Package org.apache.jetspeed.modules.actions.portlets

Source Code of org.apache.jetspeed.modules.actions.portlets.HelloAction

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* The Apache Software License, Version 1.1
*
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* reserved.
*
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* modification, are permitted provided that the following conditions
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*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.jetspeed.modules.actions.portlets;

import org.apache.jetspeed.portal.portlets.VelocityPortlet;

// Turbine stuff
import org.apache.turbine.util.RunData;

// Velocity Stuff
import org.apache.velocity.context.Context;


/**
* An abstract action class to build VelocityPortlet actions.
*
* <p>Don't call it from the URL, the Portlet and the Action are automatically
* associated through the registry PortletName
*
* @author <a href="mailto:raphael@apache.org">Rapha�l Luta</a>
*/
public class HelloAction extends VelocityPortletAction
{

    /**
     * Subclasses should override this method if they wish to
     * build specific content when maximized. Default behavior is
     * to do the same as normal content.
     */
    protected void buildMaximizedContext( VelocityPortlet portlet,
                                          Context context,
                                          RunData rundata )
    {
        buildNormalContext( portlet, context, rundata);
       
        String text = (String)context.get("text");

        if (text == null)
        {
            text = "Hello World ";
        }

        context.put("text", text+" (Maximized !)");
    }

    /**
     * Subclasses should override this method if they wish to
     * provide their own customization behavior.
     * Default is to use Portal base customizer action
     */
    protected void buildConfigureContext( VelocityPortlet portlet,
                                          Context context,
                                          RunData rundata )
    {

        buildNormalContext( portlet, context, rundata);
       
        setTemplate(rundata, "hello-customize");
       
    }

    /**
     * Subclasses must override this method to provide default behavior
     * for the portlet action
     */
    protected void buildNormalContext( VelocityPortlet portlet,
                                       Context context,
                                       RunData rundata )
    {
        context.put("text",portlet.getPortletConfig().getInitParameter("text"));
    }

    public void doUpdate(RunData data, Context context)
    {
        String text = data.getParameters().getString("text");
       
        if (text!=null)
        {
            VelocityPortlet portlet = (VelocityPortlet)context.get("portlet");
            portlet.setAttribute("text",text,data);
            context.put("text",text);
            context.put("message", "Text successfully updated");
        }
        else
        {
            context.put("message", "You must specify a new text");
        }
    }
}
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