X-Git-Url: http://www.average.org/gitweb/?p=pdns-pipe-nmc.git;a=blobdiff_plain;f=NmcDom.hs;h=79402e7da1b8f185421842552195c06a8b895812;hp=8153a1dd7dad2d0b3128b455cf465bf0a93aa381;hb=aa91db8940672a57169b1bb400fa3c1a1e9dd335;hpb=25e3fdd1a8580a4436088d3f66c14cfa321ad52f

diff --git a/NmcDom.hs b/NmcDom.hs
index 8153a1d..79402e7 100644
--- a/NmcDom.hs
+++ b/NmcDom.hs
@@ -4,7 +4,7 @@ module NmcDom   ( NmcDom(..)
                 , NmcRRService(..)
                 , NmcRRI2p(..)
                 , NmcRRTls(..)
-                , emptyNmcDom
+                , NmcRRDs(..)
                 , mergeNmcDom
                 ) where
 
@@ -19,6 +19,7 @@ import Data.Map (Map, unionWith)
 import qualified Data.HashMap.Strict as H (lookup)
 import Data.Aeson
 import Data.Aeson.Types
+import Data.Default.Class
 
 -- Variant of Aeson's `.:?` that interprets a String as a
 -- single-element list, so it is possible to have either
@@ -80,16 +81,16 @@ instance Mergeable NmcRRService where
         merge _ b = b
 
 data NmcRRI2p = NmcRRI2p
-                        { i2pDestination :: String
-                        , i2pName        :: String
-                        , i2pB32         :: String
+                        { i2pDestination :: Maybe String
+                        , i2pName        :: Maybe String
+                        , i2pB32         :: Maybe String
                         } deriving (Show, Eq)
 
 instance FromJSON NmcRRI2p where
         parseJSON (Object o) = NmcRRI2p
-                <$> o .: "destination"
-                <*> o .: "name"
-                <*> o .: "b32"
+                <$> o .:? "destination"
+                <*> o .:? "name"
+                <*> o .:? "b32"
         parseJSON _ = empty
 
 instance Mergeable NmcRRI2p where
@@ -156,14 +157,19 @@ data NmcDom = NmcDom    { domService     :: Maybe [NmcRRService]
                         , domSrv         :: Maybe [String] -- Synthetic
                         } deriving (Show, Eq)
 
+instance Default NmcDom where
+  def = NmcDom Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+               Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+               Nothing Nothing Nothing Nothing Nothing Nothing
+
 instance FromJSON NmcDom where
         -- Wherever we expect a domain object, there may be a string
         -- containing IPv4 address. Interpret it as such.
         -- Question: shall we try to recognize IPv6 addresses too?
         parseJSON (String s) =
                  return $ if isIPv4 s'
-                            then emptyNmcDom { domIp = Just [s'] }
-                            else emptyNmcDom
+                            then def { domIp = Just [s'] }
+                            else def
                           where
                             s' = unpack s
                             isIPv4 x = all isNibble $ splitOn "." x
@@ -226,8 +232,3 @@ instance Mergeable NmcDom where
 
 mergeNmcDom :: NmcDom -> NmcDom -> NmcDom
 mergeNmcDom = merge
-
-emptyNmcDom = NmcDom Nothing Nothing Nothing Nothing Nothing Nothing
-                     Nothing Nothing Nothing Nothing Nothing Nothing
-                     Nothing Nothing Nothing Nothing Nothing Nothing
-                     Nothing Nothing