/*
* 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 $Revision$
*/
/*
* Imported by CG 20090321 based on Apache Harmony ("enhanced") revision 490473.
*/
package org.apache.harmony.security.x509;
import java.io.IOException;
import org.apache.harmony.security.asn1.ASN1Explicit;
import org.apache.harmony.security.asn1.ASN1Implicit;
import org.apache.harmony.security.asn1.ASN1Sequence;
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 DistributionPoint structure which is the part of X.509 CRL
* (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* superseded (4),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 class DistributionPoint {
private final DistributionPointName distributionPoint;
private final ReasonFlags reasons;
private final GeneralNames cRLIssuer;
public DistributionPoint() {
distributionPoint = null;
reasons = null;
cRLIssuer = null;
}
public DistributionPoint(DistributionPointName distributionPoint,
ReasonFlags reasons, GeneralNames cRLIssuer) {
if ((reasons != null) && (distributionPoint == null)
&& (cRLIssuer == null)) {
throw new IllegalArgumentException(
"DistributionPoint MUST NOT consist of only the reasons field");
}
this.distributionPoint = distributionPoint;
this.reasons = reasons;
this.cRLIssuer = cRLIssuer;
}
/**
* Places the string representation of extension value
* into the StringBuffer object.
*/
public void dumpValue(StringBuffer buffer, String prefix) {
buffer.append(prefix);
buffer.append("Distribution Point: [\n"); //$NON-NLS-1$
if (distributionPoint != null) {
distributionPoint.dumpValue(buffer, prefix + " "); //$NON-NLS-1$
}
if (reasons != null) {
reasons.dumpValue(buffer, prefix + " "); //$NON-NLS-1$
}
if (cRLIssuer != null) {
buffer.append(prefix);
buffer.append(" CRL Issuer: [\n"); //$NON-NLS-1$
cRLIssuer.dumpValue(buffer, prefix + " "); //$NON-NLS-1$
buffer.append(prefix);
buffer.append(" ]\n"); //$NON-NLS-1$
}
buffer.append(prefix);
buffer.append("]\n"); //$NON-NLS-1$
}
/**
* Custom X.509 decoder.
*/
public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] {
new ASN1Explicit(0, DistributionPointName.ASN1),
new ASN1Implicit(1, ReasonFlags.ASN1),
new ASN1Implicit(2, GeneralNames.ASN1)
}) {
{
setOptional(0);
setOptional(1);
setOptional(2);
}
protected Object getDecodedObject(BerInputStream in) throws IOException {
Object[] values = (Object[]) in.content;
return new DistributionPoint((DistributionPointName) values[0],
(ReasonFlags) values[1], (GeneralNames) values[2]);
}
protected void getValues(Object object, Object[] values) {
DistributionPoint dp = (DistributionPoint) object;
values[0] = dp.distributionPoint;
values[1] = dp.reasons;
values[2] = dp.cRLIssuer;
}
};
}