001package org.apache.turbine.modules.pages;
002
003
004/*
005 * Licensed to the Apache Software Foundation (ASF) under one
006 * or more contributor license agreements.  See the NOTICE file
007 * distributed with this work for additional information
008 * regarding copyright ownership.  The ASF licenses this file
009 * to you under the Apache License, Version 2.0 (the
010 * "License"); you may not use this file except in compliance
011 * with the License.  You may obtain a copy of the License at
012 *
013 *   http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing,
016 * software distributed under the License is distributed on an
017 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
018 * KIND, either express or implied.  See the License for the
019 * specific language governing permissions and limitations
020 * under the License.
021 */
022
023
024import javax.servlet.http.HttpServletResponse;
025
026import org.apache.turbine.Turbine;
027import org.apache.turbine.annotation.TurbineService;
028import org.apache.turbine.pipeline.PipelineData;
029import org.apache.turbine.services.jsp.JspService;
030
031/**
032 * Extends TemplatePage to add some convenience objects to the request.
033 *
034 * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a>
035 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
036 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
037 * @version $Revision$
038 */
039public class JspPage
040    extends TemplatePage
041{
042    /** Injected service instance */
043    @TurbineService
044    private JspService jspService;
045
046    /**
047     * Stuffs some useful objects into the request so that
048     * it is available to the Action module and the Screen module
049     */
050    @Override
051    protected void doBuildBeforeAction(PipelineData pipelineData)
052        throws Exception
053    {
054        jspService.addDefaultObjects(pipelineData);
055
056        try
057        {
058            HttpServletResponse response = pipelineData.get(Turbine.class, HttpServletResponse.class);
059            //We try to set the buffer size from defaults
060            response.setBufferSize(jspService.getDefaultBufferSize());
061        }
062        catch (IllegalStateException ise)
063        {
064            // If the response was already committed, we die silently
065            // No logger here?
066        }
067    }
068
069}