/*
* 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;
import javax.security.auth.x500.X500Principal;
import org.apache.harmony.security.asn1.ASN1Sequence;
import org.apache.harmony.security.asn1.ASN1Type;
import org.apache.harmony.security.asn1.BerInputStream;
import org.apache.harmony.security.x501.Name;
/**
* CRL Entry's Certificate Issuer Extension (OID = 2.5.29.29).
* It is a CRL entry extension and contains the GeneralNames describing
* the issuer of revoked certificate. Its ASN.1 notation is as follows:
* <pre>
* id-ce-certificateIssuer OBJECT IDENTIFIER ::= { id-ce 29 }
*
* certificateIssuer ::= GeneralNames
* </pre>
* (as specified in RFC 3280)
* In java implementation it is presumed that GeneralNames consist of
* one element and its type is directoryName.
*/
public final class CertificateIssuer extends ExtensionValue {
/** certificate issuer value */
private X500Principal issuer;
/**
* Creates an object on the base of its encoded form.
*/
public CertificateIssuer(byte[] encoding) {
super(encoding);
}
public X500Principal getIssuer() throws IOException {
if (issuer == null) {
issuer = (X500Principal) ASN1.decode(getEncoded());
}
return issuer;
}
@Override public void dumpValue(StringBuilder sb, String prefix) {
sb.append(prefix).append("Certificate Issuer: ");
if (issuer == null) {
try {
issuer = getIssuer();
} catch (IOException e) {
// incorrect extension value encoding
sb.append("Unparseable (incorrect!) extension value:\n");
super.dumpValue(sb);
}
}
sb.append(issuer).append('\n');
}
/**
* ASN.1 Encoder/Decoder.
*/
public static final ASN1Type ASN1 = new ASN1Sequence(new ASN1Type[] { GeneralName.ASN1 }) {
@Override public Object getDecodedObject(BerInputStream in) {
return ((Name) ((GeneralName) ((Object[]) in.content)[0])
.getName()).getX500Principal();
}
@Override protected void getValues(Object object, Object[] values) {
values[0] = object;
}
};
}