Makes sense. I was hoping to do dashboard type implementation with Jfreecharts where the ajax call to get the new chart based on a timer thats why I did not want to persist the chart somewhere.
Frank W. Zammetti wrote: > > In general with AJAX this isn't possible... there's no way at present to > insert binary data, be it an image, PDF, whatever, into the page, and have > the browser render it. > > What you would have to do is return HTML instead, which includes an > tag pointing to the image on the server, which in this case would be your > chart, written out somewhere with some ID. For instance, you might write > it to a database, using some unique identifier for the user as a key, and > then your tag points to an Action, with the ID as a query string, > that retrieves the image from the database based on the ID. > > So it would go something like: > > User clicks generate chart button --> Server generates chart, writes to DB > ---> Return HTML like getChart.action?id=1234 --> HTML > inserted into page, browser requests getChart.action to get image, which > is an Action, not an image --> Action retrieves image from DB and returns > it --> Chart displayed > > Frank > > -- > Frank W. Zammetti > Founder and Chief Software Architect > Omnytex Technologies > http://www.omnytex.com > AIM/Yahoo: fzammetti > MSN: [EMAIL PROTECTED] > Author of "Practical Ajax Projects With Java Technology" > (2006, Apress, ISBN 1-59059-695-1) > and "JavaScript, DOM Scripting and Ajax Projects" > (2007, Apress, ISBN 1-59059-816-4) > Java Web Parts - http://javawebparts.sourceforge.net > Supplying the wheel, so you don't have to reinvent it! > > On Fri, July 13, 2007 9:54 am, travers wrote: >> >> Hi is it possible to specify href in <s:div to render content as an image >> ? >> I have a struts2 action returning a JfreeChart chart as png. >> >> Without ajax, <image src="/chart/ViewChart.action"/> shows the chart >> correctly, but the following renders it as text (well actually the binary >> stuff inside the png) >> >> <s:url id="ajaxCallUrl" value="/chart/ViewChart.action"/> >> <s:div theme="ajax" >> href="%{ajaxCallUrl}" loadingText="Loading Chart..."> >> </s:div> >> >> -- >> View this message in context: >> http://www.nabble.com/Rendering-an-image-into-%3Cs%3Adiv-from-ajax-tf4074632.html#a11580059 >> Sent from the Struts - User mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/Rendering-an-image-into-%3Cs%3Adiv-from-ajax-tf4074632.html#a11580993 Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
