/* 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;
import org.eclipse.xsd.XSDAttributeDeclaration;
import org.eclipse.xsd.XSDElementDeclaration;
import org.eclipse.xsd.XSDSchema;
import org.geoserver.catalog.Catalog;
import org.geoserver.catalog.FeatureTypeInfo;
import org.geotools.xml.impl.AttributeHandler;
import org.geotools.xml.impl.DocumentHandler;
import org.geotools.xml.impl.ElementHandler;
import org.geotools.xml.impl.ElementHandlerImpl;
import org.geotools.xml.impl.Handler;
import org.geotools.xml.impl.HandlerFactory;
import org.geotools.xml.impl.ParserHandler;
import java.io.IOException;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
/**
* Special handler factory which creates handlers for elements which are
* defined as wfs feature types.
*
* @author Justin Deoliveira, The Open Planning Project
*
*/
public class WFSHandlerFactory implements HandlerFactory {
static Logger logger = org.geotools.util.logging.Logging.getLogger("org.geoserver.wfs");
/**
* Catalog reference
*/
Catalog catalog;
/**
* Schema Builder
*/
FeatureTypeSchemaBuilder schemaBuilder;
public WFSHandlerFactory(Catalog catalog, FeatureTypeSchemaBuilder schemaBuilder) {
this.catalog = catalog;
this.schemaBuilder = schemaBuilder;
}
public DocumentHandler createDocumentHandler(ParserHandler parser) {
return null;
}
public ElementHandler createElementHandler(QName name, Handler parent, ParserHandler parser) {
String namespaceURI = name.getNamespaceURI();
if (namespaceURI == null) {
//assume default
namespaceURI = catalog.getDefaultNamespace().getURI();
}
try {
//look for a FeatureType
FeatureTypeInfo meta = catalog.getFeatureTypeByName( namespaceURI, name.getLocalPart() );
if (meta != null) {
//found it
XSDSchema schema = schemaBuilder.build(meta, null);
for (Iterator e = schema.getElementDeclarations().iterator(); e.hasNext();) {
XSDElementDeclaration element = (XSDElementDeclaration) e.next();
if (name.getLocalPart().equals(element.getName())) {
return new ElementHandlerImpl(element, parent, parser);
}
}
}
} catch (IOException e) {
logger.log(Level.WARNING, "Error building schema", e);
}
return null;
}
public ElementHandler createElementHandler(XSDElementDeclaration e, Handler parent,
ParserHandler parser) {
return null;
}
public AttributeHandler createAttributeHandler(XSDAttributeDeclaration a, Handler parent,
ParserHandler parser) {
return null;
}
}