public static ApiContext getChefService()

in chef/core/src/main/java/org/jclouds/karaf/chef/core/ChefHelper.java [185:228]
43 lines of code
13 McCabe index (conditional complexity)

    public static ApiContext<ChefApi> getChefService(String id, String api, List<ApiContext<ChefApi>> services) {
        if (!Strings.isNullOrEmpty(id)) {
            ApiContext<ChefApi> service = null;
            for (ApiContext<ChefApi> ctx : services) {
                if (id.equals(ctx.getName())) {
                    service = ctx;
                    break;
                }
            }
            if (service == null) {
                throw new IllegalArgumentException("No chef service with id" + id + " found.");
            }
            return service;
        }

        if (!Strings.isNullOrEmpty(api)) {
            ApiContext<ChefApi> service = null;
            for (ApiContext<ChefApi> ctx : services) {
                if (api.equals(ctx.getId())) {
                    service = ctx;
                    break;
                }
            }
            if (service == null) {
                throw new IllegalArgumentException("No Api named " + api + " found.");
            }
            return service;
        } else {
            if (services.size() == 0) {
                throw new IllegalArgumentException("No apis are present.  Note: It takes a couple of seconds for the provider to initialize.");
            } else if (services.size() != 1) {
                StringBuilder sb = new StringBuilder();
                for (ApiContext<ChefApi> ctx : services) {
                    if (sb.length() > 0) {
                        sb.append(", ");
                    }
                    sb.append(ctx.getName());
                }
                throw new IllegalArgumentException("Multiple apis are present, please select one using the--api argument in the following values: " + sb.toString());
            } else {
                return services.get(0);
            }
        }
    }