src/main/java/uk/bl/wa/whois/JRubyWhois.java
public boolean hasParserForWhoisHost(String whoisHost) {
        container.put("host", whoisHost);
        return (Boolean) container.runScriptlet(
                JRubyWhois.class.getResourceAsStream("jruby-has-parser.rb"),
                "jruby-has-parser.rb");
    }
public boolean hasParserForWhoisHost(String whoisHost) {
        container.put("host", whoisHost);
        return (Boolean) container.runScriptlet(
                JRubyWhois.class.getResourceAsStream("jruby-has-parser.rb"),
                "jruby-has-parser.rb");
    }
Check if Ruby Whois gem has a parser for a specific registrar

@param whoisHost
whois server to check
@return