code: public static String convertContentTypeToQualifier(String contentType) {
  		// lets start off simple since qualifers are better if they are simple
  		// :)
  		// if we have simple standard types lets add some heuristics
  		if (contentType.equals(MediaType.APPLICATION_JSON_VALUE)) {
  			return "AsJson";
  		}
  
  		if (contentType.equals(MediaType.APPLICATION_OCTET_STREAM_VALUE)) {
  			return "AsBinary";
  		}
  
  		if (contentType.equals(MediaType.TEXT_PLAIN_VALUE) || contentType.equals(MediaType.TEXT_HTML_VALUE)) {
  			return "AsText";
  		}
  
  		// we have a non standard type. lets see if we have a version
  		Matcher versionMatcher = CONTENT_TYPE_VERSION.matcher(contentType);
  		if (versionMatcher.find()) {
  			String version = versionMatcher.group(1);
  
  			if (version != null) {
  				return StringUtils.capitalize(version).replace(".", "_");
  			}
  		}
  
  		// if we got here we have some sort of funky content type. deal with it
  		int seperatorIndex = contentType.indexOf("/");
  		if (seperatorIndex != -1 && seperatorIndex < contentType.length()) {
  			String candidate = contentType.substring(seperatorIndex + 1).toLowerCase();
  			String out = "";
  			if (candidate.contains("json")) {
  				candidate = candidate.replace("json", "");
  				out += "AsJson";
  			}
  
  			candidate = StringUtils.deleteAny(candidate, " ,.+=-'\"\\|~`#$%^&\n\t");
  			if (StringUtils.hasText(candidate)) {
  				out = StringUtils.capitalize(candidate) + out;
  			}
  			return "_" + out;
  		}
  		return "";
  	}
docs: Converts an http contentType into a qualifier that can be used within a
  Java method
  
  @param contentType
  The content type to convert application/json
  @return qualifier, example V1Html