DO NOT REPLY [Bug 34000] - the attribute "url-pattern" of web.xml doesn't work properly on mapping by extenstions

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http://issues.apache.org/bugzilla/show_bug.cgi?id=34000





------- Additional Comments From [EMAIL PROTECTED]  2005-03-15 03:59 -------
here is the GUIJsGetter servlet

/*
 * SupportWizard 2
 *
 * Copyright (C) 2001 ISC corp. All Rights Reserved.
 *
 * $Id: GUIJsGetter,v 1.44 2005/02/03 15:24:34 grig Exp $
 */

package com.supportwizard.gui2.servlets.system;

import com.supportwizard.utils.RevisionHelper;
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Category;
import org.apache.log4j.Logger;

/**
 * javascript getter
 * @author Grigory Danileyko
 */
public class GUIJsGetter extends HttpServlet {

  private final static String CONTENT_TYPE_VALUE = "text/javascript";
  private static final String CACHE_CONTROL_KEY = "Cache-Control";
  private static final String PRIVATE_CACHE_VALUE = "private";
  private static final String STORING_RULES = "max-age=" + 1 + ", must-
revalidate";

  /**
   * logger instance
   */
  private final static Category log = Logger.getInstance(GUIJsGetter.class);

  protected void doPost(HttpServletRequest request, HttpServletResponse 
response) throws IOException {
    response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
  }

  /**
   * do get
   * @param request
   * @param response
   * @throws ServletException
   * @throws IOException
   */
  protected void doGet(HttpServletRequest request, HttpServletResponse 
response) throws ServletException, IOException {
    final File file = getFileInfo(request);
    if (!file.getPath().endsWith(".js")) {
      log.warn(file.getPath() + " is not javascript page.");
      throw new ServletException("it is not a javascript page");

    } else {
      log.warn("doGet for " + file.getPath());
      if (file.exists()) {
        try {
          doContentInfo(response, file.length());
          doFile(file, response);
        } catch (IOException e) {
          log.error(e);
          response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        }
      } else {
        log.error("the requested file " + file.getPath() + " not found");
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
      }
    }
  }

  private final File getFileInfo(final HttpServletRequest newRequest) {
    final String path = getServletContext().getRealPath
(newRequest.getServletPath());
    return new File(path);
  }

  protected void doHead(HttpServletRequest request, HttpServletResponse 
response) throws ServletException, IOException {
    final File file = getFileInfo(request);
    log.warn("doHead for " + file.getPath());
    if (file.exists()) {
      doContentInfo(response, file.length());

    } else {
      response.sendError(HttpServletResponse.SC_NOT_FOUND);
    }
  }

  /**
   * reads the requested file and put out it to browser.
   * @param newFile
   * @param response
   * @throws IOException
   */
  private static final void doFile(final File newFile, final 
HttpServletResponse response) throws IOException {
    final PrintWriter out = response.getWriter();
    final BufferedReader reader = new BufferedReader(new FileReader(newFile));
    try {
      String line;
      while ((line = reader.readLine()) != null)
        out.println(line);

    } finally {
      reader.close();
    }
  }

  protected long getLastModified(final HttpServletRequest request) {
    final String path = getServletContext().getRealPath(request.getServletPath
());
    final File file = new File(path);
    log.warn("getLastModified for " + path);
    return Math.max(RevisionHelper.getBuildDateUtc(), file.lastModified());
  }

  private final static void doContentInfo(final HttpServletResponse response, 
final long newLength) {
    response.setContentLength((int) newLength);
    response.setContentType(CONTENT_TYPE_VALUE);
    response.setHeader(CACHE_CONTROL_KEY, PRIVATE_CACHE_VALUE);
    response.setHeader(CACHE_CONTROL_KEY, STORING_RULES);
  }
}


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