/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        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.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *     "Apache Jetspeed" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache" or
 *    "Apache Jetspeed", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * 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.Log;
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">Raphaël 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");
        }
    }
}
