public String resolve()

in gateway-provider-rewrite-func-service-registry/src/main/java/org/apache/knox/gateway/svcregfunc/impl/ServiceMappedAddressFunctionProcessor.java [70:106]

35 lines of code
13 McCabe index (conditional complexity)


  public String resolve( UrlRewriter.Direction direction, String parameter ) throws Exception {
    String addr = parameter;
    String url = lookupServiceUrl( parameter );
    if( url != null ) {
      Template template = Parser.parseLiteral( url );
      Host host = template.getHost();
      String hostStr = null;
      if( host != null ) {
        hostStr = host.getFirstValue().getPattern();
        if( hostmap != null ) {
          switch( direction ) {
            case IN:
              hostStr = hostmap.resolveInboundHostName( hostStr );
              break;
            case OUT:
              hostStr = hostmap.resolveOutboundHostName( hostStr );
              break;
          }
        }
      }

      Port port = template.getPort();
      String portStr = null;
      if( port != null ) {
        portStr = port.getFirstValue().getPattern();
      }

      if( hostStr != null && portStr != null ) {
        addr = hostStr + ":" + portStr;
      } else if( host != null && port == null ) {
        addr = hostStr;
      } else if( host == null && port != null ) {
        addr = ":" + portStr;
      }
    }
    return addr;
  }