Skip to site navigation (Press enter)
Re:
- dynamicaly generated pages</span></a></span> </h1> <p class="darkgray font13"> <span class="sender pipe"><a href="/search?l=tomcat-user@jakarta.apache.org&q=from:%22Rostislav+Svoboda%22" rel="nofollow"><span itemprop="author" itemscope itemtype="http://schema.org/Person"><span itemprop="name">Rostislav Svoboda</span></span></a></span> <span class="date"><a href="/search?l=tomcat-user@jakarta.apache.org&q=date:20040525" rel="nofollow">Tue, 25 May 2004 07:48:53 -0700</a></span> </p> </div> <div itemprop="articleBody" class="msgBody"> <!--X-Body-of-Message--> <pre style="margin: 0em;">Hi Antonio</pre><br> <pre style="margin: 0em;">it took me a while to turn the ideas to a real - that's why i answer so late</pre><br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><tt>If you *really* need to generate the files statically, </tt></blockquote><pre style="margin: 0em;"><br>yes i think i need to .. see below</pre><br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><tt>- You can simply use the session ID as identifier, you do not need the user name. </tt></blockquote><pre style="margin: 0em;"><br>i do use session id as the identifier but i had to extend it with instance identifier ... see below</pre><br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><tt>- You should take care of cleanup on session expiry/invalidation. Think "Listener" for that. </tt></blockquote><tt><br>i call him "static Thread victor_the_cleaner;" :) it's not fully implemented yet it's gonna be my favourite part of code :)</tt><br> <br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><tt>- You can store the file creation time in your HttpSession so you need not use a database for such a temporary purpose.</tt><br> <br> <pre style="margin: 0em;">But...</pre><br> <tt>- Is the file so "difficult" to create that you can't build it every time? IMHO, that would save you trouble. </tt></blockquote><tt><br>yes it is quite difficult - i gotta run a recursive select, store the resulst as javascript code and do some statistics about it, so finally it takes sa while to get the page in a browser</tt><br> <br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><tt>- If it is, that's many times because of a too hard query to a database, or too many small queries. Can't you optimize that big query, or reduce the amount of them? Query optimization can lead you to really improved times. If you go this path, please let me know. </tt></blockquote><tt><br>I decided to make a compromise: I've got a few small selects called only<br> a couple of times. the rest of selects is rather long but as plain as<br> possible (max 1 nesting). Whereby i try to store a racional amount of info from these queries in servlet variables which are stored in ArrayLists:</tt><br> <br> <tt>1. a list of all single users logged in the webapp, which contains request and response variables (i.e. session identification) and<br> 2. a sublist of instancies (i.e opened windows) of the single user<br> which contains for example connect_string to a dbase</tt><br> <br> <tt>If it's faster, I keep user specific data in files so the matrix is represented by directory structure:<br> <path>/<username>/<session_id>/<instance_id>/file.extention</tt><br> <br> <tt>where i had to extend the identification by session_id with instance_id<br> because if user opens another browser window then the session_id remains<br> the same so the connect strings would be overwritten if user decides to connect to another dbase server</tt><br> <br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;">Or...</pre><br> <tt>- You could use a generic caching system. Some time ago, I came across <a href="http://www.opensymphony.com/oscache/">http://www.opensymphony.com/oscache/</a> but I have not tried it yet. I do not know if it would match your needs. </tt></blockquote><tt><br>i didn't really check it. it didn't atracted me enough somehow </tt><br> <br> <tt>thx again </tt><br> <br> <pre style="margin: 0em;">EOF</pre><br> <pre style="margin: 0em;">Bost</pre><br> <blockquote style="border-left: #5555EE solid 0.2em; margin: 0em; padding-left: 0.85em"><pre style="margin: 0em;">Yours,</pre><br> <pre style="margin: 0em;"><br>Antonio Fiol</pre><br> <pre style="margin: 0em;"><br></pre><br> <pre style="margin: 0em;">Rostislav Svoboda wrote:</pre><br> <tt>> Hi pple<br> ><br> > I make an information system: dbase(data) + tomcat(processing in > servlets) + browser(html GUI) = The COOL<br> ><br> > I use <iframe src="path/udp.html"> where "udp.html" is dynamicaly > generated in a servlet and depends on an user logged in. (it displays > navigation tree)<br> ><br> > It seems like I need to have a matrix of:<br> > udp.user_1.session_id_1.html ... udp.user_1.session_id_N.html<br> > ...<br> > udp.user_M.session_id_1.html ... udp.user_M.session_id_N.html<br> ><br> > and I must check the time-of-change of certain tables in dbase against > session-create-time under tomcat and regenerate the content of > "udp.user_I.session_id_I.html" if outdated.<br> ><br> > - principialy I doubt this is the right approach to display such kind > of a page but I dunno any other :( Any ideas?<br> > - the technical problem: I dunno how to setup/configure my tomcat to > display<br> > requested "udp.user_I.session_id_I.html". If I create a file in a > servlet on a HDD (even properly located) I get an error message in the > iframe:<br> ><br> > HTTP Status 404 - /webapp/tree/index.ADMIN.html<br> > The requested resource (/webapp/tree/index.ADMIN.html) is not > available.<br> ><br> ><br> > EOF & thx in advance<br> ><br> > Bost</tt><br> <br> </blockquote><pre style="margin: 0em;"><br>--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]</pre><br></pre><pre> </div> <div class="msgButtons margintopdouble"> <ul class="overflow"> <li class="msgButtonItems"><a class="button buttonleft " accesskey="p" href="msg122460.html">Previous message</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="c" href="index.html#127919">View by thread</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="i" href="maillist.html#127919">View by date</a></li> <li class="msgButtonItems textalignright"><a class="button buttonright " accesskey="n" href="msg122380.html">Next message</a></li> </ul> </div> <a name="tslice"></a> <div class="tSliceList margintopdouble"> <ul class="icons monospace"> <li class="icons-email"><span class="subject"><a href="msg122373.html"><iframe> - dynamicaly generated pages</a></span> <span class="sender italic">Rostislav Svoboda</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg122460.html">Re: <iframe> - dynamicaly generated pages</a></span> <span class="sender italic">Antonio Fiol Bonn�n</span></li> <li class="icons-email tSliceCur"><span class="subject"></span> <span class="sender italic">Rostislav Svoboda</span></li> </ul> </ul> </div> <div class="overflow msgActions margintopdouble"> <div class="msgReply" > <h2> Reply via email to </h2> <form method="POST" action="/mailto.php"> <input type="hidden" name="subject" value="Re: <iframe> - dynamicaly generated pages"> <input type="hidden" name="msgid" value="40B35CB2.8010407@pobox.sk"> <input type="hidden" name="relpath" value="tomcat-user@jakarta.apache.org/msg127919.html"> <input type="submit" value=" Rostislav Svoboda "> </form> </div> </div> </div> <div class="aside" role="complementary"> <div class="logo"> <a href="/"><img src="/logo.png" width=247 height=88 alt="The Mail Archive"></a> </div> <form class="overflow" action="/search" method="get"> <input type="hidden" name="l" value="tomcat-user@jakarta.apache.org"> <label class="hidden" for="q">Search the site</label> <input class="submittext" type="text" id="q" name="q" placeholder="Search tomcat-user"> <input class="submitbutton" name="submit" type="image" src="/submit.png" alt="Submit"> </form> <div class="nav margintop" id="nav" role="navigation"> <ul class="icons font16"> <li class="icons-home"><a href="/">The Mail Archive home</a></li> <li class="icons-list"><a href="/tomcat-user@jakarta.apache.org/">tomcat-user - all messages</a></li> <li class="icons-about"><a href="/tomcat-user@jakarta.apache.org/info.html">tomcat-user - about the list</a></li> <li class="icons-expand"><a href="/search?l=tomcat-user@jakarta.apache.org&q=subject:%22Re%5C%3A+%3Ciframe%3E+%5C-+dynamicaly+generated+pages%22&o=newest&f=1" title="e" id="e">Expand</a></li> <li class="icons-prev"><a href="msg122460.html" title="p">Previous message</a></li> <li class="icons-next"><a href="msg122380.html" title="n">Next message</a></li> </ul> </div> <div class="listlogo margintopdouble"> </div> <div class="margintopdouble"> </div> </div> </div> <div class="footer" role="contentinfo"> <ul> <li><a href="/">The Mail Archive home</a></li> <li><a href="/faq.html#newlist">Add your mailing list</a></li> <li><a href="/faq.html">FAQ</a></li> <li><a href="/faq.html#support">Support</a></li> <li><a href="/faq.html#privacy">Privacy</a></li> <li class="darkgray">40B35CB2.8010407@pobox.sk</li> </ul> </div> </body> </html> <script>(function(){function c(){var b=a.contentDocument||a.contentWindow.document;if(b){var d=b.createElement('script');d.innerHTML="window.__CF$cv$params={r:'9c5707849f073337',t:'MTc2OTY3MTg4MA=='};var a=document.createElement('script');a.src='/cdn-cgi/challenge-platform/scripts/jsd/main.js';document.getElementsByTagName('head')[0].appendChild(a);";b.getElementsByTagName('head')[0].appendChild(d)}}if(document.body){var a=document.createElement('iframe');a.height=1;a.width=1;a.style.position='absolute';a.style.top=0;a.style.left=0;a.style.border='none';a.style.visibility='hidden';document.body.appendChild(a);if('loading'!==document.readyState)c();else if(window.addEventListener)document.addEventListener('DOMContentLoaded',c);else{var e=document.onreadystatechange||function(){};document.onreadystatechange=function(b){e(b);'loading'!==document.readyState&&(document.onreadystatechange=e,c())}}}})();</script>