| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.ccvs.core.filehistory; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.team.core.RepositoryProvider; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.core.history.IFileHistoryProvider; |
| import org.eclipse.team.core.history.IFileRevision; |
| import org.eclipse.team.core.history.provider.FileHistory; |
| import org.eclipse.team.internal.ccvs.core.*; |
| import org.eclipse.team.internal.ccvs.core.client.Session; |
| 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.RemoteFile; |
| |
| public class CVSFileHistory extends FileHistory { |
| |
| protected ICVSFile cvsFile; |
| //used to hold all revisions (changes based on filtering) |
| protected IFileRevision[] revisions; |
| //used to hold all of the remote revisions |
| protected IFileRevision[] remoteRevisions; |
| //used to hold all of the local revisions |
| protected IFileRevision[] localRevisions; |
| protected boolean includeLocalRevisions; |
| protected boolean includeRemoteRevisions; |
| protected boolean includesExists; |
| protected boolean refetchRevisions; |
| |
| private int flag; |
| |
| /* |
| * Creates a new CVSFile history that will fetch remote revisions by default. |
| */ |
| public CVSFileHistory(ICVSFile file) { |
| this.cvsFile = file; |
| this.includeLocalRevisions = false; |
| this.includeRemoteRevisions = true; |
| this.refetchRevisions = true; |
| this.flag = 0; |
| } |
| |
| /* |
| * |
| * Creates a new CVSFile history that will fetch remote revisions by default. |
| * The flag passed can be IFileHistoryProvider.SINGLE_REVISION or IFileHistoryProvider.SINGLE_LINE_OF_DESCENT |
| */ |
| public CVSFileHistory(ICVSFile file, int flag) { |
| this.cvsFile = file; |
| this.includeLocalRevisions = false; |
| this.includeRemoteRevisions = true; |
| this.refetchRevisions = true; |
| this.flag = flag; |
| } |
| |
| public IFileRevision[] getFileRevisions() { |
| if (revisions == null) |
| return new IFileRevision[0]; |
| return revisions; |
| } |
| |
| /** |
| * Refreshes the revisions for this CVS file. It may or may not contact the server to get new revisions. |
| * |
| * @param monitor a progress monitor |
| */ |
| public void refresh(IProgressMonitor monitor) throws TeamException { |
| if (refetchRevisions) { |
| monitor.beginTask(NLS.bind(CVSMessages.CVSFileHistory_0, cvsFile.getRepositoryRelativePath()), 300); |
| try { |
| ILogEntry[] entries = cvsFile.getLogEntries(new SubProgressMonitor(monitor, 200)); |
| |
| if (entries.length == 0){ |
| //Get the parent folder |
| ICVSFolder folder = cvsFile.getParent(); |
| if (folder.isManaged()){ |
| String remoteFolderLocation = folder.getRemoteLocation(folder); |
| String remoteFileName = remoteFolderLocation.concat(Session.SERVER_SEPARATOR + cvsFile.getName()); |
| //Create remote file |
| CVSTeamProvider pro = (CVSTeamProvider) RepositoryProvider.getProvider(cvsFile.getIResource().getProject()); |
| if (pro != null){ |
| CVSWorkspaceRoot root = pro.getCVSWorkspaceRoot(); |
| CVSRepositoryLocation location = CVSRepositoryLocation.fromString(root.getRemoteLocation().getLocation(false)); |
| RemoteFile remFile = RemoteFile.create(remoteFileName, location); |
| entries=remFile.getLogEntries(monitor); |
| } |
| } |
| } |
| |
| if (flag == IFileHistoryProvider.SINGLE_REVISION) { |
| String revisionNumber = cvsFile.getSyncInfo().getRevision(); |
| for (int i = 0; i < entries.length; i++) { |
| if (entries[i].getRevision().equals(revisionNumber)) { |
| remoteRevisions = new IFileRevision[] {new CVSFileRevision(entries[i])}; |
| revisions = new IFileRevision[1]; |
| //copy over remote revisions |
| System.arraycopy(remoteRevisions, 0, revisions, 0, remoteRevisions.length); |
| break; |
| } |
| } |
| |
| } else if (flag == IFileHistoryProvider.SINGLE_LINE_OF_DESCENT) { |
| CVSTag tempTag = cvsFile.getSyncInfo().getTag(); |
| ArrayList entriesOfInterest = new ArrayList(); |
| for (int i = 0; i < entries.length; i++) { |
| CVSTag[] tags = entries[i].getTags(); |
| for (int j = 0; j < tags.length; j++) { |
| if (tags[j].getType() == tempTag.getType()) { |
| if (tempTag.getType() == CVSTag.BRANCH && tempTag.getName().equals(tags[j].getName())) { |
| entriesOfInterest.add(entries[i]); |
| break; |
| } else { |
| entriesOfInterest.add(entries[i]); |
| break; |
| } |
| } |
| |
| } |
| } |
| |
| //always fetch the remote revisions, just filter them out from the returned array |
| remoteRevisions = new IFileRevision[entriesOfInterest.size()]; |
| Iterator iter = entriesOfInterest.iterator(); |
| int i = 0; |
| while (iter.hasNext()) { |
| remoteRevisions[i++] = new CVSFileRevision((ILogEntry) iter.next()); |
| } |
| |
| //copy over remote revisions |
| revisions = new IFileRevision[remoteRevisions.length]; |
| System.arraycopy(remoteRevisions, 0, revisions, 0, remoteRevisions.length); |
| |
| } else { |
| localRevisions = new IFileRevision[0]; |
| //always fetch the local revisions, just filter them out from the returned array if not wanted |
| IResource localResource = cvsFile.getIResource(); |
| includesExists = false; |
| if (localResource != null && localResource instanceof IFile) { |
| //get the local revisions |
| IFileState[] localHistoryState; |
| try { |
| localHistoryState = ((IFile) localResource).getHistory(new SubProgressMonitor(monitor, 100)); |
| localRevisions = convertToFileRevision(localHistoryState, new SubProgressMonitor(monitor, 100)); |
| includesExists = (localRevisions.length > 0); |
| } catch (CoreException e) { |
| TeamException.asTeamException(e); |
| } |
| } |
| |
| //always fetch the remote revisions, just filter them out from the returned array |
| remoteRevisions = new IFileRevision[entries.length]; |
| for (int i = 0; i < entries.length; i++) { |
| remoteRevisions[i] = new CVSFileRevision(entries[i]); |
| } |
| |
| revisions = new IFileRevision[0]; |
| arrangeRevisions(); |
| } |
| } finally { |
| monitor.done(); |
| } |
| } else { |
| //don't refetch revisions just return revisions with local revisions as requested |
| arrangeRevisions(); |
| } |
| |
| } |
| |
| private void arrangeRevisions() { |
| if (revisions != null) { |
| if (includeLocalRevisions && includeRemoteRevisions) { |
| //Local + Remote mode |
| revisions = new IFileRevision[remoteRevisions.length + localRevisions.length]; |
| //copy over remote revisions |
| System.arraycopy(remoteRevisions, 0, revisions, 0, remoteRevisions.length); |
| //copy over local revisions |
| System.arraycopy(localRevisions, 0, revisions, remoteRevisions.length, localRevisions.length); |
| } else if (includeLocalRevisions) { |
| //Local mode only |
| revisions = new IFileRevision[localRevisions.length]; |
| //copy over local revisions |
| System.arraycopy(localRevisions, 0, revisions, 0, localRevisions.length); |
| } else if (includeRemoteRevisions) { |
| //Remote mode and fall through for Local + Remote mode where no Locals exist |
| revisions = new IFileRevision[remoteRevisions.length]; |
| //copy over remote revisions |
| System.arraycopy(remoteRevisions, 0, revisions, 0, remoteRevisions.length); |
| } |
| } |
| } |
| |
| public IFileRevision getFileRevision(String id) { |
| IFileRevision[] revisions = getFileRevisions(); |
| for (int i = 0; i < revisions.length; i++) { |
| if (revisions[i].getContentIdentifier().equals(id)) |
| return revisions[i]; |
| } |
| return null; |
| } |
| |
| public IFileRevision[] getContributors(IFileRevision revision) { |
| |
| IFileRevision[] revisions = getFileRevisions(); |
| |
| //the predecessor is the file with a timestamp that is the largest timestamp |
| //from the set of all timestamps smaller than the root file's timestamp |
| IFileRevision fileRevision = null; |
| for (int i = 0; i < revisions.length; i++) { |
| if (((CVSFileRevision) revisions[i]).isPredecessorOf(revision)) { |
| //no revision has been set as of yet |
| if (fileRevision == null) |
| fileRevision = revisions[i]; |
| //this revision is a predecessor - now check to see if it comes |
| //after the current predecessor, if it does make it the current predecessor |
| if (revisions[i].getTimestamp() > fileRevision.getTimestamp()) { |
| fileRevision = revisions[i]; |
| } |
| } |
| } |
| if (fileRevision == null) |
| return new IFileRevision[0]; |
| return new IFileRevision[] {fileRevision}; |
| } |
| |
| public IFileRevision[] getTargets(IFileRevision revision) { |
| IFileRevision[] revisions = getFileRevisions(); |
| |
| //the predecessor is the file with a timestamp that is the largest timestamp |
| //from the set of all timestamps smaller than the root file's timestamp |
| ArrayList directDescendents = new ArrayList(); |
| |
| for (int i = 0; i < revisions.length; i++) { |
| if (((CVSFileRevision) revisions[i]).isDescendentOf(revision)) { |
| directDescendents.add(revisions[i]); |
| } |
| } |
| return (IFileRevision[]) directDescendents.toArray(new IFileRevision[directDescendents.size()]); |
| } |
| |
| private IFileRevision[] convertToFileRevision(IFileState[] localRevisions, IProgressMonitor monitor) { |
| boolean modified = false; |
| try { |
| modified = cvsFile.isModified(monitor); |
| } catch (CVSException e) { |
| } |
| |
| IFile localFile = (IFile) cvsFile.getIResource(); |
| boolean localFileExists = (localFile != null && localFile.exists()); |
| int arrayLength = 0; |
| if (modified && localFileExists) |
| arrayLength++; |
| |
| arrayLength += localRevisions.length; |
| |
| IFileRevision[] fileRevisions = new IFileRevision[arrayLength]; |
| for (int i = 0; i < localRevisions.length; i++) { |
| IFileState localFileState = localRevisions[i]; |
| CVSLocalFileRevision localRevision = new CVSLocalFileRevision(localFileState); |
| fileRevisions[i] = localRevision; |
| } |
| |
| if (modified && localFileExists) { |
| CVSLocalFileRevision currentFile = new CVSLocalFileRevision(localFile); |
| CVSFileHistoryProvider provider = new CVSFileHistoryProvider(); |
| currentFile.setBaseRevision(provider.getWorkspaceFileRevision(localFile)); |
| fileRevisions[localRevisions.length] = currentFile; |
| } |
| |
| return fileRevisions; |
| } |
| |
| public void includeLocalRevisions(boolean flag) { |
| this.includeLocalRevisions = flag; |
| } |
| |
| public boolean getIncludesExists() { |
| return includesExists; |
| } |
| |
| public void setRefetchRevisions(boolean refetch) { |
| this.refetchRevisions = refetch; |
| } |
| |
| public void includeRemoteRevisions(boolean flag) { |
| this.includeRemoteRevisions = flag; |
| } |
| |
| public void fetchLocalOnly(IProgressMonitor monitor) { |
| try{ |
| localRevisions = new IFileRevision[0]; |
| //always fetch the local revisions, just filter them out from the returned array if not wanted |
| IResource localResource = cvsFile.getIResource(); |
| includesExists = false; |
| if (localResource != null && localResource instanceof IFile) { |
| //get the local revisions |
| IFileState[] localHistoryState = ((IFile) localResource).getHistory(new SubProgressMonitor(monitor, 100)); |
| localRevisions = convertToFileRevision(localHistoryState, new SubProgressMonitor(monitor, 100)); |
| includesExists = (localRevisions.length > 0); |
| } |
| |
| remoteRevisions = new IFileRevision[0]; |
| revisions = new IFileRevision[0]; |
| arrangeRevisions(); |
| } catch (CoreException ex){ |
| //nothing to do - calling getFileRevisions() when revisions is null will result in |
| //revisions returning an empty array |
| } finally { |
| monitor.done(); |
| } |
| } |
| } |