GenericDispatchedViewPortlet.java
package org.exoplatform.commons.api.portlet;
import java.io.IOException;
import java.util.Map.Entry;
import java.util.Set;
import javax.portlet.*;
import org.apache.commons.lang3.StringUtils;
/**
* This is a generic and simple Portlet class that dispatches the view to a
* JSP/HTML file.
*
* It allows to access Portlet preferences from HTTP Request attributes too in render phase.
*/
public class GenericDispatchedViewPortlet extends GenericPortlet {
private String viewDispatchedPath;
@Override
public void init(PortletConfig config) throws PortletException {
super.init(config);
viewDispatchedPath = config.getInitParameter("portlet-view-dispatched-file-path");
if (StringUtils.isBlank(viewDispatchedPath)) {
throw new IllegalStateException("Portlet init parameter 'portlet-view-dispatched-file-path' is mandatory");
}
}
@Override
protected void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException {
PortletRequestDispatcher prd = getPortletContext().getRequestDispatcher(viewDispatchedPath);
PortletPreferences preferences = request.getPreferences();
if (preferences != null) {
Set<Entry<String, String[]>> preferencesEntries = preferences.getMap().entrySet();
for (Entry<String, String[]> entry : preferencesEntries) {
request.setAttribute(entry.getKey(), entry.getValue());
}
}
prd.include(request, response);
}
}