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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.cxf.ws.security.policy.model;


import org.apache.cxf.ws.policy.PolicyAssertion;
import org.apache.cxf.ws.policy.PolicyBuilder;
import org.apache.cxf.ws.security.policy.SPConstants;
import org.apache.neethi.All;
import org.apache.neethi.ExactlyOne;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyComponent;
import org.apache.neethi.PolicyContainingAssertion;

public abstract class TokenWrapper extends AbstractSecurityAssertion 
    implements PolicyAssertion, PolicyContainingAssertion {
    protected PolicyBuilder builder;
    protected Token token;

    public TokenWrapper(SPConstants version, PolicyBuilder b) {
        super(version);
        builder = b;
    }
    
    public void setToken(Token tok) {
        token = tok;
    }
    public Token getToken() {
        return token;
    }
    
    public PolicyComponent normalize() {
        if (token != null) {
            All all = new All();
            all.addPolicyComponent(token.normalize());
            all.addPolicyComponent(this);
            return all;
        }
        return this;
    }
    
    public Policy getPolicy() {
        if (token != null) {
            Policy p = new Policy();
            ExactlyOne ea = new ExactlyOne();
            p.addPolicyComponent(ea);
            All all = new All();
            all.addPolicyComponent(token);
            ea.addPolicyComponent(all);
            PolicyComponent pc = p.normalize(builder.getPolicyRegistry(), true);
            if (pc instanceof Policy) {
                return (Policy)pc;
            } else {
                p = new Policy();
                p.addPolicyComponent(pc);
                return p;
            }
        }
        return null;
    }

}