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

Example 71 with IConfigurationElement

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

the class RepositoryManager method readNodeSets.

/**
 * @param isInExpertMode
 */
private void readNodeSets(final IProgressMonitor monitor) {
    // 
    // Process the contributed node sets
    // 
    Iterator<IConfigurationElement> it = Stream.of(RepositoryManager.getExtensions(ID_NODE_SET)).flatMap(ext -> Stream.of(ext.getConfigurationElements())).filter(elem -> !"true".equalsIgnoreCase(elem.getAttribute("deprecated"))).iterator();
    while (it.hasNext()) {
        IConfigurationElement elem = it.next();
        try {
            Collection<DynamicNodeTemplate> dynamicNodeTemplates = RepositoryFactory.createNodeSet(m_root, elem);
            for (DynamicNodeTemplate node : dynamicNodeTemplates) {
                if (monitor.isCanceled()) {
                    return;
                }
                for (Listener l : m_loadListeners) {
                    l.newNode(m_root, node);
                }
                m_nodesById.put(node.getID(), node);
                String nodeName = node.getID();
                nodeName = nodeName.substring(nodeName.lastIndexOf('.') + 1);
                // Ask the root to lookup the category-container located
                // at
                // the given path
                IContainerObject parentContainer = m_root.findContainer(node.getCategoryPath());
                // the node to the repository root.
                if (parentContainer == null) {
                    LOGGER.warn("Invalid category-path for node " + "contribution: '" + node.getCategoryPath() + "' - adding to root instead");
                    m_root.addChild(node);
                } else {
                    // everything is fine, add the node to its parent
                    // category
                    parentContainer.addChild(node);
                }
            }
        } catch (Throwable t) {
            String message = "Node " + elem.getAttribute("factory-class") + "' from plugin '" + elem.getNamespaceIdentifier() + "' could not be created.";
            Bundle bundle = Platform.getBundle(elem.getNamespaceIdentifier());
            if ((bundle == null) || (bundle.getState() != Bundle.ACTIVE)) {
                // if the plugin is null, the plugin could not
                // be activated maybe due to a not
                // activateable plugin (plugin class cannot be found)
                message += " The corresponding plugin " + "bundle could not be activated!";
            }
            LOGGER.error(message, t);
        }
    }
}

Example 72 with IConfigurationElement

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

the class OpenInteractiveWebViewAction method getViewClassByReflection.

private static Class<?> getViewClassByReflection(final String className, final IConfigurationElement[] confElements) {
    Class<?> viewClass = null;
    try {
        for (IConfigurationElement element : confElements) {
            if (className.equals(element.getAttribute("viewClass"))) {
                viewClass = Platform.getBundle(element.getDeclaringExtension().getContributor().getName()).loadClass(element.getAttribute("viewClass"));
            }
        }
    } catch (Exception e) {
    /* do nothing */
    }
    if (viewClass != null) {
        try {
            Method isEnabledM = viewClass.getMethod("isEnabled");
            boolean isEnabled = (boolean) isEnabledM.invoke(null);
            return isEnabled ? viewClass : null;
        } catch (Exception e) {
            return viewClass;
        }
    }
    return null;
}

Example 73 with IConfigurationElement

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

the class DatabaseDriverLoader method loadDriversFromExtensionPoint.

/**
 * Loads all JDBC driver registered via the extension point.
 */
private static void loadDriversFromExtensionPoint() {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
    if (point == null) {
        throw new IllegalStateException("Invalid extension point id: " + EXT_POINT_ID);
    }
    for (IExtension ext : point.getExtensions()) {
        IConfigurationElement[] elements = ext.getConfigurationElements();
        for (IConfigurationElement e : elements) {
            String path = e.getAttribute("jarFile");
            String bundleId = e.getDeclaringExtension().getNamespaceIdentifier();
            Bundle bundle = Platform.getBundle(bundleId);
            URL jdbcUrl = FileLocator.find(bundle, new Path(path), null);
            if (jdbcUrl != null) {
                ClassLoader bundleClassLoader = bundle.adapt(BundleWiring.class).getClassLoader();
                try {
                    loadDriver(new File(FileLocator.toFileURL(jdbcUrl).getPath()), bundleClassLoader, false);
                } catch (IOException ex) {
                    LOGGER.error("Could not load JDBC driver '" + path + "': " + ex.getMessage(), ex);
                }
            } else {
                LOGGER.error("Could not find JDBC driver file '" + path + "' from plug-in '" + bundleId + "'");
            }
        }
    }
}

Example 74 with IConfigurationElement

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

the class NodeExecutionJobManagerPool method collectJobManagerFactories.

private static void collectJobManagerFactories() {
    managerFactories = new LinkedHashMap<String, NodeExecutionJobManagerFactory>();
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint(EXT_POINT_ID);
    if (point == null) {
        // let's throw in the default manager - otherwise things fail badly
        managerFactories.put(getDefaultJobManagerFactory().getID(), getDefaultJobManagerFactory());
        LOGGER.error("Invalid extension point: " + EXT_POINT_ID);
        throw new IllegalStateException("ACTIVATION ERROR: " + " --> Invalid extension point: " + EXT_POINT_ID);
    }
    for (IConfigurationElement elem : point.getConfigurationElements()) {
        String jobMgr = elem.getAttribute(EXT_POINT_ATTR_JOBMGR);
        String decl = elem.getDeclaringExtension().getUniqueIdentifier();
        if (jobMgr == null || jobMgr.isEmpty()) {
            LOGGER.error("The extension '" + decl + "' doesn't provide the required attribute '" + EXT_POINT_ATTR_JOBMGR + "'");
            LOGGER.error("Extension " + decl + " ignored.");
            continue;
        }
        // try instantiating the job manager.
        NodeExecutionJobManagerFactory instance = null;
        try {
            // TODO: THE THREADED MANAGER NEEDS TO BE RE-WRITTEN!
            if (jobMgr.equals(getDefaultJobManagerFactory().getID())) {
                instance = getDefaultJobManagerFactory();
            } else {
                instance = (NodeExecutionJobManagerFactory) elem.createExecutableExtension(EXT_POINT_ATTR_JOBMGR);
            }
        } catch (UnsatisfiedLinkError ule) {
            // in case an implementation tries to load an external lib
            // when the factory class gets loaded
            LOGGER.error("Unable to load a library required for '" + jobMgr + "'");
            LOGGER.error("Either specify it in the -Djava.library.path " + "option at the program's command line, or");
            LOGGER.error("include it in the LD_LIBRARY_PATH variable.");
            LOGGER.error("Extension " + jobMgr + " ('" + decl + "') ignored.", ule);
        } catch (CoreException ex) {
            Throwable cause = ex.getStatus().getException();
            if (cause != null) {
                LOGGER.error("Problems during initialization of job manager (with id '" + jobMgr + "'): " + cause.getMessage(), ex);
                if (decl != null) {
                    LOGGER.error("Extension " + decl + " ignored.");
                }
            } else {
                LOGGER.error("Problems during initialization of job manager (with id '" + jobMgr + "')", ex);
                if (decl != null) {
                    LOGGER.error("Extension " + decl + " ignored.");
                }
            }
        } catch (Throwable t) {
            LOGGER.error("Problems during initialization of job manager (with id '" + jobMgr + "')", t);
            if (decl != null) {
                LOGGER.error("Extension " + decl + " ignored.");
            }
        }
        if (instance != null) {
            /*
                 * make sure the ThreadedJobManagerFactory is always the first
                 * in the list
                 */
            if ((instance instanceof ThreadPool) && managerFactories.size() > 0) {
                Map<String, NodeExecutionJobManagerFactory> old = managerFactories;
                managerFactories = new LinkedHashMap<String, NodeExecutionJobManagerFactory>();
                managerFactories.put(instance.getID(), instance);
                for (Map.Entry<String, NodeExecutionJobManagerFactory> e : old.entrySet()) {
                    managerFactories.put(e.getKey(), e.getValue());
                }
            } else {
                managerFactories.put(instance.getID(), instance);
            }
        }
    }
}

Example 75 with IConfigurationElement

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

the class DataTypeRegistry method availableDataTypes.

/**
 * Returns a collection with all known data types (that are registered at the extension point
 * <tt>org.knime.core.DataType</tt>).
 *
 * @return a (possibly empty) collection with data types
 */
public synchronized Collection<DataType> availableDataTypes() {
    // perform lazy initialization
    if (m_allDataTypes != null) {
        return m_allDataTypes;
    }
    List<DataType> types = new ArrayList<>();
    for (IConfigurationElement configElement : m_factories.values()) {
        try {
            DataCellFactory fac = (DataCellFactory) configElement.createExecutableExtension("factoryClass");
            types.add(fac.getDataType());
        } catch (CoreException e) {
            NodeLogger.getLogger(getClass()).error("Could not create data cell factory '" + configElement.getAttribute("factoryClass") + "' for '" + configElement.getAttribute("cellClass") + "' from plug-in '" + configElement.getNamespaceIdentifier() + "': " + e.getMessage(), e);
        }
    }
    m_allDataTypes = Collections.unmodifiableCollection(types);
    return types;
}