MoneyFactory.
- By Mathias Richter and Takashi Suezawa
- July 18, 2000
Power Java
Dynamic Proxy Classes:
Toward Metalevel Programming in Java
Mathias Richter and Takashi Suezawa
Listing 4. MoneyFactory.
public class MoneyFactory
{
public static IMoney newMoney(String currency, double amount)
{
IMoney result = null;
try
{
MoneyInvocationHandler handler = null;
Money primary = new Money( currency, amount );
handler = new MoneyInvocationHandler (primary);
result = (IMoney) Proxy.newProxyInstance(primary.getClass().getClassLoader(),
new Class[] { IMoney.class }, handler);
} catch(Exception e)
{
System.out.println( e.getMessage() );
} finally
{
return result;
}
}
}