java.security.cert.PolicyQualifierInfo Maven / Gradle / Ivy
/*
* 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 java.security.cert;
import java.io.IOException;
import org.apache.harmony.security.asn1.ObjectIdentifier;
import org.apache.harmony.security.utils.Array;
/**
* This class implements a policy qualifier as defined by the ASN.1
* {@code PolicyQualifierInfo} structure.
*/
public class PolicyQualifierInfo {
// This PolicyQualifierInfo DER encoding
private final byte[] encoded;
// This PolicyQualifierInfo policy qualifier id -
// OID represented as String containing non-negative integers
// separated by periods
private final String policyQualifierId;
// DER encoding of the policy qualifier - part of encoded
private final byte[] policyQualifier;
/**
* Creates a new {@code PolicyQualifierInfo} from the specified encoded
* form.
*
* @param encoded
* the DER encoded policy qualifier.
* @throws IOException
* the policy qualifier cannot be decoded.
*/
public PolicyQualifierInfo(byte[] encoded) throws IOException {
if (encoded == null) {
throw new NullPointerException("encoded == null");
}
if (encoded.length == 0) {
throw new IOException("encoded.length == 0");
}
this.encoded = new byte[encoded.length];
System.arraycopy(encoded, 0, this.encoded, 0, this.encoded.length);
// DER Decoding:
Object[] decoded = (Object[]) org.apache.harmony.security.x509.PolicyQualifierInfo.ASN1
.decode(this.encoded);
policyQualifierId = ObjectIdentifier.toString((int[]) decoded[0]);
policyQualifier = (byte[]) decoded[1];
}
/**
* Returns a ASN.1 DER encoded copy of policy qualifier info.
*
* @return a ASN.1 DER encoded copy of policy qualifier info.
*/
public final byte[] getEncoded() {
byte[] ret = new byte[encoded.length];
System.arraycopy(encoded, 0, ret, 0, encoded.length);
return ret;
}
/**
* Returns the identifier (an OID) of this policy qualifier info.
*
* @return the identifier of this policy qualifier info.
*/
public final String getPolicyQualifierId() {
return policyQualifierId;
}
/**
* Returns a ASN.1 DER encoded copy of the qualifier of this policy
* qualifier info.
*
* @return a ASN.1 DER encoded copy of the qualifier of this policy
* qualifier info.
*/
public final byte[] getPolicyQualifier() {
if (policyQualifier == null) {
return null;
}
byte[] ret = new byte[policyQualifier.length];
System.arraycopy(policyQualifier, 0, ret, 0, policyQualifier.length);
return ret;
}
/**
* Returns a string representation of this {@code PolicyQualifierInfo}
* instance.
*
* @return a string representation of this {@code PolicyQualifierInfo}
* instance.
*/
public String toString() {
StringBuilder sb =
new StringBuilder("PolicyQualifierInfo: [\npolicyQualifierId: ");
sb.append(policyQualifierId);
sb.append("\npolicyQualifier: \n");
sb.append(Array.toString(policyQualifier, " "));
sb.append("]");
return sb.toString();
}
}