/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.filter.v1_0;
import java.util.Calendar;
import java.util.TimeZone;
import javax.xml.namespace.QName;
import org.geotools.util.Converters;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.geotools.xml.Text;
import org.geotools.xml.impl.DatatypeConverterImpl;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.expression.Literal;
import org.picocontainer.MutablePicoContainer;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* Binding object for the type http://www.opengis.net/ogc:LiteralType.
*
* <p>
* <pre>
* <code>
* <xsd:complexType name="LiteralType">
* <xsd:complexContent mixed="true">
* <xsd:extension base="ogc:ExpressionType">
* <xsd:sequence>
* <xsd:any minOccurs="0"/>
* </xsd:sequence>
* </xsd:extension>
* </xsd:complexContent>
* </xsd:complexType>
*
* </code>
* </pre>
* </p>
*
* @generated
*
*
*
* @source $URL$
*/
public class OGCLiteralTypeBinding extends AbstractComplexBinding {
private FilterFactory factory;
public OGCLiteralTypeBinding(FilterFactory factory) {
this.factory = factory;
}
/**
* @generated
*/
public QName getTarget() {
return OGC.LiteralType;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public int getExecutionMode() {
return OVERRIDE;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Class getType() {
return Literal.class;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public void initialize(ElementInstance instance, Node node, MutablePicoContainer context) {
}
/**
* <!-- begin-user-doc -->
* Just pass on emeded value as is.
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
//number of possibilities here since single child is of type any
//1. has child elements
if (!node.getChildren().isEmpty()) {
Object childValue = node.getChildValue(0);
if(childValue instanceof Text){
childValue = ((Text)childValue).getValue();
}
return factory.literal(childValue);
}
//2. no child elements, just return the text if any
return factory.literal(value);
}
public Element encode(Object object, Document document, Element value)
throws Exception {
Literal literal = (Literal) object;
Object unconvertedValue = literal.getValue();
if (unconvertedValue != null) {
// use converter api to sreialize
String textValue = Converters.convert(unconvertedValue, String.class);
value.appendChild(document.createTextNode(textValue));
}
return value;
}
}