001// Copyright 2009 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.tapestry5.internal.test;
016
017import org.apache.tapestry5.http.services.Request;
018import org.apache.tapestry5.http.services.RequestFilter;
019import org.apache.tapestry5.http.services.RequestHandler;
020import org.apache.tapestry5.http.services.Response;
021import org.apache.tapestry5.ioc.services.PerthreadManager;
022
023import java.io.IOException;
024
025/**
026 * Makes sure that {@link org.apache.tapestry5.ioc.services.PerthreadManager#cleanup()} is invoked at the end of each
027 * request (normally handled by {@link org.apache.tapestry5.http.TapestryFilter}).
028 */
029public class EndOfRequestCleanupFilter implements RequestFilter
030{
031    private final PerthreadManager perThreadManager;
032
033    public EndOfRequestCleanupFilter(PerthreadManager perThreadManager)
034    {
035        this.perThreadManager = perThreadManager;
036    }
037
038    public boolean service(Request request, Response response, RequestHandler handler) throws IOException
039    {
040        try
041        {
042            return handler.service(request, response);
043        }
044        finally
045        {
046            perThreadManager.cleanup();
047        }
048    }
049}