public InputStream getResourceAsStream(String path) {
URL url = getResource(path);
if (url == null) return null;
try {
return url.openStream();
} catch (IOException ioe) {
throw new RuntimeException("can't getResourceAsStream [" + path + "]", ioe);
}
}
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
int i, j;
String amount = req.getParameter("amount");
String from = req.getParameter("from");
String to = req.getParameter("to");
String ch = req.getParameter("choice");
String answer, answer1, answer2, answer3;
if ("INFO".equals(ch)) {
Redirect_info newurl = (Redirect_info) getServletContext().getAttribute("redirect");
res.sendRedirect(newurl.getUrl());
} else {
out.println("<html>");
out.println("<title>Currency Converter</title>");
String addr = "http://www.google.com/ig/calculator?hl=en&q=" + amount + from + "=?" + to;
URL convert = new URL(addr);
BufferedReader in = new BufferedReader(new InputStreamReader(convert.openStream()));
answer = in.readLine();
answer = new String(answer.getBytes("ISO-8859-1"), "ISO-8859-7");
from = new String(from.getBytes("ISO-8859-1"), "ISO-8859-7");
to = new String(to.getBytes("ISO-8859-1"), "ISO-8859-7");
amount = new String(amount.getBytes("ISO-8859-1"), "ISO-8859-7");
in.close();
i = answer.indexOf('"');
answer = answer.substring(i + 1);
i = answer.indexOf('"');
answer = answer.substring(i + 1);
i = answer.indexOf('"');
answer = answer.substring(i + 1);
i = answer.indexOf('"');
answer = answer.substring(0, i);
out.println("<p ALIGN=CENTER>" + amount + " " + from + " == " + answer + "(" + to + ")</p>");
out.println("</body>");
out.println("</html>");
}
}