Oh duh. haha. sorry. Read it quick. Should have taken a few more seconds. Follow the second temp file suggestion for now. It is not a terribly difficult way to solve this at all. Please put a feature request in for this. I'm not sure we will add this feature. But, at least get it in the que so that we can discuss it.
Brandon On 5/24/05, Rob Butler <[EMAIL PROTECTED]> wrote: > Because, as I said below, SqlMapClientBuilder requires > the SqlMapConfig file. So if I use StringReader to > pass in the SqlMapConfig file, that works fine. But > the SqlMapConfig file must then reference the SqlMap > file, and this file must be loaded either as a > resource from the classpath, or as a URL. Since this > file doesn't actually exist on disk, or in the > classpath loading as a resource isn't going to work. > > So that leaves URL as the last hope. Java supports > http, ftp, and file protocols by default. Since the > file isn't on disk, file isn't going to help. I don't > want to embed an http or ftp server in my app just to > load a dynamicly generated segment of xml from memory, > so http and ftp are out too. > > URL could still work if I implement my own protocol > and add that to the one's the JVM can use, something > like mem://fake-file-name. Java supports this, but it > seems a bit extreme that I need to create an entirely > new protocol to load some dynamically generated XML > from memory into iBatis doesn't it? > > So while I could implement something to do what I need > all in memory, or could use temp files as someone > suggested, the best way to do it in my opinion is add > the capability to iBatis and not have to work around > this unnecessary limitation. > > Seeing as I need this capability, and someone else has > resorted to using temp files to accomplish the same > thing, it sounds like it would be a useful feature to > have. > > Thanks for the suggestions though. > Rob > > > --- Brandon Goodin <[EMAIL PROTECTED]> wrote: > > SqlMapClientBuilder takes a reader. If you have a > > String in memory > > then why couldn't you use a StringReader? > > > > Brandon > > > > On 5/23/05, Rob Butler <[EMAIL PROTECTED]> wrote: > > > Hello, > > > > > > I am building an application that will need to > > > dynamically build an SQL statement at run time, > > and > > > then populate the statement's fields from a map. > > > Sounds perfect for iBatis, right. That's what I > > > thought, but I don't think iBatis does quite what > > I > > > need. Normally iBatis can dynamically change it's > > SQL > > > but you need to know things like the number, name > > & > > > type of columns in advance when the SqlMap is > > created. > > > > > > Unfortunately in my application, the SQL statement > > > that is built at runtime is completely dynamic. > > The > > > name of the columns, their data types and the > > number > > > of columns will only be known at run time. So > > what I > > > would like to do is dynamically instantiate an > > > SqlMapClient from a String, which contains the > > SqlMap > > > that is dynamically generated at run time. Then > > let > > > iBatis do the work of converting the map's values > > into > > > the correct data types and populating the SQL's > > field > > > values. It would be nice if the table name could > > be > > > passed as a property instead of in the map of > > data. > > > > > > This looks like it would be possible with the > > > SqlMapClientBuilder, but I don't think that is > > going > > > to work. The problem is it wants to read an > > > SqlMapConfig, which then of course points to an > > SqlMap > > > file. However, the SqlMap file obviously won't > > exist > > > anywhere but as a string in ram, and it's not > > possible > > > (as far as I know) to directly load an SqlMap > > using > > > SqlMapClientBuilder, nor is it possible to load a > > > single "file" (string in ram) that is a combined > > > SqlMapConfig & SqlMap. > > > > > > I could probably cobble something together using > > the > > > internal non-user exposed classes within iBatis, > > but > > > then if those classes change from one release to > > the > > > next I would have to make the appropriate changes > > to > > > my code, and I would prefer to use something that > > is > > > part of iBatis. > > > > > > So, I would like to request a feature to make > > > dynamically building the SqlMap at runtime > > possible. > > > I suppose this could be done by developing a class > > > like SqlMapClientBuilder that accepted a String, > > and > > > didn't need an SqlMapConfig, just a SqlMap XML. > > > Alternately, a fixed API could be exposed to users > > to > > > manually construct a SqlClientMap. > > > > > > Thoughts? Is there a better approach that works > > now? > > > Did I miss something obvious? > > > > > > Thanks, and iBatis rocks! > > > Rob > > > > > > > > > > > > __________________________________ > > > Do you Yahoo!? > > > Yahoo! Small Business - Try our new Resources site > > > http://smallbusiness.yahoo.com/resources/ > > > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com >
