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368 jmachado 1 
package pt.estgp.estgweb.web;
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import org.apache.log4j.Logger;
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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 javax.servlet.ServletException;
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import jomm.web.utils.NavPlace;
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import java.io.IOException;
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import java.io.FileNotFoundException;
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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 DirProxy extends HttpServlet
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{
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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(DirProxy.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 dirEnd = path.indexOf("/",1);
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        if(dirEnd < 0)
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            dirEnd = path.length();
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        1.5.0/docs/api/java/lang/String.html">String directory = path.substring(1,dirEnd);
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        logger.info("diectory:" + directory);
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//        path = path.substring(dirEnd);
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        logger.info("path:" + path);
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        /**
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         * 1 - Obtain Directory XML
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         * 2 - Build a Xpath query based on path
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         * 3 - Set Actual Node
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         * 4 - Check Actual Node Rights
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         * 5 - If is a leaf check absolute just to confirm the request is valid, if absolute redirect just in case
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         * 6 - If is a leaf check layout to define the use of a layout and get directory@layout to choose layout to forward in struts
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         * 7 - If is a leaf check style to define the use of a style and allays put the object in "body" parameter or directly put content in layout
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         * 8 - If is a leaf check proxy to know if it is an proxied source if it is get content by URL concat or just forward to an internal localhost/context/path
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         *  8.1 in this case check if is to be layout, usuallly will not be laouted but just in case check it.
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         */
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        if(path != null)
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        {
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            try
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            {
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                getServletContext().getRequestDispatcher("/dirLayout.do?directory=" + directory + "&path=" + path + "&" + 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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                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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        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 directory:" + directory + " 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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}