/*
* 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 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 SubjectInfoAccessSyntax and AuthorityInfoAccessSyntax
* which are a part of X.509 framework
* (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):
*
* SubjectInfoAccessSyntax ::=
* SEQUENCE SIZE (1..MAX) OF AccessDescriptions
* AuthorityInfoAccessSyntax ::=
* SEQUENCE SIZE (1..MAX) OF AccessDescriptions
*
* AccessDescription ::= SEQUENCE {
* accessMethod OBJECT IDENTIFIER,
* accessLocation GeneralName }
*
*/
public final class InfoAccessSyntax extends ExtensionValue {
private final List<?> accessDescriptions;
private InfoAccessSyntax(List<?> accessDescriptions, byte[] encoding) throws IOException {
if (accessDescriptions == null || accessDescriptions.isEmpty()) {
throw new IOException("AccessDescriptions list is null or empty");
}
this.accessDescriptions = accessDescriptions;
this.encoding = encoding;
}
/**
* Returns ASN.1 encoded form of this X.509 InfoAccessSyntax.
*/
@Override public byte[] getEncoded() {
if (encoding == null) {
encoding = ASN1.encode(this);
}
return encoding;
}
public static InfoAccessSyntax decode(byte[] encoding) throws IOException {
return ((InfoAccessSyntax) ASN1.decode(encoding));
}
@Override public String toString() {
StringBuilder res = new StringBuilder();
res.append("\n---- InfoAccessSyntax:");
if (accessDescriptions != null) {
for (Object accessDescription : accessDescriptions) {
res.append('\n');
res.append(accessDescription);
}
}
res.append("\n---- InfoAccessSyntax END\n");
return res.toString();
}
@Override public void dumpValue(StringBuilder sb, String prefix) {
sb.append(prefix).append("AccessDescriptions:\n");
if (accessDescriptions == null || accessDescriptions.isEmpty()) {
sb.append("NULL\n");
} else {
for (Object accessDescription : accessDescriptions) {
sb.append(accessDescription.toString());
}
}
}
/**
* ASN.1 DER X.509 AuthorityInfoAccessSyntax and SubjectInfoAccessSyntax
* encoder/decoder class.
*/
public static final ASN1Type ASN1 = new ASN1SequenceOf(AccessDescription.ASN1) {
@Override public Object getDecodedObject(BerInputStream in) throws IOException {
return new InfoAccessSyntax((List<?>) in.content, in.getEncoded());
}
@Override public Collection getValues(Object object) {
return ((InfoAccessSyntax) object).accessDescriptions;
}
};
}