001// Copyright 2008 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.services;
016
017import org.apache.tapestry5.http.services.Request;
018import org.apache.tapestry5.http.services.Session;
019import org.apache.tapestry5.internal.events.EndOfRequestListener;
020
021/**
022 * A listener that invokes {@link org.apache.tapestry5.http.services.Session#restoreDirtyObjects()}.
023 */
024public class RestoreDirtySessionObjects implements EndOfRequestListener
025{
026    private final Request request;
027
028    public RestoreDirtySessionObjects(Request request)
029    {
030        this.request = request;
031    }
032
033    public void requestDidComplete()
034    {
035        Session session = request.getSession(false);
036
037        if (session != null)
038            session.restoreDirtyObjects();
039    }
040}