access database connectivity from outside an application

[suchirag]

Hi,
I am trying to look for a solution where i need to develop an application component which i need to pluggin to an exisitng application.But the thing is that application component needs to access database for fetching data.So the thing is how will that component access the database based on the type of database connectivity framework used in the existing application.And i dont want to hardcode the database connectivity in the component because each application can have different type of database connectivity frameworks.

If anybody can help me out with this.

Regards,
Suchira

[masijade]

Add a getConnection method to the public interface for your application and have the plugin use that.

[r035198x]

If the existing application already accesses the database, why does the component need to access as well? Why can't it request the data it needs from the application that is already connecting?

Edit: Masi is fast today

[suchirag]

Hi,

Actually the thing is if the existing application is connecting to some other db and the component needs to connect to another db then in that case howz that possible

Regards,
Suchira

[masijade]

Then the plugin has to do it itself, of course. Or you have to include the name of the driver class, the url, the user, and the password as arguments to the interface method and hope that the driver jarfile is in the classpath.

[r035198x]

Then you need to explain more clearly because you are skirting on the edges of contradiction.
You asked

how will that component access the database based on the type of database connectivity framework used in the existing application

but then also you also said

each application can have different type of database connectivity frameworks

Do you have one application that you are writing the component for?
How many types of database connectivity frameworks are in play here?
What is a database connectivity framework?