net.sf.jasperreports.engine.util

Class JRCloneUtils

java.lang.Object

net.sf.jasperreports.engine.util.JRCloneUtils

public final class JRCloneUtils
extends Object

Cloning related utility methods.

Version:

$Id: JRCloneUtils.java 4595 2011-09-08 15:55:10Z teodord $

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Method Summary

Methods

Modifier and Type	Method and Description
static <T extends JRCloneable> T[]	cloneArray(T[] items) Clones a list of objects.
static <T extends JRCloneable> List<T>	cloneList(List<T> items) Clones a list of objects.
static <T extends JRCloneable> T	nullSafeClone(T original) Clones an object after checking whether the argument is null.

Methods inherited from class java.lang.Object

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

Method Detail

nullSafeClone

public static <T extends JRCloneable> T nullSafeClone(T original)

Clones an object after checking whether the argument is null.

Parameters:

original - the object to be cloned

Returns:

a clone of the argument, or null if the argument was null

cloneList

public static <T extends JRCloneable> List<T> cloneList(List<T> items)

Clones a list of objects. The list elements are assumed to implement JRCloneable.

Parameters:

items - the list to clone

Returns:

a new list which contains clones of the elements in the original list

cloneArray

public static <T extends JRCloneable> T[] cloneArray(T[] items)

Clones a list of objects. The list elements are assumed to implement JRCloneable.

Parameters:

items - the list to clone

Returns:

a new list which contains clones of the elements in the original list