org.gatein.pc.samples.basic.PublicParameterPortlet Maven / Gradle / Ivy
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* Lesser General Public License for more details. *
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package org.gatein.pc.samples.basic;
import javax.portlet.GenericPortlet;
import javax.portlet.ActionRequest;
import javax.portlet.RenderResponse;
import javax.portlet.ActionResponse;
import javax.portlet.PortletURL;
import javax.portlet.PortletException;
import javax.portlet.ProcessAction;
import javax.portlet.RenderRequest;
import java.util.Enumeration;
import java.util.Map;
import java.io.IOException;
import java.io.PrintWriter;
/**
* @author Julien Viet
* @version $Revision: 630 $
*/
public class PublicParameterPortlet extends GenericPortlet
{
@ProcessAction(name="update")
public void update(ActionRequest req, ActionResponse resp) throws PortletException, IOException
{
Map publicParameters = req.getPublicParameterMap();
//
for (Map.Entry actionParameter : req.getPrivateParameterMap().entrySet())
{
String parameterName = actionParameter.getKey();
String parameterValue = actionParameter.getValue()[0];
String[] publicValues = publicParameters.get(parameterName);
//
if (parameterValue.length() > 0)
{
if (publicValues == null || !publicValues[0].equals(parameterValue))
{
resp.setRenderParameter(parameterName, parameterValue);
}
}
else if (publicValues != null)
{
resp.removePublicRenderParameter(parameterName);
}
}
}
public void render(RenderRequest req, RenderResponse resp) throws PortletException, IOException
{
PortletURL actionURL = resp.createActionURL();
actionURL.setParameter(ActionRequest.ACTION_NAME, "update");
//
PrintWriter writer = resp.getWriter();
writer.print("");
//
writer.close();
}
}