project.biota.servlet
Class DiGIRProviderServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          project.biota.servlet.DiGIRProviderServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class DiGIRProviderServlet

extends HttpServlet

The servlet of the Biota DiGIR Provider. The servlet delegate all the work to DiGIRRequestHandler to process the DiGIR query.

To plug in a custom servlet to run this application, do the following:
- call BiotaUtils.initializeResources() in the contextInitialized() method of the servet's ServletContextListner class
- invoke the DiGIRRequestHandler.processDiGIRQuery() method whenever the servlet's doPost()/doGet() methods are called during the lifetime of the servlet

Author:

Kimmy Lin

See Also:

DiGIRRequestHandler, Serialized Form

Constructor Summary

DiGIRProviderServlet()

Method Summary

void	destroy() Called by the servlet container to indicate to a servlet that the servlet is being taken out of service.
void	doGet(HttpServletRequest request, HttpServletResponse response) Called by the server (via the service method) to allow a servlet to handle a GET request.
void	doPost(HttpServletRequest request, HttpServletResponse response) Called by the server (via the service method) to allow a servlet to handle a POST request.
void	init() Called by the servlet container to indicate to a servlet that the servlet is being placed into service.

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

DiGIRProviderServlet

public DiGIRProviderServlet()

Method Detail

init

public void init()
          throws ServletException

Called by the servlet container to indicate to a servlet that the servlet is being placed into service.

Throws:

ServletException - if an exception has occurred that interferes with the servlet's normal operation

destroy

public void destroy()

Called by the servlet container to indicate to a servlet that the servlet is being taken out of service.

doGet

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

Called by the server (via the service method) to allow a servlet to handle a GET request. It simply calls doPost().

Parameters:

request - the HttpServletRequest received by the servlet

response - the HttpServletResponse of the servlet

Throws:

ServletException - if the request for the GET could not be handled

IOException - if an input or output error is detected when the servlet handles the GET request

See Also:

doPost(HttpServletRequest, HttpServletResponse)

doPost

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

Called by the server (via the service method) to allow a servlet to handle a POST request. It simply calls DiGIRRequestHandler.processDiGIRQuery() to do the work.

Parameters:

request - the HttpServletRequest received by the servlet

response - the HttpServletResponse of the servlet

Throws:

ServletException - if the request for the POST could not be handled

IOException - if an input or output error is detected when the servlet handles the POST request