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

Example 76 with IExtensionPoint

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

the class NodeFactoryExtensionManager method collectNodeSetFactoryExtensions.

private void collectNodeSetFactoryExtensions() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(ID_NODE_SET);
    CheckUtils.checkState(point != null, "Invalid extension point: %s", ID_NODE_SET);
    m_nodeSetFactoryExtensions = // 
    Arrays.stream(point.getExtensions()).flatMap(// 
    ext -> Stream.of(ext.getConfigurationElements())).parallel().map(// 
    NodeSetFactoryExtension::from).filter(// 
    Optional::isPresent).map(// 
    Optional::get).collect(Collectors.toList());
    for (NodeSetFactoryExtension nodeSetFactoryExtension : m_nodeSetFactoryExtensions) {
        nodeSetFactoryExtension.getClassNameToFactoryMap().keySet().stream().forEach(clName -> m_factoryNameToNodeSetFactoryExtensionMap.put(clName, nodeSetFactoryExtension));
    }
}

Example 77 with IExtensionPoint

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

the class NodeFactoryExtensionManager method collectNodeFactoryExtensions.

private void collectNodeFactoryExtensions() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(ID_NODE);
    CheckUtils.checkState(point != null, "Invalid extension point: %s", ID_NODE);
    @SuppressWarnings("null") Iterator<IConfigurationElement> it = // 
    Arrays.stream(point.getExtensions()).flatMap(ext -> Stream.of(ext.getConfigurationElements())).iterator();
    while (it.hasNext()) {
        try {
            NodeFactoryExtension nodeFactoryExtension = new NodeFactoryExtension(it.next());
            m_factoryNameToNodeFactoryExtensionMap.put(nodeFactoryExtension.getFactoryClassName(), nodeFactoryExtension);
        } catch (IllegalArgumentException iae) {
            LOGGER.error(iae.getMessage(), iae);
        }
    }
}

Example 78 with IExtensionPoint

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

the class PortTypeRegistry method availablePortTypes.

/**
 * Returns a collection with all known data types (that registered at the extension point
 * <tt>org.knime.core.DataType</tt>. The returned collection is not sorted in any particular order.
 *
 * @return a (possibly empty) collection with data types
 */
public synchronized Collection<PortType> availablePortTypes() {
    // perform lazy initialization
    if (!m_allPortTypesRead) {
        IExtensionRegistry registry = Platform.getExtensionRegistry();
        IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
        Stream.of(point.getExtensions()).flatMap(ext -> Stream.of(ext.getConfigurationElements())).filter(e -> getObjectClass(e.getAttribute("objectClass")).isPresent()).forEach(e -> createPortTypes(e));
        m_allPortTypesRead = true;
    }
    return m_allPortTypes.values();
}

Example 79 with IExtensionPoint

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

the class TableStoreFormatRegistry method createInstance.

private static TableStoreFormatRegistry createInstance() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
    List<TableStoreFormat> formatList = Stream.of(point.getExtensions()).flatMap(ext -> Stream.of(ext.getConfigurationElements())).map(cfe -> readFormat(cfe)).filter(f -> f != null).sorted(Comparator.comparing(f -> f.getClass().getSimpleName(), (a, b) -> {
        // sort formats so that the "KNIME standard" format comes first.
        if (Objects.equals(a, b)) {
            return 0;
        } else if (DefaultTableStoreFormat.class.getName().equals(a)) {
            return -1;
        } else if (DefaultTableStoreFormat.class.getName().equals(b)) {
            return +1;
        } else {
            return a.compareTo(b);
        }
    })).collect(Collectors.toList());
    boolean hasFallback = formatList.stream().anyMatch(f -> f.getClass().equals(DefaultTableStoreFormat.class));
    CheckUtils.checkState(hasFallback, "No fallback table format registered, expected '%s' but not present in '%s'", DefaultTableStoreFormat.class.getName(), StringUtils.join(formatList.stream().map(f -> f.getClass().getName()).iterator(), ", "));
    return new TableStoreFormatRegistry(formatList);
}

Example 80 with IExtensionPoint

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

the class ImagePortObject method collectImageContentFactories.

private static Map<String, ImageContentFactory> collectImageContentFactories() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(ImageContentFactory.EXT_POINT_ID);
    if (point == null) {
        LOGGER.error("Invalid extension point: " + ImageContentFactory.EXT_POINT_ID);
        return Collections.emptyMap();
    }
    Map<String, ImageContentFactory> resultList = new HashMap<>();
    for (IConfigurationElement elem : point.getConfigurationElements()) {
        String imageContentCLName = elem.getAttribute(ImageContentFactory.EXT_POINT_ATTR_CLASS_NAME);
        String decl = elem.getDeclaringExtension().getUniqueIdentifier();
        if (imageContentCLName == null || imageContentCLName.isEmpty()) {
            LOGGER.error("The extension '" + decl + "' doesn't provide the required attribute '" + ImageContentFactory.EXT_POINT_ATTR_CLASS_NAME + "' - ignoring it");
            continue;
        }
        ImageContentFactory instance = null;
        try {
            instance = (ImageContentFactory) elem.createExecutableExtension(ImageContentFactory.EXT_POINT_ATTR_CLASS_NAME);
        } catch (Throwable t) {
            LOGGER.error("Problems during initialization of image content factory (with id '" + imageContentCLName + "'.)", t);
            if (decl != null) {
                LOGGER.error("Extension " + decl + " ignored.");
            }
        }
        if (instance != null) {
            // We do not want to add invalid image content impls to this list.
            resultList.put(instance.getImageContentClass().getName(), instance);
        }
    }
    // add the image content implementations from core
    resultList.put(PNGImageContent.class.getName(), new ImageContentFactory() {

        @Override
        public Class<? extends ImageContent> getImageContentClass() {
            return PNGImageContent.class;
        }

        @Override
        public ImageContent create(final InputStream in) throws IOException {
            return new PNGImageContent(in);
        }
    });
    return Collections.unmodifiableMap(resultList);
}