/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/portal/trunk/portal-render-impl/impl/src/java/org/sakaiproject/portal/render/compat/CompatibilityToolRenderService.java $
* $Id: CompatibilityToolRenderService.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.portal.render.compat;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.portal.api.Portal;
import org.sakaiproject.portal.render.api.RenderResult;
import org.sakaiproject.portal.render.api.ToolRenderException;
import org.sakaiproject.portal.render.api.ToolRenderService;
import org.sakaiproject.site.api.ToolConfiguration;
/**
* Render serivice used to support both Portlet and iframe based tools.
*
* @author ddwolf
* @since Sakai 2.4
* @version $Rev: 105079 $
*/
public class CompatibilityToolRenderService implements ToolRenderService
{
private static final Log LOG = LogFactory
.getLog(CompatibilityToolRenderService.class);
private List renderServices = null;
/**
* @param request
* @param response
* @param context
* @return
* @throws IOException
*/
public boolean preprocess(Portal portal, HttpServletRequest request, HttpServletResponse response,
ServletContext context) throws IOException
{
boolean continueProcessing = true;
for (Iterator i = renderServices.iterator(); i.hasNext();)
{
ToolRenderService trs = (ToolRenderService) i.next();
LOG.debug("Preprocessing with " + trs);
continueProcessing = continueProcessing
&& trs.preprocess(portal, request, response, context);
}
return continueProcessing;
}
public RenderResult render(Portal portal, ToolConfiguration configuration,
HttpServletRequest request, HttpServletResponse response,
ServletContext context) throws IOException
{
for (Iterator i = renderServices.iterator(); i.hasNext();)
{
ToolRenderService trs = (ToolRenderService) i.next();
if (trs.accept(portal, configuration, request, response, context))
{
LOG.debug("Rendering with " + trs);
return trs.render(portal, configuration, request, response, context);
}
}
throw new ToolRenderException("No available Tool Render Service for the tool "
+ configuration.getToolId());
}
public boolean accept(Portal portal, ToolConfiguration configuration, HttpServletRequest request,
HttpServletResponse response, ServletContext context)
{
for (Iterator i = renderServices.iterator(); i.hasNext();)
{
ToolRenderService trs = (ToolRenderService) i.next();
if (trs.accept(portal,configuration, request, response, context))
{
return true;
}
}
return false;
}
/**
* @return the renderServices
*/
public List getRenderServices()
{
return renderServices;
}
/**
* @param renderServices
* the renderServices to set
*/
public void setRenderServices(List renderServices)
{
this.renderServices = renderServices;
}
public void reset( ToolConfiguration configuration)
{
for (Iterator i = renderServices.iterator(); i.hasNext();)
{
ToolRenderService trs = (ToolRenderService) i.next();
trs.reset(configuration);
}
}
}