50 lines
1.4 KiB
Java
50 lines
1.4 KiB
Java
|
/*
|
||
|
|
* Copyright (C) 2017 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.internal.os;
|
||
|
|
|
||
|
|
import java.io.ByteArrayOutputStream;
|
||
|
|
import java.io.IOException;
|
||
|
|
import java.io.OutputStream;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper class to get byte data through a pipe from a client app. Also {@see TransferPipe}.
|
||
|
|
*/
|
||
|
|
public class ByteTransferPipe extends TransferPipe {
|
||
|
|
static final String TAG = "ByteTransferPipe";
|
||
|
|
|
||
|
|
private ByteArrayOutputStream mOutputStream;
|
||
|
|
|
||
|
|
public ByteTransferPipe() throws IOException {
|
||
|
|
super();
|
||
|
|
}
|
||
|
|
|
||
|
|
public ByteTransferPipe(String bufferPrefix) throws IOException {
|
||
|
|
super(bufferPrefix, "ByteTransferPipe");
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
protected OutputStream getNewOutputStream() {
|
||
|
|
mOutputStream = new ByteArrayOutputStream();
|
||
|
|
return mOutputStream;
|
||
|
|
}
|
||
|
|
|
||
|
|
public byte[] get() throws IOException {
|
||
|
|
go(null);
|
||
|
|
return mOutputStream.toByteArray();
|
||
|
|
}
|
||
|
|
}
|