Source Code Cross Referenced for SLDFillBinding.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 java.util.Iterator;
022:        import java.util.List;
023:        import javax.xml.namespace.QName;
024:        import org.geotools.filter.Expression;
025:        import org.geotools.sld.CssParameter;
026:        import org.geotools.styling.Fill;
027:        import org.geotools.styling.Graphic;
028:        import org.geotools.styling.StyleFactory;
029:        import org.geotools.xml.AbstractComplexBinding;
030:        import org.geotools.xml.ElementInstance;
031:        import org.geotools.xml.Node;
032:
033:        /**
034:         * Binding object for the element http://www.opengis.net/sld:Fill.
035:         *
036:         * <p>
037:         *        <pre>
038:         *         <code>
039:         *  &lt;xsd:element name="Fill"&gt;
040:         *      &lt;xsd:annotation&gt;
041:         *          &lt;xsd:documentation&gt;         A &quot;Fill&quot; specifies the
042:         *              pattern for filling an area geometry.         The allowed
043:         *              CssParameters are: &quot;fill&quot; (color) and
044:         *              &quot;fill-opacity&quot;.       &lt;/xsd:documentation&gt;
045:         *      &lt;/xsd:annotation&gt;
046:         *      &lt;xsd:complexType&gt;
047:         *          &lt;xsd:sequence&gt;
048:         *              &lt;xsd:element ref="sld:GraphicFill" minOccurs="0"/&gt;
049:         *              &lt;xsd:element ref="sld:CssParameter" minOccurs="0" maxOccurs="unbounded"/&gt;
050:         *          &lt;/xsd:sequence&gt;
051:         *      &lt;/xsd:complexType&gt;
052:         *  &lt;/xsd:element&gt;
053:         *
054:         *          </code>
055:         *         </pre>
056:         * </p>
057:         *
058:         * @generated
059:         */
060:        public class SLDFillBinding extends AbstractComplexBinding {
061:            StyleFactory styleFactory;
062:
063:            public SLDFillBinding(StyleFactory styleFactory) {
064:                this .styleFactory = styleFactory;
065:            }
066:
067:            /**
068:             * @generated
069:             */
070:            public QName getTarget() {
071:                return SLD.FILL;
072:            }
073:
074:            /**
075:             * <!-- begin-user-doc -->
076:             * <!-- end-user-doc -->
077:             *
078:             * @generated modifiable
079:             */
080:            public int getExecutionMode() {
081:                return AFTER;
082:            }
083:
084:            /**
085:             * <!-- begin-user-doc -->
086:             * <!-- end-user-doc -->
087:             *
088:             * @generated modifiable
089:             */
090:            public Class getType() {
091:                return Fill.class;
092:            }
093:
094:            /**
095:             * <!-- begin-user-doc -->
096:             * <!-- end-user-doc -->
097:             *
098:             * @generated modifiable
099:             */
100:            public void initialize(ElementInstance instance, Node node,
101:                    MutablePicoContainer context) {
102:            }
103:
104:            /**
105:             * <!-- begin-user-doc -->
106:             * <!-- end-user-doc -->
107:             *
108:             * @generated modifiable
109:             */
110:            public Object parse(ElementInstance instance, Node node,
111:                    Object value) throws Exception {
112:                Expression color = null;
113:                Expression opacity = null;
114:                Graphic graphicFill = null;
115:
116:                graphicFill = (Graphic) node.getChildValue("GraphicFill");
117:
118:                //&quot;fill&quot; (color) 
119:                //&quot;fill-opacity&quot;
120:                List params = node.getChildValues("CssParameter");
121:
122:                for (Iterator itr = params.iterator(); itr.hasNext();) {
123:                    CssParameter param = (CssParameter) itr.next();
124:
125:                    if ("fill".equals(param.getName())) {
126:                        color = (Expression) param.getExpressions().get(0);
127:                    }
128:
129:                    if ("fill-opacity".equals(param.getName())) {
130:                        opacity = (Expression) param.getExpressions().get(0);
131:                    }
132:                }
133:
134:                Fill fill = styleFactory.createFill(color);
135:
136:                if (opacity != null) {
137:                    fill.setOpacity(opacity);
138:                }
139:
140:                return fill;
141:            }
142:        }