/**
* This file Copyright (c) 2003-2012 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.rendering.renderer;
import info.magnolia.cms.util.ServletUtils;
import info.magnolia.context.MgnlContext;
import info.magnolia.context.WebContext;
import info.magnolia.jcr.util.NodeUtil;
import info.magnolia.rendering.context.RenderingContext;
import info.magnolia.rendering.engine.RenderException;
import info.magnolia.rendering.template.RenderableDefinition;
import java.util.Map;
import javax.jcr.Node;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Renders templates by dispatching to the servlet container.
*
* @version $Id$
*/
public class JspRenderer extends AbstractRenderer {
@Override
protected void onRender(Node content, RenderableDefinition definition, RenderingContext renderingCtx, Map<String, Object> ctx, String templateScript) throws RenderException {
HttpServletRequest request = ((WebContext) MgnlContext.getInstance()).getRequest();
HttpServletResponse response = ((WebContext) MgnlContext.getInstance()).getResponse();
try {
if (response.isCommitted() || (ServletUtils.isForward(request) || ServletUtils.isInclude(request)) || !NodeUtil.isSame(content, renderingCtx.getMainContent()) ) {
((WebContext) ctx).include(templateScript, renderingCtx.getAppendable());
} else {
// we can't do an include() because the called template might want to set cookies or call response.sendRedirect()
request.getRequestDispatcher(templateScript).forward(request, response);
}
} catch (Exception e) {
throw new RenderException("Can't render template " + templateScript, e);
}
}
// TODO this is copied from the old rendering, need to go or be adapted
/**
* We expose nodes as Map instances in JSPs.
*
@Override
protected Node wrapNodeForTemplate(Node currentContent, Node mainContent) {
final Node wrapped = super.wrapNodeForTemplate(currentContent, mainContent);
return new NodeMapWrapper(wrapped, mainContent.getHandle());
}
*/
@Override
protected Map newContext() {
return MgnlContext.getWebContext("JspRenderer can only be used with a WebContext");
}
}