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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.IContainer;
import org.eclipse.core.resources.IFile;
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.IStatus;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.team.core.ITeamStatus;
import org.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.TeamStatus;
import org.eclipse.team.core.subscribers.ISubscriberChangeEvent;
import org.eclipse.team.core.subscribers.SubscriberChangeEvent;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.core.synchronize.SyncInfoSet;
import org.eclipse.team.core.variants.IResourceVariant;
import org.eclipse.team.core.variants.IResourceVariantTree;
import org.eclipse.team.core.variants.PersistantResourceVariantByteStore;
import org.eclipse.team.core.variants.ResourceVariantByteStore;
import org.eclipse.team.internal.ccvs.core.connection.CVSRepositoryLocation;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.resources.EclipseSynchronizer;
import org.eclipse.team.internal.ccvs.core.resources.RemoteFolderTreeBuilder;
import org.eclipse.team.internal.ccvs.core.syncinfo.CVSBaseResourceVariantTree;
import org.eclipse.team.internal.ccvs.core.syncinfo.CVSDescendantResourceVariantByteStore;
import org.eclipse.team.internal.ccvs.core.syncinfo.CVSResourceVariantTree;
import org.eclipse.team.internal.ccvs.core.util.ResourceStateChangeListeners;
/**
* CVSWorkspaceSubscriber
*/
public class CVSWorkspaceSubscriber extends CVSSyncTreeSubscriber implements IResourceStateChangeListener {
private CVSResourceVariantTree baseTree, remoteTree;
// 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
ResourceVariantByteStore baseSynchronizer = new CVSBaseResourceVariantTree();
baseTree = new CVSResourceVariantTree(baseSynchronizer, null, getCacheFileContentsHint()) {
public IResource[] refresh(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();
}
}
};
CVSDescendantResourceVariantByteStore remoteSynchronizer = new CVSDescendantResourceVariantByteStore(
baseSynchronizer,
new PersistantResourceVariantByteStore(new QualifiedName(SYNC_KEY_QUALIFIER, REMOTE_RESOURCE_KEY)));
remoteTree = new CVSResourceVariantTree(remoteSynchronizer, null, getCacheFileContentsHint());
ResourceStateChangeListeners.getListener().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) {
internalResourceSyncInfoChanged(changedResources, true);
}
private void internalResourceSyncInfoChanged(IResource[] changedResources, boolean canModifyWorkspace) {
getRemoteByteStore().handleResourceChanges(changedResources, canModifyWorkspace);
fireTeamResourceChange(SubscriberChangeEvent.asSyncChangedDeltas(this, changedResources));
}
/* (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) {
SubscriberChangeEvent delta = new SubscriberChangeEvent(this, ISubscriberChangeEvent.ROOT_ADDED, project);
fireTeamResourceChange(new SubscriberChangeEvent[] {delta});
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.IResourceStateChangeListener#projectDeconfigured(org.eclipse.core.resources.IProject)
*/
public void projectDeconfigured(IProject project) {
try {
getRemoteTree().flushVariants(project, IResource.DEPTH_INFINITE);
} catch (TeamException e) {
CVSProviderPlugin.log(e);
}
SubscriberChangeEvent delta = new SubscriberChangeEvent(this, ISubscriberChangeEvent.ROOT_REMOVED, project);
fireTeamResourceChange(new SubscriberChangeEvent[] {delta});
}
public void setRemote(IProject project, IResourceVariant remote, IProgressMonitor monitor) throws TeamException {
// TODO: This exposes internal behavior to much
IResource[] changedResources =
((CVSResourceVariantTree)getRemoteTree()).collectChanges(project, remote, IResource.DEPTH_INFINITE, monitor);
if (changedResources.length != 0) {
fireTeamResourceChange(SubscriberChangeEvent.asSyncChangedDeltas(this, changedResources));
}
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getBaseSynchronizationCache()
*/
protected IResourceVariantTree getBaseTree() {
return baseTree;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.CVSSyncTreeSubscriber#getRemoteSynchronizationCache()
*/
protected IResourceVariantTree getRemoteTree() {
return remoteTree;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.subscribers.Subscriber#collectOutOfSync(org.eclipse.core.resources.IResource[], int, org.eclipse.team.core.synchronize.SyncInfoSet, org.eclipse.core.runtime.IProgressMonitor)
*/
public void collectOutOfSync(IResource[] resources, int depth, final SyncInfoSet set, final IProgressMonitor monitor) {
monitor.beginTask(null, IProgressMonitor.UNKNOWN);
for (int i = 0; i < resources.length; i++) {
IResource resource = resources[i];
try {
resource.accept(new IResourceVisitor() {
public boolean visit(IResource innerResource) throws CoreException {
try {
Policy.checkCanceled(monitor);
if (innerResource.getType() != IResource.FILE) {
monitor.subTask(Policy.bind("CVSWorkspaceSubscriber.1", innerResource.getFullPath().toString())); //$NON-NLS-1$
}
if (isOutOfSync(innerResource, monitor)) {
SyncInfo info = getSyncInfo(innerResource);
if (info != null && info.getKind() != 0) {
set.add(info);
}
}
} catch (TeamException e) {
set.addError(new TeamStatus(
IStatus.ERROR, CVSProviderPlugin.ID, ITeamStatus.RESOURCE_SYNC_INFO_ERROR,
Policy.bind("CVSWorkspaceSubscriber.2", innerResource.getFullPath().toString(), e.getMessage()), e, innerResource)); //$NON-NLS-1$
}
return true;
}
}, depth, true /* include phantoms */);
} catch (CoreException e) {
set.addError(new TeamStatus(
IStatus.ERROR, CVSProviderPlugin.ID, ITeamStatus.SYNC_INFO_SET_ERROR,
e.getMessage(), e, ResourcesPlugin.getWorkspace().getRoot()));
}
}
monitor.done();
}
/* internal use only */ boolean isOutOfSync(IResource resource, IProgressMonitor monitor) throws TeamException {
return (hasIncomingChange(resource) || hasOutgoingChange(resource, monitor));
}
private boolean hasIncomingChange(IResource resource) throws TeamException {
return getRemoteByteStore().isVariantKnown(resource);
}
private boolean hasOutgoingChange(IResource resource, IProgressMonitor monitor) throws CVSException {
if (resource.getType() == IResource.PROJECT || resource.getType() == IResource.ROOT) {
// a project (or the workspace root) cannot have outgoing changes
return false;
}
int state = EclipseSynchronizer.getInstance().getModificationState(resource.getParent());
if (state == ICVSFile.CLEAN) {
// if the parent is known to be clean then the resource must also be clean
return false;
}
if (resource.getType() == IResource.FILE) {
// A file is an outgoing change if it is modified
ICVSFile file = CVSWorkspaceRoot.getCVSFileFor((IFile)resource);
return file.isModified(monitor);
} else {
// A folder is an outgoing change if it is not a CVS folder and not ignored
ICVSFolder folder = CVSWorkspaceRoot.getCVSFolderFor((IContainer)resource);
return !folder.isCVSFolder() && !folder.isIgnored();
}
}
/*
* TODO: Should not need to access this here
*/
private CVSDescendantResourceVariantByteStore getRemoteByteStore() {
return (CVSDescendantResourceVariantByteStore)((CVSResourceVariantTree)getRemoteTree()).getByteStore();
}
/**
* Update the remote tree to the base
*/
public void updateRemote(CVSTeamProvider provider, IProgressMonitor monitor) throws TeamException {
monitor.beginTask(null, 100);
ICVSResource tree = RemoteFolderTreeBuilder.buildBaseTree(
(CVSRepositoryLocation)provider.getRemoteLocation(),
provider.getCVSWorkspaceRoot().getLocalRoot(),
null,
Policy.subMonitorFor(monitor, 50));
setRemote(provider.getProject(), (IResourceVariant)tree, Policy.subMonitorFor(monitor, 50));
monitor.done();
}
}
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