Class TypedBuffer


  • public class TypedBuffer
    extends java.lang.Object
    Decorates another Buffer to validate that elements added are of a specific type.

    The validation of additions is performed via an instanceof test against a specified Class. If an object cannot be added to the collection, an IllegalArgumentException is thrown.

    Since:
    Commons Collections 3.0
    Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected TypedBuffer()
      Restrictive constructor.
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static Buffer decorate​(Buffer buffer, java.lang.Class type)
      Factory method to create a typed list.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • TypedBuffer

        protected TypedBuffer()
        Restrictive constructor.
    • Method Detail

      • decorate

        public static Buffer decorate​(Buffer buffer,
                                      java.lang.Class type)
        Factory method to create a typed list.

        If there are any elements already in the buffer being decorated, they are validated.

        Parameters:
        buffer - the buffer to decorate, must not be null
        type - the type to allow into the buffer, must not be null
        Returns:
        a new typed Buffer
        Throws:
        java.lang.IllegalArgumentException - if buffer or type is null
        java.lang.IllegalArgumentException - if the buffer contains invalid elements