/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * 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.glite.security.voms.admin.util;

import java.io.InputStream;
import java.security.Security;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

import org.bouncycastle.jce.provider.BouncyCastleProvider;

public class CertUtil {

  static {
    if (Security.getProvider("BC") == null) {
      Security.addProvider(new BouncyCastleProvider());
    }
  }

  public static void validateCertificate(X509Certificate cert) {

  }

  public static X509Certificate parseCertficate(InputStream in)
    throws CertificateException {

    CertificateFactory certFactory = CertificateFactory.getInstance("X.509",
      Security.getProvider("BC"));

    X509Certificate cert = (X509Certificate) certFactory
      .generateCertificate(in);

    validateCertificate(cert);
    return cert;

  }

}