| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ccvs.core; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.team.core.RepositoryProvider; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.core.subscribers.*; |
| import org.eclipse.team.core.subscribers.utils.SynchronizationCache; |
| import org.eclipse.team.core.subscribers.utils.SynchronizationSyncBytesCache; |
| import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot; |
| import org.eclipse.team.internal.ccvs.core.syncinfo.*; |
| import org.eclipse.team.internal.ccvs.core.util.ResourceStateChangeListeners; |
| |
| /** |
| * CVSWorkspaceSubscriber |
| */ |
| public class CVSWorkspaceSubscriber extends CVSSyncTreeSubscriber implements IResourceStateChangeListener { |
| |
| private SynchronizationCache remoteSynchronizer; |
| private SynchronizationCache baseSynchronizer; |
| private IComparisonCriteria comparisonCriteria; |
| |
| // qualified name for remote sync info |
| private static final String REMOTE_RESOURCE_KEY = "remote-resource-key"; //$NON-NLS-1$ |
| |
| CVSWorkspaceSubscriber(QualifiedName id, String name, String description) { |
| super(id, name, description); |
| |
| // install sync info participant |
| baseSynchronizer = new CVSBaseSynchronizationCache(); |
| remoteSynchronizer = new CVSDescendantSynchronizationCache( |
| baseSynchronizer, |
| new SynchronizationSyncBytesCache(new QualifiedName(SYNC_KEY_QUALIFIER, REMOTE_RESOURCE_KEY))); |
| |
| ResourceStateChangeListeners.getListener().addResourceStateChangeListener(this); |
| |
| comparisonCriteria = new CVSRevisionNumberCompareCriteria(); |
| } |
| |
| /* |
| * Return the list of projects shared with a CVS team provider. |
| * |
| * [Issue : this will have to change when folders can be shared with |
| * a team provider instead of the current project restriction] |
| * (non-Javadoc) |
| * @see org.eclipse.team.core.sync.ISyncTreeSubscriber#roots() |
| */ |
| public IResource[] roots() { |
| List result = new ArrayList(); |
| IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects(); |
| for (int i = 0; i < projects.length; i++) { |
| IProject project = projects[i]; |
| if(project.isOpen()) { |
| RepositoryProvider provider = RepositoryProvider.getProvider(project, CVSProviderPlugin.getTypeId()); |
| if(provider != null) { |
| result.add(project); |
| } |
| } |
| } |
| return (IProject[]) result.toArray(new IProject[result.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#resourceSyncInfoChanged(org.eclipse.core.resources.IResource[]) |
| */ |
| public void resourceSyncInfoChanged(IResource[] changedResources) { |
| internalResourceSyncInfoChanged(changedResources, true); |
| } |
| |
| private void internalResourceSyncInfoChanged(IResource[] changedResources, boolean canModifyWorkspace) { |
| // IMPORTANT NOTE: This will throw exceptions if performed during the POST_CHANGE delta phase!!! |
| for (int i = 0; i < changedResources.length; i++) { |
| IResource resource = changedResources[i]; |
| try { |
| if (resource.getType() == IResource.FILE |
| && (resource.exists() || resource.isPhantom())) { |
| byte[] remoteBytes = remoteSynchronizer.getSyncBytes(resource); |
| if (remoteBytes == null) { |
| if (remoteSynchronizer.isRemoteKnown(resource)) { |
| // The remote is known not to exist. If the local resource is |
| // managed then this information is stale |
| if (getBaseSynchronizationCache().getSyncBytes(resource) != null) { |
| if (canModifyWorkspace) { |
| remoteSynchronizer.removeSyncBytes(resource, IResource.DEPTH_ZERO); |
| } else { |
| // The revision comparison will handle the stale sync bytes |
| } |
| } |
| } |
| } else { |
| byte[] localBytes = baseSynchronizer.getSyncBytes(resource); |
| if (localBytes == null || !isLaterRevision(remoteBytes, localBytes)) { |
| if (canModifyWorkspace) { |
| remoteSynchronizer.removeSyncBytes(resource, IResource.DEPTH_ZERO); |
| } else { |
| // The getRemoteResource method handles the stale sync bytes |
| } |
| } |
| } |
| } else if (resource.getType() == IResource.FOLDER) { |
| // If the base has sync info for the folder, purge the remote bytes |
| if (getBaseSynchronizationCache().getSyncBytes(resource) != null && canModifyWorkspace) { |
| remoteSynchronizer.removeSyncBytes(resource, IResource.DEPTH_ZERO); |
| } |
| } |
| } catch (TeamException e) { |
| CVSProviderPlugin.log(e); |
| } |
| } |
| |
| fireTeamResourceChange(TeamDelta.asSyncChangedDeltas(this, changedResources)); |
| } |
| |
| private boolean isLaterRevision(byte[] remoteBytes, byte[] localBytes) { |
| try { |
| return ResourceSyncInfo.isLaterRevisionOnSameBranch(remoteBytes, localBytes); |
| } catch (CVSException e) { |
| CVSProviderPlugin.log(e); |
| return false; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#externalSyncInfoChange(org.eclipse.core.resources.IResource[]) |
| */ |
| public void externalSyncInfoChange(IResource[] changedResources) { |
| internalResourceSyncInfoChanged(changedResources, false); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#resourceModified(org.eclipse.core.resources.IResource[]) |
| */ |
| public void resourceModified(IResource[] changedResources) { |
| // This is only ever called from a delta POST_CHANGE |
| // which causes problems since the workspace tree is closed |
| // for modification and we flush the sync info in resourceSyncInfoChanged |
| |
| // Since the listeners of the Subscriber will also listen to deltas |
| // we don't need to propogate this. |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#projectConfigured(org.eclipse.core.resources.IProject) |
| */ |
| public void projectConfigured(IProject project) { |
| TeamDelta delta = new TeamDelta(this, TeamDelta.PROVIDER_CONFIGURED, project); |
| fireTeamResourceChange(new TeamDelta[] {delta}); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#projectDeconfigured(org.eclipse.core.resources.IProject) |
| */ |
| public void projectDeconfigured(IProject project) { |
| try { |
| remoteSynchronizer.removeSyncBytes(project, IResource.DEPTH_INFINITE); |
| } catch (TeamException e) { |
| CVSProviderPlugin.log(e); |
| } |
| TeamDelta delta = new TeamDelta(this, TeamDelta.PROVIDER_DECONFIGURED, project); |
| fireTeamResourceChange(new TeamDelta[] {delta}); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.core.sync.TeamSubscriber#getAllOutOfSync(org.eclipse.core.resources.IResource[], int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public SyncInfo[] getAllOutOfSync(IResource[] resources, final int depth, IProgressMonitor monitor) throws TeamException { |
| monitor.beginTask(null, resources.length * 100); |
| final List result = new ArrayList(); |
| for (int i = 0; i < resources.length; i++) { |
| IResource resource = resources[i]; |
| final IProgressMonitor infinite = Policy.infiniteSubMonitorFor(monitor, 100); |
| try { |
| // We need to do a scheduling rule on the project to |
| // avoid overly desctructive operations from occuring |
| // while we gather sync info |
| infinite.beginTask(null, 512); |
| Platform.getJobManager().beginRule(resource, Policy.subMonitorFor(infinite, 1)); |
| resource.accept(new IResourceVisitor() { |
| public boolean visit(IResource innerResource) throws CoreException { |
| try { |
| if (isOutOfSync(innerResource, infinite)) { |
| SyncInfo info = getSyncInfo(innerResource); |
| if (info != null && info.getKind() != 0) { |
| result.add(info); |
| } |
| } |
| return true; |
| } catch (TeamException e) { |
| // TODO:See bug 42795 |
| throw new CoreException(e.getStatus()); |
| } |
| } |
| }, depth, true /* include phantoms */); |
| } catch (CoreException e) { |
| throw CVSException.wrapException(e); |
| } finally { |
| Platform.getJobManager().endRule(resource); |
| infinite.done(); |
| } |
| } |
| monitor.done(); |
| return (SyncInfo[]) result.toArray(new SyncInfo[result.size()]); |
| } |
| |
| /* internal use only */ boolean isOutOfSync(IResource resource, IProgressMonitor monitor) throws TeamException { |
| return (hasIncomingChange(resource) || hasOutgoingChange(CVSWorkspaceRoot.getCVSResourceFor(resource), monitor)); |
| } |
| |
| private boolean hasOutgoingChange(ICVSResource resource, IProgressMonitor monitor) throws CVSException { |
| if (resource.isFolder()) { |
| // A folder is an outgoing change if it is not a CVS folder and not ignored |
| ICVSFolder folder = (ICVSFolder)resource; |
| // OPTIMIZE: The following checks load the CVS folder information |
| if (folder.getParent().isModified(monitor)) { |
| return !folder.isCVSFolder() && !folder.isIgnored(); |
| } |
| } else { |
| // A file is an outgoing change if it is modified |
| ICVSFile file = (ICVSFile)resource; |
| // The parent caches the dirty state so we only need to check |
| // the file if the parent is dirty |
| // OPTIMIZE: Unfortunately, the modified check on the parent still loads |
| // the CVS folder information so not much is gained |
| if (file.getParent().isModified(monitor)) { |
| return file.isModified(monitor); |
| } |
| } |
| return false; |
| } |
| |
| private boolean hasIncomingChange(IResource resource) throws TeamException { |
| return remoteSynchronizer.isRemoteKnown(resource); |
| } |
| |
| public void setRemote(IProject project, ISubscriberResource remote, IProgressMonitor monitor) throws TeamException { |
| // TODO: This exposes internal behavior to much |
| IResource[] changedResources = |
| new CVSRefreshOperation(remoteSynchronizer, baseSynchronizer, null).collectChanges(project, remote, IResource.DEPTH_INFINITE, monitor); |
| if (changedResources.length != 0) { |
| fireTeamResourceChange(TeamDelta.asSyncChangedDeltas(this, changedResources)); |
| } |
| } |
| |
| protected IResource[] refreshBase(IResource[] resources, int depth, IProgressMonitor monitor) throws TeamException { |
| // TODO Ensure that file contents are cached for modified local files |
| try { |
| monitor.beginTask(null, 100); |
| return new IResource[0]; |
| } finally { |
| monitor.done(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getRemoteTag() |
| */ |
| protected CVSTag getRemoteTag() { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getBaseTag() |
| */ |
| protected CVSTag getBaseTag() { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getBaseSynchronizationCache() |
| */ |
| protected SynchronizationCache getBaseSynchronizationCache() { |
| return baseSynchronizer; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getRemoteSynchronizationCache() |
| */ |
| protected SynchronizationCache getRemoteSynchronizationCache() { |
| return remoteSynchronizer; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.core.subscribers.TeamSubscriber#getDefaultComparisonCriteria() |
| */ |
| public IComparisonCriteria getDefaultComparisonCriteria() { |
| return comparisonCriteria; |
| } |
| } |