/*
* 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 org.apache.harmony.security.x509;
import java.io.IOException;
/**
* This class implements the values of Subject Alternative Name
* (OID is 2.5.29.17) and Issuer Alternative Name extensions
* (OID is 2.5.29.18).<br>
* For more information about these extensions see RFC 3280
* at http://www.ietf.org/rfc/rfc3280.txt
*/
public final class AlternativeName extends ExtensionValue {
// constants indicating which alternative name is presented
// by this object
public static final boolean ISSUER = false;
public static final boolean SUBJECT = true;
/** indicating which alternative name is presented by this object */
private boolean which;
/** the alternative names */
private GeneralNames alternativeNames;
/**
* Creates the extension object on the base of its encoded form.
* @param which specifies which alternative names are given
* (Subject's or Issuer's)
*/
public AlternativeName(boolean which, byte[] encoding) throws IOException {
super(encoding);
this.which = which;
this.alternativeNames = (GeneralNames) GeneralNames.ASN1.decode(encoding);
}
/**
* Returns ASN.1 encoded form of this X.509 AlternativeName value.
*/
@Override public byte[] getEncoded() {
if (encoding == null) {
encoding = GeneralNames.ASN1.encode(alternativeNames);
}
return encoding;
}
@Override public void dumpValue(StringBuilder sb, String prefix) {
sb.append(prefix).append((which) ? "Subject" : "Issuer").append(" Alternative Names [\n");
alternativeNames.dumpValue(sb, prefix + " ");
sb.append(prefix).append("]\n");
}
}