| // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
| // This source code is licensed under both the GPLv2 (found in the |
| // COPYING file in the root directory) and Apache 2.0 License |
| // (found in the LICENSE.Apache file in the root directory). |
| |
| package org.rocksdb; |
| |
| /** |
| * Simple type conversion methods |
| * for use in tests |
| */ |
| public class Types { |
| |
| /** |
| * Convert first 4 bytes of a byte array to an int |
| * |
| * @param data The byte array |
| * |
| * @return An integer |
| */ |
| public static int byteToInt(final byte data[]) { |
| return (data[0] & 0xff) | |
| ((data[1] & 0xff) << 8) | |
| ((data[2] & 0xff) << 16) | |
| ((data[3] & 0xff) << 24); |
| } |
| |
| /** |
| * Convert an int to 4 bytes |
| * |
| * @param v The int |
| * |
| * @return A byte array containing 4 bytes |
| */ |
| public static byte[] intToByte(final int v) { |
| return new byte[] { |
| (byte)((v >>> 0) & 0xff), |
| (byte)((v >>> 8) & 0xff), |
| (byte)((v >>> 16) & 0xff), |
| (byte)((v >>> 24) & 0xff) |
| }; |
| } |
| } |