Example usage for javax.script ScriptEngineFactory getEngineName

Introduction

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

Prototype

public String getEngineName();

Source Link

Document

Returns the full name of the 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));
    }//ww w.j a  v a2 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  ww  w.  ja va2  s .c o  m*/
}

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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) {// w  w w. j  a v  a 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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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);
        }/* w  w w. j ava  2 s  .  co m*/
        lines.add("\tLanguage: " + langName + " (" + langVersion + ")");
    }
    shellState.printLines(lines.iterator(), true);

}

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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,/* w w  w  . ja  v a 2s. c  o 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();
}

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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);/*w ww . j  a v  a2s .  c  o  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;
}

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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 {//  w  w  w  .j a  v  a 2 s.com
        _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);
        }
    }
}

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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 {//from   w w  w .jav  a2 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();
}

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From source file:sample.fa.ScriptRunnerApplication.java

void createGUI() {
    Box buttonBox = Box.createHorizontalBox();

    JButton loadButton = new JButton("Load");
    loadButton.addActionListener(this::loadScript);
    buttonBox.add(loadButton);//  w w  w.j a  v  a2 s .  c  o  m

    JButton saveButton = new JButton("Save");
    saveButton.addActionListener(this::saveScript);
    buttonBox.add(saveButton);

    JButton executeButton = new JButton("Execute");
    executeButton.addActionListener(this::executeScript);
    buttonBox.add(executeButton);

    languagesModel = new DefaultComboBoxModel();

    ScriptEngineManager sem = new ScriptEngineManager();
    for (ScriptEngineFactory sef : sem.getEngineFactories()) {
        languagesModel.addElement(sef.getScriptEngine());
    }

    JComboBox<ScriptEngine> languagesCombo = new JComboBox<>(languagesModel);
    JLabel languageLabel = new JLabel();
    languagesCombo.setRenderer((JList<? extends ScriptEngine> list, ScriptEngine se, int index,
            boolean isSelected, boolean cellHasFocus) -> {
        ScriptEngineFactory sef = se.getFactory();
        languageLabel.setText(sef.getEngineName() + " - " + sef.getLanguageName() + " (*."
                + String.join(", *.", sef.getExtensions()) + ")");
        return languageLabel;
    });
    buttonBox.add(Box.createHorizontalGlue());
    buttonBox.add(languagesCombo);

    scriptContents = new JTextArea();
    scriptContents.setRows(8);
    scriptContents.setColumns(40);

    scriptResults = new JTextArea();
    scriptResults.setEditable(false);
    scriptResults.setRows(8);
    scriptResults.setColumns(40);

    JSplitPane jsp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, scriptContents, scriptResults);

    JFrame frame = new JFrame("Script Runner");
    frame.add(buttonBox, BorderLayout.NORTH);
    frame.add(jsp, BorderLayout.CENTER);

    frame.pack();
    frame.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    });
    frame.setVisible(true);
}

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From source file:org.jahia.utils.ScriptEngineUtils.java

/**
 * Determines whether the specified {@link ScriptEngineFactory} supports at least one of the script names
 * declared by the given OSGi headers assuming they provide a value for the
 * {@link BundleScriptingConfigurationConstants#JAHIA_MODULE_SCRIPTING_VIEWS} header.
 *
 * @param scriptFactory the ScriptEngineFactory whose support for views defined in the specified bundle is to be
 *                      determined/* www . j  ava  2s  .  c o m*/
 * @param headers       the OSGi headers to be checked if declared view technologies defined by the {@link
 *                      BundleScriptingConfigurationConstants#JAHIA_MODULE_SCRIPTING_VIEWS} OSGI header are
 *                      supported by the specified ScriptEngineFactory
 * @return {@code true} if the specified ScriptEngineFactory can handle at least one of the specified script names,
 * {@code false} otherwise. Note that if the headers contain the {@link BundleScriptingConfigurationConstants#JAHIA_MODULE_HAS_VIEWS}
 * header with a "{@code no}" value, we won't look at other headers since the module has indicated that it shouldn't
 * contain any views so the factory shouldn't attempt to process any it might find.
 */
public static boolean canFactoryProcessViews(ScriptEngineFactory scriptFactory,
        Dictionary<String, String> headers) {
    if (scriptFactory == null) {
        throw new IllegalArgumentException("ScriptEngineFactory is null");
    }

    if (headers != null) {

        final String hasViews = headers.get(BundleScriptingConfigurationConstants.JAHIA_MODULE_HAS_VIEWS);
        if ("no".equalsIgnoreCase(StringUtils.trim(hasViews))) {
            // if the bundle indicated that it doesn't provide views, the factory shouldn't process it regardless
            // of other configuration
            return false;
        } else {
            final String commaSeparatedScriptNames = headers
                    .get(BundleScriptingConfigurationConstants.JAHIA_MODULE_SCRIPTING_VIEWS);
            // check if the bundle provided a list of of comma-separated scripting language names for the views it provides
            // the bundle should only be scanned if it defined the header and the header contains the name or language of the factory associated with the extension
            final String[] split = StringUtils.split(commaSeparatedScriptNames, ',');
            if (split != null) {
                // check extensions
                final List<String> extensions = scriptFactory.getExtensions();
                List<String> scriptNames = new ArrayList<>(split.length);
                for (String scriptName : split) {
                    String script = scriptName.trim().toLowerCase();
                    scriptNames.add(script);
                    if (extensions.contains(script)) {
                        return true;
                    }
                }

                return scriptNames.contains(scriptFactory.getEngineName().trim().toLowerCase())
                        || scriptNames.contains(scriptFactory.getLanguageName().trim().toLowerCase());
            }
        }
    }
    return false;
}

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