| /******************************************************************************* |
| * Copyright (c) 2009, 2019 IBM Corporation and others. |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.designtime.resolver; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jst.jsf.core.internal.JSFCorePlugin; |
| |
| /*package*/ class SymbolContextResolverReader |
| { |
| private static List<IAdaptable> _handlers = null; |
| |
| /** |
| * @return all available handers for the ext-pt. List is not |
| * modifiable |
| */ |
| public static synchronized List<IAdaptable> getAllHandlers() { |
| if (_handlers == null) { |
| _handlers = readAllHandlers(); |
| } |
| return Collections.unmodifiableList(_handlers); |
| } |
| |
| private static List<IAdaptable> readAllHandlers() |
| { |
| final List<IAdaptable> result = new ArrayList<IAdaptable>(); |
| final IExtensionPoint extensionPoint = Platform.getExtensionRegistry() |
| .getExtensionPoint(JSFCorePlugin.PLUGIN_ID, |
| "symbolContextResolverFactory"); //$NON-NLS-1$ |
| final IExtension[] extensions = extensionPoint.getExtensions(); |
| |
| for (final IExtension ext : extensions) |
| { |
| final IConfigurationElement[] elementEditElement = ext |
| .getConfigurationElements(); |
| |
| for (final IConfigurationElement configurationElement : elementEditElement) |
| { |
| final IConfigurationElement element = configurationElement; |
| if (element.getName().equals( |
| "symbolFactoryDelegate")) //$NON-NLS-1$ |
| { |
| try |
| { |
| final IAdaptable factory = (IAdaptable) configurationElement |
| .createExecutableExtension("class"); //$NON-NLS-1$ |
| if (factory != null) |
| { |
| result.add(factory); |
| } |
| |
| } catch (final CoreException e) |
| { |
| JSFCorePlugin.log("Problem loading element edit extension for "+element.toString(), e); //$NON-NLS-1$ |
| } |
| } |
| } |
| } |
| return result; |
| } |
| |
| } |