Package org.apache.commons.collections4.functors

Class InstantiateFactory<T>

  • All Implemented Interfaces:
    Factory<T>
    public class InstantiateFactory<T>
extends java.lang.Object
implements Factory<T>
    Factory implementation that creates a new object instance by reflection.

    WARNING: from v4.1 onwards this class will not be serializable anymore in order to prevent potential remote code execution exploits. Please refer to COLLECTIONS-580 for more details.

    Since:
    3.0

    • Constructor Summary

      Constructors 
      Constructor Description
      InstantiateFactory​(java.lang.Class<T> classToInstantiate)
      Constructor that performs no validation.
      InstantiateFactory​(java.lang.Class<T> classToInstantiate, java.lang.Class<?>[] paramTypes, java.lang.Object[] args)
      Constructor that performs no validation.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      T create()
      Creates an object using the stored constructor.
      static <T> Factory<T> instantiateFactory​(java.lang.Class<T> classToInstantiate, java.lang.Class<?>[] paramTypes, java.lang.Object[] args)
      Factory method that performs validation.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • InstantiateFactory

        public InstantiateFactory​(java.lang.Class<T> classToInstantiate)
        Constructor that performs no validation. Use instantiateFactory if you want that.
        Parameters:
        classToInstantiate - the class to instantiate

      • InstantiateFactory

        public InstantiateFactory​(java.lang.Class<T> classToInstantiate,
                          java.lang.Class<?>[] paramTypes,
                          java.lang.Object[] args)
        Constructor that performs no validation. Use instantiateFactory if you want that.
        Parameters:
        classToInstantiate - the class to instantiate
        paramTypes - the constructor parameter types, cloned
        args - the constructor arguments, cloned

    • Method Detail

      • instantiateFactory

        public static <T> Factory<T> instantiateFactory​(java.lang.Class<T> classToInstantiate,
                                                java.lang.Class<?>[] paramTypes,
                                                java.lang.Object[] args)
        Factory method that performs validation.
        Type Parameters:
        T - the type the factory creates
        Parameters:
        classToInstantiate - the class to instantiate, not null
        paramTypes - the constructor parameter types, cloned
        args - the constructor arguments, cloned
        Returns:
        a new instantiate factory
        Throws:
        java.lang.NullPointerException - if classToInstantiate is null
        java.lang.IllegalArgumentException - if paramTypes does not match args

      • create

        public T create()
        Creates an object using the stored constructor.
        Specified by:
        create in interface Factory<T>
        Returns:
        the new object