/*
* 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.ambari.server.serveraction.kerberos;
import com.google.inject.Inject;
import com.google.inject.Injector;
import com.google.inject.Singleton;
/**
* KerberosOperationHandlerFactory gets relevant KerberosOperationHandlers given a KDCType.
*/
@Singleton
public class KerberosOperationHandlerFactory {
@Inject
private Injector injector;
/**
* Gets the relevant KerberosOperationHandler for some KDCType.
* <p/>
* If no KDCType is specified, {@link org.apache.ambari.server.serveraction.kerberos.KDCType#MIT_KDC}
* will be assumed.
*
* @param kdcType the relevant KDCType
* @return a KerberosOperationHandler
* @throws java.lang.IllegalArgumentException if kdcType is null or the KDCType is an unexpected value
*/
public KerberosOperationHandler getKerberosOperationHandler(KDCType kdcType) {
if (kdcType == null) {
throw new IllegalArgumentException("kdcType may not be null");
}
switch (kdcType) {
case MIT_KDC:
return injector.getInstance(MITKerberosOperationHandler.class);
case ACTIVE_DIRECTORY:
return injector.getInstance(ADKerberosOperationHandler.class);
case IPA:
return injector.getInstance(IPAKerberosOperationHandler.class);
default:
throw new IllegalArgumentException(String.format("Unexpected kdcType value: %s", kdcType.name()));
}
}
}