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:sample.fa.ScriptRunnerApplication.java

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

    JButton loadButton = new JButton("Load");
    loadButton.addActionListener(this::loadScript);
    buttonBox.add(loadButton);/*from w  w  w .  j  av  a2 s.  co  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.pentaho.reporting.ui.datasources.pmd.PmdDataSourceEditor.java

private String mapLanguageToSyntaxHighlighting(final ScriptEngineFactory script) {
    if (script == null) {
        return SyntaxConstants.SYNTAX_STYLE_NONE;
    }//from  w  w w  .j a v  a2 s .c o  m

    final String language = script.getLanguageName();
    if ("ECMAScript".equalsIgnoreCase(language) || "js".equalsIgnoreCase(language)
            || "rhino".equalsIgnoreCase(language) || "javascript".equalsIgnoreCase(language)) {
        return SyntaxConstants.SYNTAX_STYLE_JAVASCRIPT;
    }
    if ("groovy".equalsIgnoreCase(language)) {
        return SyntaxConstants.SYNTAX_STYLE_GROOVY;
    }
    return SyntaxConstants.SYNTAX_STYLE_NONE;
}

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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//from   ww w .j a  v a2 s .  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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From source file:org.pentaho.reporting.ui.datasources.jdbc.ui.JdbcDataSourceDialog.java

private String getGlobalScriptingLanguage() {
    final ScriptEngineFactory selectedValue = (ScriptEngineFactory) globalLanguageField.getSelectedItem();
    if (selectedValue == null) {
        return null;
    }//from  ww w.ja v  a  2s  .  c o  m
    return selectedValue.getLanguageName();
}

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From source file:org.omegat.gui.scripting.ScriptingWindow.java

private String listScriptEngines() {
    StringBuilder sb = new StringBuilder(OStrings.getString("SCW_LIST_ENGINES") + "\n");
    for (ScriptEngineFactory engine : ScriptRunner.MANAGER.getEngineFactories()) {
        sb.append(" - ");
        sb.append(engine.getEngineName());
        sb.append(" ");
        sb.append(engine.getLanguageName());
        sb.append(" v.");
        sb.append(engine.getLanguageVersion());
        sb.append(" (").append(OStrings.getString("SCW_EXTENSIONS")).append(" ");
        boolean hasMore = false;
        for (String ext : engine.getExtensions()) {
            if (hasMore) {
                sb.append(", ");
            }/*from w ww. ja  v a2  s. c om*/
            sb.append(ext);
            hasMore = true;
        }
        sb.append(")");
        sb.append("\n");
    }

    return sb.toString();
}

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