Examples of javax.script.ScriptEngineFactory

javax.script.ScriptEngineFactory
A factory for creating scripts.

    }


    final ListModel model = languageField.getModel();
    for (int i = 0; i < model.getSize(); i++)
    {
      final ScriptEngineFactory elementAt = (ScriptEngineFactory) model.getElementAt(i);
      if (elementAt == null)
      {
        continue;
      }
      if (elementAt.getNames().contains(lang))
      {
        languageField.setSelectedItem(elementAt);
        return;
      }
    }

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    }
  }


  private String getGlobalScriptingLanguage()
  {
    final ScriptEngineFactory selectedValue = (ScriptEngineFactory) globalLanguageField.getSelectedItem();
    if (selectedValue == null)
    {
      return null;
    }
    return selectedValue.getLanguageName();
  }

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    return "JdbcDataSourceEditor";
  }


  private void updateComponents()
  {
    final ScriptEngineFactory globalLanguage = (ScriptEngineFactory) globalLanguageField.getSelectedItem();
    globalScriptTextArea.setSyntaxEditingStyle
        (DataFactoryEditorSupport.mapLanguageToSyntaxHighlighting(globalLanguage));
    queryLanguageListCellRenderer.setDefaultValue(globalLanguage);


    final ScriptEngineFactory queryScriptLanguage = (ScriptEngineFactory) queryLanguageField.getSelectedItem();
    if (queryScriptLanguage == null)
    {
      queryScriptTextArea.setSyntaxEditingStyle(globalScriptTextArea.getSyntaxEditingStyle());
    }
    else

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            String line;
            while ((line = reader.readLine()) != null) {
                try {
                    @SuppressWarnings("unchecked")
                    Class<ScriptEngineFactory> clazz = bundle.loadClass(line);
                    ScriptEngineFactory spi = clazz.newInstance();
                    registerFactory(mgr, spi);
                } catch (Throwable t) {
                    log.error("Cannot register ScriptEngineFactory " + line, t);
                }
            }

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    }
    List<ServiceRegistration> serviceRegList = new ArrayList<ServiceRegistration>();
    for (String engineFactoryName : engineFactoryNames) {
      try {
        Class factoryClass = Class.forName(engineFactoryName);
        ScriptEngineFactory factory = (ScriptEngineFactory) factoryClass.newInstance();
        String[] clazzes = {engineFactoryName, SERVICE_DEF_FILE};
        ServiceRegistration serviceReg = componentContext.getBundleContext().registerService(clazzes, factory, null);
        serviceRegList.add(serviceReg);


        if (engineFactoryName.equals("com.sun.script.jruby.JRubyScriptEngineFactory")) {

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    @Test
    public void testGetFactory() {
        logger1.info("getFactory");
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine instance = manager.getEngineByName("jruby");
        ScriptEngineFactory result = instance.getFactory();
        assertTrue(result instanceof JRubyEngineFactory);
        String expResult = "JSR 223 JRuby Engine";
        String ret = result.getEngineName();
        assertEquals(expResult, ret);


        instance.getBindings(ScriptContext.ENGINE_SCOPE).clear();
        instance = null;
    }

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        synchronized (this) {
            System.setProperty("org.jruby.embed.localcontext.scope", "singlethread");
            System.setProperty("org.jruby.embed.localvariable.behavior", "global");
            ScriptEngineManager manager = new ScriptEngineManager();
            List<ScriptEngineFactory> factories = manager.getEngineFactories();
            ScriptEngineFactory factory = null;
            while (factories.iterator().hasNext()) {
                factory = factories.iterator().next();
                if ("ruby".equals(factory.getLanguageName())) {
                    break;
                }
            }
            engine1 = factory.getScriptEngine();
            engine2 = factory.getScriptEngine();
        }
        engine1.put("Value", "value of the first engine");
        engine2.put("Value", new Double(-0.0149));
        Object obj1 = engine1.eval("$Value + 2010.to_s");
        Object obj2 = engine2.eval("$Value + 2010");

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    public ScriptEngine getEngineByName(String shortName) {
        if (shortName == null) {
            throw new NullPointerException("Null shortName");
        }
        ScriptEngineFactory factory = nameMap.get(shortName);
        if (factory == null) {
            throw new IllegalArgumentException("No engine for " + shortName);
        }
        ScriptEngine engine = factory.getScriptEngine();
        engine.getContext().setBindings(globalMap, ScriptContext.GLOBAL_SCOPE);
        return engine;
    }

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    public ScriptEngine getEngineByExtension(String extension) {
        if (extension == null) {
            throw new NullPointerException("Null extension");
        }
        ScriptEngineFactory factory = extensionMap.get(extension);
        if (factory == null) {
            throw new IllegalArgumentException("No engine for " + extension);
        }
        ScriptEngine engine = factory.getScriptEngine();
        engine.getContext().setBindings(globalMap, ScriptContext.GLOBAL_SCOPE);
        return engine;
    }

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    public ScriptEngine getEngineByMimeType(String mimeType) {
        if (mimeType == null) {
            throw new NullPointerException("Null mimeType");
        }
        ScriptEngineFactory factory = mimetypeMap.get(mimeType);
        if (factory == null) {
            throw new IllegalArgumentException("No engine for " + mimeType);
        }
        ScriptEngine engine = factory.getScriptEngine();
        engine.getContext().setBindings(globalMap, ScriptContext.GLOBAL_SCOPE);
        return engine;
    }

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