public NodeMetadata apply()

in aliyun-ecs/src/main/java/org/jclouds/aliyun/ecs/compute/functions/InstanceToNodeMetadata.java [76:116]
38 lines of code
6 McCabe index (conditional complexity)

   public NodeMetadata apply(Instance from) {
      NodeMetadataBuilder builder = new NodeMetadataBuilder();

      Optional<? extends Image> image = findImage(from.imageId());
      if (image.isPresent()) {
         builder.imageId(image.get().getId());
         builder.operatingSystem(image.get().getOperatingSystem());
      } else {
         logger.info(">> image with id %s for instance %s was not found. "
                     + "This might be because the image that was used to create the instance has a new id.",
               from.instanceType(), from.id());
      }
      Optional<? extends Hardware> hardware = findHardware(from.instanceType());
      if (hardware.isPresent()) {
         builder.hardware(hardware.get());
      } else {
         logger.info(">> hardware with id %s for instance %s was not found. "
                         + "This might be because the image that was used to create the instance has a new id.",
                 from.instanceType(), from.id());
      }

      builder.id(RegionAndId.slashEncodeRegionAndId(from.regionId(), from.id()));
      builder.providerId(from.id());
      builder.name(from.name());
      builder.hostname(String.format("%s", from.hostname()));
      builder.group(groupNamingConvention.extractGroup(from.name()));
      builder.status(toPortableStatus.apply(from.status()));
      builder.privateAddresses(from.innerIpAddress().entrySet().iterator().next().getValue());
      builder.publicAddresses(from.publicIpAddress().entrySet().iterator().next().getValue());
      builder.location(from(locations.get()).firstMatch(LocationPredicates.idEquals(from.regionId())).orNull());
      if (from.tags() != null && !from.tags().isEmpty()) {
         ImmutableMap.Builder tagsBuilder = new ImmutableMap.Builder();
         for (Tag tag : from.tags().entrySet().iterator().next().getValue()) {
            tagsBuilder.put(tag.key(), tag.value());
         }
         addMetadataAndParseTagsFromValuesOfEmptyString(builder, tagsBuilder.build());
      }

      NodeMetadata nodeMetadata = builder.build();
      return nodeMetadata;
   }