/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
* This code is licensed under the GPL 2.0 license, availible at the root
* application directory.
*/
package org.geoserver.wfs.xml.filter.v1_1;
import org.geoserver.catalog.Catalog;
import org.geoserver.wfs.WFSException;
import org.geotools.filter.v1_0.OGCPropertyNameTypeBinding;
import org.geotools.gml3.GML;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.expression.PropertyName;
import org.xml.sax.helpers.NamespaceSupport;
/**
* A binding for ogc:PropertyName which does a special case check for an empty
* property name.
*
* @author Justin Deoliveira, The Open Planning Project
*
*/
public class PropertyNameTypeBinding extends OGCPropertyNameTypeBinding {
/** the geoserver catalog */
Catalog catalog;
/** parser namespace mappings */
NamespaceSupport namespaceSupport;
public PropertyNameTypeBinding(FilterFactory filterFactory, NamespaceSupport namespaceSupport,
Catalog catalog) {
super(filterFactory);
this.namespaceSupport = namespaceSupport;
this.catalog = catalog;
}
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
PropertyName propertyName = (PropertyName) super.parse(instance, node, value);
//JD: temporary hack, this should be carried out at evaluation time
String name = propertyName.getPropertyName();
if (name != null && name.matches("\\w+:\\w+")) {
//namespace qualified name, ensure the prefix is valid
String prefix = name.substring(0, name.indexOf(':'));
String namespaceURI = namespaceSupport.getURI(prefix);
//only accept if its an application schema namespace, or gml
if (!GML.NAMESPACE.equals(namespaceURI)
&& (catalog.getNamespaceByURI(namespaceURI) == null)) {
throw new WFSException("Illegal attribute namespace: " + namespaceURI);
}
}
return propertyName;
}
}