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;
  
  import java.sql.Connection;
  import java.sql.DriverManager;
  
  public class DBConnectionVerification {
    public static void main(String[] args) throws Exception {
      String url = args[0];
      String username = args[1];
      String password = args[2];
      String driver = args[3];
   
      Connection conn = null;
      try {
         Class.forName(driver);
         if(url.contains("integratedSecurity=true")) {
           conn = DriverManager.getConnection(url);
         } else {
           conn = DriverManager.getConnection(url, username, password);
         }
         System.out.println("Connected to DB Successfully!");
      } catch (Throwable e) {
         System.out.println("ERROR: Unable to connect to the DB. Please check DB connection properties.");
         System.out.println(e);
         System.exit(1);
      } finally {
         conn.close();
      }
    }
  }
  