org.apache.commons.collections.functors
Class InstantiateTransformer
java.lang.Object
|
+--org.apache.commons.collections.functors.InstantiateTransformer
- All Implemented Interfaces:
- Serializable, Transformer
- public class InstantiateTransformer
- extends Object
- implements Transformer, Serializable
Transformer implementation that creates a new object instance by reflection.
- Since:
- Commons Collections 3.0
- Version:
- $Revision: 1.4 $ $Date: 2004/01/14 21:43:09 $
- Author:
- Stephen Colebourne
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
NO_ARG_INSTANCE
public static final Transformer NO_ARG_INSTANCE
- Singleton instance that uses the no arg constructor
InstantiateTransformer
public InstantiateTransformer(Class[] paramTypes,
Object[] args)
- Constructor that performs no validation.
Use
getInstance
if you want that.
- Parameters:
paramTypes
- the constructor parameter types, not clonedargs
- the constructor arguments, not cloned
getInstance
public static Transformer getInstance(Class[] paramTypes,
Object[] args)
- Transformer method that performs validation.
- Parameters:
paramTypes
- the constructor parameter typesargs
- the constructor arguments
transform
public Object transform(Object input)
- Return the result of instantiating the input Class object.
- Specified by:
transform
in interface Transformer
- Following copied from interface:
org.apache.commons.collections.Transformer
- Parameters:
input
- the object to be transformed- Returns:
- a transformed object
- Throws:
ClassCastException
- (runtime) if the input is the wrong classIllegalArgumentException
- (runtime) if the input is invalidFunctorException
- (runtime) if the transform cannot be completed
Copyright © 2001-2004 Apache Software Foundation. All Rights Reserved.