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 javax.security.auth.x500.X500Principal;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Choice;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Implicit;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Type;
  import android.framework.org.apache.harmony.security_custom.asn1.BerInputStream;
  import android.framework.org.apache.harmony.security_custom.x501.Name;
  
  /**
   * The class encapsulates the ASN.1 DER encoding/decoding work
   * with the DistributionPointName 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 DistributionPointName {
      private final GeneralNames fullName;
      private final Name nameRelativeToCRLIssuer;
  
      public DistributionPointName(GeneralNames fullName) {
          this.fullName = fullName;
          this.nameRelativeToCRLIssuer = null;
      }
  
      public DistributionPointName(Name nameRelativeToCRLIssuer) {
          this.fullName = null;
          this.nameRelativeToCRLIssuer = nameRelativeToCRLIssuer;
      }
  
      public void dumpValue(StringBuilder sb, String prefix) {
          sb.append(prefix);
          sb.append("Distribution Point Name: [\n");
          if (fullName != null) {
              fullName.dumpValue(sb, prefix + "  ");
          } else {
              sb.append(prefix);
              sb.append("  ");
              sb.append(nameRelativeToCRLIssuer.getName(X500Principal.RFC2253));
          }
          sb.append(prefix);
          sb.append("]\n");
      }
  
      public static final ASN1Choice ASN1 = new ASN1Choice(new ASN1Type[] {
              new ASN1Implicit(0, GeneralNames.ASN1),
              new ASN1Implicit(1, Name.ASN1_RDN) }) {
  
          public int getIndex(java.lang.Object object) {
              DistributionPointName dpn = (DistributionPointName) object;
              return (dpn.fullName == null) ? 1 : 0;
          }
  
          @Override protected Object getDecodedObject(BerInputStream in) throws IOException {
              DistributionPointName result = null;
              if (in.choiceIndex == 0) {
                  result = new DistributionPointName((GeneralNames) in.content);
              } else {
                  // note: ASN.1 decoder will report an error if index
                  // is neither 0 or 1
                  result = new DistributionPointName((Name) in.content);
              }
              return result;
          }
  
          public Object getObjectToEncode(Object object) {
              DistributionPointName dpn = (DistributionPointName) object;
              if (dpn.fullName == null) {
                  return dpn.nameRelativeToCRLIssuer;
              } else {
                  return dpn.fullName;
              }
          }
      };
  }
  