/**
* 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.neethi.builders;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.apache.neethi.All;
import org.apache.neethi.Assertion;
import org.apache.neethi.ExactlyOne;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyComponent;
import org.apache.neethi.PolicyContainingAssertion;
/**
* Implementation of an assertion that required exactly one (possibly empty) child element
* of type Policy (as does for examples the wsam:Addressing assertion).
*
*/
public class PolicyContainingPrimitiveAssertion
extends PrimitiveAssertion
implements PolicyContainingAssertion {
protected Policy nested;
public PolicyContainingPrimitiveAssertion(QName name,
boolean optional,
boolean ignorable,
Policy p) {
super(name, optional, ignorable);
this.nested = p;
}
public PolicyContainingPrimitiveAssertion(QName name,
boolean optional,
boolean ignorable,
Map<QName, String> atts,
Policy p) {
super(name, optional, ignorable, atts);
this.nested = p;
}
public PolicyComponent normalize() {
Policy normalisedNested
= (Policy)nested.normalize(true);
Policy p = new Policy(nested.getPolicyRegistry(), nested.getNamespace());
ExactlyOne ea = new ExactlyOne();
p.addPolicyComponent(ea);
if (isOptional()) {
ea.addPolicyComponent(new All());
}
// for all alternatives in normalized nested policy
Iterator<List<Assertion>> alternatives = normalisedNested.getAlternatives();
while (alternatives.hasNext()) {
All all = new All();
List<Assertion> alternative = alternatives.next();
Policy n = new Policy(nested.getPolicyRegistry(), nested.getNamespace());
Assertion a = clone(false, n);
ExactlyOne nea = new ExactlyOne();
n.addPolicyComponent(nea);
All na = new All();
nea.addPolicyComponent(na);
na.addPolicyComponents(alternative);
all.addPolicyComponent(a);
ea.addPolicyComponent(all);
}
return p;
}
protected Assertion clone(boolean optional, Policy n) {
return new PolicyContainingPrimitiveAssertion(name, optional, ignorable, attributes, n);
}
public boolean equal(PolicyComponent policyComponent) {
if (this == policyComponent) {
return true;
}
if (!super.equal(policyComponent)) {
return false;
}
PolicyContainingPrimitiveAssertion other = (PolicyContainingPrimitiveAssertion)policyComponent;
return getPolicy().equal(other.getPolicy());
}
public void setPolicy(Policy n) {
nested = n;
}
public Policy getPolicy() {
return nested;
}
protected void writeContents(XMLStreamWriter writer) throws XMLStreamException {
nested.serialize(writer);
}
protected boolean hasContents() {
return true;
}
}