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/*******************************************************************************
* Copyright (c) 1998, 2012 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* rick.barkhouse - added as part of fix for SDO 2.1.1 TCK 'sdoPathXSDQNameTest'
******************************************************************************/
package org.eclipse.persistence.sdo.helper.metadata;
import org.eclipse.persistence.mappings.foundation.AbstractTransformationMapping;
import org.eclipse.persistence.mappings.transformers.FieldTransformer;
import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLDescriptor;
import org.eclipse.persistence.sessions.Session;
public class NamespaceURITransformer implements FieldTransformer {
private static final char HASH = '#';
AbstractTransformationMapping transformationMapping;
private NamespaceResolver namespaceResolver;
public NamespaceURITransformer() {
super();
}
public void initialize(AbstractTransformationMapping mapping) {
transformationMapping = mapping;
namespaceResolver = ((XMLDescriptor) mapping.getDescriptor()).getNamespaceResolver();
}
public Object buildFieldValue(Object instance, String fieldName, Session session) {
if (null == instance) {
return null;
}
String value = (String) transformationMapping.getAttributeValueFromObject(instance);
if(value == null){
return null;
}
int index = value.lastIndexOf(HASH);
if (index > -1) {
String namespaceURI = value.substring(0, index);
if(null == namespaceResolver) {
// If there is no NamespaceResolver, then assume the URI is in the default namespace
return namespaceURI;
}
String prefix = namespaceResolver.resolveNamespaceURI(namespaceURI);
if (prefix == null) {
return namespaceURI;
}
return null;
} else {
return null;
}
}
}