Source Code Cross Referenced for SLDShadedReliefBinding.java in  » GIS » GeoTools-2.4.1 » org » geotools » sld » bindings » Java Source Code / Java DocumentationJava Source Code and Java Documentation

001:        /*
002:         *    GeoTools - OpenSource mapping toolkit
003:         *    http://geotools.org
004:         *    (C) 2002-2006, GeoTools Project Managment Committee (PMC)
005:         *
006:         *    This library is free software; you can redistribute it and/or
007:         *    modify it under the terms of the GNU Lesser General Public
008:         *    License as published by the Free Software Foundation;
009:         *    version 2.1 of the License.
010:         *
011:         *    This library is distributed in the hope that it will be useful,
012:         *    but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         *    Lesser General Public License for more details.
015:         */
016:        package org.geotools.sld.bindings;
017:
018:        import org.picocontainer.MutablePicoContainer;
019:        import org.w3c.dom.Document;
020:        import org.w3c.dom.Element;
021:        import javax.xml.namespace.QName;
022:        import org.geotools.filter.Expression;
023:        import org.geotools.filter.FilterFactory;
024:        import org.geotools.styling.ShadedRelief;
025:        import org.geotools.styling.StyleFactory;
026:        import org.geotools.xml.*;
027:
028:        /**
029:         * Binding object for the element http://www.opengis.net/sld:ShadedRelief.
030:         *
031:         * <p>
032:         *        <pre>
033:         *         <code>
034:         *  &lt;xsd:element name="ShadedRelief"&gt;
035:         *      &lt;xsd:annotation&gt;
036:         *          &lt;xsd:documentation&gt;         &quot;ShadedRelief&quot; specifies
037:         *              the application of relief shading         (or &quot;hill
038:         *              shading&quot;) to a DEM raster to give it somewhat of a
039:         *              three-dimensional effect and to make elevation changes more
040:         *              visible.       &lt;/xsd:documentation&gt;
041:         *      &lt;/xsd:annotation&gt;
042:         *      &lt;xsd:complexType&gt;
043:         *          &lt;xsd:sequence&gt;
044:         *              &lt;xsd:element ref="sld:BrightnessOnly" minOccurs="0"/&gt;
045:         *              &lt;xsd:element ref="sld:ReliefFactor" minOccurs="0"/&gt;
046:         *          &lt;/xsd:sequence&gt;
047:         *      &lt;/xsd:complexType&gt;
048:         *  &lt;/xsd:element&gt;
049:         *
050:         *          </code>
051:         *         </pre>
052:         * </p>
053:         *
054:         * @generated
055:         */
056:        public class SLDShadedReliefBinding extends AbstractComplexBinding {
057:            StyleFactory styleFactory;
058:            FilterFactory filterFactory;
059:
060:            public SLDShadedReliefBinding(StyleFactory styleFactory,
061:                    FilterFactory filterFactory) {
062:                this .styleFactory = styleFactory;
063:                this .filterFactory = filterFactory;
064:            }
065:
066:            /**
067:             * @generated
068:             */
069:            public QName getTarget() {
070:                return SLD.SHADEDRELIEF;
071:            }
072:
073:            /**
074:             * <!-- begin-user-doc -->
075:             * <!-- end-user-doc -->
076:             *
077:             * @generated modifiable
078:             */
079:            public int getExecutionMode() {
080:                return AFTER;
081:            }
082:
083:            /**
084:             * <!-- begin-user-doc -->
085:             * <!-- end-user-doc -->
086:             *
087:             * @generated modifiable
088:             */
089:            public Class getType() {
090:                return ShadedRelief.class;
091:            }
092:
093:            /**
094:             * <!-- begin-user-doc -->
095:             * <!-- end-user-doc -->
096:             *
097:             * @generated modifiable
098:             */
099:            public void initialize(ElementInstance instance, Node node,
100:                    MutablePicoContainer context) {
101:            }
102:
103:            /**
104:             * <!-- begin-user-doc -->
105:             * <!-- end-user-doc -->
106:             *
107:             * @generated modifiable
108:             */
109:            public Object parse(ElementInstance instance, Node node,
110:                    Object value) throws Exception {
111:                Expression reliefFactor = null;
112:
113:                if (node.hasChild("ReliefFactor")) {
114:                    Double d = (Double) node.getChildValue("ReliefFactor");
115:                    reliefFactor = (Expression) filterFactory.literal(d
116:                            .doubleValue());
117:                }
118:
119:                ShadedRelief shadedRelief = styleFactory
120:                        .createShadedRelief(reliefFactor);
121:
122:                if (node.hasChild("BrightnessOnly")) {
123:                    Boolean b = (Boolean) node.getChildValue("BrightnessOnly");
124:                    shadedRelief.setBrightnessOnly(b.booleanValue());
125:                }
126:
127:                return shadedRelief;
128:            }
129:        }