* @param directory The directory in which the file is to be created, or null if the default temporary-file directory is to be used.
     * @return The created temporary file.
     */
    protected File createTempFile(final String prefix, final String suffix, final File directory) {
        try {
            final File tempFile = File.createTempFile(prefix, suffix, directory);

     * @param directory The directory in which the file is to be created, or null if the default temporary-file directory is to be used.
     * @return The created temporary file.
     */
    protected File createTempFile(final String prefix, final String suffix, final File directory) {
        try {
            final File tempFile = File.createTempFile(prefix, suffix, directory);