// 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)

};

}

}