Пример #1
0
 /**
  * Return the relative path associated with this servlet. Taken from DefaultServlet.java. Perhaps
  * this should be put in org.apache.catalina.util somewhere? Seems like it would be widely used.
  *
  * @param request The servlet request we are processing
  */
 public static String getRelativePath(HttpServletRequest request) {
   // Are we being processed by a RequestDispatcher.include()?
   if (request.getAttribute(RequestDispatcher.INCLUDE_REQUEST_URI) != null) {
     String result = (String) request.getAttribute(RequestDispatcher.INCLUDE_PATH_INFO);
     if (result == null)
       result = (String) request.getAttribute(RequestDispatcher.INCLUDE_SERVLET_PATH);
     if ((result == null) || (result.equals(""))) result = "/";
     return (result);
   }
   // No, extract the desired path directly from the request
   String result = request.getPathInfo();
   if (result == null) {
     result = request.getServletPath();
   }
   if ((result == null) || (result.equals(""))) {
     result = "/";
   }
   return RequestUtil.normalize(result);
 }
  /**
   * Return a context-relative path, beginning with a "/", that represents the canonical version of
   * the specified path after ".." and "." elements are resolved out. If the specified path attempts
   * to go outside the boundaries of the current context (i.e. too many ".." path elements are
   * present), return <code>null</code> instead.
   *
   * @param path Path to be normalized
   */
  protected String normalize(String path) {

    return RequestUtil.normalize(path, File.separatorChar == '\\');
  }