public class TypedList extends Object
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.
Modifier | Constructor and Description |
---|---|
protected |
TypedList()
Restrictive constructor.
|
public static List decorate(List list, Class type)
If there are any elements already in the list being decorated, they are validated.
list
- the list to decorate, must not be nulltype
- the type to allow into the collection, must not be nullIllegalArgumentException
- if list or type is nullIllegalArgumentException
- if the list contains invalid elementsCopyright © 2001–2015 The Apache Software Foundation. All rights reserved.