| /* |
| * Copyright 2012-present Facebook, Inc. |
| * |
| * 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.facebook.buck.util; |
| |
| import com.google.common.base.Optional; |
| import com.google.common.collect.ImmutableCollection; |
| import com.google.common.collect.ImmutableMap; |
| |
| public class Optionals { |
| public static <T> void addIfPresent(Optional<T> optional, |
| ImmutableCollection.Builder<T> collection) { |
| if (optional.isPresent()) { |
| collection.add(optional.get()); |
| } |
| } |
| |
| public static <K, T> void putIfPresent(Optional<T> optional, |
| K key, |
| ImmutableMap.Builder<K, T> collection) { |
| if (optional.isPresent()) { |
| collection.put(key, optional.get()); |
| } |
| } |
| } |