Example usage for jdk.nashorn.api.scripting NashornScriptEngineFactory getScriptEngine

Introduction

In this page you can find the example usage for jdk.nashorn.api.scripting NashornScriptEngineFactory getScriptEngine.

Prototype

@Override
    public ScriptEngine getScriptEngine() 

Source Link

Usage

From source file:com.mycompany.script.engine.js.nashorn.JsNashornScriptExecutor.java

/**
 * ? ?.//w  ww  .j  a  v a  2s .  c  o  m
 * 
 * @param scriptPath   ?  ?
 * @param basePath  
 * @param logger 
 * @param binding 
 * @return 
 */
@Override
public ScriptResult execScript(String scriptPath, String basePath, Logger logger, Map<String, Object> binding) {
    ScriptResult result = new ScriptResult();
    NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
    ScriptEngine engine = factory.getScriptEngine();
    try {
        ScriptContext newContext = new SimpleScriptContext();
        newContext.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);
        Bindings engineScope = newContext.getBindings(ScriptContext.ENGINE_SCOPE);
        engineScope.putAll(binding);
        engineScope.put("logger", logger);
        engineScope.put("currentDir", new File("").getAbsolutePath());
        result.setStart(System.currentTimeMillis());
        try (Reader reader = Files.newBufferedReader(new File(basePath, scriptPath).toPath())) {
            Object value = engine.eval(reader, engineScope);
            result.setResult(value);
        }
    } catch (IOException | ScriptException | RuntimeException ex) {
        logger.error("", ex);
        result.setException(ex);
    } finally {
        result.setFinish(System.currentTimeMillis());
    }
    return result;
}

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From source file:com.wx3.galacdecks.ai.EvaluatorAI.java

License:Open Source License

private static ScriptEngine getScriptEngine() {
    if (scriptEngine == null) {
        NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
        scriptEngine = factory.getScriptEngine();
        if (scriptEngine == null) {
            throw new RuntimeException("Unable to get script engine");
        }//from   w w  w .j a  v a 2s .  c o  m
    }
    return scriptEngine;
}

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