content: /*
   * 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.controller.utilities;
  
  import javax.security.auth.callback.CallbackHandler;
  import javax.security.auth.login.LoginContext;
  import javax.security.auth.login.LoginException;
  
  import com.google.inject.Singleton;
  
  /**
   * LoginContextHelper is a helper class used for helping to use and manage {@link LoginContext} instances.
   */
  @Singleton
  public class LoginContextHelper {
  
    /**
     * Create a new {@link LoginContext}
     *
     * @param krb5ModuleEntryName the relevant com.sun.security.auth.module.Krb5LoginModule entry name
     * @param callbackHandler     a callback handler
     * @return a new {@link LoginContext}
     * @throws LoginException see {@link LoginContext#LoginContext(String, CallbackHandler)}
     */
    public LoginContext createLoginContext(String krb5ModuleEntryName, CallbackHandler callbackHandler)
        throws LoginException {
      return new LoginContext(krb5ModuleEntryName, callbackHandler);
    }
  
    /**
     * Create a new {@link LoginContext}
     *
     * @param krb5ModuleEntryName the relevant com.sun.security.auth.module.Krb5LoginModule entry name
     * @return a new {@link LoginContext}
     * @throws LoginException see {@link LoginContext#LoginContext(String, CallbackHandler)}
     */
    public LoginContext createLoginContext(String krb5ModuleEntryName) throws LoginException {
      return new LoginContext(krb5ModuleEntryName);
    }
  }
  