org.apache.commons.collections.functors

Class CloneTransformer

java.lang.Object

org.apache.commons.collections.functors.CloneTransformer

All Implemented Interfaces:

java.io.Serializable, Transformer

public class CloneTransformer
extends java.lang.Object
implements Transformer, java.io.Serializable

Transformer implementation that returns a clone of the input object.

Clone is performed using PrototypeFactory.getInstance(input).create().

WARNING: from v3.2.2 onwards this class will throw an UnsupportedOperationException when trying to serialize or de-serialize an instance to prevent potential remote code execution exploits.

In order to re-enable serialization support for CloneTransformer the following system property can be used (via -Dproperty=true):

 org.apache.commons.collections.enableUnsafeSerialization
 

Since:

Commons Collections 3.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Transformer	INSTANCE Singleton predicate instance

Method Summary

Modifier and Type	Method and Description
static Transformer	getInstance() Factory returning the singleton instance.
java.lang.Object	transform(java.lang.Object input) Transforms the input to result by cloning it.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final Transformer INSTANCE

Singleton predicate instance

Method Detail

getInstance

public static Transformer getInstance()

Factory returning the singleton instance.

Returns:

the singleton instance

Since:

Commons Collections 3.1

transform

public java.lang.Object transform(java.lang.Object input)

Transforms the input to result by cloning it.

Specified by:

transform in interface Transformer

Parameters:

input - the input object to transform

Returns:

the transformed result