Re: Trying to get jruby classes/methods into java code. (JRuby applet, OGL)

> Guys,
>
>  Even though the jrubyc does compile the .rb biles into class format,
>  those classes cannot be used outside of JRuby's runtime.
>
>  You could still 'require' such files in your JRuby scripts, and they
>  will be used as if they are *.rb files. But they can't be put into
>  pure-java application without JRuby support.
>
>  Thanks,
>   --Vladimir
>
>
>
>  On Wed, Apr 9, 2008 at 4:09 PM, Rob . <rob.02004@...> wrote:
>  > I've had the same problem with jrubyc compiled classes that you
>  >  mentioned in point (3). Decompiling shows methods like this in the
>  >  Java class:
>  >
>  >  public class MyClass extends AbstractScript {...
>  >
>  >   public IRubyObject initialize__5(ThreadContext threadcontext,
>  >                                   IRubyObject irubyobject,
>  >                                   IRubyObject[] irubyobjects, Block
>  >  block) {... }
>  >
>  >   public IRubyObject method1__6(ThreadContext threadcontext,
>  >                                IRubyObject irubyobject,
>  >                                IRubyObject[] irubyobjects, Block block) {... }
>  >
>  >
>  >  I was expecting:
>  >
>  >  public class MyClass extends RubyObject {
>  >   public MyClass(Object arg1, Object arg2) {... }
>  >
>  >   public Object method1(Object arg1) {... }
>  >
>  >
>  >  -Rob
>  >
>  >
>  >
>  >  On Tue, Apr 8, 2008 at 11:54 PM, sikanrong <sikanrong@...> wrote:
>  >  >
>  >  >  Hey guys. So, I'm not new to Java, and I'm really not new to Ruby, but I'm a
>  >  >  complete JRuby beginner somehow :)
>  >  >
>  >  >  I've read every tutorial and wiki page on the subject, but I keep hitting
>  >  >  walls. Here's the deal: I'm trying to get OGL stuff into an Applet using
>  >  >  JRuby. I know, I could've picked something easier, but I really think this
>  >  >  would be cool if i could finish it! So, I've got the JOGL jars in the
>  >  >  appropriate places, and I have a helloworld.rb script that creates exactly
>  >  >  what I want in a JFrame. Now I need to take the same functionality and port
>  >  >  it to an applet. I also have an applet that's doing what I want in pure
>  >  >  Java. What I want to do is define a ruby class which 'implements' the java
>  >  >  class GLEventListener, (via 'include'). Then, SOMEHOW, I want to instantiate
>  >  >  an object of that class in Java and plug it in to the applet.
>  >  >
>  >  >  So far, i just can't pull the object out of ruby and get it into java. I've
>  >  >  tried everything under the sun, and by that I mean
>  >  >
>  >  >  1) making a java wrapper for the class I want to wrap in ruby (a-la
>  >  >  jrubywiki getting started demo source). Didn't work.
>  >  >
>  >  >  2) found a GREAT and almost completely un-documented class called
>  >  >  JRubyApplet. This failed out too, kindof. It did eval the script properly,
>  >  >  but when I tried to create a GLEventListener in ruby (which works fine when
>  >  >  just running it in JRuby) i get a 'not visible to class loader' error. Why??
>  >  >  It's in the classpath, and if JRubyApplet worked it would be the absolute
>  >  >  best way for me to do this
>  >  >
>  >  >  3) Tried using jrubyc (JRuby compiler). Besides the fact that this didn't
>  >  >  work with what I'm trying to do, it is just plain really freaking cool to be
>  >  >  able to compile ruby script into Java Byte code. What did work is the
>  >  >  compiler. What did NOT work is calling methods or classes defined inside
>  >  >  java after importing the class to a Java script. Like, i could compile and
>  >  >  import (and even instantiate) an object of ruby.MyRubyWrapper, but then I
>  >  >  just get 'symbol not defined' errors when trying to call the methods I
>  >  >  defined in ruby. This was especially confusing to me, because in the wiki
>  >  >  documentation on the JRuby compiler you (Nutter) said that basically
>  >  >  file-level methods and classes were all available to the Java object as java
>  >  >  methods. What gives?? HELP!!
>  >  >
>  >  >  Anyway, if this is Nutter himself, I just met you in Prague! (I was the only
>  >  >  one with dreadlocks), What's up dude!!
>  >  >
>  >  >  --
>  >  >  View this message in context: http://www.nabble.com/Trying-to-get-jruby-classes-methods-into-java-code.-%28JRuby-applet%2C-OGL%29-tp16575797p16575797.html
>  >  >  Sent from the JRuby - User mailing list archive at Nabble.com.
>  >  >
>  >  >
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