BuyNowAuth.java

/*
 * Copyright (C) 2002-2009  OW2 Consortium
 *
 * This file is part of dcsj-rubis (below referred to as "this program").
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */

package edu.rice.rubis.servlets;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * his servlets display the page authentifying the user
 * to allow him to put a buy an item at the "buy now" price.
 * It must be called this way :
 * <pre>
 * http://..../BuyNowAuth?itemId=xx where xx is the id of the item
 * /<pre>
 * @author <a href="mailto:cecchet@rice.edu">Emmanuel Cecchet</a>
 * @author <a href="mailto:julie.marguerite@inrialpes.fr">Julie Marguerite</a>
 * @author <a href="mailto:marco.guazzone@gmail.com">Marco Guazzone</a>
 */
public class BuyNowAuth extends BaseRubisHttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        ServletPrinter sp = null;
        sp = new ServletPrinter(response, "BuyNowAuth");

        String value = request.getParameter("itemId");
        if (value == null || value.equals("")) {
            this.printError("No item identifier received. Cannot process the request", sp);
            return;
        }

        sp.printHTMLheader("RUBiS: User authentification for buying an item");
        sp.printFile(Config.HTMLFilesPath + "/buy_now_auth_header.html");
        sp.printHTML("<input type=hidden name=\"itemId\" value=\"" + value + "\">");
        sp.printFile(Config.HTMLFilesPath + "/auth_footer.html");
        sp.printHTMLfooter();
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        this.doGet(request, response);
    }

    private void printError(String errorMsg, ServletPrinter sp) {
        this.printError("Buy Now Auth", errorMsg, sp);
    }
}