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package pt.estgp.estgweb.web;
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import jomm.web.utils.NavPlace;
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import org.apache.log4j.Logger;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.URLEncoder;
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/**
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 * @author Jorge Machado
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 * @date 26/Fev/2008
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 * @time 12:46:16
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 * @see pt.estgp.estgweb.web
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 */
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public class LayoutProxy extends HttpServlet {
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    /** sss requests for both HTTP <code>GET</code> and <code>POST</code> methods.
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     * @param request servlet request
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     * @param response servlet response
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     */
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    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(LayoutProxy.class);
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    protected void setQueryString(1.5.0/docs/api/java/lang/String.html">String queryString, HttpServletRequest request)
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    {
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        NavPlace.setAuxiliaryQueryString(queryString,request);
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    }
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    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
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            throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException
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    {
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        1.5.0/docs/api/java/lang/String.html">String path = request.getPathInfo();
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        int layoutEnd = path.indexOf("/",1);
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        1.5.0/docs/api/java/lang/String.html">String layout = path.substring(1,layoutEnd);
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        logger.info("layout:" + layout);
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        path = path.substring(layoutEnd);
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        int serverEnd = path.indexOf("/",1);
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        if(serverEnd < 0)
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            serverEnd = path.length();
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        1.5.0/docs/api/java/lang/String.html">String server = path.substring(1,serverEnd);
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        logger.info("server:" + server);
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        path = path.substring(serverEnd);
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        logger.info("path:" + path);
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        if(path != null)
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        {
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            try
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            {
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                //Aqui temos de codificar em UTf-8 porque estamos dentro da máquina em UTF-8
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                //Tem de ser com o URLEncoder e não com o URIUtil porque o URLEncoder trabalha com o + e o URIUtil apenas trabalha com diacriticos
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                getServletContext().getRequestDispatcher("/layout.do?server=" + server + "&path=" + 1.5.0/docs/api/java/net/URLEncoder.html">URLEncoder.encode(path, "UTF-8") + "&layout=" + layout + "&" + request.getQueryString()).forward(request, response);
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            }
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            catch(1.5.0/docs/api/java/io/FileNotFoundException.html">FileNotFoundException e)
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            {
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                throw new 1.5.0/docs/api/java/io/FileNotFoundException.html">FileNotFoundException(path);
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            }
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            catch(1.5.0/docs/api/java/lang/Exception.html">Exception e)
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            {
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                if(e.toString().indexOf("HTTP response code")>=0)
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                {
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                    logger.info(e,e);
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                    //do nothing it's some file in proxy that is not there
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                }
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                else
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                {
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                    throw new 1.5.0/docs/api/java/io/IOException.html">IOException(e.toString());
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                }
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            }
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        }
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        else
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        {
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            throw new 1.5.0/docs/api/java/io/FileNotFoundException.html">FileNotFoundException("url not found for server:" + server + " and path:" + path);
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        }
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    }
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    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
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    /** Handles the HTTP <code>GET</code> method.
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     * @param request servlet request
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     * @param response servlet response
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     */
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    protected void doGet(HttpServletRequest request, HttpServletResponse response)
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            throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException
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    {
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        processRequest(request, response);
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    }
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    /** Handles the HTTP <code>POST</code> method.
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     * @param request servlet request
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     * @param response servlet response
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     */
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    protected void doPost(HttpServletRequest request, HttpServletResponse response)
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            throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException {
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        processRequest(request, response);
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    }
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    /** Returns a short description of the servlet.
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     */
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    public 1.5.0/docs/api/java/lang/String.html">String getServletInfo() {
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        return "Proxy Servlet to get pages form static web page servers";
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    }
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    // </editor-fold>
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}