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Java APIs to validate and request VOMS attribute certificates

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/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare, 2006-2012.
 *
 * 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 org.italiangrid.voms.examples;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.KeyStoreException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.List;

import org.italiangrid.voms.VOMSAttribute;
import org.italiangrid.voms.VOMSValidators;
import org.italiangrid.voms.ac.VOMSACValidator;

import eu.emi.security.authn.x509.impl.PEMCredential;

/** 
 * A simple example showing how VOMS attributes validation is done with the new API
 * @author Andrea Ceccanti
 *
 */
public class ValidationExample {

	public ValidationExample() throws KeyStoreException, CertificateException, FileNotFoundException, IOException {
		
		VOMSACValidator validator = VOMSValidators.newValidator();
		
		PEMCredential c = new PEMCredential(new FileInputStream("somefile"), (char[])null);
		
		X509Certificate[] chain = c.getCertificateChain();
		
		List attrs = validator.validate(chain);
		
		for (VOMSAttribute a: attrs)
			System.out.println(a);

		validator.shutdown();
		
	}

	/**
	 * @param args
	 * @throws IOException 
	 * @throws FileNotFoundException 
	 * @throws CertificateException 
	 * @throws KeyStoreException 
	 */
	public static void main(String[] args) throws KeyStoreException, CertificateException, FileNotFoundException, IOException {
		new ValidationExample();

	}

}