Class InstantiateTransformer

  • All Implemented Interfaces:
    java.io.Serializable, Transformer

    @Deprecated(since="2021-04-30")
    public class InstantiateTransformer
    extends java.lang.Object
    implements Transformer, java.io.Serializable
    Deprecated.
    Apache Commons Collections version 3.x is being deprecated from AEMaaCS. The upgraded version 4.4 of Commons Collections is already included as replacement. Customers are advised to upgrade to this version of the library. Please note: the package name was changed to org.apache.commons.collections4. Further note that there are AEM APIs currently exposing the old collections classes; these will be updated in upcoming releases.
    Transformer implementation that creates a new object instance by reflection.

    WARNING: from v3.2.2 onwards this class will throw an UnsupportedOperationException when trying to serialize or de-serialize an instance to prevent potential remote code execution exploits.

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

      org.apache.commons.collections.enableUnsafeSerialization
      
    Since:
    Commons Collections 3.0
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static Transformer NO_ARG_INSTANCE
      Deprecated.
      Singleton instance that uses the no arg constructor
    • Constructor Summary

      Constructors 
      Constructor Description
      InstantiateTransformer​(java.lang.Class[] paramTypes, java.lang.Object[] args)
      Deprecated.
      Constructor that performs no validation.
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      static Transformer getInstance​(java.lang.Class[] paramTypes, java.lang.Object[] args)
      Deprecated.
      Transformer method that performs validation.
      java.lang.Object transform​(java.lang.Object input)
      Deprecated.
      Transforms the input Class object to a result by instantiation.
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • NO_ARG_INSTANCE

        public static final Transformer NO_ARG_INSTANCE
        Deprecated.
        Singleton instance that uses the no arg constructor
    • Constructor Detail

      • InstantiateTransformer

        public InstantiateTransformer​(java.lang.Class[] paramTypes,
                                      java.lang.Object[] args)
        Deprecated.
        Constructor that performs no validation. Use getInstance if you want that.
        Parameters:
        paramTypes - the constructor parameter types, not cloned
        args - the constructor arguments, not cloned
    • Method Detail

      • getInstance

        public static Transformer getInstance​(java.lang.Class[] paramTypes,
                                              java.lang.Object[] args)
        Deprecated.
        Transformer method that performs validation.
        Parameters:
        paramTypes - the constructor parameter types
        args - the constructor arguments
        Returns:
        an instantiate transformer
      • transform

        public java.lang.Object transform​(java.lang.Object input)
        Deprecated.
        Transforms the input Class object to a result by instantiation.
        Specified by:
        transform in interface Transformer
        Parameters:
        input - the input object to transform
        Returns:
        the transformed result