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.portlet;
016
017import java.io.IOException;
018
019import javax.portlet.ActionRequest;
020import javax.portlet.ActionResponse;
021import javax.portlet.PortletException;
022
023/**
024 * Filter interface used for the commands in the
025 * <code>tapestry.portlet.ActionRequestServicerPipeline</code> configuration.
026 * 
027 * @author Howard M. Lewis Ship
028 * @since 4.0
029 * @see org.apache.tapestry.portlet.ActionRequestServicer
030 */
031public interface ActionRequestServicerFilter
032{
033    public void service(ActionRequest request, ActionResponse response,
034            ActionRequestServicer servicer) throws IOException, PortletException;
035}