/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.modules.actions.portlets;
// Turbine stuff
import org.apache.turbine.util.RunData;
import org.apache.turbine.services.TurbineServices;
import org.apache.turbine.util.Comparable;
import org.apache.turbine.util.QuickSort;
// Jetspeed stuff
import org.apache.jetspeed.portal.Portlet;
import org.apache.jetspeed.modules.actions.portlets.JspPortletAction;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.jetspeed.webservices.finance.stockmarket.StockQuoteService;
import org.apache.jetspeed.webservices.finance.stockmarket.StockQuote;
import org.apache.jetspeed.util.PortletConfigState;
import org.apache.jetspeed.util.PortletSessionState;
import org.apache.jetspeed.util.StringUtils;
/**
* This action sets up the template context for retrieving stock quotes.
*
* @author <a href="mailto:morciuch@apache.org">Mark Orciuch</a>
* @version $Id: JspStockQuoteAction.java,v 1.3 2004/02/23 02:56:58 jford Exp $
*/
public class JspStockQuoteAction extends JspPortletAction implements Comparable
{
private static final String SYMBOLS = "symbols";
private static final String COLUMNS = "columns";
private static final String QUOTES = "quotes";
private static final String SORT = "sort";
private static final String SELECTED_COLUMNS = "selected-columns";
private static final String[] ALL_COLUMNS = {"Symbol","Price","Change","Volume"};
private String sort = null;
/**
* Static initialization of the logger for this class
*/
private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(JspStockQuoteAction.class.getName());
/**
* Build the normal state content for this portlet.
*
* @param portlet The jsp-based portlet that is being built.
* @param rundata The turbine rundata context for this request.
*/
protected void buildNormalContext(Portlet portlet, RunData rundata)
{
// We always fetch the most current quotes so might as well call refresh from here
this.doRefresh(rundata, portlet);
}
/**
* Sort the quotes.
*
* @param portlet The jsp-based portlet that is being built.
* @param rundata The turbine rundata context for this request.
*/
public void doSort(RunData rundata, Portlet portlet)
{
// We always fetch the most current quotes so might as well call refresh from here
this.doRefresh(rundata, portlet);
logger.info("JspStockQuoteAction: sorting...");
}
/**
* Refresh the portlet content.
*
* @param portlet The jsp-based portlet that is being built.
* @param rundata The turbine rundata context for this request.
*/
public void doRefresh(RunData rundata, Portlet portlet)
{
try
{
// Get reference to stock quote web service
StockQuoteService service = (StockQuoteService) TurbineServices.getInstance().
getService(StockQuoteService.SERVICE_NAME);
// Retrieve portlet parameters
String symbols = (String) PortletSessionState.getAttributeWithFallback(portlet, rundata, SYMBOLS);
this.sort = (String) PortletSessionState.getAttributeWithFallback(portlet, rundata, SORT);
if (this.sort != null)
{
PortletSessionState.setAttribute(portlet, rundata, SORT, sort);
rundata.getRequest().setAttribute(SORT, sort);
}
String columns = PortletConfigState.getParameter(portlet, rundata, COLUMNS,
StringUtils.arrayToString(ALL_COLUMNS, ","));
String[] selectedColumnsArray = StringUtils.stringToArray(columns, ",");
// Request stock quote(s) from the stock quote web service
String[] symbolArray = StringUtils.stringToArray(symbols, ",");
StockQuote[] quotes = service.fullQuotes(symbolArray);
// Sort the entries
if (this.sort != null)
{
QuickSort.quickSort(quotes, 0, quotes.length - 1, this);
rundata.getRequest().setAttribute(SORT, this.sort);
}
// Place appropriate objects in jsp context
rundata.getRequest().setAttribute(QUOTES, quotes);
rundata.getRequest().setAttribute(COLUMNS, selectedColumnsArray);
rundata.getRequest().setAttribute(SELECTED_COLUMNS, columns);
logger.info("JspStockQuoteAction: refreshing...");
}
catch (Exception e)
{
logger.error("Exception", e);
}
}
/**
* Compare to another <code>StockQuote</code>. Used by the
* <code>QuickSort</code> class to determine sort order.
*
* @param entry1 The first <code>StockQuoteEntry</code> object.
* @param entry2 The second <code>StockQuoteEntry</code> object.
* @return An <code>int</code> indicating the result of the comparison.
*/
public int compare(Object entry1, Object entry2)
{
if (this.sort.equalsIgnoreCase("price"))
{
Float entrycol1 = new Float(((StockQuote) entry1).getPrice());
Float entrycol2 = new Float(((StockQuote) entry2).getPrice());
return entrycol1.compareTo(entrycol2);
}
else if (this.sort.equalsIgnoreCase("symbol"))
{
String entrycol1 = ((StockQuote) entry1).getSymbol();
String entrycol2 = ((StockQuote) entry2).getSymbol();
return entrycol1.compareTo(entrycol2);
}
else if (this.sort.equalsIgnoreCase("change"))
{
Double entrycol1 = new Double(((StockQuote) entry1).getChange());
Double entrycol2 = new Double(((StockQuote) entry2).getChange());
return entrycol1.compareTo(entrycol2);
}
else
{
Long entrycol1 = new Long(((StockQuote) entry1).getVolume());
Long entrycol2 = new Long(((StockQuote) entry2).getVolume());
return entrycol1.compareTo(entrycol2);
}
}
}