| // Copyright (C) 2010 The Android Open Source Project |
| // |
| // 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 com.google.gerrit.common; |
| |
| import java.util.Collection; |
| |
| /** Utilities for manipulating Collections . */ |
| public class CollectionsUtil { |
| /** |
| * Checks if any of the elements in the first collection can be found in the |
| * second collection. |
| * |
| * @param findAnyOfThese which elements to look for. |
| * @param inThisCollection where to look for them. |
| * @param <E> type of the elements in question. |
| * @return {@code true} if any of the elements in {@code findAnyOfThese} can |
| * be found in {@code inThisCollection}, {@code false} otherwise. |
| */ |
| public static <E> boolean isAnyIncludedIn(Collection<E> findAnyOfThese, |
| Collection<E> inThisCollection) { |
| for (E findThisItem : findAnyOfThese) { |
| if (inThisCollection.contains(findThisItem)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private CollectionsUtil() { |
| } |
| } |