Howdy, Flush the output writer whenever you feel like it: its contents will be sent to the browser even while your servlet is still processing.
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Unternaehrer Stefano [mailto:[EMAIL PROTECTED] >Sent: Wednesday, August 20, 2003 3:56 AM >To: Tomcat Users List; [EMAIL PROTECTED] >Subject: R: How to send back data without to wait for the complete page. > >Thank you Mike. >Yes I could write a "please wait" and than display all the result. >But I would prefer the replay "piece by piece", when possible. >Look at this example: http://www.chvk.ch/ this is not in english >but easy to use.. this is a meta-catalog which permit you to search >a book on different libraries. Just type for example "cinema" in the >Titel field (title) and click "Starten" (start search). > >You will receive a search result which composed of different html >tables, one for each library. As you can see, first comes quickly >then others appears later. That's GREAT! I want do that!! :-) > >Best regards, >Stefano > >-----Messaggio originale----- >Da: Mike Cherichetti (Renegade Internet) >[mailto:[EMAIL PROTECTED] >Inviato: mercoledì, 20. agosto 2003 08:22 >A: Tomcat Users List >Oggetto: RE: How to send back data without to wait for the complete >page. > > >Stefano, > >You would probably be better off creating a thread to run this lengthy >process in the background and have your Servlet send back a "please wait" >response and refresh automatically after several seconds to check the >status >until it completes and you can display all of the results. If you're set >on >doing it though, look for a way to manually flush output from a JSP. I'm >not sure how to do that or if you can (I'm sure you probably can, I just >haven't ever had the need to do it). But, be careful if you're displaying >these rows in a table. Netscape (I'm not sure if this holds true for newer >Gecko powered versions) for example won't render a table until it's >received >the whole thing. > >Hope that helps, >Mike > >-----Original Message----- >From: Unternaehrer Stefano [mailto:[EMAIL PROTECTED] >Sent: Wednesday, August 20, 2003 1:42 AM >To: [EMAIL PROTECTED] >Subject: How to send back data without to wait for the complete page. > > >Hello all. >Hope the subject explains what I mean. >I even don't know how to call that, so cannot >search it in archives, and don't know if this >behaviour can be setted for a specific jsp page >or at tomcat configuration level. > >I have a page wich requires some time to be >executed, you can imagine to receive a table >with different rows, where every row require >some time to be prepared. I would like that >the used doesn't need to wait for the last >row to be ready before to see something, >but instead that it will see the first rows >as soon as possible, than others following >when ready. Is this possible with tomcat? >I'm using version 3.2.1 but can upgrade >when required. > >Thank you and best regards, >Stefano >--- >Stefano Unternaehrer >IT System Administrator >Sistema bibliotecario ticinese >Bellinzona Ticino Switzerland >[EMAIL PROTECTED] >www.sbt.ti.ch (091 814 1513) > >--------------------------------------------------------------------- >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] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
