/*
* Filter elements to avoid having files of directory traces listed as
* separate traces.
*/
private void filterElements(TracePackageElement parentElement) {
for (TracePackageElement childElement : parentElement.getChildren()) {
filterElements(childElement);
if (childElement instanceof TracePackageTraceElement) {
// no need to do length check here
RemoteImportTraceFilesElement filesElement =
(RemoteImportTraceFilesElement) childElement.getChildren()[0];
IFileStore parentFile = filesElement.getRemoteFile().getParent();
if (fDirectoryTraces.contains(
TmfTraceCoreUtils.newSafePath(parentFile.toURI().getPath()))) {
removeChild(childElement, parentElement);
continue;
}
IFileStore grandParentFile = parentFile.getParent();
if (grandParentFile != null
&& fDirectoryTraces.contains(
TmfTraceCoreUtils.newSafePath(grandParentFile.toURI().getPath()))) {
// ignore file if grandparent is a directory trace
// for example: file is a index file of a LTTng kernel trace
parentElement.removeChild(childElement);
if (parentElement.getChildren().length == 0) {
TracePackageElement grandParentElement = parentElement.getParent();
removeChild(parentElement, grandParentElement);
}
continue;
}
} else if (childElement instanceof RemoteImportFolderElement) {
if (childElement.getChildren().length == 0) {
parentElement.removeChild(childElement);
}
}
}
}
/**
* Scan traceFolder for files that match the patterns specified in the template file. When there
* is a match, the trace package element is used to determine the trace name and trace type.
*
* @param traceGroup The parent trace group element
* @param parentElement The immediate parent trace group or folder element
* @param traceFolder The folder to scan
* @param recursionLevel The recursion level (needed to find directory traces under the
* traceFolder
* @param monitor The progress monitor
* @throws CoreException Thrown by the file system implementation
* @throws InterruptedException Thrown if operation was cancelled
*/
private void generateElementsFromArchive(
final RemoteImportTraceGroupElement traceGroup,
final TracePackageElement parentElement,
final IFileStore traceFolder,
final int recursionLevel,
IProgressMonitor monitor)
throws CoreException, InterruptedException {
int localRecursionLevel = recursionLevel + 1;
IFileStore[] sources = traceFolder.childStores(EFS.NONE, monitor);
for (int i = 0; i < sources.length; i++) {
ModalContext.checkCanceled(monitor);
SubMonitor subMonitor = SubMonitor.convert(monitor, sources.length);
IFileStore fileStore = sources[i];
IPath fullArchivePath = TmfTraceCoreUtils.newSafePath(fileStore.toURI().getPath());
IFileInfo sourceInfo = fileStore.fetchInfo();
if (!sourceInfo.isDirectory()) {
String rootPathString = traceGroup.getRootImportPath();
IPath rootPath = TmfTraceCoreUtils.newSafePath(rootPathString);
IPath relativeTracePath = Path.EMPTY;
if (rootPath.isPrefixOf(fullArchivePath)) {
relativeTracePath = fullArchivePath.makeRelativeTo(rootPath);
}
Entry<Pattern, TracePackageTraceElement> matchingTemplateEntry =
getMatchingTemplateElement(relativeTracePath);
if (matchingTemplateEntry != null) {
TracePackageTraceElement matchingTemplateElement = matchingTemplateEntry.getValue();
String traceType = matchingTemplateElement.getTraceType();
// If a single file is part of a directory trace, use the parent directory instead
TracePackageElement parent = parentElement;
if (matchesDirectoryTrace(relativeTracePath, matchingTemplateEntry)) {
fullArchivePath = fullArchivePath.removeLastSegments(1);
fDirectoryTraces.add(fullArchivePath);
fileStore = fileStore.getParent();
parent = parentElement.getParent();
// Let the auto-detection choose the best trace type
traceType = null;
} else if ((localRecursionLevel > 1) && (!traceGroup.isRecursive())) {
// Don't consider file traces on level 2 if it's not recursive
continue;
}
String traceName = fullArchivePath.lastSegment();
String fileName = fileStore.getName();
// create new elements to decouple from input elements
TracePackageTraceElement traceElement =
new TracePackageTraceElement(parent, traceName, traceType);
RemoteImportTraceFilesElement tracePackageFilesElement =
new RemoteImportTraceFilesElement(traceElement, fileName, fileStore);
tracePackageFilesElement.setVisible(false);
}
} else {
if (traceGroup.isRecursive() || localRecursionLevel < 2) {
RemoteImportFolderElement folder =
new RemoteImportFolderElement(parentElement, fileStore.getName());
generateElementsFromArchive(
traceGroup, folder, fileStore, localRecursionLevel, subMonitor);
}
}
}
}