public class TypedCollection extends java.lang.Object
Collectionto validate that elements added are of a specific type.
The validation of additions is performed via an instanceof test against
Class. If an object cannot be added to the
collection, an IllegalArgumentException is thrown.
|Modifier and Type||Method and Description|
Factory method to create a typed collection.
public static java.util.Collection decorate(java.util.Collection coll, java.lang.Class type)
If there are any elements already in the collection being decorated, they are validated.
coll- the collection to decorate, must not be null
type- the type to allow into the collection, must not be null
java.lang.IllegalArgumentException- if collection or type is null
java.lang.IllegalArgumentException- if the collection contains invalid elements
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