[opencms-dev] Challange! External Program access to OpenCMS Instance...

[Ralf Bierig]

Hello Matt,

thank you again for you competent answer.

Do you agree that this solution should not have side effects, if the only
user would be this Java programm and there would NO OTHER user logged in via
HTTP/Tomcat?

You see that I want to move the usage of OpenCMS away into a different
accessing method for which OpenCMS originally was not made for.

I will in paralell start another threat and ask the community separatly if
somebody has made experience with an CmsShell access appraoch. 

Many thanks again in advance,
Ralf


> Ralf,
> 
> Ralf Bierig wrote:
> > Would possiblity number 3), which is done in CmsShell,  be secure if
> this
> > application would be the only access of OpenCMS. This CmsShell stylish
> > application would basicall hold an instance. Does this instance then
> only run within
> > CmsShell or does is connect to the instance running in Tomcat? The code
> looks
> > like the first option...
> > 
> > The CmsShell stylisch appliation could work as a kind of proxy and allow
> > other clients to access i.e. via RMI and provide access (read / write)
> to files.
> > The CmsShell stylish proxy could also provide an interface to allow
> other
> > clients to log in and out and therfore do everthing with external
> access.
> > 
> > Would this be possible?
> 
> Here's what I'm unsure of: starting CmsShell creates a new instance of 
> the OpenCms singleton (which is the extension of A_OpenCms).
> 
> As far as I understand it (based on the comments in OpenCms.java), there 
> should only be one instance of OpenCms. If the servlet is running, and 
> the CmsShell is running, then there are two instances (in different 
> processes/JREs).
> 
> I don't know if it is okay to have two instances of OpenCms if they are 
> in different processes/JREs. It seems that tracking locks would be very 
> difficult, and caching would introduce some problems as well, but if the 
> database provides enough state information, it seems it could work. 
> Alexander Kandzior is the only one I can think of who might know the 
> answer to this question.
> 
> Other than that, your idea sounds very good. The CmsShell constructor 
> has a good example of creating a new instance of OpenCms. That would get 
> you started.
> 
> Matt
> 
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