Authentication providers.
Because authentication providers are instantiated and configured in
the application scope (and not in the request handler), the authenticator
implementations must be thread-safe.
Author:
"Hans Lellelid" <hans@xmpl.org>
Copyright:
Copyright 2009 Hans Lellelid
License:
Licensed under the Apache License, Version 2.0 (the
"License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS
IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied.
See the License for the specific language governing permissions and
limitations under the License.