/*
* 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.apksig.internal.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* Utilities for byte arrays and I/O streams.
*/
public final class ByteStreams {
private ByteStreams() {}
/**
* Returns the data remaining in the provided input stream as a byte array
*/
public static byte[] toByteArray(InputStream in) throws IOException {
ByteArrayOutputStream result = new ByteArrayOutputStream();
byte[] buf = new byte[16384];
int chunkSize;
while ((chunkSize = in.read(buf)) != -1) {
result.write(buf, 0, chunkSize);
}
return result.toByteArray();
}
}