org.apache.commons.collections.functors

## Class StringValueTransformer

- java.lang.Object
- - org.apache.commons.collections.functors.StringValueTransformer

- All Implemented Interfaces:
    Serializable, Transformer

      public final class StringValueTransformer
      extends Object
      implements Transformer, Serializable

  Transformer implementation that returns the result of calling `String.valueOf` on the input object.
  Since:
    Commons Collections 3.0
  Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
  Author:
    Stephen Colebourne
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static Transformer` | `INSTANCE` Singleton predicate instance

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static Transformer` | `getInstance()` Factory returning the singleton instance.
    `Object` | `transform(Object 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 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 Object transform(Object input)

      Transforms the input to result by calling `String.valueOf`.
      Specified by:
        `transform` in interface `Transformer`
      Parameters:
        `input` - the input object to transform
      Returns:
        the transformed result

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