javax.script.ScriptEngineFactory#getLanguageName ( )源码实例Demo

public void printInfo() {
	ScriptEngineManager mgr = new ScriptEngineManager();
	List<ScriptEngineFactory> factories = mgr.getEngineFactories();

	for (ScriptEngineFactory factory : factories) {
		logger.debug("ScriptEngineFactory Info");
		String engName = factory.getEngineName();
		String engVersion = factory.getEngineVersion();
		String langName = factory.getLanguageName();
		String langVersion = factory.getLanguageVersion();
		System.out.printf("\tScript Engine: %s (%s)\n", engName, engVersion);
		List<String> engNames = factory.getNames();
		for (String name : engNames) {
			System.out.printf("\tEngine Alias: %s\n", name);
		}
		System.out.printf("\tLanguage: %s (%s)\n", langName, langVersion);
	}
}
 

public Map<String, Map<String, Object>> availableEngines() {
    Map<String, Map<String, Object>> result = new LinkedHashMap<>();

    List<ScriptEngineFactory> factories = ENGINE_MANAGER.getEngineFactories();

    for (ScriptEngineFactory factory : factories) {
        Map<String, Object> f = new LinkedHashMap<>();
        String engName = factory.getEngineName();
        String engVersion = factory.getEngineVersion();
        List<String> engNames = factory.getNames();
        String langName = factory.getLanguageName();
        String langVersion = factory.getLanguageVersion();

        result.put(engName, f);
        f.put("language name", langName);
        f.put("language version", langVersion);
        f.put("aliases", engNames);
        f.put("version", engVersion);
    }
    return result;
}
 

public void actionPerformed(ActionEvent e) {
    ScriptEngineFactory[] scriptEngineFactories = getScriptManager().getEngineFactories();
    final Item[] items = new Item[scriptEngineFactories.length];
    for (int i = 0; i < scriptEngineFactories.length; i++) {
        ScriptEngineFactory scriptEngineFactory = scriptEngineFactories[i];
        items[i] = new Item(scriptEngineFactory.getLanguageName(), scriptEngineFactory);
    }
    Item selectedItem = null;
    if (items.length != 0) {
        selectedItem = promptForEngine(items);
    } else {
        getScriptConsoleTopComponent().showErrorMessage("No scripting language available.");
    }
    if (selectedItem != null) {
        getScriptConsoleTopComponent().newScript(selectedItem.scriptEngineFactory);
    }
}
 

private String mapLanguageToSyntaxHighlighting( final ScriptEngineFactory script ) {
  if ( script == null ) {
    return SyntaxConstants.SYNTAX_STYLE_NONE;
  }

  final String language = script.getLanguageName();
  if ( "ECMAScript".equalsIgnoreCase( language )
     || "js".equalsIgnoreCase( language )
     || "rhino".equalsIgnoreCase( language )
     || "javascript".equalsIgnoreCase( language ) ) {
    return SyntaxConstants.SYNTAX_STYLE_JAVASCRIPT;
  }
  if ( "groovy".equalsIgnoreCase( language ) ) {
    return SyntaxConstants.SYNTAX_STYLE_GROOVY;
  }
  return SyntaxConstants.SYNTAX_STYLE_NONE;
}
 

@Override
public Row next() {
    if (!it.hasNext())
        return null;
    ScriptEngineFactory factory = it.next();
    return new ValuesHolderRow(
            rowType,
            it.nextIndex(), // use nextIndex so that the IDs are 1-based
            factory.getEngineName(),
            factory.getEngineVersion(),
            factory.getLanguageName(),
            factory.getLanguageVersion(),
            ++rowCounter /*hidden pk*/);
}
 

public static String mapLanguageToSyntaxHighlighting( final ScriptEngineFactory script ) {
  if ( script == null ) {
    return SYNTAX_STYLE_NONE;
  }

  final String language = script.getLanguageName();
  if ( "ECMAScript".equalsIgnoreCase( language ) || "js".equalsIgnoreCase( language )
      || "rhino".equalsIgnoreCase( language ) || "javascript".equalsIgnoreCase( language ) ) {
    return SYNTAX_STYLE_JAVASCRIPT;
  }
  if ( "groovy".equalsIgnoreCase( language ) ) {
    return SYNTAX_STYLE_GROOVY;
  }
  return SYNTAX_STYLE_NONE;
}
 

private String getSelectedGlobalScriptLanguage() {
  Object selectedItem = globalLanguageField.getSelectedItem();
  if ( selectedItem instanceof ScriptEngineFactory == false ) {
    return null;
  }
  ScriptEngineFactory engineFactory = (ScriptEngineFactory) selectedItem;
  return engineFactory.getLanguageName();
}
 

private String getSelectedQueryScriptLanguage() {
  Object selectedItem = queryLanguageField.getSelectedItem();
  if ( selectedItem instanceof ScriptEngineFactory == false ) {
    return null;
  }
  ScriptEngineFactory engineFactory = (ScriptEngineFactory) selectedItem;
  return engineFactory.getLanguageName();
}
 

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

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

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

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