org.alltimeflashdreamer.filelister
Class AbstractFileListerServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.alltimeflashdreamer.filelister.AbstractFileListerServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

Direct Known Subclasses:

FileListerControllerServlet, FileListerDownloadServlet, FileListerViewerServlet

public abstract class AbstractFileListerServlet

extends HttpServlet

Title: AbstractFileListerServlet

Description: This servlet is the superclass of each FileLister servlet and provides the commonly used methods for the extending classes, such as the printing of the error site(s) or the DimDom access method.

Organization: All Time Flash Dreamer

Version:

0.5.1

Author:

Copyright (c) 2002-2004 by Florian Steinsiepe

See Also:

Serialized Form

Field Summary

static String

CONFIGCLASSNAME Stores the name of the config class for quick access by extending classes

Constructor Summary

AbstractFileListerServlet()

Method Summary

void	doGet(HttpServletRequest request, HttpServletResponse response) Redirects the client to the doPost method, so it doesn't matter whether the call was through the get or the post method.
abstract void	doPost(HttpServletRequest request, HttpServletResponse response) (abstract declaration, to be implemented by extending classes)
static void	showErrorSite(FileListerException fle, HttpServletResponse response, FileListerConfig fileListerConfig) Initializes the appropriate procedure to show the given error to the user.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONFIGCLASSNAME

public static final String CONFIGCLASSNAME

Stores the name of the config class for quick access by extending classes

Constructor Detail

AbstractFileListerServlet

public AbstractFileListerServlet()

Method Detail

doGet

public void doGet(HttpServletRequest request,
                  HttpServletResponse response)
           throws ServletException,
                  IOException

Redirects the client to the doPost method, so it doesn't matter whether the call was through the get or the post method.

Parameters:

request - the request object to read URL stuff from

response - the response object to send stuff to

Throws:

ServletException - as defined in the superclass

IOException - as defined in the superclass

doPost

public abstract void doPost(HttpServletRequest request,
                            HttpServletResponse response)
                     throws ServletException,
                            IOException

(abstract declaration, to be implemented by extending classes)

Parameters:

request - the request object to read URL stuff from

response - the response object to send stuff to

Throws:

ServletException - as defined in the superclass

IOException - as defined in the superclass

showErrorSite

public static void showErrorSite(FileListerException fle,
                                 HttpServletResponse response,
                                 FileListerConfig fileListerConfig)
                          throws ServletException,
                                 IOException

Initializes the appropriate procedure to show the given error to the user.

Parameters:

fle - the FileListerException to show

response - the response to use for redirects

fileListerConfig - the magic config object

Throws:

ServletException - if the ErrorSiteProcessor itself catches an exception

IOException - if the redirect to the error site somehow failed