Example usage for javax.script ScriptEngineFactory getLanguageName

Introduction

In this page you can find the example usage for javax.script ScriptEngineFactory getLanguageName.

Prototype

public String getLanguageName();

Source Link

Document

Returns the name of the scripting language supported by this ScriptEngine.

Usage

From source file:ca.hedlund.jiss.preprocessor.LangPreprocessor.java

private void printLangs(JissModel model, StringBuffer cmd) {
    final ScriptEngineManager manager = new ScriptEngineManager(JissModel.class.getClassLoader());
    final List<String> cmds = new ArrayList<String>();

    for (ScriptEngineFactory factory : manager.getEngineFactories()) {
        final String engineInfo = factory.getLanguageName() + " " + factory.getLanguageVersion() + ":"
                + factory.getEngineName() + " " + factory.getEngineVersion();
        cmds.add(createPrintCmd(model, engineInfo));
    }//w  ww  .  ja va  2  s . c  om
    final ScriptEngineFactory factory = model.getScriptEngine().getFactory();
    final String prog = StringEscapeUtils.unescapeJava(factory.getProgram(cmds.toArray(new String[0])));
    cmd.append(prog);
}

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From source file:ca.hedlund.jiss.preprocessor.LangPreprocessor.java

private void printCurrentLang(JissModel model, StringBuffer cmd) {
    final List<String> cmds = new ArrayList<String>();

    final ScriptEngineFactory factory = model.getScriptEngine().getFactory();
    final String engineInfo = factory.getLanguageName() + " " + factory.getLanguageVersion() + ":"
            + factory.getEngineName() + " " + factory.getEngineVersion();
    cmds.add(createPrintCmd(model, engineInfo));

    final String prog = StringEscapeUtils.unescapeJava(factory.getProgram(cmds.toArray(new String[0])));
    cmd.append(prog);/*from   www  .  ja v a 2 s. c o  m*/
}

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From source file:ca.hedlund.jiss.preprocessor.LangPreprocessor.java

@Override
public boolean preprocessCommand(JissModel jissModel, String orig, StringBuffer cmd) {
    final String c = cmd.toString();
    if (c.equals("::langs")) {
        cmd.setLength(0);/* w  w w.ja  v  a  2s . c  om*/
        printLangs(jissModel, cmd);
    } else if (c.equals("::lang")) {
        cmd.setLength(0);
        printCurrentLang(jissModel, cmd);
    } else if (c.startsWith("::lang")) {
        cmd.setLength(0);

        final String parts[] = c.split("\\p{Space}");
        if (parts.length == 2) {
            final String lang = parts[1];

            final ScriptEngineManager manager = new ScriptEngineManager(JissModel.class.getClassLoader());
            ScriptEngine newEngine = null;
            for (ScriptEngineFactory factory : manager.getEngineFactories()) {
                if (factory.getLanguageName().equals(lang) || factory.getExtensions().contains(lang)
                        || factory.getMimeTypes().contains(lang)) {
                    newEngine = factory.getScriptEngine();
                    break;
                }
            }

            if (newEngine != null) {
                jissModel.setScriptEngine(newEngine);
                printCurrentLang(jissModel, cmd);
            }
        }
    }
    return false;
}

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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();
        }//from   w  ww  .j  a v  a 2  s  .c o  m

    }

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

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

@Test
public void testGetEngineByExt() throws ScriptException {

    String engineExt = "js";

    ScriptEngineManager mgr = new ScriptEngineManager();
    // create a JavaScript engine
    ScriptEngine engine = mgr.getEngineByExtension(engineExt);
    assertNotNull("Can't find engine '" + engineExt + "'", engine);

    ScriptEngineFactory sef = engine.getFactory();
    System.out.println("FACTORY for " + engineExt + ": " + "'" + sef.getEngineName() + "' " + "'"
            + sef.getLanguageName() + "' " + "'" + sef.getExtensions() + "' " + "'" + sef.getNames() + "' ");

    // evaluate JavaScript code from String
    engine.eval("print('Hello, World')");

}

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

@Test
public void testGroovy() throws ScriptException {

    String engineName = "groovy";

    ScriptEngineManager mgr = new ScriptEngineManager();
    // create a JavaScript engine
    ScriptEngine engine = mgr.getEngineByName(engineName);
    assertNotNull("Can't find engine '" + engineName + "'", engine);

    ScriptEngineFactory sef = engine.getFactory();
    System.out.println("FACTORY for " + engineName + ": " + "'" + sef.getEngineName() + "' " + "'"
            + sef.getLanguageName() + "' " + "'" + sef.getExtensions() + "' " + "'" + sef.getNames() + "' ");

    // evaluate code from String
    engine.eval("println \"hello, groovy\"");
}

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From source file:com.seajas.search.profiler.controller.ModifierController.java

/**
 * Available script languages.//from w  w  w.  j a  va2s.  com
 * 
 * @return Map<String, String>
 */
@ModelAttribute("scriptLanguages")
public Map<String, String> populateScriptLanguages() {
    Map<String, String> scriptLanguages = new LinkedHashMap<String, String>();

    for (ScriptEngineFactory factory : new ScriptEngineManager().getEngineFactories())
        if (factory.getLanguageName().equalsIgnoreCase("ECMAScript"))
            scriptLanguages.put(factory.getLanguageName(), "JavaScript");
        else if (factory.getLanguageName().equalsIgnoreCase("Groovy")
                || factory.getLanguageName().equalsIgnoreCase("Scala")
                || factory.getLanguageName().equalsIgnoreCase("Ruby"))
            scriptLanguages.put(factory.getLanguageName(), StringUtils.capitalize(factory.getLanguageName()));

    scriptLanguages.put("xslt", "XSLT");

    return scriptLanguages;
}

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From source file:org.springframework.data.hadoop.scripting.Jsr223ScriptEvaluator.java

protected ScriptEngine discoverEngine(ScriptSource script, Map<String, Object> arguments) {
    ScriptEngineManager engineManager = new ScriptEngineManager(classLoader);
    ScriptEngine engine = null;//from w  w w.  ja v a 2 s .co  m

    if (StringUtils.hasText(language)) {
        engine = engineManager.getEngineByName(language);
    } else {
        // make use the extension (enhanced ScriptSource interface)
        Assert.hasText(extension, "no language or extension specified");
        engine = engineManager.getEngineByExtension(extension);
    }

    Assert.notNull(engine, "No suitable engine found for "
            + (StringUtils.hasText(language) ? "language " + language : "extension " + extension));

    if (log.isDebugEnabled()) {
        ScriptEngineFactory factory = engine.getFactory();
        log.debug(String.format("Using ScriptEngine %s (%s), language %s (%s)", factory.getEngineName(),
                factory.getEngineVersion(), factory.getLanguageName(), factory.getLanguageVersion()));
    }

    return engine;
}

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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 w ww. ja  v a  2s. c om

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

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From source file:org.pentaho.platform.plugin.condition.scriptable.ScriptableCondition.java

public void setListAvailableEngines(final boolean value) {
    this.listAvailableEngines = value;
    if (value) {//from w  w  w  .  j a  va  2  s. c  o m
        System.out.println("*** DEBUG - Display Script Engine List ***");
        ScriptEngineManager manager = new ScriptEngineManager();
        List<ScriptEngineFactory> factories = manager.getEngineFactories();
        for (ScriptEngineFactory factory : factories) {
            System.out.println(String.format("Engine %s, Version %s, Language %s, Registered Names: %s",
                    factory.getEngineName(), factory.getEngineVersion(), factory.getLanguageName(),
                    factory.getNames().toString()));
        }
    }
}

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