public String toURL()

in client/src/main/java/org/apache/qpid/client/AMQDestination.java [566:671]
86 lines of code
16 McCabe index (conditional complexity)

    public String toURL()
    {
        String url = _url;
        if(url == null)
        {


            StringBuffer sb = new StringBuffer();

            sb.append(_exchangeClass);
            sb.append("://");
            sb.append(_exchangeName);

            sb.append("/");
            if (_routingKey != null)
            {
                sb.append(_routingKey);
            }
            sb.append("/");

            if (_queueName != null)
            {
                sb.append(_queueName);
            }

            sb.append('?');

            if (_routingKey != null)
            {
                sb.append(BindingURL.OPTION_ROUTING_KEY);
                sb.append("='");
                sb.append(_routingKey).append("'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            // We can't allow both routingKey and bindingKey
            if (_routingKey == null && _bindingKeys != null && _bindingKeys.length>0)
            {

                for (String bindingKey:_bindingKeys)
                {
                    sb.append(BindingURL.OPTION_BINDING_KEY);
                    sb.append("='");
                    sb.append(bindingKey);
                    sb.append("'");
                    sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);

                }
            }

            if (_isDurable)
            {
                sb.append(BindingURL.OPTION_DURABLE);
                sb.append("='true'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            if (_isExclusive)
            {
                sb.append(BindingURL.OPTION_EXCLUSIVE);
                sb.append("='true'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            if (_isAutoDelete)
            {
                sb.append(BindingURL.OPTION_AUTODELETE);
                sb.append("='true'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            if (_rejectBehaviour != null)
            {
                sb.append(BindingURL.OPTION_REJECT_BEHAVIOUR);
                sb.append("='" + _rejectBehaviour + "'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            if (_exchangeDurable)
            {
                sb.append(BindingURL.OPTION_EXCHANGE_DURABLE);
                sb.append("='true'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            if (_exchangeAutoDelete)
            {
                sb.append(BindingURL.OPTION_EXCHANGE_AUTODELETE);
                sb.append("='true'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            if (_exchangeInternal)
            {
                sb.append(BindingURL.OPTION_EXCHANGE_INTERNAL);
                sb.append("='true'");
                sb.append(URLHelper.DEFAULT_OPTION_SEPERATOR);
            }

            //removeKey the last char '?' if there is no options , ',' if there are.
            sb.deleteCharAt(sb.length() - 1);
            url = sb.toString();
            _url = url;
        }
        return url;
    }