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/*
* 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.policy.util;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.sca.policy.Intent;
import org.apache.tuscany.sca.policy.PolicySet;
/**
* Utility methods to deal with PolicyHandlers
*
* @version $Rev$ $Date$
*/
public class PolicyHandlerUtils {
public static PolicyHandler findPolicyHandler(PolicySet policySet,
Map<ClassLoader, List<PolicyHandlerTuple>> policyHandlerClassNames)
throws IllegalAccessException, ClassNotFoundException, InstantiationException {
PolicyHandler handler = null;
for (ClassLoader classLoader : policyHandlerClassNames.keySet()) {
for ( PolicyHandlerTuple handlerTuple : policyHandlerClassNames.get(classLoader) ) {
//System.out.println(handlerTuple);
for ( Intent intent : policySet.getProvidedIntents() ) {
if ( intent.getName().equals(handlerTuple.getProvidedIntentName())) {
for ( Object policy : policySet.getPolicies() ) {
if ( policy.getClass().getName().equals(handlerTuple.getPolicyModelClassName())) {
if ( handlerTuple.getAppliesTo() != null ) {
if ( handlerTuple.getAppliesTo().equals(policySet.getAppliesTo() )) {
handler =
(PolicyHandler)Class.forName(handlerTuple.getPolicyHandlerClassName(),
true,
classLoader).newInstance();
handler.setApplicablePolicySet(policySet);
return handler;
}
} else {
handler =
(PolicyHandler)Class.forName(handlerTuple.getPolicyHandlerClassName(),
true,
classLoader).newInstance();
handler.setApplicablePolicySet(policySet);
return handler;
}
}
}
}
}
}
}
return handler;
}
}
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