Sounds very interesting.. I wonder how it might help to integrate Jboss
and Emacs/JDEE, since they use the bsh to perform Lisp<->Java
integration.. 

James

> -----Original Message-----
> From: Sacha Labourey [mailto:[EMAIL PROTECTED]] 
> Sent: Tuesday, January 07, 2003 3:57 AM
> To: Jboss-Dev
> Cc: jBoss-User Mailing List; [EMAIL PROTECTED]
> Subject: [JBoss-dev] ANNOUNCE: BeanShell JBoss sub-deployer in HEAD
> 
> 
> Hello,
> 
> Yesterday I commited a BeanShell (BSH, www.beanshell.org) 
> sub-deployer in HEAD. It is in module varia and you can find 
> its lib in varia/output/lib/bsh-deployer.sar.
> 
> It allows you to hot-deploy *.bsh files in /deploy.
> 
> SIMPLE USAGE: client-only
> =========================
> In its simple usage, the script will act as a simple 
> client-script making invocations on other objects. Each 
> script can follow the org.jboss.system.Service interface i.e. 
> the create, start, stop and destroy calls. You can implement 
> only a subset of those. Thus, a very simply one-line script 
> can be: Simple.bsh:
> 
>       void start() { System.out.println ("I'm called!"); }
> 
> that's it.
> 
> 
> ADVANCED USAGE: server script!
> ==============================
> But it is almost as easy to make your script a JBoss service 
> fully invocable/administrable through JMX! For this, your 
> script can implement any of the methods of the following interface:
> 
>       public interface ScriptService
>          extends org.jboss.system.Service
>       {
>          public String objectName ();
>          public String[] dependsOn ();
>          public Class[] getInterfaces ();
> 
>          public void setCtx (ServiceMBeanSupport wrapper);
>       }
> 
> You can implement the objectName method to choose your own 
> MBean ObjectName. You can implement the dependsOn method to 
> return a set of JMX MBean ObjectName (as string) on which you 
> depends (for service lifecyle). You can implement the 
> getInterfaces method to return the set of interfaces that you 
> *say* your script do implement. Your wrapper will analyse 
> these interfaces and fully generate the associated JMX 
> MBeanInfo (the script wrapper is a Dynamic MBean).
> 
> Example, let's say you have this interface:
> 
>       public interface MyIntf
>       {
>          public void doThat();
> 
>          public String getRWString ();
>          public void setRWString (String val);
> 
>          public String getROString ();
>       }
> 
> You could then provide this script:
> 
>    String name = "bla";
> 
>    String objectName () { return "jboss.scripts:service=myService"; }
>    Class[] getInterfaces () { return new Class[] {MyIntf.class}; }
> 
>    void create () { System.out.println ("Create called on me"); }
> 
>    void doThat () { System.out.println ("doThat called"); }
> 
>    String getRWString() { return super.name; }
>    void setRWString(String bla) { super.name = bla; }
> 
>    String getROString() { return "I am read-only!"; }
> 
> 
> Then, not only can you invoke methods and get/set attributes 
> on your script using JMX, you can also browse your scripts 
> using the http://localhost:8080/jmx-console/ and see all 
> available methods/attributes (MBeanInfo is generated by the 
> DynamicMBean script wrapper)
> 
> Infos on BeanShell are available here: www.beanshell.org
> 
> Do you want this feature on 3.2?
> 
> Cheers,
> 
> 
>                       Sacha
> 
> 
> P.S.: This e-mail is cross-posted to the beanshell-users ML.
> 
> 
> 
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