public ScalingPolicy apply()

in rackspace-autoscale/src/main/java/org/jclouds/rackspace/autoscale/v1/functions/ParseScalingPolicyResponse.java [54:89]

29 lines of code
5 McCabe index (conditional complexity)


   public ScalingPolicy apply(HttpResponse from) {
      // This needs to be refactored when the service is in a more final state and changing less often
      // A lot of the complexity is expected to go away

      Map<String, Object> singleMap = json.apply(from);
      Map<String, Object> scalingPolicyMap = (Map<String, Object>) singleMap.get("policy");

      ScalingPolicyTargetType targetType = null;
      for (String key : scalingPolicyMap.keySet()) {
         if (ScalingPolicyTargetType.getByValue(key).isPresent()) {
            targetType = ScalingPolicyTargetType.getByValue(key).get();
            break;
         }  
      }

      ImmutableList.Builder<Link> links = ImmutableList.builder();
      for (Map<String, String> linkMap : (List<Map<String, String>>) scalingPolicyMap.get("links")) {
         Link link = Link.builder().href(URI.create(linkMap.get("href"))).relation(Relation.fromValue(linkMap.get("rel"))).build();
         links.add(link);
      }

      Double d = (Double)scalingPolicyMap.get(targetType.toString()); // GSON only knows double now
      ScalingPolicy scalingPolicyResponse =
            new ScalingPolicy(
                  (String)scalingPolicyMap.get("name"),
                  ScalingPolicyType.getByValue((String)scalingPolicyMap.get("type")).get(),
                  ((Double)scalingPolicyMap.get("cooldown")).intValue(),
                  DoubleMath.isMathematicalInteger(d) ? Integer.toString(d.intValue()) : Double.toString(d),
                        targetType,
                        (Map<String, String>) scalingPolicyMap.get("args"),
                        ImmutableList.copyOf(links.build()),
                        (String) scalingPolicyMap.get("id")
                  );

      return scalingPolicyResponse;
   }