org.apache.hadoop.hbase.security.AuthMethod Maven / Gradle / Ivy
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* 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.hadoop.hbase.security;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.yetus.audience.InterfaceAudience;
/** Authentication method */
@InterfaceAudience.Private
public enum AuthMethod {
SIMPLE((byte) 80, "", UserGroupInformation.AuthenticationMethod.SIMPLE),
KERBEROS((byte) 81, "GSSAPI", UserGroupInformation.AuthenticationMethod.KERBEROS),
DIGEST((byte) 82, "DIGEST-MD5", UserGroupInformation.AuthenticationMethod.TOKEN);
/** The code for this method. */
public final byte code;
public final String mechanismName;
public final UserGroupInformation.AuthenticationMethod authenticationMethod;
AuthMethod(byte code, String mechanismName,
UserGroupInformation.AuthenticationMethod authMethod) {
this.code = code;
this.mechanismName = mechanismName;
this.authenticationMethod = authMethod;
}
private static final int FIRST_CODE = values()[0].code;
/** Return the object represented by the code. */
public static AuthMethod valueOf(byte code) {
final int i = (code & 0xff) - FIRST_CODE;
return i < 0 || i >= values().length ? null : values()[i];
}
/** Return the SASL mechanism name */
public String getMechanismName() {
return mechanismName;
}
/** Read from in */
public static AuthMethod read(DataInput in) throws IOException {
return valueOf(in.readByte());
}
/** Write to out */
public void write(DataOutput out) throws IOException {
out.write(code);
}
}