netcharts.server.imagewriter
Class ImageWriter

java.lang.Object
  |
  +--javax.servlet.GenericServlet
        |
        +--javax.servlet.http.HttpServlet
              |
              +--netcharts.server.imagewriter.ImageWriter

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class ImageWriter

extends javax.servlet.http.HttpServlet

See Also:

Serialized Form

Field Summary

static java.lang.String

IMAGE_PARAMETER

Constructor Summary

ImageWriter()

Method Summary

void	destroy() Clean up resources
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Process the HTTP Get request
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Process the HTTP Post request
void	init() Initialize NetCharts Server if necessary
static boolean	writeImage(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Write the image data to the browser.

Methods inherited from class javax.servlet.http.HttpServlet

service

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Detail

IMAGE_PARAMETER

public static final java.lang.String IMAGE_PARAMETER

Constructor Detail

ImageWriter

public ImageWriter()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Initialize NetCharts Server if necessary

Overrides:

init in class javax.servlet.GenericServlet

doGet

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

Process the HTTP Get request

doPost

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

Process the HTTP Post request

writeImage

public static boolean writeImage(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response)

Write the image data to the browser.

Parameters:

request - The current request handed to the servlet.

response - The current response handed to the servlet.

Returns:

true if writing the image was successful, false otherwise.

destroy

public void destroy()

Clean up resources

Overrides:

destroy in class javax.servlet.GenericServlet