Examples of java.io.File.createNewFile()

java.io.File.createNewFile()
Creates the file specified by this File. If the file already exists this method returns false. Otherwise, if the file is created successfully, the result is true. An IOException will be thrown if the directory to contain this file does not exist. @return true if this File was created, falseotherwise. @throws IOException if an I/O error occurs or the directory does not exist. @see java.lang.SecurityManager#checkWrite(FileDescriptor)

        return;
      }
    }
    
    File dialogFile = new File(dialogSubDir.toString() + File.separator + dialogName);
    dialogFile.createNewFile();
  }
  
  /**
   * For a named dialog, if the user has opted not to view it again, 
   * returns the answer the answer the user supplied when they

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          Thread.sleep(10);
        } catch (InterruptedException e) {
          break;
        }
      }
      else if(f.createNewFile()){
        FileOutputStream fos = new FileOutputStream(f);
        try{
          mail.writeTo(fos);
          return f.getPath();
        }finally{

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    void saveLayout() throws IOException {
        File file = getLayoutFile();
        if (file != null) {
            if (!file.exists()) {
                if (!file.createNewFile()) {
                    return;
                }
            }
            if (file.canWrite()) {
                FileOutputStream output = new FileOutputStream(file);

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    }


    private void testFutureModificationDate() throws Exception {
        File f = new File(getFile());
        f.delete();
        f.createNewFile();
        f.setLastModified(System.currentTimeMillis() + 10000);
        FileLock lock = new FileLock(new TraceSystem(null), getFile(), Constants.LOCK_SLEEP);
        lock.lock(FileLock.LOCK_FILE);
        lock.unlock();
    }

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     * @since 4.3
     */
    public void testCopyRecursivelyNull() throws Exception {
        File fileSource = new File(TEMP_FILE_NAME);
        fileSource.delete();
        fileSource.createNewFile();
        try {
            FileUtils.copyDirectoriesRecursively(fileSource, fileSource);
            fail("File arg should have been illegal."); //$NON-NLS-1$
        } catch (final Exception err) {
            // source was a file instead of dir - exception

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        //try to create a file
        File tmpFile = new File(dirPath + File.separatorChar + TEMP_FILE);
        boolean success = false;
        try {
            success = tmpFile.createNewFile();
        } catch (IOException e) {
        }
        if (!success) {
            final String msg = CorePlugin.Util.getString("FileUtils.Unable_to_create_file_in", dirPath); //$NON-NLS-1$            
            throw new TeiidException(msg);

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            // TODO FIXME
            //throw new IllegalStateException("lock file already exists: " + lockFile.getAbsolutePath());
        }
        final boolean created;
        try {
            created = lockFile.createNewFile();
        } catch (IOException e) {
            throw new IllegalStateException("Creation of the lock file failed", e);
        }
        assert (created);
        this.lockFilePath = lockFile.getAbsolutePath();

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    p.put("download.ignore.paths", downloadIgnorePath.getText());
    
    
    try {
      File f = new File("config.properties");
      f.createNewFile();
      p.store(new FileOutputStream(f), "Everbox4j Config");
      JOptionPane.showConfirmDialog(frmEverbox, 
          "保存成功!! 如果你改变了用户名,请先退出客户端,然后再启动!","提醒",JOptionPane.OK_OPTION);
    } catch (Throwable e) {
      log.error("保存出错!!", e);

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      uploadResources.put(upResource.getUploadId(), upResource);


      File fileStore = new File(upResource.getStoreLocation());
      if (!fileStore.exists())
         fileStore.createNewFile();
      FileOutputStream output = new FileOutputStream(fileStore);
      reader.readBodyData(request, output);


      if (upResource.getStatus() == UploadResource.UPLOADING_STATUS)
      {

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      upResource.setStoreLocation(uploadLocation_ + "/" + uploadId + "." + fileName);
      upResource.setEstimatedSize(contentLength);
      uploadResources.put(upResource.getUploadId(), upResource);
      File fileStore = new File(upResource.getStoreLocation());
      if (!fileStore.exists())
         fileStore.createNewFile();
      FileOutputStream output = new FileOutputStream(fileStore);
      reader.readBodyData(inputStream, contentType, output);


      if (upResource.getStatus() == UploadResource.UPLOADING_STATUS)
      {

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