Examples with IExtensionRegistry org.eclipse.core.runtime.IExtensionRegistry used on opensource projects

Example 46 with IExtensionRegistry

use of org.eclipse.core.runtime.IExtensionRegistry in project knime-core by knime.

the class DataTypeRegistry method scanExtensionPointForSerializer.

private <T extends DataCell> Optional<DataCellSerializer<T>> scanExtensionPointForSerializer(final String cellClassName) {
    // not found => scan extension point
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
    Optional<IConfigurationElement> o = Stream.of(point.getExtensions()).flatMap(ext -> Stream.of(ext.getConfigurationElements())).flatMap(cfe -> Stream.of(cfe.getChildren("serializer"))).filter(cfe -> cfe.getAttribute("cellClass").equals(cellClassName)).findFirst();
    if (o.isPresent()) {
        IConfigurationElement configElement = o.get();
        return createSerializer(configElement);
    } else {
        return Optional.empty();
    }
}

Example 47 with IExtensionRegistry

use of org.eclipse.core.runtime.IExtensionRegistry in project knime-core by knime.

the class DataTypeRegistry method scanExtensionPointForAllSerializers.

private void scanExtensionPointForAllSerializers() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
    Stream.of(point.getExtensions()).flatMap(ext -> Stream.of(ext.getConfigurationElements())).flatMap(cfe -> Stream.of(cfe.getChildren("serializer"))).filter(cfe -> !m_cellClassMap.containsKey(cfe.getAttribute("cellClass"))).forEach(cfe -> createSerializer(cfe));
}

Example 48 with IExtensionRegistry

use of org.eclipse.core.runtime.IExtensionRegistry in project knime-core by knime.

the class ExtensibleUtilityFactory method loadAllFactories.

/*
     * Load all extensible utility factories by traversing the renderer extension point. Not all factories may be
     * loaded if nobody has access the data type yet.
     * TODO This should be changed once we have an extension point for data types
     */
@SuppressWarnings("unchecked")
private static void loadAllFactories() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
    assert point != null : "Invalid extension point id: " + EXT_POINT_ID;
    for (IExtension ext : point.getExtensions()) {
        IConfigurationElement[] elements = ext.getConfigurationElements();
        for (IConfigurationElement valueClassElement : elements) {
            String valueClassName = valueClassElement.getAttribute("valueClass");
            try {
                DataType.getUtilityFor((Class<? extends DataValue>) Class.forName(valueClassName));
            } catch (ClassNotFoundException ex) {
                NodeLogger.getLogger(ExtensibleUtilityFactory.class).coding("Could not find implementation for " + valueClassName, ex);
            }
        }
    }
}

Example 49 with IExtensionRegistry

use of org.eclipse.core.runtime.IExtensionRegistry in project knime-core by knime.

the class OpenInteractiveWebViewAction method getConfiguredWizardNodeView.

@SuppressWarnings({ "rawtypes", "unchecked" })
static AbstractWizardNodeView getConfiguredWizardNodeView(final ViewableModel model) {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IConfigurationElement[] configurationElements = registry.getConfigurationElementsFor("org.knime.core.WizardNodeView");
    Class<?> viewClass = null;
    String classString = JSCorePlugin.getDefault().getPreferenceStore().getString(JSCorePlugin.P_VIEW_BROWSER);
    if (StringUtils.isNotEmpty(classString)) {
        // try loading selected view
        viewClass = getViewClassByReflection(classString, configurationElements);
        if (viewClass == null) {
            LOGGER.error("JS view set in preferences (" + classString + ") can't be loaded. Switching to default.");
        }
    }
    if (viewClass == null) {
        // try loading defaults
        viewClass = getViewClassByReflection(CHROMIUM_BROWSER, configurationElements);
        if (viewClass == null) {
            viewClass = getViewClassByReflection(CHROME_BROWSER, configurationElements);
            try {
                Method isChromePresentM = viewClass.getMethod("isChromePresent");
                boolean isChromePresent = (boolean) isChromePresentM.invoke(null);
                if (!isChromePresent) {
                    // no Chrome found on system, defaulting to SWT browser
                    viewClass = null;
                }
            } catch (Exception e) {
            /* do nothing */
            }
        }
    }
    if (viewClass != null) {
        try {
            Method isEnabledM = viewClass.getMethod("isEnabled");
            boolean isEnabled = (boolean) isEnabledM.invoke(null);
            if (!isEnabled) {
                LOGGER.error("JS view (" + classString + ") is not available. Falling back to internal SWT browser.");
                viewClass = null;
            }
        } catch (Exception e) {
        /*do nothing */
        }
    }
    if (viewClass != null) {
        try {
            Constructor<?> constructor = viewClass.getConstructor(ViewableModel.class);
            return (AbstractWizardNodeView) constructor.newInstance(model);
        } catch (Exception e) {
            LOGGER.error("JS view can not be initialized. Falling back to internal SWT browser.");
        }
    }
    return new WizardNodeView(model);
}

Example 50 with IExtensionRegistry

use of org.eclipse.core.runtime.IExtensionRegistry in project knime-core by knime.

the class RepositoryManager method getExtensions.

/**
 * Returns the extensions for a given extension point.
 *
 * @param pointID The extension point ID
 *
 * @return The extensions
 */
private static IExtension[] getExtensions(final String pointID) {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(pointID);
    if (point == null) {
        throw new IllegalStateException("Invalid extension point : " + pointID);
    }
    return point.getExtensions();
}