedLayer and allows the user to
108         * specify constraints on what features of what feature types are to be selected by the
109         * named-layer reference. It is essentially a filter that allows the selection of fewer features
110         * than are present in the named layer.
111         *
112         * @return the LayerFeatureConstraints
113         *
114         */
115        public LayerFeatureConstraints getLayerFeatureConstraints() {
116            return layerFeatureConstraints;
117        }
118    
119        /**
120         * sets the <LayerFeatureConstraints>
121         *
122         * @param layerFeatureConstraints
123         *            the LayerFeatureConstraints
124         *
125         */
126        public void setLayerFeatureConstraints( LayerFeatureConstraints layerFeatureConstraints ) {
127            this.layerFeatureConstraints = layerFeatureConstraints;
128        }
129    
130        /**
131         * Returns the styles associated to the Layer. This may be UserStyles or NamedStyles
132         * <p>
133         * </p>
134         * A UserStyle is at the same semantic level as a NamedStyle used in the context of a WMS. In a
135         * sense, a named style can be thought of as a reference to a hidden UserStyle that is stored
136         * inside of a map server.
137         *
138         * @return the Styles of the Layer as ArrayList
139         *
140         */
141        public AbstractStyle[] getStyles() {
142            return styles.toArray( new AbstractStyle[styles.size()] );
143        }
144    
145        /**
146         * Adds styles to the Layer.
147         *
148         * @param styles
149         *            the styles for the layer as Array
150         */
151        public void setStyles( AbstractStyle[] styles ) {
152            this.styles.clear();
153    
154            if ( styles != null ) {
155                this.styles = Arrays.asList( styles );
156            }
157        }
158    
159        /**
160         * @see org.deegree.graphics.sld.AbstractLayer#getStyles()
161         * @param style
162         *            a style to add
163         */
164        public void addStyle( AbstractStyle style ) {
165            styles.add( style );
166        }
167    
168        /**
169         * @see org.deegree.graphics.sld.AbstractLayer#getStyles()
170         * @param style
171         *            a style to remove
172         */
173        public void removeStyle( AbstractStyle style ) {
174            styles.remove( styles.indexOf( style ) );
175        }
176    
177        /**
178         * returns a STring-Representation of the layer
179         *
180         * @return the layer as String
181         */
182        @Override
183        public String toString() {
184            String ret = getClass().getName() + "\n";
185            ret = "name = " + name + "\n";
186            ret += ( "layerFeatureConstraints = " + layerFeatureConstraints + "\n" );
187            ret += ( "styles = " + styles + "\n" );
188    
189            return ret;
190        }
191    
192    }