From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Sat, 10 Sep 2016 20:41:06 +0000 (-0400)
Subject: lib serialization: `deserialize` accepts the name of the static type as argument
X-Git-Url: http://nitlanguage.org

lib serialization: `deserialize` accepts the name of the static type as argument

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/lib/binary/serialization.nit b/lib/binary/serialization.nit
index f4228b3..580639e 100644
--- a/lib/binary/serialization.nit
+++ b/lib/binary/serialization.nit
@@ -304,7 +304,7 @@ class BinaryDeserializer
 		return null
 	end
 
-	redef fun deserialize
+	redef fun deserialize(static_type)
 	do
 		errors.clear
 
diff --git a/lib/json/serialization_read.nit b/lib/json/serialization_read.nit
index 91959c1..91bd914 100644
--- a/lib/json/serialization_read.nit
+++ b/lib/json/serialization_read.nit
@@ -321,10 +321,10 @@ class JsonDeserializer
 	# Current array open for deserialization, used by `SimpleCollection::from_deserializer`
 	private var opened_array: nullable Array[nullable Object] = null
 
-	redef fun deserialize
+	redef fun deserialize(static_type)
 	do
 		errors.clear
-		return convert_object(root)
+		return convert_object(root, static_type)
 	end
 
 	# User customizable heuristic to infer the name of the Nit class to deserialize `json_object`
diff --git a/lib/serialization/serialization.nit b/lib/serialization/serialization.nit
index db02122..b39c1aa 100644
--- a/lib/serialization/serialization.nit
+++ b/lib/serialization/serialization.nit
@@ -92,8 +92,10 @@ end
 abstract class Deserializer
 	# Deserialize and return an object, storing errors in the attribute `errors`
 	#
+	# If a `static_type` is given, only subtypes of the `static_type` are accepted.
+	#
 	# This method behavior varies according to the implementation engines.
-	fun deserialize: nullable Object is abstract
+	fun deserialize(static_type: nullable String): nullable Object is abstract
 
 	# Deserialize the attribute with `name` from the object open for deserialization
 	#