io.undertow.security.idm.DigestAlgorithm Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.security.idm;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Enumeration of the supported digest algorithms.
*
* @author Darran Lofthouse
*/
public enum DigestAlgorithm {
MD5("MD5", "MD5", false), MD5_SESS("MD5-sess", "MD5", true);
private static final Map BY_TOKEN;
static {
DigestAlgorithm[] algorithms = DigestAlgorithm.values();
Map byToken = new HashMap<>(algorithms.length);
for (DigestAlgorithm current : algorithms) {
byToken.put(current.token, current);
}
BY_TOKEN = Collections.unmodifiableMap(byToken);
}
private final String token;
private final String digestAlgorithm;
private final boolean session;
DigestAlgorithm(final String token, final String digestAlgorithm, final boolean session) {
this.token = token;
this.digestAlgorithm = digestAlgorithm;
this.session = session;
}
public String getToken() {
return token;
}
public String getAlgorithm() {
return digestAlgorithm;
}
public boolean isSession() {
return session;
}
public MessageDigest getMessageDigest() throws NoSuchAlgorithmException {
return MessageDigest.getInstance(digestAlgorithm);
}
public static DigestAlgorithm forName(final String name) {
return BY_TOKEN.get(name);
}
}