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

Sat Nov 15 23:37:01 CET 2003

The line takes a user name and a group, so i would say, C_USER_ADMIN and
C_GROUP_ADMIN could do the job. But if it does not work, you can create the
object with the guest user and then call the loginUser method and pass the
admin's name and password.

Good night ;)

----- Original Message -----
From: <ambiesense at gmx.de>
To: <opencms-dev at opencms.org>
Sent: Saturday, November 15, 2003 11:11 PM
Subject: Re: [opencms-dev] Challange! External Program access to OpenCMS I
nstance...

> 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
> > > > > > > > > >
> > > > > > > > > > _______________________________________________
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list
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> > > > > > > > > visit
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> > > > > > > > > >
> > > > > > > > >
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