Class PrototypeFactory

java.lang.Object
org.apache.commons.collections.functors.PrototypeFactory

public class PrototypeFactory extends Object
Factory implementation that creates a new instance each time based on a prototype.
Since:
Commons Collections 3.0
Version:
$Revision: 1713849 $ $Date: 2015-11-11 15:21:37 +0100 (Wed, 11 Nov 2015) $
Author:
Stephen Colebourne
  • Method Details

    • getInstance

      public static Factory getInstance(Object prototype)
      Factory method that performs validation.

      Creates a Factory that will return a clone of the same prototype object each time the factory is used. The prototype will be cloned using one of these techniques (in order):

      • public clone method
      • public copy constructor
      • serialization clone

          WARNING: from v3.2.2 onwards this method will return a Factory that will throw an UnsupportedOperationException when trying to serialize or de-serialize it to prevent potential remote code execution exploits.

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

           org.apache.commons.collections.enableUnsafeSerialization
           
      Parameters:
      prototype - the object to clone each time in the factory
      Returns:
      the prototype factory
      Throws:
      IllegalArgumentException - if the prototype is null
      IllegalArgumentException - if the prototype cannot be cloned