| /* |
| * Copyright 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 androidx.datastore.core |
| |
| import java.io.FileOutputStream |
| import java.io.OutputStream |
| |
| /** |
| * Wrapper on FileOutputStream to prevent closing the underlying OutputStream. |
| */ |
| internal class UncloseableOutputStream(val fileOutputStream: FileOutputStream) : OutputStream() { |
| |
| override fun write(b: Int) { |
| fileOutputStream.write(b) |
| } |
| |
| override fun write(b: ByteArray) { |
| fileOutputStream.write(b) |
| } |
| |
| override fun write(bytes: ByteArray, off: Int, len: Int) { |
| fileOutputStream.write(bytes, off, len) |
| } |
| |
| override fun close() { |
| // We will not close the underlying FileOutputStream until after we're done syncing |
| // the fd. This is useful for things like b/173037611. |
| } |
| |
| override fun flush() { |
| fileOutputStream.flush() |
| } |
| } |
