ReflectionUtil.java

/* Copyright 2013 Jonatan Jönsson
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package se.softhouse.common.testlib;

import java.lang.reflect.Field;
import java.lang.reflect.Member;
import java.lang.reflect.Modifier;

/**
 * Utility for working with reflection types such as {@link Member}.
 */
final class ReflectionUtil
{
	private ReflectionUtil()
	{

	}

	static boolean isStatic(Member member)
	{
		return (member.getModifiers() & Modifier.STATIC) == Modifier.STATIC;
	}

	static boolean hasInstanceFields(Class<?> input)
	{
		if(input == Object.class)
			return false;
		for(Field field : input.getDeclaredFields())
		{
			if(!isStatic(field))
				return true;
		}
		return hasInstanceFields(input.getSuperclass());
	}
}