Solution for Converting OAS JWEB to 9iAS

Hello community.
I just wanted to let you know that there is a solution for migrating from JWEB to Servlet (MVC) type J2EE framework. I am not sure why Oracle did not do this?
1) We created some java classes that replace the PStringBuffer, PDouble, Session classes etc. We still need to keep these around, but you can't use the jar file that contains these classes as they contain JNI lookup references to shared libraries/dll's.
2) We created a class to replicate what PL2JAVA produces. So, the interface to the routines are the same, but we swap in JDBC calls and a JDBC connection pool. The only limitation is the fact that booleans are not handled as nicely with JDBC, so we had to change a couple of the SPs to work with numbers instead (0=false, 1=true). Other than that, no database interface code needs changing.
The Session object that is passed in is actually a wrapper for a JDBC Connection Cache object that the generated SP Java wrapper can grap connections from. The only problem here is that once a SP call is made, the transaction is commited and the connection released back to the connection pool. We did it this way as we did not want to have to add too much transaction management in 100s of classes that use the Java SP interface. We might be able to tweak this a bit so that this functionality is possible by changing the constructor to handle a connection object instead. That way we have more control.
3) We replaced all local variables with HttpSession object setting and getting. This was very tedious, but not too bad.
4) We created a servlet controller that would load the JWeb pages appropriately based on the request.
If anyone is interested, we probably will be doing up a small summary of this. The Java class interface generator could be utilized for any stored procedure work. It is too large to ship up here, but if anyone wants it, I may be convinced to share :) ....
Again, Oracle should have had a migration plan well documented instead of saying, you have to rewrite this. We should have our JWeb app converted with about 2 weeks of part time effort by 3 developers. Now that we have some of these tools, it should be half that time.
Good luck!
Sincerely,
Brad Worsfold

It looks like the LabVIEW Sound and Measurement Suite would do the trick, or possibly Diadem, though I'm not sure if you have LabVIEW. What program are you trying to open the file with? It may also have a package you can download that supports all of the formats. For instance, there appears to be a UFF file reader and writer if you Google "uff files" in the top result, but that's only if you were using a specific program. But I suppose the easiest way would be if you already had the Sound and Measurement Suite.
Regards,
Jake G.
National Instruments
Applications Engineer

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