| /******************************************************************************* |
| * Copyright (c) 2010, 2011 Tasktop Technologies and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.versions.core; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.MultiStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.internal.versions.core.ScmInternal; |
| import org.eclipse.mylyn.versions.core.spi.ScmConnector; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.team.core.RepositoryProvider; |
| |
| /** |
| * @author Steffen Pingel |
| */ |
| public class ScmCore { |
| |
| private static HashMap<String, ScmConnector> connectorById = new HashMap<String, ScmConnector>(); |
| |
| public static IResource findResource(String file) { |
| IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); |
| IPath path = new Path(file); |
| path.makeRelative(); |
| IResource resource = findResource(root, path); |
| if (resource == null) { |
| for (IProject project : root.getProjects()) { |
| resource = project.findMember(path); |
| if (resource != null) { |
| break; |
| } |
| } |
| } |
| return resource; |
| } |
| |
| private static IResource findResource(IWorkspaceRoot root, IPath path) { |
| while (path.segmentCount() > 1) { |
| IResource resource = root.findMember(path); |
| if (resource != null) { |
| return resource; |
| } |
| path = path.removeFirstSegments(1); |
| } |
| return null; |
| } |
| |
| public static List<ScmConnector> getAllRegisteredConnectors() { |
| List<ScmConnector> scmConnectors = new ArrayList<ScmConnector>(); |
| String[] teamProviderIds = RepositoryProvider.getAllProviderTypeIds(); |
| for (String providerId : teamProviderIds) { |
| ScmConnector connector = getScmConnectorById(providerId); |
| if (connector != null) { |
| scmConnectors.add(connector); |
| } |
| } |
| return scmConnectors; |
| } |
| |
| public static ScmConnector getConnector(IResource resource) { |
| if (!RepositoryProvider.isShared(resource.getProject())) { |
| return null; |
| } |
| |
| RepositoryProvider provider = RepositoryProvider.getProvider(resource.getProject()); |
| return getScmConnectorById(provider.getID()); |
| } |
| |
| private synchronized static ScmConnector getScmConnectorById(String id) { |
| ScmConnector connector = connectorById.get(id); |
| if (connector == null) { |
| connector = loadConnector(id); |
| connectorById.put(id, connector); |
| } |
| return connector; |
| } |
| |
| private static ScmConnector loadConnector(String id) { |
| Assert.isNotNull(id); |
| MultiStatus result = new MultiStatus(ScmInternal.ID_PLUGIN, 0, "Scm connectors failed to load.", null); //$NON-NLS-1$ |
| |
| IExtensionRegistry registry = Platform.getExtensionRegistry(); |
| IExtensionPoint connectorsExtensionPoint = registry.getExtensionPoint(ScmInternal.ID_PLUGIN + ".connectors"); //$NON-NLS-1$ |
| IExtension[] extensions = connectorsExtensionPoint.getExtensions(); |
| for (IExtension extension : extensions) { |
| IConfigurationElement[] elements = extension.getConfigurationElements(); |
| for (IConfigurationElement element : elements) { |
| if (id.equals(element.getAttribute("id"))) { //$NON-NLS-1$ |
| try { |
| Object object = element.createExecutableExtension("core"); //$NON-NLS-1$ |
| if (object instanceof ScmConnector) { |
| return (ScmConnector) object; |
| } else { |
| result.add(new Status( |
| IStatus.ERROR, |
| ScmInternal.ID_PLUGIN, |
| NLS.bind( |
| "Connector core ''{0}'' does not extend expected class for extension contributed by {1}", //$NON-NLS-1$ |
| object.getClass().getCanonicalName(), element.getContributor().getName()))); |
| } |
| } catch (Throwable e) { |
| result.add(new Status( |
| IStatus.ERROR, |
| ScmInternal.ID_PLUGIN, |
| NLS.bind( |
| "Connector core failed to load for extension contributed by {0}", element.getContributor().getName()), e)); //$NON-NLS-1$ |
| } |
| } |
| } |
| } |
| |
| if (!result.isOK()) { |
| StatusHandler.log(result); |
| } |
| |
| return null; |
| } |
| |
| } |