001 //$HeadURL: http://svn.wald.intevation.org/svn/deegree/base/trunk/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 (Thu, 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 }