tomp.ext.servlet
Class AdvancedServletApplication

java.lang.Object
  |
  +--tomp.ext.Application
        |
        +--tomp.ext.servlet.ServletApplication
              |
              +--tomp.ext.servlet.AdvancedServletApplication

public class AdvancedServletApplication

extends ServletApplication

Class AdvancedServletApplication is an exntesion of the simple ServletApplication.
Calls actions when user is logged using a form-base login (form contains appropriately named input fields user and password and action == login.
The database of users (and admins) is implemented as simply as possible: loaded from Properties in file users.properties. if this file does not exist in the current directory or is not accessible, the user database remain empty and thus no user/admin can log in.

Field Summary

Fields inherited from class tomp.ext.servlet.ServletApplication

initAction, servlet

Fields inherited from class tomp.ext.Application

LOGFILE, NONE, STDERR

Constructor Summary

AdvancedServletApplication(javax.servlet.http.HttpServlet servlet)
Constructor: Registers the "login" actions.

Method Summary

void	init() Load the user database from Properties file (user=password at each non-comment line).
protected UserLoggedAction	makeUserLoggedAction(java.lang.Class id, ServletAction previous, javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String username) Makes an UserLoggedAction.
void	service(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) Actually perfoms the HttpServlet.service(req, res) method that is forwarded to this method by the extended EXTServlet.service(req, res) The method creates and launches actions according to the: HttpSession bound to the request and request parameter action

Methods inherited from class tomp.ext.servlet.ServletApplication

destroy, getServlet, makeInitAction, makeInitAction, makeRequestAction, makeRequestAction, makeStartSessionAction, makeStartSessionAction

Methods inherited from class tomp.ext.Application

allocateEXTName, allocateName, allocateName, allocateNCName, endInputDocument, getActionClass, getCodeForURI, getDefaultMySQLDriver, getDefaultOutputEncoding, getDefaultOutputMethod, getDocumentBuilderFactory, getEmptyAC, getNamePool, getTransformerFactory, id, makeAction, newBuilder, newDocument, newEmptyAC, newNSArrayForName, newTemplates, newTemplatesHandler, registerActionClass, startInputDocument

Methods inherited from class java.lang.Object

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

Constructor Detail

AdvancedServletApplication

public AdvancedServletApplication(javax.servlet.http.HttpServlet servlet)

Constructor: Registers the "login" actions.

Method Detail

init

public void init()
          throws EXTException

Load the user database from Properties file (user=password at each non-comment line).
The file is named "users.properties" and placed in the current directory (i.e. usually the directory from that the web server is launched).

Overrides:

init in class ServletApplication

EXTException

service

public void service(javax.servlet.http.HttpServletRequest req,
                    javax.servlet.http.HttpServletResponse res)
             throws javax.servlet.ServletException,
                    java.io.IOException

Actually perfoms the HttpServlet.service(req, res) method that is forwarded to this method by the extended EXTServlet.service(req, res)
The method creates and launches actions according to the:

• HttpSession bound to the request and
• request parameter action

Overrides:

service in class ServletApplication

javax.servlet.ServletException

java.io.IOException

makeUserLoggedAction

protected UserLoggedAction makeUserLoggedAction(java.lang.Class id,
                                                ServletAction previous,
                                                javax.servlet.http.HttpServletRequest req,
                                                javax.servlet.http.HttpServletResponse res,
                                                java.lang.String username)
                                         throws EXTException

Makes an UserLoggedAction.
There exist two of them: UserLoggedAction and AdminLoggedAction. Other may be defined by user and registered by an extended AdvancedServletApplication.

EXTException