/* * Copyright 2004-2005 Sun Microsystems, Inc.  All rights reserved. * Use is subject to license terms. */package samples.ejb.subclassing.ejb;import javax.ejb.*;import javax.naming.*;import java.sql.*;import javax.sql.DataSource;public class CustomerCheckingEJB extends CustomerEJB{  public String ejbFindByPrimaryKey(String SSN) throws FinderException  {    System.out.println("In ejbFindbyPrimaryKey method");    try {    Connection conn = null;    conn = dataSource.getConnection();    System.out.println("Got connection. Conn = " + conn);    Statement statement = conn.createStatement();    String query = "SELECT * FROM customer2 where SSN = '" + SSN + "'";    ResultSet results = statement.executeQuery(query);    conn.close();    if (results.next())    {      return SSN;    } else {      System.out.println("ERROR!! No entry matching the entered Social Security Number!");      return "";    }    } catch (SQLException e) {      System.out.println("SQLException occured in ejbFindbyPrimaryKey method.");      return "";    }  }  public String ejbCreate(String SSN, String lastName, String firstName, String address1, String address2, String city, String state, String zipCode)  {    System.out.println("In ejbCreate method");    System.out.println("Params = " + SSN + ":" + lastName + ":" + firstName + ":" + address1 + ":" + address2 + ":" + city + ":" + state + ":" + zipCode);    this.SSN = SSN;    this.lastName = lastName;    this.firstName = firstName;    this.address1 = address1;    this.address2 = address2;    this.city = city;    this.state = state;    this.zipCode = zipCode;    try {    Connection conn = null;      conn = dataSource.getConnection();      PreparedStatement statement = null;      statement = conn.prepareStatement(        "INSERT INTO customer2 " +        "values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?) "      );      statement.setString(1, SSN);      statement.setString(2, lastName);      statement.setString(3, firstName);      statement.setString(4, address1);      statement.setString(5, address2);      statement.setString(6, city);      statement.setString(7, state);      statement.setString(8, zipCode);      statement.setLong(9, 0);      statement.setLong(10, 0);      statement.executeUpdate();      conn.close();      } catch (SQLException e) {        System.out.println("SQL exception occured in ejbCreate method");        e.printStackTrace();        return SSN;      }    return SSN;  }  public void ejbPostCreate(String SSN, String lastName, String firstName, String address1, String address2, String city, String state, String zipCode)  {    return;  }}