public void export() throws ArchiveSaveFailureException {
		IProgressMonitor subMonitor = new SubProgressMonitor(progressMonitor, EXPORT_WORK);
		final int SAVE_TICKS = 198;
		final int CLEANUP_TICKS = 2;
		final int TOTAL_TICKS = SAVE_TICKS + CLEANUP_TICKS;
		try {
			File writeFile = getDestinationPath().toFile();
			if (writeFile.exists()) {
				writeFile.delete();
			}
			java.io.File aFile = getDestinationPath().toFile();
			ArchiveUtil.checkWriteable(aFile);
			boolean fileExisted = aFile.exists();
			FlatComponentArchiver archiver = null;
			try {   // ******** this can throw an IOException 
				java.io.File destinationFile = fileExisted 
				? ArchiveUtil.createTempFile(getDestinationPath().toOSString(), aFile.getCanonicalFile().getParentFile()) 
						: aFile;
				
				java.io.OutputStream out = createOutputStream(destinationFile);
				archiver = createFlatComponentArchiver(out);
				subMonitor.beginTask(NLS.bind(CommonArchiveResourceHandler.ArchiveFactoryImpl_Saving_archive_to_0_, getDestinationPath().toOSString()), TOTAL_TICKS);
				archiver.saveArchive();
				subMonitor.worked(SAVE_TICKS);
				archiver.close();
			
				if (fileExisted) {
					ArchiveUtil.cleanupAfterTempSave(getDestinationPath().toOSString(), aFile, destinationFile);
				}
				subMonitor.worked(CLEANUP_TICKS);
			} catch (java.io.IOException e) {
				throw new ArchiveSaveFailureException(e);
			} catch (ArchiveSaveFailureException failure) {
				try {  // *** THIS IS ERRORING AS IMPOSSIBLE TO BE NULL
					if (archiver != null)
						archiver.close();
				} catch (IOException weTried) {
					// Ignore
				}
				if (!fileExisted)
					aFile.delete();
				throw failure;
			} 
		} finally {
			subMonitor.done();
		}
	}