## org.apache.commons.math.util
Class DefaultTransformer

    java.lang.Object
      org.apache.commons.math.util.DefaultTransformer

All Implemented Interfaces:
  java.io.Serializable, NumberTransformer

    public class DefaultTransformer

extends java.lang.Object
implements NumberTransformer, java.io.Serializable

A Default NumberTransformer for java.lang.Numbers and Numeric Strings. This provides some simple conversion capabilities to turn any java.lang.Number into a primitive double or to turn a String representation of a Number into a double.

Version:
  $Revision: 811685 $ $Date: 2009-09-05 13:36:48 -0400 (Sat, 05 Sep 2009) $
See Also:
  Serialized Form

Field Summary
`private static long` `serialVersionUID` Serializable version identifier

Constructor Summary
`DefaultTransformer()`

Method Summary
`boolean` `equals(java.lang.Object other)`
`int` `hashCode()`
`double` `transform(java.lang.Object o)` Implementing this interface provides a facility to transform from Object to Double.

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

Field Detail

### serialVersionUID

    private static final long serialVersionUID

  Serializable version identifier

  See Also:
    Constant Field Values

Constructor Detail

### DefaultTransformer

    public DefaultTransformer()

Method Detail

### transform

    public double transform(java.lang.Object o)
                     throws MathException

  Description copied from interface: `NumberTransformer`
  Implementing this interface provides a facility to transform from Object to Double.

  Specified by:
    `transform` in interface `NumberTransformer`
  Parameters:
    `o` - the object that gets transformed.
  Returns:
    a double primitive representation of the Object o.
  Throws:
    `MathException` - If it cannot successfully be transformed or is null.
  See Also:

### equals

    public boolean equals(java.lang.Object other)

  Overrides:
    `equals` in class `java.lang.Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `java.lang.Object`

Copyright (c) 2003-2011 Apache Software Foundation