JSTL doesn't currently support explicit file operations, but you can use <c:import> to test for the existence of files. There's a new <c:catch> tag which lets you handle errors -- such as an IOException -- in your page. If you write
<c:catch var="potentialError"> <c:import ... /> </c:catch> you can "speculatively" try to import a file and determine whether it failed or not. This does, in many ways, approach the feared "programming with tags" models, so I don't particularly recommend it for larger applications; it might be better simply to design a custom tag library that handles all of your application-specific file-management needs. But this JSTL-based option is available to you if you find it useful. -- Shawn Bayern Author, "JSP Standard Tag Library" http://www.jstlbook.com (coming this spring from Manning Publications) On Mon, 11 Mar 2002, Agrawal, Anuj (Anuj)** CTR ** wrote: > I didn't see any responses to this, so let me try one more time. Anyone? > Please? > > > -----Original Message----- > > From: Agrawal, Anuj (Anuj)** CTR ** > > Sent: Friday, March 08, 2002 11:33 PM > > To: 'Jakarta Tag Libraries Users List' > > Subject: checking for files > > > > I'd like to to be able to test if a file (in the particular web context) > > exists. > > > > e.g. in my webapp, i have an images directory which contains a bunch of > > jpegs (1.jpg, 2.jpg, etc). I'd like to programmatically test (using JSTL > > tags or any other taglib) if a particular file (e.g. 3.jpg) exists. > > > > Is this even possible? > > Thanks. > > Anuj. > > > > PS: i know i can do it using scriptlets and File object, but the "problem" > > is that my values are coming from a database query using JSTL sql actions, > > and i'm not sure how to get the $row.get('havePic') value into a > > scriptlet. > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
