qdbm
Class Util

java.lang.Object
  |
  +--qdbm.Util

public class Util

extends java.lang.Object

Class of utility methods.

Method Summary

static java.lang.Object	deserialize(byte[] serial) Deserialize a serialized object.
static long	deserializeLong(byte[] serial) Deserialize a serialized long integer.
static byte[]	serialize(java.lang.Object obj) Serialize an object.
static byte[]	serializeLong(long num) Serialize a long integer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

deserialize

public static java.lang.Object deserialize(byte[] serial)

Deserialize a serialized object.

Parameters:

serial - a byte array of the serialized object.

Returns:

an original object or null if an error occurs.

deserializeLong

public static long deserializeLong(byte[] serial)
                            throws java.lang.IllegalArgumentException

Deserialize a serialized long integer.

Parameters:

serial - a byte array of a serialized long integer.

Returns:

the long value.

Throws:

java.lang.IllegalArgumentException - thrown if the size of the array is invalid.

serialize

public static byte[] serialize(java.lang.Object obj)

Serialize an object.

Parameters:

obj - a serializable object.

Returns:

a byte array of the serialized object or null if an error occurs.

serializeLong

public static byte[] serializeLong(long num)

Serialize a long integer.

Parameters:

num - a long integer.

Returns:

a byte array of the serialized long integer.