1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package org.apache.harmony.security.x509; 19 20import org.apache.harmony.security.asn1.ASN1Oid; 21import org.apache.harmony.security.asn1.ASN1Sequence; 22import org.apache.harmony.security.asn1.ASN1Type; 23import org.apache.harmony.security.asn1.BerInputStream; 24import org.apache.harmony.security.asn1.ObjectIdentifier; 25 26/** 27 * The class encapsulates the ASN.1 DER encoding/decoding work 28 * with the AccessDescription which is a part of X.509 framework 29 * (as specified in RFC 3280 - 30 * Internet X.509 Public Key Infrastructure. 31 * Certificate and Certificate Revocation List (CRL) Profile. 32 * http://www.ietf.org/rfc/rfc3280.txt): 33 * 34 * AccessDescription ::= SEQUENCE { 35 * accessMethod OBJECT IDENTIFIER, 36 * accessLocation GeneralName } 37 */ 38public final class AccessDescription { 39 40 /** the value of access method */ 41 private final String accessMethod; 42 43 /** the value of accessLocation */ 44 private final GeneralName accessLocation; 45 46 private byte[] encoding; 47 48 private AccessDescription(String accessMethod, GeneralName accessLocation, byte[] encoding) { 49 this.accessMethod = accessMethod; 50 this.accessLocation = accessLocation; 51 this.encoding = encoding; 52 } 53 54 /** 55 * Returns ASN.1 encoded form of this X.509 AccessDescription. 56 */ 57 public byte[] getEncoded() { 58 if (encoding == null) { 59 encoding = ASN1.encode(this); 60 } 61 return encoding; 62 } 63 64 @Override public String toString() { 65 StringBuilder res = new StringBuilder(); 66 res.append("\n-- AccessDescription:"); 67 res.append("\naccessMethod: "); 68 res.append(accessMethod); 69 res.append("\naccessLocation: "); 70 res.append(accessLocation); 71 res.append("\n-- AccessDescription END\n"); 72 return res.toString(); 73 } 74 75 /** 76 * Custom AccessDescription DER encoder/decoder 77 */ 78 public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] { 79 ASN1Oid.getInstance(), 80 GeneralName.ASN1 }) { 81 82 @Override protected Object getDecodedObject(BerInputStream in) { 83 Object[] values = (Object[]) in.content; 84 return new AccessDescription( 85 ObjectIdentifier.toString((int[]) values[0]), 86 (GeneralName) values[1], in.getEncoded()); 87 } 88 89 @Override protected void getValues(Object object, Object[] values) { 90 AccessDescription ad = (AccessDescription) object; 91 values[0] = ObjectIdentifier.toIntArray(ad.accessMethod); 92 values[1] = ad.accessLocation; 93 } 94 }; 95} 96 97