Example usage for javax.script ScriptEngineManager getEngineFactories

Introduction

In this page you can find the example usage for javax.script ScriptEngineManager getEngineFactories.

Prototype

public List<ScriptEngineFactory> getEngineFactories() 

Source Link

Document

Returns a list whose elements are instances of all the ScriptEngineFactory classes found by the discovery mechanism.

Usage

From source file:EnumerateScriptEngines.java

public static void main(String[] args) {
    ScriptEngineManager manager = new ScriptEngineManager();

    List<ScriptEngineFactory> factories = manager.getEngineFactories();
    for (ScriptEngineFactory factory : factories) {
        System.out.println("Engine name (full): " + factory.getEngineName());
        System.out.println("Engine version: " + factory.getEngineVersion());
        System.out.println("Supported extensions:");
        List<String> extensions = factory.getExtensions();
        for (String extension : extensions)
            System.out.println("  " + extension);
        System.out.println("Language name: " + factory.getLanguageName());
        System.out.println("Language version: " + factory.getLanguageVersion());
        System.out.println("Supported MIME types:");
        List<String> mimetypes = factory.getMimeTypes();
        for (String mimetype : mimetypes)
            System.out.println("  " + mimetype);
        System.out.println("Supported short names:");
        List<String> shortnames = factory.getNames();
        for (String shortname : shortnames)
            System.out.println("  " + shortname);
        System.out.println();/* w w  w .  ja va 2s.co m*/
    }
}

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From source file:Main.java

public static void main(String[] args) {
    ScriptEngineManager manager = new ScriptEngineManager();

    // Get the list of all available engines
    List<ScriptEngineFactory> list = manager.getEngineFactories();

    // Print the details of each engine
    for (ScriptEngineFactory f : list) {
        System.out.println("Engine Name:" + f.getEngineName());
        System.out.println("Engine Version:" + f.getEngineVersion());
        System.out.println("Language Name:" + f.getLanguageName());
        System.out.println("Language Version:" + f.getLanguageVersion());
        System.out.println("Engine Short Names:" + f.getNames());
        System.out.println("Mime Types:" + f.getMimeTypes());
        System.out.println("===");
    }//from   w  ww.jav  a 2 s  . c  om
}

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From source file:com.xafero.vee.cmd.MainApp.java

private static void printLanguages() {
    ScriptEngineManager mgr = new ScriptEngineManager();
    for (ScriptEngineFactory factory : mgr.getEngineFactories())
        System.out.println(MoreObjects.toStringHelper("").add("name", factory.getEngineName())
                .add("version", factory.getEngineVersion())
                .add("extensions", "[ " + Strings.join(" | ", factory.getExtensions()) + " ]")
                .add("mimeTypes", "[ " + Strings.join(" | ", factory.getMimeTypes()) + " ]")
                .add("aliases", "[ " + Strings.join(" | ", factory.getNames()) + " ]")
                .add("language", factory.getLanguageName() + " " + factory.getLanguageVersion())
                .omitNullValues().toString().replace(", ", String.format(", %n ")));
}

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From source file:org.mycontroller.standalone.scripts.McScriptEngineUtils.java

public static List<HashMap<String, Object>> getScriptEnginesDetail() {
    List<HashMap<String, Object>> engines = new ArrayList<HashMap<String, Object>>();
    ScriptEngineManager mgr = McScriptEngineUtils.getScriptEngineManager();
    List<ScriptEngineFactory> factories = mgr.getEngineFactories();
    for (ScriptEngineFactory factory : factories) {
        HashMap<String, Object> engine = new HashMap<String, Object>();
        engine.put("engineName", factory.getEngineName());
        engine.put("engineVersion", factory.getEngineVersion());
        engine.put("languageName", factory.getLanguageName());
        engine.put("languageVersion", factory.getLanguageVersion());
        engine.put("extensions", factory.getExtensions());
        engine.put("alias", factory.getNames());
        engines.add(engine);/*ww  w  .  j av a  2s . c o  m*/
    }
    return engines;
}

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From source file:tools.httpserver.custom.ScriptList.java

/**
 * @return a vector containing Scriptengines names and associated languages
 *//*from   ww  w  .j  a v a2 s .com*/
public static Vector<String[]> getScriptEngines() {
    Vector<String[]> vector = new Vector<String[]>();
    ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
    for (ScriptEngineFactory factories : scriptEngineManager.getEngineFactories()) {
        boolean inserted = false;
        for (int i = 0; i < vector.size(); i++) {
            String[] s = vector.elementAt(i);
            if (s[0].compareToIgnoreCase(factories.getEngineName()) > 0) {
                vector.insertElementAt(new String[] { factories.getEngineName(), factories.getLanguageName() },
                        i);
                inserted = true;
                break;
            }
        }
        if (!inserted)
            vector.add(new String[] { factories.getEngineName(), factories.getLanguageName() });
    }
    if (javax.tools.ToolProvider.getSystemJavaCompiler() != null) {
        vector.add(new String[] { "java", "java" });
    }
    return vector;
}

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From source file:tools.httpserver.custom.ScriptList.java

/**
 * Create a new empty SpoonScript file using provided parameters
 * @param params_values parameters to use for file creation (table containing "param=value" strings)
 * @param type Set if script concerns REQMOD or RESPMOD
 * @param user User who generates the request
 * @return Action to do after: edit the new file if all is ok, return error otherwise
 *//*from  ww  w.  ja  va 2s .  c om*/
public static String create(String[] params_values, Icap.TYPE type, User user) {
    String name = null;
    String language = null;

    for (String s : params_values) {
        String[] values = s.split("=");
        if (values.length != 2)
            continue;
        if (values[0].equals("script.name"))
            name = values[1].replace("+", " ").trim();
        if (values[0].equals("script.language"))
            language = TextTools.hexToUTF8(values[1]).trim();
    }
    if (name == null || language == null) {
        error = "Invalid script name or language";
        return "";
    }
    SpoonScript[] scripts = type == Icap.TYPE.REQMOD ? icap.services.GreasySpoon.reqSpoonScripts
            : icap.services.GreasySpoon.respSpoonScripts;
    for (SpoonScript script : scripts) {
        if (script.getScriptName().equalsIgnoreCase(name)) {
            error = "A script with this name already exists.";
            return "";
        }
    }

    ScriptEngineFactory factory = null;
    ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
    for (ScriptEngineFactory factories : scriptEngineManager.getEngineFactories()) {
        if (factories.getEngineName().equalsIgnoreCase(language)) {
            factory = factories;
            break;
        }
    }
    String factorylanguage;
    String extension;
    if (factory == null) {
        if (language.equals("java")) {
            factorylanguage = "java";
            extension = "java";
        } else {
            error = "Provided language cannot be founded.";
            return "";
        }
    } else {
        factorylanguage = factory.getLanguageName();
        extension = factory.getExtensions().get(0);
    }

    String scriptdirectory = icap.services.GreasySpoon.scriptsDirectory;
    String commentstring = icap.services.GreasySpoon.languageComments.getProperty(factorylanguage, "//").trim();
    String tag;
    if (type == Icap.TYPE.REQMOD) {
        tag = icap.services.GreasySpoon.greasySpoonReqTag;
    } else {
        tag = icap.services.GreasySpoon.greasySpoonRespTag;
    }
    String filecomment = SpoonScript.getScriptSkeleton(type, extension, commentstring);

    String filename = scriptdirectory + File.separator + name.replace(" ", "_").replace("%20", "_") + tag
            + extension;

    SpoonScript.save(filename, filecomment.replace("%name%", name), user.getRights());
    icap.services.GreasySpoon.forceReload();
    return "edit=" + filename;
}

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From source file:org.apache.solr.update.processor.StatelessScriptUpdateProcessorFactory.java

/**
 * For error messages - returns null if there are any exceptions of any 
 * kind building the string (or of the list is empty for some unknown reason).
 * @param ext - if true, list of extensions, otherwise a list of engine names
 *//*from  ww w  .  j  ava 2  s  . c o m*/
private static String getSupportedEngines(ScriptEngineManager mgr, boolean ext) {
    String result = null;
    try {
        List<ScriptEngineFactory> factories = mgr.getEngineFactories();
        if (null == factories)
            return result;

        Set<String> engines = new LinkedHashSet<>(factories.size());
        for (ScriptEngineFactory f : factories) {
            if (ext) {
                engines.addAll(f.getExtensions());
            } else {
                engines.addAll(f.getNames());
            }
        }
        result = StringUtils.join(engines, ", ");
    } catch (RuntimeException e) {
        /* :NOOP: */
    }
    return result;
}

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From source file:com.tc.websocket.scripts.Script.java

/**
 * Prints the engines./*from w  ww.  java2  s  .co m*/
 */
public static void printEngines() {
    ScriptEngineManager manager = new ScriptEngineManager();
    List<ScriptEngineFactory> engines = manager.getEngineFactories();
    for (ScriptEngineFactory engine : engines) {
        System.out.println(engine.getEngineName());
    }
}

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From source file:cc.osint.graphd.script.GScriptEngine.java

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

    for (ScriptEngineFactory factory : factories) {
        log.info("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);
        }//from   www.ja  v  a 2  s.  c  om

        System.out.printf("\tLanguage: %s (%s)\n", langName, langVersion);
    }
}

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From source file:it.geosolutions.geobatch.action.scripting.ScriptingTest.java

@Test
public void testLoop() throws ScriptException {

    String engineName = "groovy";

    ScriptEngine foundEngine = null;
    // create a script engine manager
    ScriptEngineManager mgr = new ScriptEngineManager();
    List<ScriptEngineFactory> factories = mgr.getEngineFactories();
    System.out.println("FOUND " + factories.size() + " factories");
    for (ScriptEngineFactory sef : factories) {
        System.out.println("FACTORY: " + "'" + sef.getEngineName() + "' " + "'" + sef.getLanguageName() + "' "
                + "'" + sef.getExtensions() + "' " + "'" + sef.getNames() + "' ");
        if (sef.getEngineName().contains(engineName)) {
            foundEngine = sef.getScriptEngine();
        }/*  w  ww .  ja v  a2 s .  c  o  m*/

    }

    assertNotNull("Can't find engine '" + engineName + "'", foundEngine);
    foundEngine.eval("print('Hello, World')");
}

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