001// Copyright 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry.record;
016
017import org.apache.tapestry.web.WebSession;
018
019/**
020 * Callback interface used to operate on a subset of attributes stored within a
021 * {@link org.apache.tapestry.web.WebSession} whose names match a particular prefix.
022 * 
023 * @author Howard M. Lewis Ship
024 * @since 4.0
025 */
026public interface WebSessionAttributeCallback
027{
028    /**
029     * Invoked for each matching attribute.
030     * 
031     * @param session
032     *            session containing the attribute
033     * @param name
034     *            full name of the attribute
035     */
036    void handleAttribute(WebSession session, String name);
037}