org.dbforms.servlets
Class ConfigServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.dbforms.servlets.ConfigServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class ConfigServlet
extends HttpServlet

This Servlet runs at application startup and reads the XML configuration in dbforms-config.xml, populates a DbFormsConfig - Object and stores it in application context.

Author:

Joe Peer

See Also:

Serialized Form

Constructor Summary

ConfigServlet()

Method Summary

void	destroy() Gracefully shut down this controller servlet, releasing any resources that were allocated at initialization.
void	doGet(HttpServletRequest request, HttpServletResponse response) Process an HTTP "GET" request.
void	doPost(HttpServletRequest request, HttpServletResponse response) Process an HTTP "POST" request.
void	init() Initialize this servlet.
protected void	initApplicationResources() Initialize the SubClass information use by the ResourceBundle for this application.
protected void	initLocaleKey() Initialize the Locale key for Session scope.
void	initLogging() Initialize Logging for this web application a url/path to a log4j properties or xml file should be defined by the servlet init parameter "log4j.configuration"
protected void	initXMLConfig() Initialize the mapping information for this application.
protected void	initXMLConfigFile(String config) DOCUMENT ME!
protected void	initXMLErrors() Initialize the mapping information for this application.
protected void	initXMLValidator() Initialize the ValidatorResources information for this application.
protected void	initXMLValidatorRules(ValidatorResources resources, String validator_rules) DOCUMENT ME!
protected void	initXMLValidatorValidation(ValidatorResources resources, String validation) DOCUMENT ME!
protected void	process(HttpServletRequest request, HttpServletResponse response) Process an HTTP request.

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigServlet

public ConfigServlet()

Method Detail

destroy

public void destroy()

Gracefully shut down this controller servlet, releasing any resources that were allocated at initialization.

Specified by:

destroy in interface Servlet

Overrides:

destroy in class GenericServlet

doGet

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

Process an HTTP "GET" request.

Overrides:

doGet in class HttpServlet

Parameters:

request - The servlet request we are processing

response - The servlet response we are creating

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet exception occurs

doPost

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

Process an HTTP "POST" request.

Overrides:

doPost in class HttpServlet

Parameters:

request - The servlet request we are processing

response - The servlet response we are creating

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet exception occurs

init

public void init()
          throws ServletException

Initialize this servlet.

Overrides:

init in class GenericServlet

Throws:

ServletException - if we cannot configure ourselves correctly

initLogging

public void initLogging()

Initialize Logging for this web application a url/path to a log4j properties or xml file should be defined by the servlet init parameter "log4j.configuration"

initApplicationResources

protected void initApplicationResources()

Initialize the SubClass information use by the ResourceBundle for this application. ATTENTION: Here the "application" it's use as Class name, not like path/file coordonnates. (see java.util.ResourceBundle)

Throws:

IOException - if an input/output error is encountered

ServletException - if we cannot initialize these resources

initLocaleKey

protected void initLocaleKey()

Initialize the Locale key for Session scope. Usefull for sharing the same Locale across different framework. Ex: By setting "localeKey" to "org.apache.struts.action.LOCALE" you can share the same Locale in the session scope with Struts.

initXMLConfig

protected void initXMLConfig()
                      throws IOException,
                             ServletException

Initialize the mapping information for this application.

Throws:

IOException - if an input/output error is encountered

ServletException - if we cannot initialize these resources

initXMLConfigFile

protected void initXMLConfigFile(String config)
                          throws IOException,
                                 ServletException

DOCUMENT ME!

Parameters:

config - DOCUMENT ME!

Throws:

IOException - DOCUMENT ME!

ServletException - DOCUMENT ME!

initXMLErrors

protected void initXMLErrors()
                      throws IOException,
                             ServletException

Initialize the mapping information for this application.

Throws:

IOException - if an input/output error is encountered

ServletException - if we cannot initialize these resources

initXMLValidator

protected void initXMLValidator()
                         throws ServletException

Initialize the ValidatorResources information for this application.

Throws:

IOException - if an input/output error is encountered

ServletException - if we cannot initialize these resources

initXMLValidatorRules

protected void initXMLValidatorRules(ValidatorResources resources,
                                     String validator_rules)
                              throws ServletException

DOCUMENT ME!

Parameters:

resources - DOCUMENT ME!

validator_rules - DOCUMENT ME!

Throws:

IOException - DOCUMENT ME!

ServletException - DOCUMENT ME!

initXMLValidatorValidation

protected void initXMLValidatorValidation(ValidatorResources resources,
                                          String validation)
                                   throws ServletException

DOCUMENT ME!

Parameters:

resources - DOCUMENT ME!

validation - DOCUMENT ME!

Throws:

IOException - DOCUMENT ME!

ServletException - DOCUMENT ME!

process

protected void process(HttpServletRequest request,
                       HttpServletResponse response)
                throws IOException

Process an HTTP request.

Parameters:

request - The servlet request we are processing

response - The servlet response we are creating

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet exception occurs