org.apache.commons.collections.buffer
public class TypedBuffer extends Object
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: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $
Constructor Summary | |
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protected | TypedBuffer()
Restrictive constructor. |
Method Summary | |
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static Buffer | decorate(Buffer buffer, 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: IllegalArgumentException if buffer or type is null IllegalArgumentException if the buffer contains invalid elements