org.apache.cxf.ws.policy.selector.MaximalAlternativeSelector Maven / Gradle / Ivy
/**
* 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.selector;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.apache.cxf.ws.policy.AlternativeSelector;
import org.apache.cxf.ws.policy.Assertor;
import org.apache.cxf.ws.policy.PolicyEngine;
import org.apache.neethi.Assertion;
import org.apache.neethi.Policy;
/**
*
*/
public class MaximalAlternativeSelector implements AlternativeSelector {
public Collection selectAlternative(
Policy policy, PolicyEngine engine, Assertor assertor) {
Collection choice = null;
Iterator> alternatives = policy.getAlternatives();
while (alternatives.hasNext()) {
List alternative = alternatives.next();
if (engine.supportsAlternative(alternative, assertor)
&& (null == choice || alternative.size() > choice.size())) {
choice = alternative;
}
}
return choice;
}
}