oracle.cabo.image.servlet
Class ImageServlet

java.lang.Object
  |
  +--javax.servlet.GenericServlet
        |
        +--javax.servlet.http.HttpServlet
              |
              +--oracle.cabo.image.servlet.ImageServlet

All Implemented Interfaces:

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

Direct Known Subclasses:

TecateServlet

public class ImageServlet

extends javax.servlet.http.HttpServlet

The ImageServlet provides an image generation service for the FileSystemImageCache. The ImageServlet allows image generation work to be offloaded from one middle-tier machine to another. This ability is especially useful for middle-tier environments where image generation is not possible, such as Unix "headless" environments.

To enable image generation via the ImageServlet, the ImageServlet must be deployed on a network accessible by the client middle-tier machines. The FileSystemImageCache can be configured to utilize the ImageServlet for image generation by setting the Configuration.IMAGE_SERVLET_URL property to the base URL of the ImageServlet.

See Also:

FileSystemImageCache, Configuration, Serialized Form

Constructor Summary

ImageServlet()

Method Summary

protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes a get request.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes a post request.

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageServlet

public ImageServlet()

Method Detail

doGet

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

Processes a get request.

Overrides:

doGet in class javax.servlet.http.HttpServlet

doPost

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

Processes a post request.

Overrides:

doPost in class javax.servlet.http.HttpServlet