de.alpharogroup.io

Class SerializedObjectUtils

java.lang.Object

de.alpharogroup.io.SerializedObjectUtils

public final class SerializedObjectUtils
extends Object

Helper-class for make exact copys from serialized objects.

Version:

1.0

Author:

Asterios Raptis

Field Summary

Fields

Modifier and Type	Field and Description
protected static Logger	LOGGER The LOGGER.

Method Summary

Modifier and Type	Method and Description
static <T extends Serializable> T	copySerializedObject(T orig) Copys the given Object and returns the copy from the object or null if the object can't be serialized.
static List<SerializedChangedAttributeResult>	getChangedData(Object sourceOjbect, Object objectToCompare) Gets the changed data.
static Map<Object,SerializedChangedAttributeResult>	getChangedDataMap(Object sourceOjbect, Object objectToCompare) Compares the given two objects and gets the changed data.
static Object	readSerializedObjectFromFile(File file) Reads the object from the given file.
static <T> byte[]	toByteArray(T object) The Method toByteArray() serialize an Object to byte array.
static Object	toObject(byte[] byteArray) The Method toObject() converts the given byte array into an Object.
static boolean	writeSerializedObjectToFile(Object obj, File file) Writes the given object to the given File.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final Logger LOGGER

The LOGGER.

Method Detail

copySerializedObject

public static <T extends Serializable> T copySerializedObject(T orig)
                                                       throws IOException,
                                                              ClassNotFoundException

Copys the given Object and returns the copy from the object or null if the object can't be serialized.

Type Parameters:

T - the generic type of the given object

Parameters:

orig - The object to copy.

Returns:

Returns a copy from the original object.

Throws:

IOException - Signals that an I/O exception has occurred.

ClassNotFoundException - is thrown when a class is not found in the classloader or no definition for the class with the specified name could be found.

getChangedData

public static List<SerializedChangedAttributeResult> getChangedData(Object sourceOjbect,
                                                                    Object objectToCompare)
                                                             throws IllegalAccessException,
                                                                    InvocationTargetException,
                                                                    NoSuchMethodException

Gets the changed data.

Parameters:

sourceOjbect - the source ojbect

objectToCompare - the object to compare

Returns:

the changed data

Throws:

IllegalAccessException - the illegal access exception

InvocationTargetException - the invocation target exception

NoSuchMethodException - the no such method exception

getChangedDataMap

public static Map<Object,SerializedChangedAttributeResult> getChangedDataMap(Object sourceOjbect,
                                                                             Object objectToCompare)
                                                                      throws IllegalAccessException,
                                                                             InvocationTargetException,
                                                                             NoSuchMethodException

Compares the given two objects and gets the changed data.

Parameters:

sourceOjbect - the source ojbect

objectToCompare - the object to compare

Returns:

the changed data

Throws:

IllegalAccessException - the illegal access exception

InvocationTargetException - the invocation target exception

NoSuchMethodException - the no such method exception

readSerializedObjectFromFile

public static Object readSerializedObjectFromFile(File file)
                                           throws IOException,
                                                  ClassNotFoundException

Reads the object from the given file.

Parameters:

file - In that file is the object saved.

Returns:

The object in the file or null.

Throws:

IOException - Signals that an I/O exception has occurred.

ClassNotFoundException - is thrown when a class is not found in the classloader or no definition for the class with the specified name could be found.

toByteArray

public static <T> byte[] toByteArray(T object)
                              throws IOException

The Method toByteArray() serialize an Object to byte array.

Type Parameters:

T - the generic type of the given object

Parameters:

object - The Object to convert into a byte array.

Returns:

The byte array from the Object.

Throws:

IOException - Signals that an I/O exception has occurred.

toObject

public static Object toObject(byte[] byteArray)
                       throws IOException,
                              ClassNotFoundException

The Method toObject() converts the given byte array into an Object.

Parameters:

byteArray - The byte array to convert into an Object.

Returns:

The Object the was converted from the byte array.

Throws:

IOException - Signals that an I/O exception has occurred.

ClassNotFoundException - is thrown when a class is not found in the classloader or no definition for the class with the specified name could be found.

writeSerializedObjectToFile

public static boolean writeSerializedObjectToFile(Object obj,
                                                  File file)
                                           throws IOException

Writes the given object to the given File.

Parameters:

obj - The object to write to the File.

file - In this file will be the object saved.

Returns:

true if the object was written to the file otherwise false.

Throws:

IOException - Signals that an I/O exception has occurred.