FileChannel inputChannel = null;
        FileChannel outputChannel = null;
        String sourceFilePathStr="‪C:\Users\abc xyz\Downloads";
            File source = new File(sourceFilePathStr,"designspec.docx");
            File dest = new File(repo.getDirectory().getParent(),"designspec.docx");

            inputChannel = new FileInputStream(source).getChannel();
            outputChannel = new FileOutputStream(dest).getChannel();
            outputChannel.transferFrom(inputChannel, 0, inputChannel.size());
            log.info("copy complete");
        } finally {
            inputChannel.close();
            outputChannel.close();
        }

inputChannel.close();