/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed 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 examples;

import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;

import org.apache.ws.policy.model.Policy;
import org.apache.ws.policy.util.PolicyFactory;
import org.apache.ws.policy.util.PolicyReader;
import org.apache.ws.policy.util.PolicyWriter;

/**
 * @author Werner Dittmann (werner@apache.org)
 */

public class SimplePolicyExample {

	public static void main(String[] args) throws Exception {

		FileInputStream fis = null;
		if (args.length > 0) {
			fis = new FileInputStream(args[0]);			
		}
		else {
			fis = new FileInputStream("policy/src/examples/policy2.xml");
		}

		PolicyReader prdr = PolicyFactory.getInstance().getPolicyReader();
	    PolicyWriter pwrt = PolicyFactory.getInstance().getPolicyWriter();
	    
	    Policy argOne = prdr.readPolicy(fis);
	    Policy norm  = (Policy)argOne.normalize();
	    
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        pwrt.writePolicy(norm, baos);

		System.out.println(baos.toString());
	}
}