content: /*
   *  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.
   */
  
  /**
  * @author Alexander Y. Kleymenov
  * @version $Revision$
  */
  
  package android.framework.org.apache.harmony.security_custom.x509;
  
  import java.io.IOException;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Explicit;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Implicit;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Sequence;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Type;
  import android.framework.org.apache.harmony.security_custom.asn1.BerInputStream;
  
  /**
   * The class encapsulates the ASN.1 DER encoding/decoding work
   * with the DistributionPoint structure which is the part of X.509 CRL
   * (as specified in RFC 3280 -
   *  Internet X.509 Public Key Infrastructure.
   *  Certificate and Certificate Revocation List (CRL) Profile.
   *  http://www.ietf.org/rfc/rfc3280.txt):
   *
   * <pre>
   *  CRLDistributionPoints ::= SEQUENCE SIZE (1..MAX) OF DistributionPoint
   *
   *  DistributionPoint ::= SEQUENCE {
   *        distributionPoint       [0]     DistributionPointName OPTIONAL,
   *        reasons                 [1]     ReasonFlags OPTIONAL,
   *        cRLIssuer               [2]     GeneralNames OPTIONAL
   *  }
   *
   *  DistributionPointName ::= CHOICE {
   *        fullName                [0]     GeneralNames,
   *        nameRelativeToCRLIssuer [1]     RelativeDistinguishedName
   *  }
   *
   *  ReasonFlags ::= BIT STRING {
   *        unused                  (0),
   *        keyCompromise           (1),
   *        cACompromise            (2),
   *        affiliationChanged      (3),
   *        superseded              (4),
   *        cessationOfOperation    (5),
   *        certificateHold         (6),
   *        privilegeWithdrawn      (7),
   *        aACompromise            (8)
   *  }
   * </pre>
   */
  public final class DistributionPoint {
      private final DistributionPointName distributionPoint;
      private final ReasonFlags reasons;
      private final GeneralNames cRLIssuer;
  
      public DistributionPoint(DistributionPointName distributionPoint,
              ReasonFlags reasons, GeneralNames cRLIssuer) {
          if ((reasons != null) && (distributionPoint == null) && (cRLIssuer == null)) {
              throw new IllegalArgumentException("DistributionPoint MUST NOT consist of only the reasons field");
          }
          this.distributionPoint = distributionPoint;
          this.reasons = reasons;
          this.cRLIssuer = cRLIssuer;
      }
  
      public void dumpValue(StringBuilder sb, String prefix) {
          sb.append(prefix);
          sb.append("Distribution Point: [\n");
          if (distributionPoint != null) {
              distributionPoint.dumpValue(sb, prefix + "  ");
          }
          if (reasons != null) {
              reasons.dumpValue(sb, prefix + "  ");
          }
          if (cRLIssuer != null) {
              sb.append(prefix);
              sb.append("  CRL Issuer: [\n");
              cRLIssuer.dumpValue(sb, prefix + "    ");
              sb.append(prefix);
              sb.append("  ]\n");
          }
          sb.append(prefix);
          sb.append("]\n");
      }
  
      /**
       * Custom X.509 decoder.
       */
      public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] {
                  new ASN1Explicit(0, DistributionPointName.ASN1),
                  new ASN1Implicit(1, ReasonFlags.ASN1),
                  new ASN1Implicit(2, GeneralNames.ASN1)
              }) {
          {
              setOptional(0);
              setOptional(1);
              setOptional(2);
          }
  
          @Override protected Object getDecodedObject(BerInputStream in) throws IOException {
              Object[] values = (Object[]) in.content;
              return new DistributionPoint((DistributionPointName) values[0],
                      (ReasonFlags) values[1], (GeneralNames) values[2]);
          }
  
          @Override protected void getValues(Object object, Object[] values) {
              DistributionPoint dp = (DistributionPoint) object;
              values[0] = dp.distributionPoint;
              values[1] = dp.reasons;
              values[2] = dp.cRLIssuer;
          }
      };
  }
  