Examples of org.jruby.runtime.builtin.IRubyObject.toJava()

Class org.jruby.runtime.builtin.IRubyObject

Examples of org.jruby.runtime.builtin.IRubyObject.toJava()

org.jruby.runtime.builtin.IRubyObject.toJava()
Convert the object to the specified Java class, if possible. @param cls The target type to which the object should be converted.

    // getComponentConfiguration is executed in the topology creation time, before serialisation.
    // just create tmp spout instance to call getComponentConfiguration.


    IRubyObject ruby_spout = initialize_ruby_spout();
    IRubyObject ruby_result = Helpers.invoke(__ruby__.getCurrentContext(), ruby_spout, "get_component_configuration");
    return (Map)ruby_result.toJava(Map.class);
  }


  protected IRubyObject initialize_ruby_spout() {
    __ruby__ = Ruby.getGlobalRuntime();

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    // getComponentConfiguration is executed in the topology creation time, before serialisation.
    // just create tmp spout instance to call getComponentConfiguration.


    IRubyObject ruby_spout = initialize_ruby_spout();
    IRubyObject ruby_result = Helpers.invoke(__ruby__.getCurrentContext(), ruby_spout, "get_component_configuration");
    return (Map)ruby_result.toJava(Map.class);
  }


  private IRubyObject initialize_ruby_spout() {
    __ruby__ = Ruby.getGlobalRuntime();

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        IRubyObject val = value;
        if(val.dataGetStruct() instanceof JavaObject) {
            val = (IRubyObject)val.dataGetStruct();
        }
        try {
            Object convertedValue = val.toJava(field.getType());


            field.set(javaObject, convertedValue);
        } catch (IllegalAccessException iae) {
            throw getRuntime().newTypeError(
                                "illegal access on setting variable: " + iae.getMessage());

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        Ruby runtime = JavaEmbedUtils.initialize(new ArrayList());
        Node node = runtime.parseEval(script, "<script>", null, 0);
        IRubyObject expRet = runtime.runInterpreter(node);
        result = instance.parse(script);
        IRubyObject ret = result.run();
        assertEquals(expRet.toJava(String.class), ret.toJava(String.class));
        // Maybe bug. This returns RubyNil, but it should be ""
        //assertEquals("", ret.toJava(String.class));


        script = "# -*- coding: utf-8 -*-\n" +
                 "def say_something()" +

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                   "\"はろ〜、わぁ〜るど！\"\n" +
                 "end\n" +
                 "say_something";
        expRet = runtime.runInterpreter(runtime.parseEval(script, "<script>", null, 0));
        ret = instance.parse(script).run();
        assertEquals(expRet.toJava(String.class), ret.toJava(String.class));


        //sharing variables
        instance.put("what", "Trick or Treat.");
        script = "\"Did you say, #{what}?\"";
        result = instance.parse(script);

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        //sharing variables
        instance.put("what", "Trick or Treat.");
        script = "\"Did you say, #{what}?\"";
        result = instance.parse(script);
        ret = result.run();
        assertEquals("Did you say, Trick or Treat.?", ret.toJava(String.class));


        // line number test
        script = "puts \"Hello World!!!\"\nputs \"Have a nice day!";
        StringWriter sw = new StringWriter();
        instance.setErrorWriter(sw);

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        instance.put("@t", 2);
        result = instance.parse(reader, filename);
        IRubyObject ret = result.run();
        String expStringResult =
            "Trick or Treat!\nTrick or Treat!\n\nHmmm...I'd like trick.";
        assertEquals(expStringResult, ret.toJava(String.class));


        // line number test
        filename = basedir + "/core/src/test/ruby/org/jruby/embed/ruby/raises_parse_error.rb";
        reader = new FileReader(filename);
        StringWriter sw = new StringWriter();

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        }


        filename = basedir + "/core/src/test/ruby/org/jruby/embed/ruby/next_year.rb";
        result = instance.parse(PathType.ABSOLUTE, filename);
        IRubyObject ret = result.run();
        assertEquals(getNextYear(), ret.toJava(Integer.class));


        StringWriter sw = new StringWriter();
        instance.setWriter(sw);
        String[] planets = {"Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"};
        instance.put("@list", Arrays.asList(planets));

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        result = instance.parse(istream, filename);
        instance.put("@a", 1);
        instance.put("@b", 1);
        instance.put("@c", 1);
        IRubyObject ret = result.run();
        List<Double> angles = (List) ret.toJava(List.class);
        // this result goes to 60.00000000000001,60.00000000000001,59.99999999999999.
        // these should be 60.0, 60.0, 60.0. conversion precision error?
        for (double angle : angles) {
            assertEquals(60.0, angle, 0.00001);
        }

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            "return volume, surface_area";
        instance.put("@r", 1.0);
        instance.put("@h", Math.sqrt(3.0));
        EmbedEvalUnit unit = result.parse(script);
        IRubyObject ret = unit.run();
        List<Double> rightCircularCone = (List<Double>) ret.toJava(List.class);
        assertEquals(1.813799, rightCircularCone.get(0), 0.000001);
        assertEquals(9.424778, rightCircularCone.get(1), 0.000001);


        instance.getVarMap().clear();
        instance = null;

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