All Annotations of ONJava.com -- How Servlet Containers Work[Preview]

saved byMyer on 2006-08-24

• The Servlet interface has five methods, whose signatures are as
  follows:

  
  
  

  
  
  

  • public void init(ServletConfig config) throws ServletException

  
  
  

  • public void service(ServletRequest request, ServletResponse response)
    	throws ServletException, java.io.IOException

  
  
  

  • public void destroy()

  
  
  

  • public ServletConfig getServletConfig()

  
  
  

  • public java.lang.String getServletInfo()

• This method is called only after all threads within the servlet's
  service method have exited or after a timeout period has passed
• • When the servlet is called for the first time, load the servlet class and
    call its init method (once only).
  
  
  
  • For each request, construct an instance of
    javax.servlet.ServletRequest and an instance of
    javax.servlet.ServletResponse.
  
  
  
  • Invoke the servlet's service method, passing the
    ServletRequest and ServletResponse objects.
  
  
  
  • When the servlet class is shut down, call the servlet's
    destroy method and unload the servlet class.