aa.util
Class ObjectHandler

java.lang.Object
  aa.util.ObjectHandler

public class ObjectHandler

extends java.lang.Object

This class includes some useful functions to handle an object or objects.

History:

• February 19, 2004 - version 0.0.3
  • do minor modification.
• May 9, 2003 - version 0.0.2
  • modify internal comments.
• March 26, 2001 - version 0.0.1
  • create this file.

Version:

$Date: 2008/01/01 00:24:06 $ $Revision: 1.1 $

Author:

Myeong-Wuk Jang

Constructor Summary

ObjectHandler()

Method Summary

static java.lang.Object	deepCopy(java.lang.Object p_objOld) Makes a deep copy of the specified object.
static java.lang.Object[]	deepCopy(java.lang.Object[] p_objaOld) Makes a deep copy of the specified array of objects.
static java.lang.Object	deserialize(byte[] p_baStream) Deserialize a byte stream into an object.
static byte[]	serialize(java.io.Serializable p_serObj) Serializes an object into a byte stream.
static java.lang.String	toStringArgs(java.lang.Object[] p_objaArgs) Converts the specified array of objects into a string representation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectHandler

public ObjectHandler()

Method Detail

deepCopy

public static java.lang.Object deepCopy(java.lang.Object p_objOld)

Makes a deep copy of the specified object.
Reference: http://www.javaworld.com/javatips/jw-javatip76_p.html

Parameters:

p_objOld - an input object to be copied.

Returns:

a new object copied from the given object if the given object is not null;
null if the given object is null.

deepCopy

public static java.lang.Object[] deepCopy(java.lang.Object[] p_objaOld)

Makes a deep copy of the specified array of objects.

Parameters:

p_objaOld - an input array of objects to be copied.

Returns:

a new array of objects copied from the given objects if the given parameter is not null;
null if the given parameter is null.

serialize

public static byte[] serialize(java.io.Serializable p_serObj)
                        throws java.io.IOException

Serializes an object into a byte stream.

Parameters:

p_serObj - the input serializable object.

Returns:

a byte stream corresponding to the specified object.

Throws:

java.io.IOException - any of the usual iput/output exception.

deserialize

public static java.lang.Object deserialize(byte[] p_baStream)
                                    throws java.io.IOException,
                                           java.lang.ClassNotFoundException

Deserialize a byte stream into an object.

Parameters:

p_baStream - the input byte stream of an object of the class.

Returns:

an object corresponding to the specified byte stream.

Throws:

java.io.IOException - any of the usual iput/output exception.

java.lang.ClassNotFoundException - if class of a serialized object cannot be found.

toStringArgs

public static java.lang.String toStringArgs(java.lang.Object[] p_objaArgs)

Converts the specified array of objects into a string representation.

Parameters:

p_objaArgs - an object array to be handled.

Returns:

a string representaiton of the given object array.