/**
* 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.cxf.ws.policy.builder.primitive;
import org.w3c.dom.Element;
import org.apache.cxf.ws.policy.AssertionBuilderRegistry;
import org.apache.cxf.ws.policy.Intersector;
import org.apache.cxf.ws.policy.PolicyBuilder;
import org.apache.neethi.Assertion;
import org.apache.neethi.Policy;
public class NestedPrimitiveAssertionBuilder extends PrimitiveAssertionBuilder {
private PolicyBuilder builder;
private AssertionBuilderRegistry assertionBuilderRegistry;
public void setPolicyBuilder(PolicyBuilder b) {
builder = b;
}
public void setAssertionBuilderRegistry(AssertionBuilderRegistry abr) {
assertionBuilderRegistry = abr;
}
@Override
public Assertion build(Element elem) {
return new NestedPrimitiveAssertion(elem, builder, getPolicyConstants());
}
@Override
/**
* If the nested policies in both assertions are empty, the compatible policy
* .
* The compatible policy is optional iff both assertions are optional.
*/
public Assertion buildCompatible(Assertion a, Assertion b) {
if (!getKnownElements().contains(a.getName()) || !a.getName().equals(b.getName())) {
return null;
}
if (null == assertionBuilderRegistry) {
return null;
}
NestedPrimitiveAssertion na = (NestedPrimitiveAssertion)a;
NestedPrimitiveAssertion nb = (NestedPrimitiveAssertion)b;
Intersector intersector = new Intersector(assertionBuilderRegistry);
Policy nested = intersector.intersect(na.getNested(), nb.getNested());
if (null == nested) {
return null;
}
NestedPrimitiveAssertion compatible =
new NestedPrimitiveAssertion(a.getName(), a.isOptional() && b.isOptional());
compatible.setNested(nested);
return compatible;
}
}