org.eclipse.ui.wizards.datatransfer.ImportOperation#setVirtualFolders ( )源码实例Demo

/**
 * Extract all file system elements (Tar, Zip elements) to destination
 * folder (typically workspace/TraceProject/.traceImport or a subfolder of
 * it)
 */
private void extractArchiveContent(Iterator<TraceFileSystemElement> fileSystemElementsIter, IFolder tempFolder, IProgressMonitor progressMonitor) throws InterruptedException,
        InvocationTargetException {
    List<TraceFileSystemElement> subList = new ArrayList<>();
    // Collect all the elements
    while (fileSystemElementsIter.hasNext()) {
        ModalContext.checkCanceled(progressMonitor);
        TraceFileSystemElement element = fileSystemElementsIter.next();
        if (element.isDirectory()) {
            Object[] array = element.getFiles().getChildren();
            for (int i = 0; i < array.length; i++) {
                subList.add((TraceFileSystemElement) array[i]);
            }
        }
        subList.add(element);
    }

    if (subList.isEmpty()) {
        return;
    }

    TraceFileSystemElement root = getRootElement(subList.get(0));

    ImportProvider fileSystemStructureProvider = new ImportProvider();

    IOverwriteQuery myQueryImpl = file -> IOverwriteQuery.NO_ALL;

    progressMonitor.setTaskName(Messages.ImportTraceWizard_ExtractImportOperationTaskName);
    IPath containerPath = tempFolder.getFullPath();
    ImportOperation operation = new ImportOperation(containerPath, root, fileSystemStructureProvider, myQueryImpl, subList);
    operation.setContext(fShell);

    operation.setCreateContainerStructure(true);
    operation.setOverwriteResources(false);
    operation.setVirtualFolders(false);

    operation.run(SubMonitor.convert(progressMonitor).newChild(subList.size()));
}
 

/**
 * Imports a trace resource to project. In case of name collision the user
 * will be asked to confirm overwriting the existing trace, overwriting or
 * skipping the trace to be imported.
 *
 * @param fileSystemElement
 *            trace file system object to import
 * @param monitor
 *            a progress monitor
 * @return the imported resource or null if no resource was imported
 *
 * @throws InvocationTargetException
 *             if problems during import operation
 * @throws InterruptedException
 *             if cancelled
 * @throws CoreException
 *             if problems with workspace
 */
private IResource importResource(TraceFileSystemElement fileSystemElement, IProgressMonitor monitor)
        throws InvocationTargetException, InterruptedException, CoreException {

    IPath tracePath = getInitialDestinationPath(fileSystemElement);
    String newName = fConflictHandler.checkAndHandleNameClash(tracePath, monitor);

    if (newName == null) {
        return null;
    }
    fileSystemElement.setLabel(newName);

    List<TraceFileSystemElement> subList = new ArrayList<>();

    FileSystemElement parentFolder = fileSystemElement.getParent();

    IPath containerPath = fileSystemElement.getDestinationContainerPath();
    tracePath = containerPath.addTrailingSeparator().append(fileSystemElement.getLabel());
    boolean createLinksInWorkspace = (fImportOptionFlags & ImportTraceWizardPage.OPTION_CREATE_LINKS_IN_WORKSPACE) != 0;
    if (fileSystemElement.isDirectory() && !createLinksInWorkspace) {
        containerPath = tracePath;

        Object[] array = fileSystemElement.getFiles().getChildren();
        for (int i = 0; i < array.length; i++) {
            subList.add((TraceFileSystemElement) array[i]);
        }
        parentFolder = fileSystemElement;

    } else {
        if (!fileSystemElement.isDirectory()) {
            // File traces
            IFileInfo info = EFS.getStore(new File(fileSystemElement.getFileSystemObject().getAbsolutePath()).toURI()).fetchInfo();
            if (info.getLength() == 0) {
                // Don't import empty traces
                return null;
            }
        }
        subList.add(fileSystemElement);
    }

    ImportProvider fileSystemStructureProvider = new ImportProvider();

    IOverwriteQuery myQueryImpl = file -> IOverwriteQuery.NO_ALL;

    monitor.setTaskName(Messages.ImportTraceWizard_ImportOperationTaskName + " " + fileSystemElement.getFileSystemObject().getAbsolutePath()); //$NON-NLS-1$
    ImportOperation operation = new ImportOperation(containerPath, parentFolder, fileSystemStructureProvider, myQueryImpl, subList);
    operation.setContext(fShell);

    operation.setCreateContainerStructure(false);
    operation.setOverwriteResources(false);
    operation.setCreateLinks(createLinksInWorkspace);
    operation.setVirtualFolders(false);

    operation.run(SubMonitor.convert(monitor).newChild(1));
    String sourceLocation = fileSystemElement.getSourceLocation();
    IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(tracePath);
    if ((sourceLocation != null) && (resource != null)) {
        resource.setPersistentProperty(TmfCommonConstants.SOURCE_LOCATION, sourceLocation);
    }

    return resource;
}