static public String appendCharacterEncoding()

in aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/internal/HttpUtils.java [45:67]

• 20 lines of code
• 6 McCabe index (conditional complexity)

    static public String appendCharacterEncoding(String currentContentType, String newEncoding) {
        if (currentContentType == null || currentContentType.trim().isEmpty()) {
            return null;
        }

        if (currentContentType.contains(HEADER_VALUE_SEPARATOR)) {
            String[] contentTypeValues = currentContentType.split(HEADER_VALUE_SEPARATOR);
            StringBuilder contentType = new StringBuilder(contentTypeValues[0]);

            for (int i = 1; i < contentTypeValues.length; i++) {
                String contentTypeValue = contentTypeValues[i];
                String contentTypeString = HEADER_VALUE_SEPARATOR + " " + contentTypeValue;
                if (contentTypeValue.trim().startsWith(ENCODING_VALUE_KEY)) {
                    contentTypeString = HEADER_VALUE_SEPARATOR + " " + ENCODING_VALUE_KEY + HEADER_KEY_VALUE_SEPARATOR + newEncoding;
                }
                contentType.append(contentTypeString);
            }

            return contentType.toString();
        } else {
            return currentContentType + HEADER_VALUE_SEPARATOR + " " + ENCODING_VALUE_KEY + HEADER_KEY_VALUE_SEPARATOR + newEncoding;
        }
    }