Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/ArchiveFileExportOperation.java
try {
            
            int totalWork = IProgressMonitor.UNKNOWN;
            try {
                if (resourcesToExport == null) {
					totalWork = countChildrenOf(resource);
				} else {
					totalWork = countSelectedResources();
				}
            } catch (CoreException e) {
                
            }
            monitor.beginTask(DataTransferMessages.DataTransfer_exportingTitle, totalWork);
            if (resourcesToExport == null) {
                exportResource(resource);
            } else {
                
                exportSpecifiedResources();
            }
            try {
                exporter.finished();
            } catch (IOException e) {
                throw new InvocationTargetException(
                        e,
                        NLS.bind(DataTransferMessages.ZipExport_cannotClose, e.getMessage()));
            }
        } finally {
            monitor.done();
        }
    }