Example usage for javax.script ScriptEngineFactory getEngineVersion

List of usage examples for javax.script ScriptEngineFactory getEngineVersion

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Introduction

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

Prototype

public String getEngineVersion();

Source Link

Document

Returns the version of the ScriptEngine.

Usage

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  ava2  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()));
        }
    }
}

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 ww  w . j  av a  2  s .co m*/
}

From source file:org.apache.accumulo.core.util.shell.commands.ScriptCommand.java

private void listJSREngineInfo(ScriptEngineManager mgr, Shell shellState) throws IOException {
    List<ScriptEngineFactory> factories = mgr.getEngineFactories();
    Set<String> lines = new TreeSet<String>();
    for (ScriptEngineFactory factory : factories) {
        lines.add("ScriptEngineFactory Info");
        String engName = factory.getEngineName();
        String engVersion = factory.getEngineVersion();
        String langName = factory.getLanguageName();
        String langVersion = factory.getLanguageVersion();
        lines.add("\tScript Engine: " + engName + " (" + engVersion + ")");
        List<String> engNames = factory.getNames();
        for (String name : engNames) {
            lines.add("\tEngine Alias: " + name);
        }//from  www  . j  a  v a2s . c  om
        lines.add("\tLanguage: " + langName + " (" + langVersion + ")");
    }
    shellState.printLines(lines.iterator(), true);

}

From source file:org.apache.felix.webconsole.plugins.scriptconsole.internal.ScriptEngineManager.java

private Collection<?> registerFactory(final EngineManagerState mgr, final ScriptEngineFactory factory,
        final Map<Object, Object> props) {
    log.log(LogService.LOG_INFO,//from  w  w  w.java 2  s.  co m
            String.format("Adding ScriptEngine %s, %s for language %s, %s", factory.getEngineName(),
                    factory.getEngineVersion(), factory.getLanguageName(), factory.getLanguageVersion()));

    mgr.factories.add(factory);
    mgr.factoryProperties.put(factory, props);
    for (Object ext : factory.getExtensions()) {
        mgr.extensionAssociations.put((String) ext, factory);
    }
    return factory.getExtensions();
}

From source file:com.aionemu.commons.scripting.AionScriptEngineManager.java

private AionScriptEngineManager() {
    ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
    List<ScriptEngineFactory> factories = scriptEngineManager.getEngineFactories();
    if (USE_COMPILED_CACHE) {
        _cache = loadCompiledScriptCache();
    } else {/*from  w w w.  jav a 2  s  . c  o m*/
        _cache = null;
    }
    log.info("Initializing Script Engine Manager");

    for (ScriptEngineFactory factory : factories) {
        try {
            log.info("Script Engine: " + factory.getEngineName() + " " + factory.getEngineVersion()
                    + " - Language: " + factory.getLanguageName() + " " + factory.getLanguageVersion());

            ScriptEngine engine = factory.getScriptEngine();

            for (String name : factory.getNames()) {
                if (_nameEngines.containsKey(name))
                    throw new IllegalStateException("Multiple script engines for the same name!");

                _nameEngines.put(name, engine);
            }

            for (String ext : factory.getExtensions()) {
                if (_extEngines.containsKey(ext))
                    throw new IllegalStateException("Multiple script engines for the same extension!");

                _extEngines.put(ext, engine);
            }
        } catch (Exception e) {
            log.warn("Failed initializing factory.", e);
        }
    }
}

From source file:com.l2jfree.gameserver.scripting.L2ScriptEngineManager.java

private L2ScriptEngineManager() {
    ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
    List<ScriptEngineFactory> factories = scriptEngineManager.getEngineFactories();
    if (USE_COMPILED_CACHE) {
        _cache = loadCompiledScriptCache();
    } else {/*ww  w  .j a  v  a 2 s  .  c o m*/
        _cache = null;
    }
    _log.info("Initializing Script Engine Manager");

    for (ScriptEngineFactory factory : factories) {
        try {
            _log.info("Script Engine: " + factory.getEngineName() + " " + factory.getEngineVersion()
                    + " - Language: " + factory.getLanguageName() + " " + factory.getLanguageVersion());

            ScriptEngine engine = factory.getScriptEngine();

            for (String name : factory.getNames()) {
                if (_nameEngines.containsKey(name))
                    throw new IllegalStateException("Multiple script engines for the same name!");

                _nameEngines.put(name, engine);
            }

            for (String ext : factory.getExtensions()) {
                if (_extEngines.containsKey(ext))
                    throw new IllegalStateException("Multiple script engines for the same extension!");

                _extEngines.put(ext, engine);
            }
        } catch (Exception e) {
            _log.warn("Failed initializing factory.", e);
        }
    }

    preConfigure();
}

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

@Override
public boolean preprocessCommand(JissModel jissModel, String orig, StringBuffer cmd) {
    final String c = cmd.toString();
    if (c.equals(INFO_CMD)) {
        // clear string
        cmd.setLength(0);// ww w . j  av a2  s.co m

        final ScriptEngine se = jissModel.getScriptEngine();
        final ScriptEngineFactory seFactory = se.getFactory();

        final boolean incnl = !seFactory.getOutputStatement("").startsWith("println");

        final String infoCmd = seFactory.getOutputStatement(INFO_TXT + (incnl ? "\\n" : ""));
        final String langCmd = seFactory.getOutputStatement("Language:" + seFactory.getLanguageName() + " "
                + seFactory.getLanguageVersion() + (incnl ? "\\n" : ""));
        final String engineCmd = seFactory.getOutputStatement("Engine:" + seFactory.getEngineName() + " "
                + seFactory.getEngineVersion() + (incnl ? "\\n" : ""));
        final String program = seFactory.getProgram(infoCmd, langCmd, engineCmd);
        cmd.append(StringEscapeUtils.unescapeJava(program));
    }
    // we want the scripting engine to handle the replaced command
    return false;
}

From source file:org.openadaptor.auxil.processor.script.ScriptProcessor.java

/**
 * Locates a ScriptEngine for the current language.
 * <br>/*www.  j  av a2  s  . com*/
 * Complicated slightly by differences between implementations 
 * in java 1.5 and earlier versus 1.6 and later.
 * See Issue [SC52]
 * <br>
 * 
 * @return ScriptEngine instance for the current language
 */
protected ScriptEngine createScriptEngine() {
    ScriptEngine engine = null;
    ScriptEngineManager mgr = new ScriptEngineManager();
    List factories = getEngineFactories(mgr);
    Iterator it = factories.iterator();
    while (it.hasNext() && (engine == null)) { //More factories to try, and no match yet.
        ScriptEngineFactory factory = (ScriptEngineFactory) it.next();
        if (log.isDebugEnabled()) { //Debug code to identify origins of factories etc.
            Object origin = ClasspathUtils.getClassOrigin(mgr);
            if (origin == null) {
                origin = "<JRE>";
            }
            log.debug("ScriptEngineManager loaded from: " + origin);
            origin = ClasspathUtils.getClassOrigin(factory);
            if (origin == null) {
                origin = "<JRE>";
            }
            String name = factory.getEngineName();
            String version = factory.getEngineVersion();
            log.debug("ScriptEngineFactory " + name + " (" + version + "): " + origin);
        }
        try {
            List aliases = getFactoryNames(factory);
            if (aliases != null) { //If null couldn't get any for factory.
                Iterator aliasIterator = aliases.iterator();
                while (aliasIterator.hasNext()) {
                    if (language.equals(aliasIterator.next())) {
                        log.debug("Found matching script engine for " + language);
                        engine = factory.getScriptEngine();
                        break;
                    }
                }
            } else {
                log.debug("Failed to get names for factory " + factory.getEngineName());
            }
        } catch (AbstractMethodError ame) {
            log.debug("Failed to interrogate Factory - " + factory.getEngineName());
        }
    }
    if (engine == null) {
        log.error("Failed to find engine for language " + language);
        throw new RuntimeException("Failed to find engine for language " + language);
    }
    return engine;
}