/*
* 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.ArrayList;
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 Certificate Policies structure which is a 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>
* certificatePolicies ::= SEQUENCE SIZE (1..MAX) OF PolicyInformation
* </pre>
*/
public final class CertificatePolicies extends ExtensionValue {
/** the values of policyInformation field of the structure */
private List<PolicyInformation> policyInformations;
/** the ASN.1 encoded form of CertificatePolicies */
private byte[] encoding;
/**
* Constructs an object representing the value of CertificatePolicies.
*/
public CertificatePolicies() {}
public static CertificatePolicies decode(byte[] encoding) throws IOException {
CertificatePolicies cps = ((CertificatePolicies) ASN1.decode(encoding));
cps.encoding = encoding;
return cps;
}
private CertificatePolicies(List<PolicyInformation> policyInformations, byte[] encoding) {
this.policyInformations = policyInformations;
this.encoding = encoding;
}
/**
* Returns the values of policyInformation field of the structure.
*/
public List<PolicyInformation> getPolicyInformations() {
return new ArrayList<PolicyInformation>(policyInformations);
}
public CertificatePolicies addPolicyInformation(PolicyInformation policyInformation) {
encoding = null;
if (policyInformations == null) {
policyInformations = new ArrayList<PolicyInformation>();
}
policyInformations.add(policyInformation);
return this;
}
/**
* Returns ASN.1 encoded form of this X.509 CertificatePolicies value.
*/
@Override public byte[] getEncoded() {
if (encoding == null) {
encoding = ASN1.encode(this);
}
return encoding;
}
@Override public void dumpValue(StringBuilder sb, String prefix) {
sb.append(prefix).append("CertificatePolicies [\n");
for (PolicyInformation policyInformation : policyInformations) {
sb.append(prefix);
sb.append(" ");
policyInformation.dumpValue(sb);
sb.append('\n');
}
sb.append(prefix).append("]\n");
}
/**
* ASN.1 DER X.509 CertificatePolicies encoder/decoder class.
*/
public static final ASN1Type ASN1 = new ASN1SequenceOf(PolicyInformation.ASN1) {
@Override public Object getDecodedObject(BerInputStream in) {
return new CertificatePolicies((List<PolicyInformation>) in.content, in.getEncoded());
}
@Override public Collection getValues(Object object) {
CertificatePolicies cps = (CertificatePolicies) object;
return cps.policyInformations;
}
};
}