/*
* 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 org.apache.harmony.security.x509;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import org.apache.harmony.security.asn1.ASN1SequenceOf;
import org.apache.harmony.security.asn1.ASN1Type;
import org.apache.harmony.security.asn1.BerInputStream;
/**
* The class encapsulates the ASN.1 DER encoding/decoding work
* with the CRL Distribution Points which is the part of X.509 Certificate
* (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* superseded (4),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 CRLDistributionPoints extends ExtensionValue {
private List<DistributionPoint> distributionPoints;
private byte[] encoding;
private CRLDistributionPoints(List<DistributionPoint> distributionPoints, byte[] encoding) {
if ((distributionPoints == null) || (distributionPoints.size() == 0)) {
throw new IllegalArgumentException("distributionPoints are empty");
}
this.distributionPoints = distributionPoints;
this.encoding = encoding;
}
@Override public byte[] getEncoded() {
if (encoding == null) {
encoding = ASN1.encode(this);
}
return encoding;
}
public static CRLDistributionPoints decode(byte[] encoding) throws IOException {
return (CRLDistributionPoints) ASN1.decode(encoding);
}
@Override public void dumpValue(StringBuilder sb, String prefix) {
sb.append(prefix).append("CRL Distribution Points: [\n");
int number = 0;
for (DistributionPoint distributionPoint : distributionPoints) {
sb.append(prefix).append(" [").append(++number).append("]\n");
distributionPoint.dumpValue(sb, prefix + " ");
}
sb.append(prefix).append("]\n");
}
/**
* Custom X.509 decoder.
*/
public static final ASN1Type ASN1 = new ASN1SequenceOf(DistributionPoint.ASN1) {
@Override public Object getDecodedObject(BerInputStream in) {
return new CRLDistributionPoints((List<DistributionPoint>) in.content, in.getEncoded());
}
@Override public Collection<?> getValues(Object object) {
CRLDistributionPoints dps = (CRLDistributionPoints) object;
return dps.distributionPoints;
}
};
}