[opencms-dev] DbAccess for a custom file type

[Christian Steinert]

Andy Bicksbo schrieb:
> Hi all!
> I studied the dbaccess of opencms and realized that every datatype
> comming out of the db has it's own DbDriver class. So if for example a
> user should get out of the db into the UserList of the admin view, the
> request of the list has to go through 
>  
>    1) CmsObject
>        where the requestContext is added to the request,
>        no problem to cutomize this, a public getter for the COntext is
> provided
>  
>    2) CmsSecurityManager
>        where the DbContext is added to the request,
>        AND THATS THE POINT I HAVE NO CLUE HOW TO CUSTOMIZE THIS
>        the class is final so i cannot subclass it
>        i found nothing to get the DbContextFactory out of this Object
> for the DbContext
>  
>    3) CmsDriverManager
>        here the special driver gets init
>        Same proplems with as point 2) class is final
>  
> and then the DbDriver reads the special user data (i manage to build
> my own driver);
>  
> So if someone has an idea how to build dbaccess for custom filetype in
> style of opencms plz help me! 
>  
> thx andy
>  
Dear Andy,

You definitely do not have to modify all the classes you have mentioned.
Your system would become so different from the standard codebase, that
lots of problems would follow.

I have written down some notes on what I know about custom resource types:
http://opencms-wiki.org/index.php/Custom_File_and_Folder_Types

That's about what I know on this topic and it should hopefully give you
at least an idea of where to start.
If you find out something that's not written there, please extend the
WIKI-entry.

hth
christian
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