private final ThreadLocal<File> fileThreadLocal = new ThreadLocal<>();

    protected File createFile() throws IOException {
      File file = File.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    protected File getFile() {
      return fileThreadLocal.get();
    }

import java.nio.file.FileSystems;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.EnumSet;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/files/")
async def create_file(file: bytes | None = File(default=None)):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: UploadFile | None = None):
    if not file:
        return {"message": "No upload file sent"}
    else:

from fastapi import FastAPI, File, UploadFile
from typing_extensions import Annotated

app = FastAPI()


@app.post("/files/")
async def create_file(file: Annotated[Union[bytes, None], File()] = None):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: Union[UploadFile, None] = None):

from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/files/")
async def create_file(file: Annotated[Union[bytes, None], File()] = None):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: Union[UploadFile, None] = None):
    if not file:

     * 
     * @param file
     *            An <code>SmbFile</code> representing the file to write to
     * @param append
     *            Append to the end of file
     * @throws SmbException
     */

    public SmbFileOutputStream ( SmbFile file, boolean append ) throws SmbException {
        this(
            file,
            append,
            append ? SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_APPEND

                responseData.setContentLength(file.length());
                checkMaxContentLength(responseData);
                responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);
                responseData.setCharSet(geCharSet(file));
                responseData.setLastModified(new Date(file.lastModified()));
                responseData.addMetaData(SMB_CREATE_TIME, new Date(file.createTime()));
                try {

errors.invalid_design_jsp_file_name=Invalid JSP file.
errors.design_jsp_file_does_not_exist=JSP file does not exist.
errors.design_file_name_is_not_found=The file name is not specified.
errors.failed_to_write_design_image_file=Failed to upload an image file.
errors.failed_to_update_jsp_file=Failed to update a jsp file.
errors.design_file_name_is_invalid=The file name is invalid.

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

     */
    public BasedirBeanConfigurationPathTranslator(File basedir) {
        this.basedir = basedir;
    }

    public File translatePath(File path) {
        File result = path;

        if (path != null && basedir != null) {
            if (path.isAbsolute()) {
                // path is already absolute, we're done
            } else if (path.getPath().startsWith(File.separator)) {