/**
* Method updateTargetFile.
*
* @param aFile IFile
* @return IFile
* @throws CoreException
* @throws ReviewsFileStorageException
*/
public static R4EFileVersion updateTargetFile(IFile aFile)
throws CoreException, ReviewsFileStorageException {
if (null == aFile) {
return null; // should never happen
}
String remoteID = null;
String localID = null;
// Get handle to local storage repository
final IRFSRegistry localRepository =
RFSRegistryFactory.getRegistry(R4EUIModelController.getActiveReview().getReview());
if (null == localRepository) {
return null;
}
// Get Remote repository file info
final ScmConnector connector = ScmCore.getConnector(aFile.getProject());
if (null != connector) {
final ScmArtifact artifact = connector.getArtifact(aFile);
if ((null != artifact) && (null != artifact.getPath())) {
// File found in remote repo.
// Here we check if the file in the remote repository is different than the input file.
// We cannot use the artifact ID directly and we need to fetch and calculate that SHA of the
// remote file
// because we do not know which version control system is used.
// We need to do this comparison because the versions always return the latest file stored.
final IFileRevision fileRev = artifact.getFileRevision(null);
if (null != fileRev) {
final IStorage fileStore = fileRev.getStorage(null);
if (null != fileStore) {
remoteID = localRepository.blobIdFor(fileStore.getContents());
localID = localRepository.blobIdFor(aFile.getContents());
if ((null != remoteID) && remoteID.equals(localID)) {
// The files are the same. Copy from the remote repo
return copyRemoteFileToLocalRepository(localRepository, artifact);
}
}
}
// The files are different. This means the current user modified the file in his workspace
return copyWorkspaceFileToLocalRepository(localRepository, aFile);
}
}
// Else we copy the file that is in the current workspace
return copyWorkspaceFileToLocalRepository(localRepository, aFile);
}
/**
* Method copyRemoteFileToLocalRepository.
*
* @param aLocalRepository IRFSRegistry
* @param aArtifact ScmArtifact
* @return IFile
* @throws CoreException
* @throws ReviewsFileStorageException
*/
public static R4EFileVersion copyRemoteFileToLocalRepository(
IRFSRegistry aLocalRepository, ScmArtifact aArtifact)
throws ReviewsFileStorageException, CoreException {
if ((null == aArtifact)
|| (null == aArtifact.getPath())
|| aArtifact.getPath().equals(INVALID_PATH)) {
return null; // File not found in remote repository
}
final IFileRevision fileRev = aArtifact.getFileRevision(null);
if (null == fileRev) {
return null;
}
// Pull file from the version control system
InputStream iStream = null;
final IStorage fileStore = fileRev.getStorage(null);
if (null == fileStore) {
return null;
}
try {
iStream = fileStore.getContents();
} catch (CoreException e) {
R4EUIPlugin.Ftracer.traceInfo("Exception: " + e.toString() + " (" + e.getMessage() + ")");
return null;
}
// Create and Set value in temporary File version
final R4EFileVersion tmpFileVersion = RModelFactory.eINSTANCE.createR4EFileVersion();
if ((null != tmpFileVersion) && (null != aLocalRepository)) {
updateFileVersion(tmpFileVersion, aArtifact);
// Push a local copy to local review repository, and obtain the local id
tmpFileVersion.setLocalVersionID(aLocalRepository.registerReviewBlob(iStream));
if (null != iStream) {
try {
iStream.close();
} catch (IOException e) {
R4EUIPlugin.Ftracer.traceWarning("Exception while closing stream, " + e.toString());
}
}
}
return tmpFileVersion;
}
/**
* Method updateBaseFile.
*
* @param aFile IFile
* @return IFile
* @throws CoreException
* @throws ReviewsFileStorageException
*/
public static R4EFileVersion updateBaseFile(IFile aFile)
throws CoreException, ReviewsFileStorageException {
if (null == aFile) {
return null; // should never happen
}
// Get Remote repository file info
final ScmConnector connector = ScmCore.getConnector(aFile.getProject());
if (null != connector) {
final ScmArtifact artifact = connector.getArtifact(aFile);
if ((null != artifact) && (null != artifact.getId())) {
// File was modified, so we need to fetch the base file from the versions repository and
// copy it to our own local repository
final IRFSRegistry localRepository =
RFSRegistryFactory.getRegistry(R4EUIModelController.getActiveReview().getReview());
return copyRemoteFileToLocalRepository(localRepository, artifact);
}
} // else file not in source control
// File was not modified, or No Version Control System or Remote File detected, so there is no
// base
return null;
}
/**
* Method updateFileVersion
*
* @param aTargetFileVer R4EFileVersion
* @param aScmArt ScmArtifact
* @throws CoreException
*/
public static void updateFileVersion(R4EFileVersion aTargetFileVer, ScmArtifact aScmArt)
throws CoreException {
if ((null != aTargetFileVer) && (null != aScmArt)) {
aTargetFileVer.setName(aScmArt.getFileRevision(null).getName());
aTargetFileVer.setVersionID(aScmArt.getId());
final IFileRevision fileRev = aScmArt.getFileRevision(null);
if (null != fileRev) {
final IStorage fileStore = fileRev.getStorage(null);
if (null != fileStore) {
final IPath filePath = fileStore.getFullPath();
if (null != filePath) {
aTargetFileVer.setRepositoryPath(filePath.toPortableString());
}
}
}
final String fileRelPath = aScmArt.getProjectRelativePath();
if (null == fileRelPath) {
R4EUIPlugin.Ftracer.traceDebug(
"Invalid relative file path in scmArtifact with path: " + aScmArt.getPath());
}
final IProject project = ResourceUtils.getProject(aScmArt.getProjectName());
final IResource resource = ResourceUtils.findResource(project, fileRelPath);
aTargetFileVer.setPlatformURI(ResourceUtils.toPlatformURIStr(resource));
aTargetFileVer.setResource(resource);
final String projPlatformURI = ResourceUtils.toPlatformURIStr(project);
if (null == projPlatformURI) {
R4EUIPlugin.Ftracer.traceDebug(
"Unable to resolve the project: "
+ aScmArt.getProjectName()
+ " platform's URI, in scmArtifact with path: "
+ aScmArt.getPath());
}
}
}
/**
* Method copyRemoteFileToLocalRepository.
*
* @param aLock ReentrantLock
* @param aLocalRepository IRFSRegistry
* @param aArtifact ScmArtifact
* @param aMainMonitor IProgressMonitor
* @param aSubMonitor IProgressMonitor
* @return IFile
* @throws CoreException
* @throws ReviewsFileStorageException
* @throws MainJobCancelledException
* @throws SubJobCancelledException
*/
public static R4EFileVersion copyRemoteFileToLocalRepository(
ReentrantLock aLock,
IRFSRegistry aLocalRepository,
ScmArtifact aArtifact,
IProgressMonitor aMainMonitor)
throws ReviewsFileStorageException, CoreException {
ReentrantLock lock = aLock;
if (null == lock) {
lock = new ReentrantLock();
}
// Check if Main Job or Sub Job was cancelled before fetching
if (aMainMonitor.isCanceled()) {
throw new CoreException(
new Status(
IStatus.CANCEL,
R4EUIPlugin.PLUGIN_ID,
IStatus.CANCEL,
R4EUIConstants.CANCEL_EXCEPTION_MSG,
null));
}
if ((null == aArtifact)
|| (null == aArtifact.getPath())
|| aArtifact.getPath().equals(INVALID_PATH)) {
return null; // File not found in remote repository
}
// Tracing benchmarks
Date fetchStart = null;
if (Tracer.isInfo()) {
fetchStart = new Date();
}
final IFileRevision fileRev = aArtifact.getFileRevision(null);
if (null == fileRev) {
return null;
}
// Pull file from the version control system
InputStream iStream = null;
final IStorage fileStore = fileRev.getStorage(null);
if (null == fileStore) {
return null;
}
try {
iStream = fileStore.getContents();
} catch (CoreException e) {
R4EUIPlugin.Ftracer.traceInfo("Exception: " + e.toString() + " (" + e.getMessage() + ")");
return null;
}
// Create and Set value in temporary File version
final R4EFileVersion tmpFileVersion = RModelFactory.eINSTANCE.createR4EFileVersion();
if ((null != tmpFileVersion) && (null != aLocalRepository)) {
updateFileVersion(tmpFileVersion, aArtifact);
// Check if Main Job or Sub Job was cancelled before pushing a local copy
if (aMainMonitor.isCanceled()) {
throw new CoreException(
new Status(
IStatus.CANCEL,
R4EUIPlugin.PLUGIN_ID,
IStatus.CANCEL,
R4EUIConstants.CANCEL_EXCEPTION_MSG,
null));
}
// Tracing benchmarks
Date blobRegStart = null;
if (fetchStart != null) {
blobRegStart = new Date();
}
// Push a local copy to local review repository, and obtain the local id
lock.lock();
try {
tmpFileVersion.setLocalVersionID(aLocalRepository.registerReviewBlob(iStream));
} finally {
lock.unlock();
if (fetchStart != null) {
long downloadTime = blobRegStart.getTime() - fetchStart.getTime();
long uploadTime = (new Date()).getTime() - blobRegStart.getTime();
R4EUIPlugin.Ftracer.traceInfo(
"Registered blob for "
+ fileRev.getName()
+ " "
+ //$NON-NLS-1$//$NON-NLS-2$
aArtifact.getId()
+ ", fetch (ms): "
+ downloadTime
+ ", push (ms) "
+ uploadTime); //$NON-NLS-1$ //$NON-NLS-2$
}
if (null != iStream) {
try {
iStream.close();
} catch (IOException e) {
R4EUIPlugin.Ftracer.traceWarning("Exception while closing stream, " + e.toString());
}
}
}
}
return tmpFileVersion;
}
