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/*******************************************************************************
* 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.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceVisitor;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.subscribers.SyncInfo;
import org.eclipse.team.core.subscribers.TeamDelta;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.syncinfo.OptimizedRemoteSynchronizer;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSynchronizer;
/**
* CVSWorkspaceSubscriber
*/
public class CVSWorkspaceSubscriber extends CVSSyncTreeSubscriber implements IResourceStateChangeListener {
private OptimizedRemoteSynchronizer remoteSynchronizer;
// 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
remoteSynchronizer = new OptimizedRemoteSynchronizer(REMOTE_RESOURCE_KEY);
// TODO: temporary proxy for CVS events
CVSProviderPlugin.addResourceStateChangeListener(this);
}
/*
* 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) {
// TODO: hack for clearing the remote state when anything to the resource
// sync is changed. Should be able to set the *right* remote/base based on
// the sync being set.
// TODO: 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 {
// TODO should use revision and tag to determine if remote is stale
// TODO outgoing deletions would require special handling
if (resource.getType() == IResource.FILE
&& (resource.exists() || resource.isPhantom())) {
remoteSynchronizer.removeSyncBytes(resource, IResource.DEPTH_ZERO, true /* silent */);
} else if (resource.getType() == IResource.FOLDER) {
// If the base has sync info for the folder, purge the remote bytes
if (getBaseSynchronizer().getSyncBytes(resource) != null) {
remoteSynchronizer.removeSyncBytes(resource, IResource.DEPTH_ZERO, true /* silent */);
}
}
} catch (CVSException e) {
CVSProviderPlugin.log(e);
}
}
fireTeamResourceChange(TeamDelta.asSyncChangedDeltas(this, changedResources));
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#resourceModified(org.eclipse.core.resources.IResource[])
*/
public void resourceModified(IResource[] changedResources) {
// TODO: 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, false /* not silent */);
} catch (CVSException e) {
CVSProviderPlugin.log(e);
}
TeamDelta delta = new TeamDelta(this, TeamDelta.PROVIDER_DECONFIGURED, project);
fireTeamResourceChange(new TeamDelta[] {delta});
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getRemoteSynchronizer()
*/
protected ResourceSynchronizer getRemoteSynchronizer() {
return remoteSynchronizer;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getBaseSynchronizer()
*/
protected ResourceSynchronizer getBaseSynchronizer() {
return remoteSynchronizer.getBaseSynchronizer();
}
/* (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];
ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
final IProgressMonitor infinite = Policy.infiniteSubMonitorFor(monitor, 100);
try {
// We need to do a scheduling rule on the project because
// the EclipseSynchronizer currently obtains rules which causes
// many workers to be created (see bug 41979).
Platform.getJobManager().beginRule(resource);
infinite.beginTask(null, 512);
resource.accept(new IResourceVisitor() {
public boolean visit(IResource resource) throws CoreException {
try {
if (isOutOfSync(resource, infinite)) {
SyncInfo info = getSyncInfo(resource, infinite);
if (info != null && info.getKind() != 0) {
result.add(info);
}
}
return true;
} catch (TeamException e) {
// TODO: This is probably not the right thing to do here
throw new CoreException(e.getStatus());
}
}
}, depth, true /* include phantoms */);
} catch (CoreException e) {
throw CVSException.wrapException(e);
} finally {
Platform.getJobManager().endRule();
infinite.done();
}
}
monitor.done();
return (SyncInfo[]) result.toArray(new SyncInfo[result.size()]);
}
private boolean isOutOfSync(IResource resource, IProgressMonitor monitor) throws CVSException {
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;
// TODO: The parent caches the dirty state so we only need to check
// the file if the parent is dirty.
// TODO: Unfortunately, the modified check on the parent still loads
// the CVS folder information so not much is gained
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;
// TODO: The parent chaches the dirty state so we only need to check
// the file if the parent is dirty
if (file.getParent().isModified(monitor)) {
return file.isModified(monitor);
}
}
return false;
}
private boolean hasIncomingChange(IResource resource) throws CVSException {
return remoteSynchronizer.isRemoteKnown(resource);
}
}
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