/**
* 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 java.util.ArrayList;
import java.util.Collection;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import org.apache.cxf.Bus;
import org.apache.cxf.ws.policy.AssertionBuilder;
import org.apache.cxf.ws.policy.PolicyConstants;
import org.apache.neethi.Assertion;
public class PrimitiveAssertionBuilder implements AssertionBuilder {
protected Bus bus;
private Collection<QName> knownElements = new ArrayList<QName>();
public void setBus(Bus b) {
bus = b;
}
public Assertion build(Element element) {
return new PrimitiveAssertion(element, getPolicyConstants());
}
public Collection<QName> getKnownElements() {
return knownElements;
}
public void setKnownElements(Collection<QName> k) {
knownElements = k;
}
/**
* If the two assertions are equal, they are also compatible.
* The compatible policy is optional iff both assertions are optional.
*/
public Assertion buildCompatible(Assertion a, Assertion b) {
if (knownElements.contains(a.getName()) && a.getName().equals(b.getName())) {
return new PrimitiveAssertion(a.getName(), a.isOptional() && b.isOptional());
}
return null;
}
protected PolicyConstants getPolicyConstants() {
PolicyConstants constants = null;
if (null != bus) {
constants = bus.getExtension(PolicyConstants.class);
}
if (null == constants) {
constants = new PolicyConstants();
}
return constants;
}
}