StringValueTransformer (Commons Collections 4.0-alpha1 API)

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org.apache.commons.collections4.functors
Class StringValueTransformer<T>

java.lang.Object
  org.apache.commons.collections4.functors.StringValueTransformer<T>

All Implemented Interfaces:: Serializable, Transformer<T,String>

public final class StringValueTransformer<T>
extends Object
implements Transformer<T,String>, Serializable
extends Object
implements Transformer<T,String>, Serializable

Transformer implementation that returns the result of calling String.valueOf on the input object.

Since:: 3.0
Version:: $Id: StringValueTransformer.java 1469004 2013-04-17 17:37:03Z tn $
See Also:: Serialized Form

Field Summary
`static Transformer<Object,String>`	`INSTANCE` Singleton predicate instance

Method Summary

static



<T> Transformer<T,String>

stringValueTransformer()
Factory returning the singleton instance.

String transform(T input)
Transforms the input to result by calling String.valueOf.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

INSTANCE

public static final Transformer<Object,String> INSTANCE

Singleton predicate instance

Method Detail

stringValueTransformer

public static <T> Transformer<T,String> stringValueTransformer()

Factory returning the singleton instance.

Type Parameters:: T - the input type
Returns:: the singleton instance
Since:: 3.1

transform

public String transform(T input)

Transforms the input to result by calling String.valueOf.

Specified by:: transform in interface Transformer<T,String>

Parameters:: input - the input object to transform
Returns:: the transformed result