Class TypedList

  • @Deprecated(since="2021-04-30")
    public class TypedList
    extends Object
    Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.
    Decorates another List 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.

    Commons Collections 3.0
    • Method Detail

      • decorate

        public static List decorate​(List list,
                                    Class type)
        Factory method to create a typed list.

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

        list - the list to decorate, must not be null
        type - the type to allow into the collection, must not be null
        IllegalArgumentException - if list or type is null
        IllegalArgumentException - if the list contains invalid elements