Open Source Document Management System | OpenKM

private synchronized String importZip(String path, InputStream is) throws PathNotFoundException, ItemExistsException,
			AccessDeniedException, RepositoryException, IOException, DatabaseException, ExtensionException, AutomationException {
		log.debug("importZip({}, {})", path, is);
		java.io.File tmpIn = null;
		java.io.File tmpOut = null;
		String errorMsg = null;
		
		try {
			// Create temporal
			tmpIn = File.createTempFile("okm", ".zip");
			tmpOut = FileUtils.createTempDir();
			FileOutputStream fos = new FileOutputStream(tmpIn);
			IOUtils.copy(is, fos);
			fos.close();
			
			// Unzip files
			File fileTmpIn = new File(tmpIn);
			fileTmpIn.archiveCopyAllTo(tmpOut);
			File.umount();
			
			// Import files
			StringWriter out = new StringWriter();
			ImpExpStats stats = RepositoryImporter.importDocuments(null, tmpOut, path, false, false, false, out, new TextInfoDecorator(
					tmpOut));
			
			if (!stats.isOk()) {
				errorMsg = out.toString();
			}
			
			out.close();
		} catch (IOException e) {
			log.error("Error importing zip", e);
			throw e;
		} finally {
			IOUtils.closeQuietly(is);
			
			if (tmpIn != null) {
				org.apache.commons.io.FileUtils.deleteQuietly(tmpIn);
			}
			
			if (tmpOut != null) {
				org.apache.commons.io.FileUtils.deleteQuietly(tmpOut);
			}
		}
		
		log.debug("importZip: {}", errorMsg);
		return errorMsg;
	}