Hi All,
Have just checked everything into HEAD. If there's any problems
please let me know and I'll fix them immediately.
Cheers,
Marcus
On Wed, Sep 04, 2002 at 10:19:05PM +0200, Giacomo Pati wrote:
>
> Awesome work, Marcus, but can you post the ComposerReader?
>
> Anybody else but me finds this should make its way into HEAD?
>
> Giacomo
>
> On Wed, 4 Sep 2002, Marcus Crafter wrote:
>
> > Hi All,
> >
> > Hope all is well.
> >
> > After working through some interesting issues :) I've updated the
> > SOAP server for Cocoon that I've been working on in the following
> > areas:
> >
> > o SOAP server reader is now based on Axis, rather than Apache SOAP.
> >
> > o Helper abstract classes have been written allowing webservices
> > to implement LogEnabled and Composable.
> >
> > o Several webservices are now included:
> >
> > o cache (allows you to remotely manipulate the Cocoon cache
> > via soap, eg. clear it)
> >
> > o memory (allows you to view the total and free amount of
> > memory in your Cocoon application, also allows you
> > to remotely invoke the garbarge collector)
> >
> > o system (allows you to inspect the hardware your server
> > is running on)
> >
> > o process (allows you to run a system process on the server
> > and view the output. eg. ps, uptime, df, etc)
> >
> > o Included a small sample webapp which allows you to list the
> > services currently deployed.
> >
> > o Moved entire source over to scratchpad, rather than core
> >
> > The source with libraries is now much larger than the original version,
> > I'll make it available via http somewhere and enter a bugzilla patch.
> >
> > Comments, suggestions more than welcome.
> >
> > Cheers,
> >
> > Marcus
> >
> > On Thu, Aug 15, 2002 at 04:30:09PM +0200, Marcus Crafter wrote:
> > > Hi All,
> > >
> > > Hope all is well.
> > >
> > > Over the past couple of days I've been working on adding the
> > > ability for a Cocoon application to serve SOAP requests.
> > >
> > > The motivation for this work came from:
> > >
> > > o The need to share business logic data with other projects, ie.
> > > B2B communcation.
> > >
> > > o The desire to build an administration application and remotely query
> > > a live system about its status.
> > >
> > > Instead of building a second server into our application (ie. RMI,
> > > CORBA, etc), I thought it might be better to use SOAP for this for
> > > several reasons, mainly since servlet based Cocoon applications are
> > > really HTTP oriented servers anyway.
> > >
> > > The code adding this functionality is in bugzilla, #11728.
> > >
> > > My hope is that this feature is of use for others too.
> > >
> > > Essentially, I took the RPCRouterServlet from the Apache SOAP
> > > project and ported it to Cocoon as a Reader, which in effect
> > > allows you to register SOAP services within your Cocoon app, and
> > > serve data to other clients.
> > >
> > > The reader can be configured in the sitemap as follows:
> > >
> > > <!-- Defines a SOAP RPC reader that will serve SOAP requests via HTTP-POST.
> > >
> > > 'managed-services' defines a list of Apache SOAP deployment descriptors
> > > that will be automatically deployed at startup and undeployed at
> > > shutdown of this reader.
> > > -->
> > > <map:reader logger="sitemap.reader.soap-rpc" name="soap-rpc"
> > > src="org.apache.cocoon.reading.SoapRPCReader">
> > > <managed-services>
> > > <descriptor
>src="resource://org/apache/cocoon/components/soap/services/memory/DeploymentDescriptor.xml"/>
> > > </managed-services>
> > > </map:reader>
> > >
> > > Consult the javadocs for the full option set which includes the
> > > ability to set an EnvelopeEditorFactory, and custom SOAP server xml
> > > config file.
> > >
> > > The pipeline match is quite simple like most readers:
> > >
> > > <!-- Match SOAP RPC Router requests -->
> > > <map:match pattern="rpcrouter">
> > > <map:read type="soap-rpc" mime-type="text/xml"/>
> > > </map:match>
> > >
> > > With these 2 sections added to your sitemap, you can then make
> > > HTTP-POST queries to the above pipeline to deploy, list, invoke or
> > > undeploy particular SOAP services from your Cocoon app. The
> > > ServiceManagerClient class that comes with Apache SOAP is quite
> > > useful for this.
> > >
> > > I've included an example service with my patch which allows a
> > > remote client to query the amount of free & total memory the remote
> > > Cocoon app currently has, and also allows a client to invoke the
> > > garbage collector on the remote application.
> > >
> > > For those interested have a look at the class and deployment
> > > descriptor in the o/a/c/components/soap/services/memory directory,
> > > and the webapps/samples/soap directory.
> > >
> > > The SoapRPCReader also adds the Cocoon request, response, context
> > > and ComponentManager to the SOAP request context, which means it's
> > > possible for your SOAP services to access any avalon components you may
> > > have written, and also session data that may be relevant for the
> > > particular request. Have a look at the
> > > o/a/c/components/soap/services/template directory for an example of
> > > this.
> > >
> > > Normal SOAP services (ie. cocoon independant) can also be deployed,
> > > including those implemented in other languages via BSF support. The
> > > Apache SOAP documentation describes how this can be done.
> > >
> > > The reader itself requires the presence of the Apache SOAP jar
> > > (2.3.1 used during development), and the SUN activation and
> > > javamail jar. I've modified the build.xml so that the reader and
> > > associated services are only built if these libraries are present.
> > >
> > > I'm now looking at the various statistical & administration
> > > information we might like to provide from Cocoon, hopefully in
> > > combination with the instrumentation interfaces from Excalibur.
> > >
> > > Ok, so I hope its of use for more people that just me, if there's any
> > > questions, comments, feel free to ask.
> > >
> > > Cheers,
> > >
> > > Marcus
> > >
> > > --
> > > .....
> > > ,,$$$$$$$$$, Marcus Crafter
> > > ;$' '$$$$: Computer Systems Engineer
> > > $: $$$$: ManageSoft GmbH
> > > $ o_)$$$: 82-84 Mainzer Landstrasse
> > > ;$, _/\ &&:' 60327 Frankfurt Germany
> > > ' /( &&&
> > > \_&&&&'
> > > &&&&.
> > > &&&&&&&:
> > >
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> > >
> >
> >
>
>
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--
.....
,,$$$$$$$$$, Marcus Crafter
;$' '$$$$: Computer Systems Engineer
$: $$$$: ManageSoft GmbH
$ o_)$$$: 82-84 Mainzer Landstrasse
;$, _/\ &&:' 60327 Frankfurt Germany
' /( &&&
\_&&&&'
&&&&.
&&&&&&&:
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