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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 javax.xml.namespace.QName;
import org.apache.tuscany.sca.policy.Intent;
import org.apache.tuscany.sca.policy.IntentAttachPoint;
import org.apache.tuscany.sca.policy.IntentAttachPointType;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
/**
* @version $Rev$ $Date$
*/
public class PolicyValidationUtils {
public static boolean isConstrained(QName constrained, IntentAttachPointType attachPointType) {
return (attachPointType != null && attachPointType.getName().getNamespaceURI()
.equals(constrained.getNamespaceURI()) && attachPointType.getName().getLocalPart()
.startsWith(constrained.getLocalPart()));
}
public static void validateIntents(IntentAttachPoint attachPoint,
IntentAttachPointType attachPointType)
throws PolicyValidationException {
boolean found = false;
if (attachPointType != null) {
// validate intents specified against the parent (binding /
// implementation)
found = false;
for (Intent intent : attachPoint.getRequiredIntents()) {
if (!intent.isUnresolved()) {
for (QName constrained : intent.getConstrains()) {
if (isConstrained(constrained, attachPointType)) {
found = true;
break;
}
}
if (!found) {
throw new PolicyValidationException("Policy Intent '" + intent.getName()
+ "' does not constrain extension type "
+ attachPointType.getName());
}
} else {
throw new PolicyValidationException("Policy Intent '" + intent.getName()
+ "' is not defined in this domain ");
}
}
}
}
public static void validatePolicySets(PolicySetAttachPoint policySetAttachPoint)
throws PolicyValidationException {
validatePolicySets(policySetAttachPoint,
policySetAttachPoint.getType(),
policySetAttachPoint.getApplicablePolicySets());
}
public static void validatePolicySets(PolicySetAttachPoint policySetAttachPoint,
IntentAttachPointType attachPointType)
throws PolicyValidationException {
validatePolicySets(policySetAttachPoint,
attachPointType,
policySetAttachPoint.getApplicablePolicySets());
}
public static void validatePolicySets(PolicySetAttachPoint policySetAttachPoint,
IntentAttachPointType attachPointType,
List<PolicySet> applicablePolicySets)
throws PolicyValidationException {
// Since the applicablePolicySets in a policySetAttachPoint will already
// have the list of policysets that might ever be applicable to this attachPoint,
// just check if the defined policysets feature in the list of applicable
// policysets
for (PolicySet definedPolicySet : policySetAttachPoint.getPolicySets()) {
if (!definedPolicySet.isUnresolved()) {
if (!applicablePolicySets.contains(definedPolicySet)) {
throw new PolicyValidationException("Policy Set '" + definedPolicySet
.getName()
+ "' does not apply to extension type "
+ attachPointType.getName());
}
} else {
throw new PolicyValidationException("Policy Set '" + definedPolicySet.getName()
+ "' is not defined in this domain ");
}
}
}
}
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