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

Sat Nov 15 23:12:01 CET 2003

Thank you. The CmsShell constructor logs in as a guest user with 

m_openCms.initUser(m_cms, null, null, C_USER_GUEST, C_GROUP_GUEST,
C_PROJECT_ONLINE_ID, null);

In order to add users how I think I do need to log in as Admin. How has this
line has to look like if my admin logon is "Admin" and my password "admin" ?

Thank you again for you help at this late hour,
Ralf

> look at com.opencms.core.CmsShell (constructor) for the CmsObject and
> CmsShellCommands for the rest. Maybe you can create an instance of the
> CmsShellCommands and use its methods.
> 
> 
> ----- Original Message -----
> From: "Ralf Bierig" <ambiesense at gmx.de>
> To: <opencms-dev at opencms.org>
> Sent: Saturday, November 15, 2003 10:46 PM
> Subject: Re: [opencms-dev] Challange! External Program access to OpenCMS I
> nstance...
> 
> 
> > Yes, I actually only need to store and read user and usergroup
> information.
> > Sound logical...
> >
> > I have some more questions in the meantime.
> >
> > How can I insert a User in OpenCMS when I have the OpenCms object. In
> > particular, do I need the CmsObject for that ? How can I create the
> CmsObject
> > object from the OpenCms object? Maybe you can provide some code?
> >
> > Kind Regards with new hope :-),
> > Ralf
> >
> > > What you could do is to make a server that offers commands like the
> > > CmsShell
> > > which you call over RMI and the server operates on the OpenCms.
> > >
> > > ----- Original Message -----
> > > From: "Ralf Bierig" <ambiesense at gmx.de>
> > > To: <opencms-dev at opencms.org>
> > > Sent: Saturday, November 15, 2003 10:28 PM
> > > Subject: Re: [opencms-dev] Challange! External Program access to
> OpenCMS
> I
> > > nstance...
> > >
> > >
> > > > Hi Stephan,
> > > >
> > > > yes, I got a NotSerializableException. It seems that I cannot use
> RMI
> > > > interface to connect to OpenCMS. It seems that OpenCMS is not made
> for
> > > any
> > > other
> > > > access then web.
> > > >
> > > > It is quite disappointing...
> > > >
> > > > Ralf
> > > >
> > > > > Hi Ralf,
> > > > >
> > > > > it won't help to mark the OpenCms class as serializable. All
> members
> > > of
> > > > > OpenCms and the members' members have to be serializable as well
> (or
> > > > > transient, but thats surely not what you want).
> > > > >
> > > > > Bye,
> > > > > Stephan
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Ralf Bierig" <ambiesense at gmx.de>
> > > > > To: <opencms-dev at opencms.org>
> > > > > Sent: Saturday, November 15, 2003 9:43 PM
> > > > > Subject: RE: [opencms-dev] Challange! External Program access to
> > > OpenCMS
> > > I
> > > > > nstance...
> > > > >
> > > > >
> > > > > > Hello,
> > > > > >
> > > > > > I followed your tip and programmed a RMI Server, which is
> initiateed
> > > by
> > > > > the
> > > > > > OpenCmsHTTPServlet class when the opencms servlet it called. The
> > > server
> > > > > is
> > > > > > up
> > > > > > and running.
> > > > > >
> > > > > > However when I access the server and want to get the OpenCms
> object
> > > I
> > > > > get
> > > > > > the following message:
> > > > > >
> > > > > > System RemoteExceptionjava.rmi.UnmarshalException: error
> > > unmarshalling
> > > > > > return; nested exception is:
> > > > > > java.io.WriteAbortedException: writing aborted;
> > > > > > java.io.NotSerializableException: com.opencms.core.OpenCms
> > > > > >
> > > > > > The OpenCms object does indeed not implement the Serializable
> > > interface.
> > > > > My
> > > > > > question now is, when I modify the OpenCms class file and add
> that
> > > it
> > > > > > implements Serializable will it work then and will it work
> properly?
> > > > > >
> > > > > > Is the problem another one and how can I fix it. I am soooo
> close
> > > and
> > > > > there
> > > > > > should be a way...
> > > > > >
> > > > > >
> > > > > > Cheers,
> > > > > > Ralf
> > > > > >
> > > > > > > You will need RMI to call the wrapper class if you start
> another
> > > > > > > application
> > > > > > > with "java myApplication" because then you start a new JVM,
> > > different
> > > > > than
> > > > > > > the JVM which is started by your web application and in which
> your
> > > > > wrapper
> > > > > > > class was initialized.
> > > > > > > w
> > > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: ambiesense at gmx.de [mailto:ambiesense at gmx.de]
> > > > > > > Sent: mercredi 12 novembre 2003 14:32
> > > > > > > To: opencms-dev at opencms.org
> > > > > > > Subject: RE: [opencms-dev] Challange! External Program access
> to
> > > > > OpenCMS
> > > > > > > I nstance...
> > > > > > >
> > > > > > >
> > > > > > > Hello Wouter,
> > > > > > >
> > > > > > > can another Java program (started indepentendly with "java
> > > > > myApplication")
> > > > > > > call the static Wrapper embedded as part of the OpenCMS
> server?
> If
> > > > > this
> > > > > is
> > > > > > > possible, then I am fine.
> > > > > > >
> > > > > > > I think this is more a Java question then a OpenCMS question.
> I
> > > > > appologise
> > > > > > > if I might have confused you.
> > > > > > >
> > > > > > > Ralf
> > > > > > >
> > > > > > > > I don't understand exactly what you are trying to say. Why
> don't
> > > you
> > > > > > > > consider the Wrapper class as being part of the OpenCms
> server
> ?
> > > > > It's
> > > > > > > > the
> > > > > > > > client which afterwards calls the wrapper class in order to
> get
> > > > > acces
> > > > > > > > to the
> > > > > > > > singleton OpenCms.
> > > > > > > >
> > > > > > > > Concerning the other question , as long you keep the
> singleton
> > > > > "single"
> > > > > > > > there no problem that different threads or clients (possibly
> > > through
> > > > > > > > rmi)
> > > > > > > > make use of the singleton. They all use a reference to the
> same
> > > > > object.
> > > > > > > >
> > > > > > > > wouter
> > > > > > > >
> > > > > > > > -----Original Message-----
> > > > > > > > From: Ralf Bierig [mailto:ambiesense at gmx.de]
> > > > > > > > Sent: mercredi 12 novembre 2003 11:22
> > > > > > > > To: opencms-dev at opencms.org
> > > > > > > > Subject: Re: [opencms-dev] Challange! External Program
> access
> to
> > > > > > > > OpenCMS
> > > > > > > > Instance...
> > > > > > > >
> > > > > > > >
> > > > > > > > Hi Matt and Wouter,
> > > > > > > >
> > > > > > > > the method is more direct. However using this appraoch would
> > > change
> > > > > the
> > > > > > > > workflow. My initial idea was that OpenCMS with data and
> > > everything
> > > > > is
> > > > > > > > like
> > > > > > > > a
> > > > > > > > service and I have a client, who can access this without
> > > > > > > > HTTP/SOAP/Webservice
> > > > > > > > but API(local)/RMI or Sockets.
> > > > > > > >
> > > > > > > > Wouter's method is good but change the workflow in the way
> that
> > > the
> > > > > > > > OpenCMS
> > > > > > > > server is acutally calling my application (the wrapper).
> This
> > > would
> > > > > > > > turn
> > > > > > > > OpenCMS into a pseudo client and the application which was
> > > supposed
> > > > > to
> > > > > > > > be a
> > > > > > > > client into a pseudo server. The application would be
> invoked
> by
> > > > > > > > starting
> > > > > > > > OpenCMS.
> > > > > > > > I would like it however the other way round. Would this be
> > > possible
> > > > > to
> > > > > > > > start
> > > > > > > > a RMI server/Socket Server with this extra line and let the
> > > > > appliation
> > > > > > > > client connect to that, get the OpenCms Object and work with
> the
> > > > > > > > singleton
> > > > > > > > OpenCms
> > > > > > > > instance.
> > > > > > > >
> > > > > > > > If more then one client applications would connect like
> that,
> > > would
> > > > > > > > this way
> > > > > > > > of accessing still ensure that each client sees the same
> (files,
> > > > > users,
> > > > > > > > etc)?
> > > > > > > >
> > > > > > > > Another question based on the fact that I would accept the
> fact
> > > that
> > > > > > > > OpenCMS
> > > > > > > > starts the application. Could  this line:
> > > > > > > >
> > > > > > > > // added by myself
> > > > > > > > opencms.addons.CmsWrapper.setOpenCms(m_opencms);
> > > > > > > > // end added by myself
> > > > > > > >
> > > > > > > > be extended to start a number of appliations (Wrappers)
> > > > > simultaniously
> > > > > > > > (i.e.
> > > > > > > > as Threads). Would this still ensure that each application
> would
> > > see
> > > > > > > > the
> > > > > > > > same OpenCMS instance with the same changes made by others
> (i.e.
> > > > > users,
> > > > > > > > files,
> > > > > > > > tasks...)?
> > > > > > > >
> > > > > > > > Cheers,
> > > > > > > > Ralf
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > > Ralf Bierig wrote:
> > > > > > > > > > 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?
> > > > > > > > >
> > > > > > > > > I think that should be okay. wouter's method is probably
> > > better,
> > > > > > > > though
> > > > > > > > > -- esp. if you were planning on using RMI anyway.
> > > > > > > > >
> > > > > > > > > Matt
> > > > > > > > >
> > > > > > > > > _______________________________________________
> > > > > > > > > This mail is send to you from the opencms-dev mailing list
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> > > > > please
> > > > > > > > visit
> > > > > > > > > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > > > > > > > >
> > > > > > > >
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