IsEmpty.java

/*
 * Copyright 2013, 2014, 2015 EnergyOS.org
 *
 *    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 org.energyos.espi.common.test;

import java.util.List;

import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
@SuppressWarnings("rawtypes")
// TODO: figure out how to best remove the above @Suppress
public class IsEmpty extends TypeSafeMatcher<List> {

	@Override
	public boolean matchesSafely(List list) {
		return list.isEmpty();
	}

	public void describeTo(Description description) {
		description.appendText("empty list");
	}

	@Factory
	public static <T> Matcher<List> isEmpty() {
		return new IsEmpty();
	}

}