I think you should be able to extend JdbcDataSource ....
Right, and your comments on how to do that make sense.
and use that datasource type instead of the jdbc one in your xconf.
The word "use" is where things get a little murky, and another
detail from
me may help clarify.
We use SQL-Transformer. (We love SQL-Transformer!) It takes a
sitemap
parameter like so:
<map:parameter name="use-connection" value="myDatasourceName"/>
How can I cause myDatasourceName to match an instance of my new
datasource
class?
It seems that I will need my MyDatasource to go into the same
"datasources"
set
Correct
as all the ones defined in cocoon.xconf using the <jdbc> tag under
<datasources>.
Can I do this using a regular <component> tag (at the top level of
cocoon.xconf, under <cocoon>,
not under <datasources>), with a certain role? (What role? Is
there more
to it than having the
right role on the component?)
Or by defining, say, <sc_jdbc> to be a cocoon.xconf tag that goes
under
<datasources>, and
is bound to the classname of my datasource? (Where would I do that?)
IIRC you will need both. Basically "jdbc" just means it's a short
hand for the role that says it's a ResourceLimitingJdbcDataSource.
Check the cocoon.roles at
http://svn.apache.org/viewvc/cocoon/branches/BRANCH_2_1_X/src/java/
org/apache/cocoon/cocoon.roles?revision=607115&view=markup
<role
name="org.apache.avalon.excalibur.datasource.DataSourceComponentSelector
"
shorthand="datasources"
default-
class="org.apache.cocoon.components.ExtendedComponentSelector">
<hint shorthand="jdbc"
class="org.apache.avalon.excalibur.datasource.ResourceLimitingJdbcDataSo
urce"/>
<hint shorthand="j2ee"
class="org.apache.avalon.excalibur.datasource.J2eeDataSource"/>
<hint shorthand="informix"
class="org.apache.avalon.excalibur.datasource.InformixDataSource"/>
</role>
And you need to define your own DataSource component (preferably just
delegating to ResourceLimitingJdbcDataSource) as e.g. "securejdbc" or
whatever you like. Then you should be able to specify that inside the
"datasources" component selector as you usually do with "jdbc".
Sorry, I don't have cocoon checked out right now and my skills have
gotten a bit rusty in that area. But I hope it will get you there :)
cheers
--
Torsten
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