private void validate()

in c3r-cli-spark/src/main/java/com/amazonaws/c3r/spark/config/SparkConfig.java [59:81]

• 21 lines of code
• 7 McCabe index (conditional complexity)

    private void validate() {
        FileUtil.verifyWritableDirectory(getTargetFile(), isOverwrite());

        final Path source = Path.of(getSourceFile());
        if (source.toFile().isFile()) {
            FileUtil.verifyReadableFile(getSourceFile());
            if (getFileFormat() == null) {
                throw new C3rIllegalArgumentException("Unknown file extension: please specify the file format for file "
                        + getSourceFile() + ".");
            }
        } else {
            FileUtil.verifyReadableDirectory(getSourceFile());
            if (getFileFormat() == null) {
                throw new C3rIllegalArgumentException("An input file format must be selected if providing a source directory.");
            }
        }
        
        if (getFileFormat() != FileFormat.CSV) {
            if (getCsvInputNullValue() != null || getCsvOutputNullValue() != null) {
                throw new C3rIllegalArgumentException("CSV options specified for " + getFileFormat() + " file.");
            }
        }
    }