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 com.aliyun.odps.account;
  
  /**
   * This class is for keeping track of the behaviors of a certain application.
   *
   * @author Jon (wangzhong.zw@alibaba-inc.com)
   */
  public class AppAccount implements Account {
      private Account appAccount;
      private AppRequestSigner signer;
  
      public AppAccount(Account account) {
          if (account == null) {
              throw new IllegalArgumentException("Account cannot be null");
          }
  
          switch (account.getType()) {
              case ALIYUN:
                  this.appAccount = account;
                  this.signer = new AppRequestSigner((AliyunAccount) account);
                  break;
              default:
                  throw new IllegalArgumentException("Unsupported account provider for application account.");
          }
      }
  
      @Override
      public AccountProvider getType() {
          return appAccount.getType();
      }
  
      @Override
      public AppRequestSigner getRequestSigner() {
          return signer;
      }
  }
  