de.alpharogroup.diff.object

Class DiffObjectExtensions

java.lang.Object

de.alpharogroup.diff.object.DiffObjectExtensions

public class DiffObjectExtensions
extends Object

The class DiffObjectExtensions can find changed data from objects in other words the difference of them.

Constructor Summary

Constructors

Constructor and Description
DiffObjectExtensions()

Method Summary

Modifier and Type	Method and Description
static List<ChangedAttributeResult>	getChangedData(Object sourceOjbect, Object objectToCompare) Gets the changed data in a list.
static Map<Object,ChangedAttributeResult>	getChangedDataMap(Object sourceOjbect, Object objectToCompare) Compares the given two objects and gets the changed data.
static List<ChangedAttributeResult>	getChangedDataWithReflection(Object sourceOjbect, Object objectToCompare, List<ChangedAttributeResult> changedData, ChangedAttributeResult parent) Gets the changed data recursively in a list from the given source object and the object to compare.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiffObjectExtensions

public DiffObjectExtensions()

Method Detail

getChangedDataMap

public static Map<Object,ChangedAttributeResult> 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 - Thrown if this method or object is enforcing java language access control and the underlying method or object is inaccessible.

InvocationTargetException - Thrown if the property accessor method throws an exception

NoSuchMethodException - Thrown if this Method object is enforcing Java language access control and the underlying method is inaccessible.

getChangedData

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

Gets the changed data in a list.

Parameters:

sourceOjbect - the source ojbect

objectToCompare - the object to compare

Returns:

the changed data

Throws:

IllegalAccessException - Thrown if this method or object is enforcing java language access control and the underlying method or object is inaccessible.

InvocationTargetException - Thrown if the property accessor method throws an exception

NoSuchMethodException - Thrown if this Method object is enforcing Java language access control and the underlying method is inaccessible.

getChangedDataWithReflection

public static List<ChangedAttributeResult> getChangedDataWithReflection(Object sourceOjbect,
                                                                        Object objectToCompare,
                                                                        List<ChangedAttributeResult> changedData,
                                                                        ChangedAttributeResult parent)
                                                                 throws IllegalArgumentException,
                                                                        IllegalAccessException

Gets the changed data recursively in a list from the given source object and the object to compare.

Parameters:

sourceOjbect - the source ojbect

objectToCompare - the object to compare

changedData - the changed data in a list. This can be initially null, the list will be than created.

parent - the parent of the changed data. This is initially null.

Returns:

the list with the changed data

Throws:

IllegalArgumentException - Thrown if an illegal argument is given

IllegalAccessException - Thrown if this method or object is enforcing java language access control and the underlying method or object is inaccessible.