1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ondevicepersonalization.libraries.plugin.internal; 18 19 import java.io.Closeable; 20 import java.io.IOException; 21 import java.util.List; 22 23 /** 24 * List of closeable elements, that can be opened in try-with-resources. 25 * 26 * @param <E> A type that implements {@link Closeable} 27 */ 28 public class CloseableList<E extends Closeable> implements Closeable { 29 private final List<E> mCloseables; 30 CloseableList(List<E> fileList)31 public CloseableList(List<E> fileList) { 32 this.mCloseables = fileList; 33 } 34 35 /** Returns the closeable elements. */ closeables()36 public List<E> closeables() { 37 return mCloseables; 38 } 39 40 @Override close()41 public void close() throws IOException { 42 for (E closeable : mCloseables) { 43 closeable.close(); 44 } 45 } 46 } 47