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Add default values for java clients #16

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Add default values for java clients #16

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22 changes: 21 additions & 1 deletion msgpack-idl/Language/MessagePack/IDL/CodeGen/Java.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ genInit Field {..} = case fldDefault of

genDecl :: Field -> LT.Text
genDecl Field {..} =
[lt| public #{genType fldType} #{fldName};
[lt| public #{genType fldType} #{fldName} = #{genValue fldType};
|]

genException :: FilePath -> Decl -> IO()
Expand Down Expand Up @@ -267,6 +267,26 @@ genType TObject =
[lt|org.msgpack.type.Value|]
genType TVoid =
[lt|void|]

genValue :: Type -> LT.Text
genValue (TInt _ bits) = [lt|0|]
genValue (TFloat _) = [lt|0.0|]
genValue TBool = [lt|false|]
genValue TRaw = [lt|""|]
genValue (TList typ) =
[lt|new ArrayList<#{genWrapperType typ} >()|]
genValue (TMap typ1 typ2) =
[lt|new HashMap<#{genType typ1}, #{genType typ2} >()|]
genValue (TUserDef className params) =
[lt|new #{formatClassNameT className} #{associateBracket $ map genType params}()|]
genValue (TTuple ts) =
foldr1 (\t1 t2 -> [lt|new Tuple<#{t1}, #{t2} >()|]) $ map genWrapperType ts
genValue TObject =
[lt|org.msgpack.type.NilValue.getInstance()|]
genValue (TNullable _) =
[lt|null|]
genValue TString = [lt|""|]


genTypeWithContext :: Spec -> Type -> LT.Text
genTypeWithContext spec t = case t of
Expand Down