| /* |
| * Copyright (C) 2022 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.android.net.module.util.async; |
| |
| import android.os.ParcelFileDescriptor; |
| |
| import java.io.Closeable; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * Represents an file descriptor or another way to access a file. |
| * |
| * @hide |
| */ |
| public final class FileHandle { |
| private final ParcelFileDescriptor mFd; |
| private final Closeable mCloseable; |
| private final InputStream mInputStream; |
| private final OutputStream mOutputStream; |
| |
| public static FileHandle fromFileDescriptor(ParcelFileDescriptor fd) { |
| if (fd == null) { |
| throw new NullPointerException(); |
| } |
| return new FileHandle(fd, null, null, null); |
| } |
| |
| public static FileHandle fromBlockingStream( |
| Closeable closeable, InputStream is, OutputStream os) { |
| if (closeable == null || is == null || os == null) { |
| throw new NullPointerException(); |
| } |
| return new FileHandle(null, closeable, is, os); |
| } |
| |
| private FileHandle(ParcelFileDescriptor fd, Closeable closeable, |
| InputStream is, OutputStream os) { |
| mFd = fd; |
| mCloseable = closeable; |
| mInputStream = is; |
| mOutputStream = os; |
| } |
| |
| ParcelFileDescriptor getFileDescriptor() { |
| return mFd; |
| } |
| |
| Closeable getCloseable() { |
| return mCloseable; |
| } |
| |
| InputStream getInputStream() { |
| return mInputStream; |
| } |
| |
| OutputStream getOutputStream() { |
| return mOutputStream; |
| } |
| } |