Ugh, stupid me, we have Harmony right here at Apache :-) Thanks Tim, I
will take a look, and ask questions if we can't figure it on our own.
Thanks,
Andrus
On Sep 29, 2008, at 11:28 AM, Tim Ellison wrote:
Andrus Adamchik wrote:
We are trying to setup Cayenne ORM project structure to be both
buildable and runnable under Java 1.5 and 1.6. ("buildable" is
important
for non-64-bit Intel Mac users. There's no Java 6 for those older
Macs).
The problem is that we are implementing a bunch of java[x].sql
interfaces in Cayenne that have changed between the versions of
Java. So
take for instance a class implementing java.sql.ResultSet. To be
able to
compile against 1.6 jars, we need methods like this:
public java.sql.SQLXML getSQLXML(int) {...}
Which does not compile against 1.5 jars. So what I am thinking is
building a small "JDBC4-compatibility" Maven module based on
OpenJDK (or
Sun JRE) that contains needed interfaces from java[x].sql packages.
It
will be done outside Apache. Then the plan to make it a Cayenne
"provided" dependency. I.e. it won't be shipped with Cayenne.
Any licensing considerations with this approach?
Just use Apache Harmony's implementations and you will not have any
such
problems.
There is a Java 5 version [1] and Java 6 version [2] available. if
you
want help with a compile-against JAR come and talk on the dev list.
[1]
http://svn.apache.org/viewvc/harmony/enhanced/classlib/trunk/modules/sql/
[2]
http://svn.apache.org/viewvc/harmony/enhanced/classlib/branches/java6/modules/sql/
Regards,
Tim
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