Just something out of the head. Maybe you could try listeners in 2.3 version. Though it reads the changes to ServletContext and HttpSession. You could bind your image with a session, and use the methods
void attributeAdded (HttpSessionBindingEvent se) void attributeRemoved (HttpSessionBindingEvent se) void attributeReplaced (HttpSessionBindingEvent se) Just my 2c. Regards, Vikramjit Singh, GTL Ltd. Ph. (022) 7612929-1059 > -----Original Message----- > From: Carl Woermann [mailto:carlwoermann@;YAHOO.CO.UK] > Sent: Tuesday, October 29, 2002 3:33 AM > To: [EMAIL PROTECTED] > Subject: How to contiunally update an image? > > > Hi all, > > this is proably a bit of a newbie question..(and probably a > html problem..) > > I'm trying to write a servlet that displays an image which > gets updated as > soon as the image is loaded, i.e. the image has to be "live". > > Im fairly happy with how to send the image, but can't work > out how to send > the new image(generated from live data) once (and only once) > the browser has > fully loaded the "old" image. > Also, how do I replace the image only once the full image is > availiable? > > Thanks > CARL WOERMANN > > __________________________________________________ > Do You Yahoo!? > Everything you'll ever need on one web page > from News and Sport to Email and Music Charts > http://uk.my.yahoo.com > > ______________________________________________________________ > _____________ > To unsubscribe, send email to [EMAIL PROTECTED] and > include in the body > of the message "signoff SERVLET-INTEREST". > > Archives: http://archives.java.sun.com/archives/servlet-interest.html > Resources: > http://java.sun.com/products/servlet/external-resources.html > LISTSERV Help: http://www.lsoft.com/manuals/user/user.html > Disclaimer: This e-mail message along with any attachments is intended only for the addressee and may contain confidential and privileged information of GTL Limited. If the reader of this message is not the intended recipient, you are notified that any dissemination, distribution or copy of this communication is strictly prohibited. If you have received this message by error, please notify us immediately, return the original mail to the sender and delete the message from your system. ___________________________________________________________________________ To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff SERVLET-INTEREST". Archives: http://archives.java.sun.com/archives/servlet-interest.html Resources: http://java.sun.com/products/servlet/external-resources.html LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
