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.listener; 016 017import org.apache.tapestry.IActionListener; 018import org.apache.tapestry.IComponent; 019import org.apache.tapestry.IRequestCycle; 020 021/** 022 * Filter interface used with {@link org.apache.tapestry.listener.ListenerInvoker}. Implementations 023 * of this filter interface may be plugged into the listener method invocation pipeline. Typical 024 * applications involve handling transactions. 025 * 026 * @author Howard M. Lewis Ship 027 * @since 4.0 028 */ 029public interface ListenerInvokerFilter 030{ 031 public void invokeListener(IActionListener listener, IComponent source, IRequestCycle cycle, 032 ListenerInvoker delegate); 033}