/* * Copyright (C) 2015 Arles. All rights reserved. * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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 com.arles.swissmanager.utils; import java.util.Collection; /** * This class contains methods that validate passed data structure from Java collection class. * Created by Admin on 27.07.2015. */ public class CollectionValidator { public static void validateOnNull(Collection collection) { if (collection == null) { throw new IllegalArgumentException("The collection cannot be null"); } } public static boolean isEmpty(Collection collection) { return (collection.size() == 0) ? true : false; } }