/**************************************************************************
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* derived from this software without specific prior written permission.*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
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/*
** $Id: WonkaInvocationHandler.java,v 1.1.1.1 2004/07/12 14:07:47 cvs Exp $
*/
package wonka.vm;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.UndeclaredThrowableException;
public final class WonkaInvocationHandler implements InvocationHandler {
protected WonkaInvocationHandler() {}
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable
{
Object result;
// TODO: suppose proxy is not a proxy, method is not an interface method
// or not from one of its interfaces ... what should we do?
try {
result = method.invoke(proxy, args);
}
catch (Error e) {
throw e;
}
catch (RuntimeException re) {
throw re;
}
catch (Throwable t) {
Class[] fwows = method.getExceptionTypes();
for (int i = 0; i < fwows.length; ++i) {
if (fwows[i].isInstance(t)) {
throw t;
}
}
throw new UndeclaredThrowableException(t);
}
return result;
}
}