/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.sca.contribution.resource.impl;
import org.apache.tuscany.sca.contribution.Artifact;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.resource.ResourceExport;
/**
* A model resolver for resource exports.
*
* @version $Rev: 993091 $ $Date: 2010-09-06 17:49:51 +0100 (Mon, 06 Sep 2010) $
*/
public class ResourceExportModelResolver implements ModelResolver {
private ResourceExport export;
private ModelResolver resolver;
public ResourceExportModelResolver(ResourceExport export, ModelResolver resolver) {
this.export = export;
this.resolver = resolver;
}
public void addModel(Object resolved, ProcessorContext context) {
throw new IllegalStateException();
}
public Object removeModel(Object resolved, ProcessorContext context) {
throw new IllegalStateException();
}
public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) {
// Filter based on the artifact URI
Artifact artifact = (Artifact)unresolved;
if (export.getURI().equals(artifact.getURI())) {
// The artifact URI matches the exported URI, delegate to the
// contribution's resolver
return resolver.resolveModel(modelClass, unresolved, context);
} else {
// The artifact URI is not exported, return the unresolved object
return unresolved;
}
}
}