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Diffstat (limited to 'bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/SyncFileChangeListener.java')
| -rw-r--r-- | bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/SyncFileChangeListener.java | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/SyncFileChangeListener.java b/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/SyncFileChangeListener.java deleted file mode 100644 index 422679659..000000000 --- a/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/SyncFileChangeListener.java +++ /dev/null @@ -1,202 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2002 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v0.5 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v05.html - * - * Contributors: - * IBM - Initial implementation - ******************************************************************************/ -package org.eclipse.team.internal.ccvs.core.util; - -import java.util.Arrays; -import java.util.HashSet; -import java.util.Set; - -import org.eclipse.core.resources.IContainer; -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IFolder; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.IResourceChangeEvent; -import org.eclipse.core.resources.IResourceChangeListener; -import org.eclipse.core.resources.IResourceDelta; -import org.eclipse.core.resources.IResourceDeltaVisitor; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.Status; -import org.eclipse.team.core.RepositoryProvider; -import org.eclipse.team.internal.ccvs.core.CVSException; -import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin; -import org.eclipse.team.internal.ccvs.core.Policy; -import org.eclipse.team.internal.ccvs.core.resources.EclipseSynchronizer; - -/* - * Listens to CVS meta-file changes and notifies the EclipseSynchronizer of changes made to sync files - * by 3rd parties. - * - * If CVS meta-directories are created outside of the CVS plugin their team-private state will be set - * by this listener however this change won't be known to other plugins because it does not generate - * a delta. As a result views, such as the navigator, may show CVS team-private directories. There - * are some common scenarios where a user may (depending on the order of delta traversal) see - * this behavior: - * - * 1. A user has an existing CVS project outside of Eclipse. By creating the project in Eclipse to point - * to the existing location the project's contents will be brought into Eclipse and the CVS folders - * will be marlked as team-private but other delta listeners that have handled the event already won't receive - * notification that the resource is now team-private. As a result, the user may have to close views or - * restart the workbench to have the CVS folders filtered. - * - * 2. A user performs CVS command line operations outside of Eclipse that result in new CVS folders. - * From Eclipse the refresh local will bring in the new folders and they will be marked as team-private. - * But as in 1, they may not appear in the UI. - * - * See: http://dev.eclipse.org/bugs/show_bug.cgi?id=12386 - */ -public class SyncFileChangeListener implements IResourceChangeListener { - /* - * When a resource changes this method will detect if the changed resources is a meta file that has changed - * by a 3rd party. For example, if the command line tool was run and then the user refreshed from local. To - * distinguish changes made by this class and thoses made by others a modification stamp is persisted with each - * metafile. - * - * @see IResourceChangeListener#resourceChanged(IResourceChangeEvent) - */ - public void resourceChanged(IResourceChangeEvent event) { - try { - final Set changedContainers = new HashSet(); - event.getDelta().accept(new IResourceDeltaVisitor() { - public boolean visit(IResourceDelta delta) throws CoreException { - IResource resource = delta.getResource(); - - if(resource.getType()==IResource.ROOT) { - // continue with the delta - return true; - } - - String name = resource.getName(); - int kind = delta.getKind(); - IResource[] toBeNotified = new IResource[0]; - - if(name.equals(SyncFileWriter.CVS_DIRNAME)) { - handleCVSDir((IContainer)resource, kind); - } else { - // Inform the synchronizer about folder creations - if (kind == delta.ADDED && resource.getType() == IResource.FOLDER) { - try { - EclipseSynchronizer.getInstance().folderCreated((IFolder)resource); - } catch (CVSException e) { - throw new CoreException(e.getStatus()); - } - } - } - - if(isMetaFile(resource)) { - toBeNotified = handleChangedMetaFile(resource, kind); - } else if(name.equals(SyncFileWriter.IGNORE_FILE)) { - toBeNotified = handleChangedIgnoreFile(resource, kind); - } - - if(toBeNotified.length>0 && isModifiedBy3rdParty(resource)) { - for (int i = 0; i < toBeNotified.length; i++) { - changedContainers.add(toBeNotified[i]); - } - if(Policy.DEBUG_METAFILE_CHANGES) { - System.out.println("[cvs] metafile changed by 3rd party: " + resource.getFullPath()); //$NON-NLS-1$ - } - return false; /*don't visit any children we have all the information we need*/ - } else { - return true; - } - } - }, IContainer.INCLUDE_TEAM_PRIVATE_MEMBERS); - - if(!changedContainers.isEmpty()) { - EclipseSynchronizer.getInstance().syncFilesChanged((IContainer[])changedContainers.toArray(new IContainer[changedContainers.size()])); - } - } catch(CoreException e) { - CVSProviderPlugin.log(e.getStatus()); - } catch(CVSException e) { - CVSProviderPlugin.log(e.getStatus()); - } - } - - /* - * Consider non-existing resources as being recently deleted and thus modified, and resources - * with modification stamps that differ from when the CVS plugin last modified the meta-file. - */ - protected boolean isModifiedBy3rdParty(IResource resource) { - if(!resource.exists()) return true; - long modStamp = resource.getModificationStamp(); - Long whenWeWrote; - try { - whenWeWrote = (Long)resource.getSessionProperty(SyncFileWriter.MODSTAMP_KEY); - } catch(CoreException e) { - CVSProviderPlugin.log(e.getStatus()); - whenWeWrote = null; - } - return (whenWeWrote==null || whenWeWrote.longValue() != modStamp); - } - - /* - * If it's a new CVS directory with the canonical child metafiles then mark it as team-private. Otherwise - * if changed or deleted - */ - protected void handleCVSDir(IContainer cvsDir, int kind) { - if((kind & IResourceDelta.ALL_WITH_PHANTOMS)!=0) { - if(kind==IResourceDelta.ADDED) { - // should this dir be made team-private? If it contains CVS/Root and CVS/Repository then yes! - IFile rootFile = cvsDir.getFile(new Path(SyncFileWriter.ROOT)); - IFile repositoryFile = cvsDir.getFile(new Path(SyncFileWriter.REPOSITORY)); - if(rootFile.exists() && repositoryFile.exists() && !cvsDir.isTeamPrivateMember()) { - try { - cvsDir.setTeamPrivateMember(true); - if(Policy.DEBUG_METAFILE_CHANGES) { - System.out.println("[cvs] found a new CVS meta folder, marking as team-private: " + cvsDir.getFullPath()); //$NON-NLS-1$ - } - } catch(CoreException e) { - CVSProviderPlugin.log(CVSException.wrapException(cvsDir, Policy.bind("SyncFileChangeListener.errorSettingTeamPrivateFlag"), e)); //$NON-NLS-1$ - } - } - } - } - } - - /* - * It's a meta file if it's parent is a team-private CVS folder. - */ - protected boolean isMetaFile(IResource resource) { - IContainer parent = resource.getParent(); - return resource.getType() == IResource.FILE && - parent!=null && - parent.getName().equals(SyncFileWriter.CVS_DIRNAME) && - parent.isTeamPrivateMember(); - } - - /* - * This is a meta file (e.g. folder/CVS/Entries), notify that 'folder' and it's immediate children - * may have their CVS sync state changed. If the 'folder' is deleted than no notification is - * required. - */ - protected IContainer[] handleChangedMetaFile(IResource resource, int kind) { - IContainer changedContainer = resource.getParent().getParent(); - if(changedContainer.exists()) { - return new IContainer[] {changedContainer}; - } else { - return new IContainer[0]; - } - } - - /* - * This is an ignore file (e.g. folder/.cvsignore), notify that 'folder' and it's immediate children - * may have their CVS sync state changed. - */ - protected IContainer[] handleChangedIgnoreFile(IResource resource, int kind) { - IContainer changedContainer = resource.getParent(); - if(changedContainer.exists()) { - return new IContainer[] {changedContainer}; - } else { - return new IContainer[0]; - } - } -}
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