Description Hash in Ruby & Java

description_hash.java

    private String descriptionVariable(final String text){
        if(isFeatured()){
            return "<b>" + text + "</b>";
        }else{
            return "<b><font color='#FD93B1'>" + text + "</font></b>";
        }
    }

    private Map<String, String> buildDescriptionContext(final JSONObject descriptionHash) throws JSONException, ParseException{
        Map<String, String> context = new HashMap<String, String>();
        Iterator keys = descriptionHash.keys();
        while(keys.hasNext()){
            String key = (String) keys.next();
            context.put(key, descriptionVariable(descriptionHash.getString(key)));
        }
        return context;
    }

    public void setMessageFromHash(JSONObject descriptionHash) throws JSONException, ParseException {
        if(!descriptionHash.has("template")){
            throw new JSONException("Description hash MUST include a template value");
        }
        Template tmpl = Mustache.compiler().escapeHTML(false).compile(descriptionHash.getString("template"));
        setMessage(tmpl.execute(buildDescriptionContext(descriptionHash)));
        WhiLog.d("Mustache Parser", getMessage());
    }

description_hash.rb

def description(*args, &block)
  block ||= TEMPLATE_NOOP
  hash = description_hash(*args)
  hash[:template].to_s.gsub(TEMPLATE_VARIABLE) do
    block.call(hash[$1.to_sym])
  end
end
  
notification.description # => no format

notification.description{|v| "<b>#{v}</b>"} # => bold format