| /******************************************************************************* |
| * Copyright (c) 2009, 2010 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ui.synchronize.patch; |
| |
| import java.util.*; |
| |
| import org.eclipse.compare.internal.core.patch.*; |
| import org.eclipse.compare.internal.patch.PatchProjectDiffNode; |
| import org.eclipse.compare.internal.patch.WorkspacePatcher; |
| import org.eclipse.compare.patch.IHunk; |
| import org.eclipse.compare.structuremergeviewer.IDiffElement; |
| import org.eclipse.core.resources.*; |
| 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.subscribers.SubscriberChangeEvent; |
| import org.eclipse.team.core.synchronize.SyncInfo; |
| import org.eclipse.team.core.variants.IResourceVariant; |
| import org.eclipse.team.core.variants.IResourceVariantComparator; |
| import org.eclipse.team.internal.core.mapping.LocalResourceVariant; |
| |
| public class ApplyPatchSubscriber extends Subscriber { |
| |
| private class ApplyPatchSyncInfo extends SyncInfo { |
| private ApplyPatchSyncInfo(IResource local, IResourceVariant base, |
| IResourceVariant remote, IResourceVariantComparator comparator) { |
| super(local, base, remote, comparator); |
| } |
| |
| @Override |
| protected int calculateKind() throws TeamException { |
| // TODO: this works only for files, see bug 300214 |
| if (!getPatcher().isEnabled(PatchModelProvider.getPatchObject(getLocal(), patcher))) |
| return IN_SYNC; |
| |
| // same story here, one merged hunk is enough to consider the file as merged |
| if (getRemote() != null) { |
| FilePatch2 filePatch2 = ((PatchedFileVariant)getRemote()).getDiff(); |
| IHunk[] hunks = filePatch2.getHunks(); |
| for (int i = 0; i < hunks.length; i++) { |
| if (patcher.isManuallyMerged((Hunk) hunks[i])) |
| return IN_SYNC; |
| } |
| } else { |
| // deletions don't have the remote variant, but still can be manually merged |
| Object patchObject = PatchModelProvider.getPatchObject(getLocal(), patcher); |
| if (patchObject instanceof FilePatch2) { |
| FilePatch2 filePatch2 = (FilePatch2) patchObject; |
| IHunk[] hunks = filePatch2.getHunks(); |
| for (int i = 0; i < hunks.length; i++) { |
| if (patcher.isManuallyMerged((Hunk) hunks[i])) |
| return IN_SYNC; |
| } |
| } |
| } |
| int kind = super.calculateKind(); |
| // mark diffs with problems as conflicts |
| if (getRemote() != null |
| && getPatcher().getDiffResult(((PatchedFileVariant)getRemote()).getDiff()).containsProblems()) |
| kind |= CONFLICTING; |
| return kind; |
| } |
| } |
| |
| private WorkspacePatcher patcher; |
| private IResourceVariantComparator comparator; |
| |
| public ApplyPatchSubscriber(WorkspacePatcher patcher) { |
| this.patcher = patcher; |
| this.comparator = new PatchedFileVariantComparator(); |
| getPatcher().refresh(); |
| } |
| |
| @Override |
| public String getName() { |
| return "Apply Patch Subscriber"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public IResourceVariantComparator getResourceComparator() { |
| return comparator; |
| } |
| |
| @Override |
| public SyncInfo getSyncInfo(IResource resource) throws TeamException { |
| if (!isSupervised(resource)) return null; |
| // TODO: called too many times, optimize |
| refresh(new IResource[] { resource }, IResource.DEPTH_ZERO, null); |
| try { |
| FilePatch2 diff = (FilePatch2) PatchModelProvider.getPatchObject(resource, getPatcher()); |
| // use null as remote variant for deletions |
| IResourceVariant remote = null; |
| if (diff.getDiffType(patcher.isReversed()) != FilePatch2.DELETION) |
| remote = new PatchedFileVariant(getPatcher(), diff); |
| IResourceVariant base = null; |
| if (diff.getDiffType(patcher.isReversed()) != FilePatch2.ADDITION) |
| base = new LocalResourceVariant(resource); |
| SyncInfo info = new ApplyPatchSyncInfo(resource, base, remote, getResourceComparator()); |
| info.init(); |
| return info; |
| } catch (CoreException e) { |
| throw TeamException.asTeamException(e); |
| } |
| } |
| |
| @Override |
| public boolean isSupervised(IResource resource) throws TeamException { |
| return resource.getType() == IResource.FILE |
| && PatchModelProvider.getPatchObject(resource, getPatcher()) != null; |
| } |
| |
| @Override |
| public IResource[] members(IResource resource) throws TeamException { |
| //XXX: what if there is an addition in the patch that needs to add 3 subfolders? |
| try { |
| if(resource.getType() == IResource.FILE) |
| // file has no IResource members |
| return new IResource[0]; |
| IContainer container = (IContainer) resource; |
| |
| // workspace container members |
| List existingChildren = new ArrayList(); |
| |
| if (container.isAccessible()) |
| existingChildren.addAll(Arrays.asList(container.members())); |
| |
| // patch members, subscriber location |
| FilePatch2[] diffs = getPatcher().getDiffs(); |
| for (int i = 0; i < diffs.length; i++) { |
| IResource file = PatchModelProvider.getFile(diffs[i], getPatcher()); |
| if (container.getFullPath().isPrefixOf(file.getFullPath())) { |
| // XXX: check segments |
| if (!container.exists(file.getProjectRelativePath())) { |
| existingChildren.add(file); |
| } |
| } |
| } |
| return (IResource[]) existingChildren.toArray(new IResource[existingChildren.size()]); |
| } catch (CoreException e) { |
| throw TeamException.asTeamException(e); |
| } |
| } |
| |
| @Override |
| public void refresh(IResource[] resources, int depth, |
| IProgressMonitor monitor) throws TeamException { |
| Set /* <FilePatch> */diffs = new HashSet(); |
| for (int i = 0; i < resources.length; i++) { |
| Object object = PatchModelProvider.getPatchObject(resources[i], |
| getPatcher()); |
| if (object instanceof FilePatch2) { |
| FilePatch2 filePatch = (FilePatch2) object; |
| diffs.add(filePatch); |
| } |
| } |
| getPatcher().refresh((FilePatch2[]) diffs.toArray(new FilePatch2[0])); |
| } |
| |
| @Override |
| public IResource[] roots() { |
| Set roots = new HashSet(); |
| if (getPatcher().isWorkspacePatch()) { |
| IDiffElement[] children = PatchModelProvider.getPatchWorkspace(this).getChildren(); |
| for (int i = 0; i < children.length; i++) { |
| // return array of projects from the patch |
| DiffProject diffProject = ((PatchProjectDiffNode)children[i]).getDiffProject(); |
| IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(diffProject.getName()); |
| if (project.isAccessible()) |
| roots.add(project); |
| } |
| } else { |
| roots.add(getPatcher().getTarget()); |
| } |
| return (IResource[]) roots.toArray(new IResource[0]); |
| } |
| |
| public WorkspacePatcher getPatcher() { |
| return patcher; |
| } |
| |
| public void merged(IResource[] resources) { |
| fireTeamResourceChange(SubscriberChangeEvent.asSyncChangedDeltas(this, resources)); |
| } |
| } |