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.
   */
  
  package android.framework.org.apache.harmony.security_custom.x509;
  
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Oid;
  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;
  import android.framework.org.apache.harmony.security_custom.asn1.ObjectIdentifier;
  
  /**
   * The class encapsulates the ASN.1 DER encoding/decoding work
   * with the AccessDescription which is a part of X.509 framework
   * (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):
   *
   *  AccessDescription  ::=  SEQUENCE {
   *      accessMethod          OBJECT IDENTIFIER,
   *      accessLocation        GeneralName  }
   */
  public final class AccessDescription {
  
      /** the value of access method */
      private final String accessMethod;
  
      /** the value of accessLocation */
      private final GeneralName accessLocation;
  
      private byte[] encoding;
  
      private AccessDescription(String accessMethod, GeneralName accessLocation, byte[] encoding) {
          this.accessMethod = accessMethod;
          this.accessLocation = accessLocation;
          this.encoding = encoding;
      }
  
      /**
       * Returns ASN.1 encoded form of this X.509 AccessDescription.
       */
      public byte[] getEncoded() {
          if (encoding == null) {
              encoding = ASN1.encode(this);
          }
          return encoding;
      }
  
      @Override public String toString() {
          StringBuilder res = new StringBuilder();
          res.append("\n-- AccessDescription:");
          res.append("\naccessMethod:  ");
          res.append(accessMethod);
          res.append("\naccessLocation:  ");
          res.append(accessLocation);
          res.append("\n-- AccessDescription END\n");
          return res.toString();
      }
  
      /**
       * Custom AccessDescription DER encoder/decoder
       */
      public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] {
              ASN1Oid.getInstance(),
              GeneralName.ASN1 }) {
  
          @Override protected Object getDecodedObject(BerInputStream in) {
              Object[] values = (Object[]) in.content;
              return new AccessDescription(
                      ObjectIdentifier.toString((int[]) values[0]),
                      (GeneralName) values[1], in.getEncoded());
          }
  
          @Override protected void getValues(Object object, Object[] values) {
              AccessDescription ad = (AccessDescription) object;
              values[0] = ObjectIdentifier.toIntArray(ad.accessMethod);
              values[1] = ad.accessLocation;
          }
      };
  }
  
  