Example usage for javax.script ScriptEngine ENGINE_VERSION

Introduction

In this page you can find the example usage for javax.script ScriptEngine ENGINE_VERSION.

Prototype

String ENGINE_VERSION

To view the source code for javax.script ScriptEngine ENGINE_VERSION.

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Document

Reserved key for a named value that identifies the version of the ScriptEngine implementation.

Usage

From source file:org.trafodion.rest.script.ScriptManager.java

private ScriptManager() {
    List<ScriptEngineFactory> engines = manager.getEngineFactories();
    if (engines.isEmpty()) {
        LOG.warn("No scripting engines were found");
        return;//from   w w w.j av a  2 s .c om
    }

    StringBuffer sb = new StringBuffer();
    sb.append("\nThe following " + engines.size() + " scripting engine(s) were found");

    for (ScriptEngineFactory engine : engines) {
        sb.append("\nEngine name: " + engine.getEngineName() + "\nVersion: " + engine.getEngineVersion()
                + "\nLanguage: " + engine.getLanguageName());
        List<String> extensions = engine.getExtensions();
        if (extensions.size() > 0) {
            sb.append("\n\tEngine supports the following extensions:");
            for (String e : extensions) {
                sb.append("\n\t\t" + e);
            }
        }
        List<String> shortNames = engine.getNames();
        if (shortNames.size() > 0) {
            sb.append("\n\tEngine has the following short names:");
            for (String n : engine.getNames()) {
                sb.append("\n\t\t" + n);
            }
        }

        String[] params = { ScriptEngine.ENGINE, ScriptEngine.ENGINE_VERSION, ScriptEngine.LANGUAGE,
                ScriptEngine.LANGUAGE_VERSION, ScriptEngine.NAME, "THREADING" };

        sb.append("\n\tEngine has the following parameters:");
        for (String param : params) {
            sb.append("\n\t\t" + param + " = " + engine.getParameter(param));
        }
        sb.append("\n=========================");
    }
    LOG.debug(sb.toString());

    //Get -Drest.home.dir
    restHome = System.getProperty("rest.home.dir");

    //Start the scripts directory watcher
    watcherWorker = new ScriptManagerWatcher("ScriptManagerWatcher", restHome + "/bin/scripts");
}

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