ScriptUtil.java 文件源码

/**
 * Executes a compiled script and returns the result.
 * 
 * @param script Compiled script.
 * @param functionName Optional function or method to invoke.
 * @param scriptContext Script execution context.
 * @return The script result.
 * @throws IllegalArgumentException
 */
public static Object executeScript(CompiledScript script, String functionName, ScriptContext scriptContext, Object[] args) throws ScriptException, NoSuchMethodException {
    Assert.notNull("script", script, "scriptContext", scriptContext);
    Object result = script.eval(scriptContext);
    if (UtilValidate.isNotEmpty(functionName)) {
        if (Debug.verboseOn()) {
            Debug.logVerbose("Invoking function/method " + functionName, module);
        }
        ScriptEngine engine = script.getEngine();
        try {
            Invocable invocableEngine = (Invocable) engine;
            result = invocableEngine.invokeFunction(functionName, args == null ? EMPTY_ARGS : args);
        } catch (ClassCastException e) {
            throw new ScriptException("Script engine " + engine.getClass().getName() + " does not support function/method invocations");
        }
    }
    return result;
}