// Copyright 2004, 2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry.services.impl;
import java.io.IOException;
import java.io.PrintWriter;
import org.apache.tapestry.IMarkupWriter;
import org.apache.tapestry.IPage;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.markup.MarkupWriterSource;
import org.apache.tapestry.services.RequestLocaleManager;
import org.apache.tapestry.services.ResponseRenderer;
import org.apache.tapestry.util.ContentType;
import org.apache.tapestry.web.WebResponse;
/**
* Responsible for rendering a response to the client.
*
* @author Howard M. Lewis Ship
* @since 4.0
*/
public class ResponseRendererImpl implements ResponseRenderer
{
private RequestLocaleManager _localeManager;
private MarkupWriterSource _markupWriterSource;
private WebResponse _webResponse;
/**
* Inside a {@link org.apache.tapestry.util.ContentType}, the output encoding is called
* "charset".
*/
public static final String ENCODING_KEY = "charset";
public void renderResponse(IRequestCycle cycle) throws IOException
{
_localeManager.persistLocale();
IPage page = cycle.getPage();
ContentType contentType = page.getResponseContentType();
String encoding = contentType.getParameter(ENCODING_KEY);
if (encoding == null)
{
encoding = cycle.getEngine().getOutputEncoding();
contentType.setParameter(ENCODING_KEY, encoding);
}
PrintWriter printWriter = _webResponse.getPrintWriter(contentType);
IMarkupWriter writer = _markupWriterSource.newMarkupWriter(printWriter, contentType);
cycle.renderPage(writer);
writer.close();
}
public void setLocaleManager(RequestLocaleManager localeManager)
{
_localeManager = localeManager;
}
public void setMarkupWriterSource(MarkupWriterSource markupWriterSource)
{
_markupWriterSource = markupWriterSource;
}
public void setWebResponse(WebResponse webResponse)
{
_webResponse = webResponse;
}
}