/******************************************************************************
* JBoss, a division of Red Hat *
* Copyright 2008, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt in the distribution for a full listing of *
* individual contributors. *
* *
* This is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 2.1 of *
* the License, or (at your option) any later version. *
* *
* This software is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this software; if not, write to the Free *
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
* 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
******************************************************************************/
package org.gatein.pc.samples.shoppingcart;
import javax.portlet.Event;
import javax.portlet.EventRequest;
import javax.portlet.EventResponse;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.PortletSession;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
/**
* @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
* @version $Revision: 9932 $
*/
public class CartPortlet extends GenericPortlet
{
public static final String ITEMS = "cart_items";
@Override
protected void doView(RenderRequest renderRequest, RenderResponse renderResponse) throws PortletException, IOException
{
renderResponse.setContentType("text/html");
Writer writer = renderResponse.getWriter();
List<CatalogItem> items = getItems(renderRequest.getPortletSession());
if (!items.isEmpty())
{
writer.append("<table width='95%' id=\"cart-table\"><thead><tr align='left'><th width='66%'>Description</th><th align='right'>Price</th></tr></thead><tbody>");
int total = 0;
for (CatalogItem item : items)
{
int price = item.getPrice();
total += price;
writer.append("<tr><td>").append(item.getDescription()).append("</td><td align='right'>$").append("" + price)
.append("</td></tr>");
}
writer.append("<tr><td><b>Total:</b></td><td align='right' style='border-top: 2px solid #000;'>")
.append("$" + total).append("</td></tr></tbody></table>");
}
else
{
writer.append("Cart is empty.");
}
}
@Override
public void processEvent(EventRequest eventRequest, EventResponse eventResponse) throws PortletException, IOException
{
List<CatalogItem> items = getItems(eventRequest.getPortletSession());
Event event = eventRequest.getEvent();
if (event.getName().equals("CartEvent"))
{
CartEvent cartEvent = (CartEvent)event.getValue();
items.add(Catalog.get(cartEvent.getId()));
}
eventRequest.getPortletSession().setAttribute(ITEMS, items);
}
private List<CatalogItem> getItems(PortletSession session)
{
List<CatalogItem> items = (List<CatalogItem>)session.getAttribute(ITEMS);
if (items == null)
{
items = new ArrayList<CatalogItem>(7);
}
return items;
}
}