org.kuali.rice.kns.uif.util
Class CloneUtils

java.lang.Object
  org.kuali.rice.kns.uif.util.CloneUtils

public class CloneUtils
extends Object

Utility class for copying objects using reflection. Modified from the jCommon library: http://www.matthicks.com/2008/05/fastest-deep-cloning.html

Author:

Matt Hicks, Kuali Rice Team (rice.collab@kuali.org)

Field Summary

private static Map<String,Field[]>	fieldCache
private static Map<String,Field>	internalFields
private static org.apache.log4j.Logger	LOG

Constructor Summary

CloneUtils()

Method Summary

static <O> O	deepClone(O original)
protected static Object	deepCloneList(Object original, Map<Object,Object> cache, boolean referenceCollectionCopy)
protected static Object	deepCloneMap(Object original, Map<Object,Object> cache, boolean referenceCollectionCopy)
protected static Object	deepCloneObject(Object original, Map<Object,Object> cache)
static <O> O	deepCloneReflection(O original)
protected static Object	deepCloneReflectionInternal(Object original, Map<Object,Object> cache, boolean referenceCollectionCopy)
protected static List<Class<?>>	getClassHierarchy(Class<?> c, boolean includeInterfaces)
static Field[]	getFields(Class<?> c, boolean includeStatic)
static Field[]	getFields(Class<?> c, boolean includeStatic, boolean includeTransient)
static Field[]	getFields(Object object, boolean includeStatic)
static Field[]	getFields(Object object, boolean includeStatic, boolean includeTransient)
protected static Object	instantiate(Object original)
protected static Field	internalField(Object object, String fieldName)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.apache.log4j.Logger LOG

fieldCache

private static final Map<String,Field[]> fieldCache

internalFields

private static final Map<String,Field> internalFields

Constructor Detail

CloneUtils

public CloneUtils()

Method Detail

deepClone

public static final <O> O deepClone(O original)
                         throws Exception

Throws:

Exception

deepCloneReflection

public static final <O> O deepCloneReflection(O original)
                                   throws Exception

Throws:

Exception

deepCloneReflectionInternal

protected static final Object deepCloneReflectionInternal(Object original,
                                                          Map<Object,Object> cache,
                                                          boolean referenceCollectionCopy)
                                                   throws Exception

Throws:

Exception

deepCloneObject

protected static Object deepCloneObject(Object original,
                                        Map<Object,Object> cache)
                                 throws Exception

Throws:

Exception

deepCloneMap

protected static Object deepCloneMap(Object original,
                                     Map<Object,Object> cache,
                                     boolean referenceCollectionCopy)
                              throws Exception

Throws:

Exception

deepCloneList

protected static Object deepCloneList(Object original,
                                      Map<Object,Object> cache,
                                      boolean referenceCollectionCopy)
                               throws Exception

Throws:

Exception

instantiate

protected static final Object instantiate(Object original)
                                   throws InstantiationException,
                                          IllegalAccessException

Throws:

InstantiationException

IllegalAccessException

getFields

public static Field[] getFields(Object object,
                                boolean includeStatic)

getFields

public static Field[] getFields(Object object,
                                boolean includeStatic,
                                boolean includeTransient)

getFields

public static Field[] getFields(Class<?> c,
                                boolean includeStatic)

getFields

public static Field[] getFields(Class<?> c,
                                boolean includeStatic,
                                boolean includeTransient)

internalField

protected static final Field internalField(Object object,
                                           String fieldName)

getClassHierarchy

protected static List<Class<?>> getClassHierarchy(Class<?> c,
                                                  boolean includeInterfaces)