public class TypedList
extends java.lang.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 | Description |
---|---|---|
protected |
TypedList() |
Restrictive constructor.
|
Modifier and Type | Method | Description |
---|---|---|
static java.util.List |
decorate(java.util.List list,
java.lang.Class type) |
Factory method to create a typed list.
|
public static java.util.List decorate(java.util.List list, java.lang.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 nulljava.lang.IllegalArgumentException
- if list or type is nulljava.lang.IllegalArgumentException
- if the list contains invalid elementsCopyright © 2001-2017 Apache Software Foundation. All Rights Reserved.