Method moveFile

src/main/java/org/apache/commons/io/FileUtils.java:2972–3000

Moves a file. When the destination file is on another file system, do a "copy and delete". @param srcFile the file to be moved @param destFile the destination file @throws NullPointerException if source or destination is null @throws FileExistsException if the destination file exists

(final File srcFile, final File destFile)

     * @since 1.4
     */
    public static void moveFile(final File srcFile, final File destFile) throws IOException {
        if (srcFile == null) {
            throw new NullPointerException("Source must not be null");
        }
        if (destFile == null) {
            throw new NullPointerException("Destination must not be null");
        }
        if (!srcFile.exists()) {
            throw new FileNotFoundException("Source '" + srcFile + "' does not exist");
        }
        if (srcFile.isDirectory()) {
            throw new IOException("Source '" + srcFile + "' is a directory");
        }
        if (destFile.exists()) {
            throw new FileExistsException("Destination '" + destFile + "' already exists");
        }
        if (destFile.isDirectory()) {
            throw new IOException("Destination '" + destFile + "' is a directory");
        }
        final boolean rename = srcFile.renameTo(destFile);
        if (!rename) {
            copyFile(srcFile, destFile);
            if (!srcFile.delete()) {
                FileUtils.deleteQuietly(destFile);
                throw new IOException("Failed to delete original file '" + srcFile +
                        "' after copy to '" + destFile + "'");
            }
        }
    }

    /**
     * Moves a file to a directory.