import java.sql.*;

class SQLServerDatabase {
	private String uri;
	private String user;
	private String password;
	private Connection conn;

	public SQLServerDatabase(String uri, String user, String password) {
		this.uri = uri;
		this.user = user;
		this.password = password;
	}

	public static void main(String[] args) {
		System.out.println("This is a main, hallo");
	}

	public boolean connectSQL() {
		String driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver";

	    // load driver //classpaths... new... add jar
	    try{
	        Class.forName( driver );
	    }
	    catch(ClassNotFoundException cnfe){
	        return false;
	    }

	    // connect to the DB
	    try{
	        this.conn = DriverManager.getConnection( this.uri, this.user, this.password );
	        return true;
	    }
	    catch (SQLException sqle){
	        return false;
	    }
	}

	public boolean disconnectSQL() {
		// close the DB
      	try {
         	if (this.conn != null) {
            	this.conn.close();
         	}
        return true;
      	}
      	catch(SQLException sqle) {
         	return false;
      }
	}
}

class Main {
  public static void main(String[] args) {
    //String uri = "jdbc:sqlserver://theodore.ist.rit.edu;databaseName=Jobs";

    String uri = args[0];
    String user = args[1];
    String password = args[2];

    SQLServerDatabase database = new SQLServerDatabase(uri, user, password);
    boolean isConn = database.connectSQL();

    if (isConn) {
    	System.out.println("Connected to SQL database");
    }
    else {
    	System.out.println("Unable to connect to SQL database");
    }

    boolean isDisconn = database.disconnectSQL();

    if (isDisconn) {
    	System.out.println("Disconnected from SQL database");
    }
    else {
    	System.out.println("Unable to disconnect from SQL database");
    }
  }
}