/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.compass.core.converter.mapping.osem;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.compass.core.Resource;
import org.compass.core.converter.ConversionException;
import org.compass.core.converter.Converter;
import org.compass.core.mapping.Mapping;
import org.compass.core.marshall.MarshallingContext;
import org.compass.core.marshall.MarshallingEnvironment;
/**
*
* @author kimchy
*
*/
public class ParentMappingConverter implements Converter {
private static Log log = LogFactory.getLog(ParentMappingConverter.class);
public boolean marshall(Resource resource, Object root, Mapping mapping, MarshallingContext context)
throws ConversionException {
// nothing to do here
return false;
}
public Object unmarshall(Resource resource, Mapping mapping, MarshallingContext context) throws ConversionException {
// ParentMapping parentMapping = (ParentMapping) mapping;
Object parent = context.getAttribute(MarshallingEnvironment.ATTRIBUTE_PARENT);
if (parent == null) {
log.warn("The parent object should not be null, skipping the unmarshall");
return null;
}
return parent;
}
}