private static void moveFile()

in src/main/java/com/aliyun/oss/internal/OSSDownloadOperation.java [783:813]

• 30 lines of code
• 10 McCabe index (conditional complexity)

    private 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.isDirectory()) {
            throw new IOException("Destination '" + destFile + "' is a directory");
        }
        if (destFile.exists()) {
            if (!destFile.delete()) {
                throw new IOException("Failed to delete original file '" + srcFile + "'");
            }
        }

        final boolean rename = srcFile.renameTo(destFile);
        if (!rename) {
            copyFile(srcFile, destFile);
            if (!srcFile.delete()) {
                throw new IOException(
                        "Failed to delete original file '" + srcFile + "' after copy to '" + destFile + "'");
            }
        }
    }