@SuppressWarnings("unchecked") private boolean retrieveFileToFileInLocalWorkDirectory(String name, Exchange exchange) throws GenericFileOperationFailedException { File temp; File local = new File(endpoint.getLocalWorkDirectory()); OutputStream os; GenericFile<ChannelSftp.LsEntry> file = (GenericFile<ChannelSftp.LsEntry>) exchange.getProperty(FileComponent.FILE_EXCHANGE_FILE); ObjectHelper.notNull( file, "Exchange should have the " + FileComponent.FILE_EXCHANGE_FILE + " set"); try { // use relative filename in local work directory String relativeName = file.getRelativeFilePath(); temp = new File(local, relativeName + ".inprogress"); local = new File(local, relativeName); // create directory to local work file local.mkdirs(); // delete any existing files if (temp.exists()) { if (!FileUtil.deleteFile(temp)) { throw new GenericFileOperationFailedException( "Cannot delete existing local work file: " + temp); } } if (local.exists()) { if (!FileUtil.deleteFile(local)) { throw new GenericFileOperationFailedException( "Cannot delete existing local work file: " + local); } } // create new temp local work file if (!temp.createNewFile()) { throw new GenericFileOperationFailedException("Cannot create new local work file: " + temp); } // store content as a file in the local work directory in the temp handle os = new FileOutputStream(temp); // set header with the path to the local work file exchange.getIn().setHeader(Exchange.FILE_LOCAL_WORK_PATH, local.getPath()); } catch (Exception e) { throw new GenericFileOperationFailedException("Cannot create new local work file: " + local); } String currentDir = null; try { // store the java.io.File handle as the body file.setBody(local); String remoteName = name; if (endpoint.getConfiguration().isStepwise()) { // remember current directory currentDir = getCurrentDirectory(); // change directory to path where the file is to be retrieved // (must do this as some FTP servers cannot retrieve using absolute path) String path = FileUtil.onlyPath(name); if (path != null) { changeCurrentDirectory(path); } // remote name is now only the file name as we just changed directory remoteName = FileUtil.stripPath(name); } channel.get(remoteName, os); } catch (SftpException e) { LOG.trace( "Error occurred during retrieving file: {} to local directory. Deleting local work file: {}", name, temp); // failed to retrieve the file so we need to close streams and delete in progress file // must close stream before deleting file IOHelper.close(os, "retrieve: " + name, LOG); boolean deleted = FileUtil.deleteFile(temp); if (!deleted) { LOG.warn( "Error occurred during retrieving file: " + name + " to local directory. Cannot delete local work file: " + temp); } throw new GenericFileOperationFailedException("Cannot retrieve file: " + name, e); } finally { IOHelper.close(os, "retrieve: " + name, LOG); // change back to current directory if we changed directory if (currentDir != null) { changeCurrentDirectory(currentDir); } } LOG.debug("Retrieve file to local work file result: true"); // operation went okay so rename temp to local after we have retrieved the data LOG.trace("Renaming local in progress file from: {} to: {}", temp, local); try { if (!FileUtil.renameFile(temp, local, false)) { throw new GenericFileOperationFailedException( "Cannot rename local work file from: " + temp + " to: " + local); } } catch (IOException e) { throw new GenericFileOperationFailedException( "Cannot rename local work file from: " + temp + " to: " + local, e); } return true; }