Java Code Examples for javax.script.ScriptEngineManager.getEngineFactories()

The following are Jave code examples for showing how to use getEngineFactories() of the javax.script.ScriptEngineManager class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.

private boolean isJavaScriptAvailable() {
    if(isJSAvailableChecked) {
        return isJSAvailable;
    }
    ScriptEngineManager mgr = new ScriptEngineManager();
    List<ScriptEngineFactory> factories = mgr.getEngineFactories();
    for (ScriptEngineFactory factory: factories) {
        List<String> engNames = factory.getNames();
        for(String name: engNames) {
            if(name.equalsIgnoreCase("js") || name.equalsIgnoreCase("javascript")) { //NOI18N
                isJSAvailableChecked = true;
                isJSAvailable = true;
                return isJSAvailable;
            }
        }
    }
    isJSAvailableChecked = true;
    isJSAvailable = false;
    return isJSAvailable;
}

OAF:

Example

try { ScriptEngineManager mgr = new ScriptEngineManager(); ScriptEngineFactory[] factories = (ScriptEngineFactory[]) mgr.getEngineFactories(); for (ScriptEngineFactory factory: factories) { String[] engNames = factory.getNames(); for(String name: engNames) { System.out.println(name); } } } catch (Exception e) { }