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import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class WebSearchServlet extends HttpServlet
{
String requestURI = null;
public void init (ServletConfig config) throws ServletException
{
this.requestURI = config.getInitParameter ("requestURI");
} // end init
public void service (HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
{
if (this.requestURI==null)
this.requestURI = req.getRequestURI();
String action = req.getParameter ("action");
if (action==null)
action = "noAction";
res.setContentType("text/html");
PrintWriter pw = res.getWriter();
pw.println ("<html>");
pw.println (" <head><title>WebSearchServlet</title></head>");
if (action.equals("search"))
doSearch (req, pw);
else
presentSearchPage (pw);
pw.println ("</html>");
pw.flush();
pw.close();
} // end service
private void presentSearchPage (PrintWriter pw)
{
pw.println (" <body>");
pw.println (" <script language='javascript'>");
pw.println (" function checkAll()");
pw.println (" {");
pw.println (" document.f1.alltheweb.checked = true;");
pw.println (" document.f1.altavista.checked = true;");
pw.println (" document.f1.ask.checked = true;");
pw.println (" document.f1.directhit.checked = true;");
pw.println (" document.f1.excite.checked = true;");
pw.println (" document.f1.google.checked = true;");
pw.println (" document.f1.lycos.checked = true;");
pw.println (" document.f1.northernlight.checked = true;");
pw.println (" document.f1.dmoz.checked = true;");
pw.println (" document.f1.yahoo.checked = true;");
pw.println (" }");
pw.println (" function unCheckAll()");
pw.println (" {");
pw.println (" document.f1.alltheweb.checked = false;");
pw.println (" document.f1.altavista.checked = false;");
pw.println (" document.f1.ask.checked = false;");
pw.println (" document.f1.directhit.checked = false;");
pw.println (" document.f1.excite.checked = false;");
pw.println (" document.f1.google.checked = false;");
pw.println (" document.f1.lycos.checked = false;");
pw.println (" document.f1.northernlight.checked = false;");
pw.println (" document.f1.dmoz.checked = false;");
pw.println (" document.f1.yahoo.checked = false;");
pw.println (" }");
pw.println (" </script>");
pw.println (" <center>");
pw.println (" <form name='f1' method='post' action='"+this.requestURI+"'><br>");
pw.println (" <table border='3'>");
pw.println (" <tr>");
pw.println (" <td>Search Text:</td>");
pw.println (" <td><input type='text' name='searchText' cols='250' size='64'></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='alltheweb'></td>");
pw.println (" <td><a href='http://www.alltheweb.com' target='_blank'>AllTheWeb</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='altavista'></td>");
pw.println (" <td><a href='http://www.altavista.com' target='_blank'>AltaVista</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='ask'></td>");
pw.println (" <td><a href='http://www.ask.com' target='_blank'>Ask Jeeves</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='directhit'></td>");
pw.println (" <td><a href='http://www.directhit.com' target='_blank'>DirectHit</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='excite'></td>");
pw.println (" <td><a href='http://www.excite.com' target='_blank'>Excite</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='google'></td>");
pw.println (" <td><a href='http://www.google.com' target='_blank'>Google</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='lycos'></td>");
pw.println (" <td><a href='http://www.lycos.com' target='_blank'>Lycos</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='northernlight'></td>");
pw.println (" <td><a href='http://www.northernlight.com' target='_blank'>NorthernLight</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='dmoz'></td>");
pw.println (" <td><a href='http://dmoz.org' target='_blank'>Open Directory Project</a></td>");
pw.println (" </tr>");
pw.println (" <tr>");
pw.println (" <td><input type='checkbox' name='yahoo'></td>");
pw.println (" <td><a href='http://www.yahoo.com' target='_blank'>Yahoo</a></td>");
pw.println (" </tr>");
pw.println (" </table>");
pw.println (" <input type='button' value='Check All' onclick='javascript:checkAll()'>");
pw.println (" <input type='button' value='Uncheck All' onclick='javascript:unCheckAll()'><br>");
pw.println (" <input type='hidden' name='action' value='search'>");
pw.println (" <input type='submit' value='Search'>");
pw.println (" </form>");
pw.println (" </center>");
pw.println (" </body>");
} // end presentSearchPage
private void doSearch (HttpServletRequest req, PrintWriter pw)
{
String searchText = req.getParameter ("searchText");
if (searchText==null)
searchText = "";
searchText = java.net.URLEncoder.encode (searchText);
pw.println (" <script language='javascript'>");
if ((req.getParameter("alltheweb"))!=null)
pw.println (" window.open ('http://www.alltheweb.com/search?cat=web&lang=any&query="+searchText+"');");
if ((req.getParameter("altavista"))!=null)
pw.println (" window.open ('http://www.altavista.com/sites/search/web?q="+searchText+"&pg=q&kl=XX');");
if ((req.getParameter("ask"))!=null)
pw.println (" window.open ('http://www.ask.com/main/askjeeves.asp?ask="+searchText+"');");
if ((req.getParameter("directhit"))!=null)
pw.println (" window.open ('http://www.directhit.com/search.asp?qry="+searchText+"&alias=websrch');");
if ((req.getParameter("excite"))!=null)
pw.println (" window.open ('http://search.excite.com/search.gw?c=web&search="+searchText+"&onload=');");
if ((req.getParameter("google"))!=null)
pw.println (" window.open ('http://www.google.com/search?q="+searchText+"');");
if ((req.getParameter("lycos"))!=null)
pw.println (" window.open ('http://search.lycos.com/main/default.asp?lpv=1&loc=searchhp&query="+searchText+"');");
if ((req.getParameter("northernlight"))!=null)
pw.println (" window.open ('http://www.northernlight.com/nlquery.fcg?cb=0&qr="+searchText+"');");
if ((req.getParameter("dmoz"))!=null)
pw.println (" window.open ('http://search.dmoz.org/cgi-bin/search?search="+searchText+"');");
if ((req.getParameter("yahoo"))!=null)
pw.println (" window.open ('http://search.yahoo.com/bin/search?p="+searchText+"');");
pw.println (" parent.history.back(-1);");
pw.println (" </script>");
} // end doSearch
} // end class WebSearchServlet
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