[Java]Javaでrefrection

忘れないようにメモ.

	public static Object invoke(final Object target, final String methodName, final Object... params) throws Exception {

		List<Class<?>> parameterTypes = new ArrayList<Class<?>>();
		for (Object o : params) {
			parameterTypes.add(o.getClass());
		}

		Class<?> targetClass = target.getClass();

		Method method = targetClass.getMethod(methodName, parameterTypes
				.toArray((new Class<?>[] {})));

		return method.invoke(target, params);

	}

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