org.graylog2.shared.utilities.ByteBufferUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog2.shared.utilities;
import java.nio.ByteBuffer;
public abstract class ByteBufferUtils {
/**
* Read the given byte buffer into a byte array
*
* This will consume the given {@link ByteBuffer}.
*/
public static byte[] readBytes(ByteBuffer buffer) {
return readBytes(buffer, 0, buffer.remaining());
}
/**
* Read a byte array from the given offset and size in the buffer
*
* This will consume the given {@link ByteBuffer}.
*/
public static byte[] readBytes(ByteBuffer buffer, int offset, int size) {
final byte[] dest = new byte[size];
buffer.get(dest, offset, size);
return dest;
}
}