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ProcessPaymentBean.javaAPI DocExample4267Sat Dec 18 11:33:08 GMT 1999com.titan.processpayment

ProcessPaymentBean

public class ProcessPaymentBean extends Object implements javax.ejb.SessionBean

Fields Summary
public static final String
CASH
public static final String
CREDIT
public static final String
CHECK
public javax.ejb.SessionContext
context
Constructors Summary
Methods Summary
public booleanbyCash(Customer customer, double amount)

        return process(getCustomerID(customer),amount,
                       CASH,null,-1,-1,null);
public booleanbyCheck(Customer customer, Check check, double amount)

        int minCheckNumber = getMinCheckNumber();
        if (check.checkNumber > minCheckNumber){
            return process(getCustomerID(customer), amount, CHECK, 
                           check.checkBarCode,check.checkNumber,-1,null);
        }
        else {
           throw new PaymentException(
              "Check number is too low. Must be at least "+minCheckNumber);
        }
public booleanbyCredit(Customer customer, CreditCard card, double amount)

        if (card.expiration.before(new java.util.Date())){
             throw new PaymentException("Expiration date has passed");
        }
        else {
            return process(getCustomerID(customer), amount, CREDIT, null,
                           -1, card.number,
                           new java.sql.Date(card.expiration.getTime()));
        }
public voidejbActivate()

public voidejbCreate()

      
    
public voidejbPassivate()
public voidejbRemove()
private java.sql.ConnectiongetConnection()
        try{
            InitialContext jndiCntx = new InitialContext( );
            DataSource ds = (DataSource)
            jndiCntx.lookup("java:comp/env/jdbc/titanDB");
            return ds.getConnection( );
        }catch(NamingException ne){throw new EJBException(ne);}
    
private intgetCustomerID(Customer customer)
        try{
            return ((CustomerPK)customer.getPrimaryKey()).id;
        }catch(RemoteException re){
            throw new EJBException(re);
        }
    
private intgetMinCheckNumber()
         try{
            InitialContext jndiCntx = new InitialContext( );
            Integer value = (Integer)jndiCntx.lookup("java:comp/env/minCheckNumber");
            return value.intValue();
         }catch(NamingException ne){throw new EJBException(ne);}
    
private booleanprocess(long customerID, double amount, java.lang.String type, java.lang.String checkBarCode, int checkNumber, long creditNumber, java.sql.Date creditExpDate)

        Connection con = null;
        
        PreparedStatement ps = null;
        try {
            con = getConnection();
            ps = con.prepareStatement
                ("INSERT INTO payment (customer_id, amount, type,"+ 
                  "check_bar_code,check_number,credit_number,"+
                  "credit_exp_date) VALUES (?,?,?,?,?,?,?)");
            ps.setLong(1,customerID);
            ps.setDouble(2,amount);
            ps.setString(3,type);
            ps.setString(4,checkBarCode);
            ps.setInt(5,checkNumber);
            ps.setLong(6,creditNumber);
            ps.setDate(7,creditExpDate);
            int retVal = ps.executeUpdate();
            if (retVal!=1){
                throw new EJBException("Payment insert failed");
            }
            
            return true;
        } catch(SQLException sql){
             throw new EJBException(sql);
        } finally {
             try {
                 if (ps != null) ps.close();
                 if (con!= null) con.close();
             } catch(SQLException se){se.printStackTrace();}
        }
    
public voidsetSessionContext(javax.ejb.SessionContext ctx)
        context = ctx;