| /******************************************************************************* |
| * Copyright (c) 2006, 2017 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.team.ui.history; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.Adapters; |
| import org.eclipse.team.core.RepositoryProvider; |
| import org.eclipse.team.core.history.IFileHistoryProvider; |
| import org.eclipse.team.internal.ui.Utils; |
| |
| /** |
| * Abstract HistoryPageSource class. |
| * @see IHistoryPageSource |
| * @since 3.2 |
| */ |
| public abstract class HistoryPageSource implements IHistoryPageSource { |
| |
| /** |
| * Convenience method that returns the history page source for the |
| * given object. This method only finds a source. It does not query the source |
| * to see if the source can display history for the given object. |
| * @param object the object |
| * @return he history page source for the |
| * given object |
| */ |
| public static IHistoryPageSource getHistoryPageSource(Object object) { |
| IResource resource = Utils.getResource(object); |
| if (resource != null) { |
| RepositoryProvider provider = RepositoryProvider.getProvider(resource.getProject()); |
| if (provider != null) { |
| IFileHistoryProvider fileHistoryProvider = provider.getFileHistoryProvider(); |
| if (fileHistoryProvider != null) { |
| IHistoryPageSource pageSource = Adapters.adapt(fileHistoryProvider, IHistoryPageSource.class); |
| if (pageSource != null) |
| return pageSource; |
| } |
| IHistoryPageSource pageSource = Adapters.adapt(provider, IHistoryPageSource.class); |
| if (pageSource != null) |
| return pageSource; |
| } |
| } |
| IHistoryPageSource pageSource = Adapters.adapt(object, IHistoryPageSource.class); |
| return pageSource; |
| } |
| |
| } |