Method invoke

src/bsh/This.java:142–175

( Object proxy, Method method, Object[] args )

	class Handler implements InvocationHandler, java.io.Serializable 
	{
		public Object invoke( Object proxy, Method method, Object[] args ) 
			throws Throwable
		{
			try { 
				return invokeImpl( proxy, method, args );
			} catch ( TargetError te ) {
				// Unwrap target exception.  If the interface declares that 
				// it throws the ex it will be delivered.  If not it will be 
				// wrapped in an UndeclaredThrowable

				// This isn't simple because unwrapping this loses all context info.
				// So rewrap is better than unwrap.  - fschmidt
				Throwable t = te.getTarget();
				Class<? extends Throwable> c = t.getClass();
				String msg = t.getMessage();
				try {
					Throwable t2 = msg==null 
						? c.getConstructor().newInstance()
						: c.getConstructor(String.class).newInstance(msg)
					;
					t2.initCause(te);
					throw t2;
				} catch(NoSuchMethodException e) {
					throw t;
				}
			} catch ( EvalError ee ) {
				// Ease debugging...
				// XThis.this refers to the enclosing class instance
				if ( Interpreter.DEBUG ) 
					Interpreter.debug( "EvalError in scripted interface: "
					+ This.this.toString() + ": "+ ee );
				throw ee;
			}
		}

		public Object invokeImpl( Object proxy, Method method, Object[] args ) 
			throws EvalError