| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.examples.localhistory; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IFileState; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.core.subscribers.Subscriber; |
| import org.eclipse.team.core.synchronize.SyncInfo; |
| import org.eclipse.team.core.variants.IResourceVariant; |
| import org.eclipse.team.core.variants.IResourceVariantComparator; |
| |
| public class LocalHistorySubscriber extends Subscriber { |
| |
| private LocalHistoryVariantComparator comparator; |
| |
| public LocalHistorySubscriber() { |
| this.comparator = new LocalHistoryVariantComparator(); |
| } |
| |
| @Override |
| public String getName() { |
| return "Local History Subscriber"; //$NON-NLS-1$ |
| } |
| |
| /** |
| * @param resource the resource being tested |
| */ |
| @Override |
| public boolean isSupervised(IResource resource) { |
| // all resources in the workspace can potentially have resource history |
| return true; |
| } |
| |
| @Override |
| public IResource[] members(IResource resource) throws TeamException { |
| try { |
| if(resource.getType() == IResource.FILE) |
| return new IResource[0]; |
| IContainer container = (IContainer)resource; |
| List<IResource> existingChildren = new ArrayList<>(Arrays.asList(container.members())); |
| existingChildren.addAll(Arrays.asList(container.findDeletedMembersWithHistory(IResource.DEPTH_INFINITE, null))); |
| return existingChildren.toArray(new IResource[existingChildren.size()]); |
| } catch (CoreException e) { |
| throw TeamException.asTeamException(e); |
| } |
| } |
| |
| @Override |
| public IResource[] roots() { |
| return ResourcesPlugin.getWorkspace().getRoot().getProjects(); |
| } |
| |
| @Override |
| public SyncInfo getSyncInfo(IResource resource) throws TeamException { |
| try { |
| IResourceVariant variant = null; |
| if(resource.getType() == IResource.FILE) { |
| IFile file = (IFile)resource; |
| IFileState[] states = file.getHistory(null); |
| if(states.length > 0) { |
| // last state only |
| variant = new LocalHistoryVariant(states[0]); |
| } |
| } |
| SyncInfo info = new LocalHistorySyncInfo(resource, variant, comparator); |
| info.init(); |
| return info; |
| } catch (CoreException e) { |
| throw TeamException.asTeamException(e); |
| } |
| } |
| |
| @Override |
| public IResourceVariantComparator getResourceComparator() { |
| return comparator; |
| } |
| |
| /** |
| * @param resources |
| * the resources to refresh |
| * @param depth |
| * the depth |
| * @param monitor |
| * progress monitor, or <code>null</code> if progress reporting |
| * and cancellation are not desired |
| */ |
| @Override |
| public void refresh(IResource[] resources, int depth, IProgressMonitor monitor) { |
| // do nothing |
| } |
| } |