com.revolsys.ui.web.servlet

Class IafServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.revolsys.ui.web.servlet.IafServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public final class IafServlet
extends javax.servlet.http.HttpServlet

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IafServlet()

Method Summary

Methods

Modifier and Type	Method and Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handle the GET request.
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handle the POST request.
void	forward(String path, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Forward the request to the specified resource.
void	init(javax.servlet.ServletConfig config) Initialise the servlet.
void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Process the service request, uses the full path name of the request to finds the page definition.

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, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

IafServlet

public IafServlet()

Method Detail

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
         javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
                  IOException

Handle the GET request. Calls processRequest to handle the request.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - the parameters of the client request

response - the response sent back to the client

Throws:

javax.servlet.ServletException - if there was a problem handling the request

IOException - if an input output error occurs when handling the request

doPost

public void doPost(javax.servlet.http.HttpServletRequest request,
          javax.servlet.http.HttpServletResponse response)
            throws javax.servlet.ServletException,
                   IOException

Handle the POST request. Calls processRequest to handle the request.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

request - the parameters of the client request

response - the response sent back to the client

Throws:

javax.servlet.ServletException - if there was a problem handling the request

IOException - if an input output error occurs when handling the request

forward

public void forward(String path,
           javax.servlet.http.HttpServletRequest request,
           javax.servlet.http.HttpServletResponse response)
             throws javax.servlet.ServletException,
                    IOException

Forward the request to the specified resource.

Parameters:

path - the path to the resource to forward to

request - the parameters of the client request

response - the response sent back to the client

Throws:

javax.servlet.ServletException - if there was a problem handling the request

IOException - if an input output error occurs when handling the request

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Initialise the servlet. Loads the configuration from the /WEB-INF/nice-config.xml file.

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Parameters:

config - The servlet configuration parameters

Throws:

javax.servlet.ServletException - if there was a problem initialising the servlet

processRequest

public void processRequest(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
                    throws javax.servlet.ServletException,
                           IOException

Process the service request, uses the full path name of the request to finds the page definition. The component heirarchy, list of request processors and the menu tree from the config are used to handle the request. If a PageNotFoundException was thrown by any of the request processors a 404 response error code is set and no further processing is performed. If a RedirectException is thrown the response is redirected to the url from the exception.

Parameters:

request - the servlet request

response - the servlet response

Throws:

javax.servlet.ServletException - if any unhandled exceptions occured during the processing of the request

IOException - if there was a problem sending data to the client

See Also:

PageNotFoundException, RedirectException