After doing some further research, in all likelyhood this can't be done. However, a fairly simple work around is to have a JSP with a servlet as the image source (<img src="/servlet/chartRender>").
The information necessary to dynamically create the image can be pulled from a session object. Mike PS. JFreeChart seems to be an excellent open source resource for chart creation: http://www.jrefinery.com/jfreechart/ --- Mike Duffy <[EMAIL PROTECTED]> wrote: > The tech tip below shows how to dynamically create an image within > a > servlet and send it to the output stream. > > http://developer.java.sun.com/developer/JDCTechTips/2001/tt0821_update.html > > In most cases developers want to send both HTML text and images > when > dynamically creating a web page. How can this be done? > > "The Servlet specification requires that servlets not call both > ServletResponse.getOutputStream() and ServletResponse.getWriter(). > " > > So, the only way I can think of doing this (images and HTML) is to > transform the HTML text into a byte array and use the method > write(byte[] b) from the class OutputStream. > > Can anyone think of a more elegant way to do this? > > Also, "Because JSP pages already call getWriter(), they must not > also > call getOutputStream()." I think this means that it is impossible > to > dynamically create images from a JSP (which was the point of the > tech > tip above). > > Can anyone think of a way to dynamically generate images within a > JSP? > > Mike > > __________________________________________________ > Do You Yahoo!? > Send FREE Valentine eCards with Yahoo! Greetings! > http://greetings.yahoo.com > > =========================================================================== > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > JSP-INTEREST". > For digest: mailto [EMAIL PROTECTED] with body: "set > JSP-INTEREST DIGEST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://archives.java.sun.com/jsp-interest.html > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.jsp > http://www.jguru.com/faq/index.jsp > http://www.jspinsider.com __________________________________________________ Do You Yahoo!? Send FREE Valentine eCards with Yahoo! Greetings! http://greetings.yahoo.com =========================================================================== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
