org.opensaml.xml.security.x509.X509DigestCriteria Maven / Gradle / Ivy
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* Licensed to the University Corporation for Advanced Internet Development,
* Inc. (UCAID) under one or more contributor license agreements. See the
* NOTICE file distributed with this work for additional information regarding
* copyright ownership. The UCAID 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.opensaml.xml.security.x509;
import org.opensaml.xml.security.Criteria;
import org.opensaml.xml.util.DatatypeHelper;
/**
* An implementation of {@link Criteria} which specifies criteria based on
* the digest of an X.509 certificate.
*/
public final class X509DigestCriteria implements Criteria {
/** Digest algorithm. */
private String algorithm;
/** X.509 certificate digest. */
private byte[] x509digest;
/**
* Constructor.
*
* @param alg algorithm of digest computation
* @param digest certificate digest
*/
public X509DigestCriteria(String alg, byte[] digest) {
setAlgorithm(alg);
setDigest(digest);
}
/**
* Get the digest algorithm.
*
* @return the digest algorithm
*/
public String getAlgorithm() {
return algorithm;
}
/**
* Set the digest algorithm.
*
* @param alg the digest algorithm to set
*/
public void setAlgorithm(String alg) {
if (DatatypeHelper.isEmpty(alg)) {
throw new IllegalArgumentException("Digest algorithm criteria value cannot be null or empty");
}
algorithm = DatatypeHelper.safeTrimOrNullString(alg);
}
/**
* Get the certificate digest.
*
* @return the digest
*/
public byte[] getDigest() {
return x509digest;
}
/**
* Set the certificate digest.
*
* @param digest the certificate digest to set
*/
public void setDigest(byte[] digest) {
if (digest == null || digest.length == 0) {
throw new IllegalArgumentException("Certificate digest criteria value cannot be null or empty");
}
x509digest = digest;
}
}