Method getCharsetFromContentType

java/org/apache/coyote/Request.java:1340–1357

Parse the character encoding from the specified content type header. If the content type is null, or there is no explicit character encoding, null is returned. @param contentType a content type header

(String contentType)

     * @param contentType a content type header
     */
    private static String getCharsetFromContentType(String contentType) {

        if (contentType == null) {
            return null;
        }

        MediaType mediaType = null;
        try {
            mediaType = MediaType.parseMediaType(new StringReader(contentType));
        } catch (IOException ioe) {
            // Ignore - null test below handles this
        }
        if (mediaType != null) {
            return mediaType.getCharset();
        }

        return null;
    }
}