Fix #2016

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -780,3 +780,7 @@ Jakub Skierbiszewski (jskierbi@github)
   * Reported, contributed fix for #2001: Deserialization issue with `@JsonIgnore` and
     `@JsonCreator` + `@JsonProperty` for same property name
    (2.9.6)
+
+Carter Kozak (cakofony@github)
+  * Reported #2016: Delegating JsonCreator disregards JsonDeserialize info
+   (2.9.6)

release-notes/VERSION-2.x

@@ -21,6 +21,8 @@ Project: jackson-databind
 #2001: Deserialization issue with `@JsonIgnore` and `@JsonCreator` + `@JsonProperty`
   for same property name
  (reported, fix contributed by Jakub S)
+#2016: Delegating JsonCreator disregards JsonDeserialize info
+ (reported by Carter K)
 #2019: Abstract Type mapping in 2.9 fails when multiple modules are registered
  (reported by asger82@github)
 

src/main/java/com/fasterxml/jackson/databind/deser/BasicDeserializerFactory.java

@@ -275,7 +275,8 @@ public ValueInstantiator findValueInstantiator(DeserializationContext ctxt,
         if (instantiator.getIncompleteParameter() != null) {
             final AnnotatedParameter nonAnnotatedParam = instantiator.getIncompleteParameter();
             final AnnotatedWithParams ctor = nonAnnotatedParam.getOwner();
-            throw new IllegalArgumentException("Argument #"+nonAnnotatedParam.getIndex()+" of constructor "+ctor+" has no property name annotation; must have name when multiple-parameter constructor annotated as Creator");
+            throw new IllegalArgumentException("Argument #"+nonAnnotatedParam.getIndex()
+                +" of constructor "+ctor+" has no property name annotation; must have name when multiple-parameter constructor annotated as Creator");
         }
 
         return instantiator;
@@ -2143,36 +2144,6 @@ protected JavaType modifyTypeByAnnotation(DeserializationContext ctxt,
         if (intr == null) {
             return type;
         }
-
-        // First, deserializers for key/value types?
-        /*
-        if (type.isMapLikeType()) {
-            JavaType keyType = type.getKeyType();
-            // 21-Mar-2011, tatu: ... and associated deserializer too (unless already assigned)
-            //  (not 100% why or how, but this does seem to get called more than once, which
-            //   is not good: for now, let's just avoid errors)
-            if (keyType != null && keyType.getValueHandler() == null) {
-                Object kdDef = intr.findKeyDeserializer(a);
-                KeyDeserializer kd = ctxt.keyDeserializerInstance(a, kdDef);
-                if (kd != null) {
-                    type = (T) ((MapLikeType) type).withKeyValueHandler(kd);
-                    keyType = type.getKeyType(); // just in case it's used below
-                }
-            }            
-        }
-        JavaType contentType = type.getContentType();
-        if (contentType != null) {
-           // ... as well as deserializer for contents:
-           if (contentType.getValueHandler() == null) { // as with above, avoid resetting (which would trigger exception)
-               Object cdDef = intr.findContentDeserializer(a);
-                JsonDeserializer<?> cd = ctxt.deserializerInstance(a, cdDef);
-                if (cd != null) {
-                    type = (T) type.withContentValueHandler(cd);
-                }
-            }
-        }
-        */
-        // then: type refinement(s)?
         return intr.refineDeserializationType(ctxt.getConfig(), a, type);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/CreatorCollector.java

@@ -68,8 +68,6 @@ public class CreatorCollector {
 
     protected SettableBeanProperty[] _propertyBasedArgs;
 
-    protected AnnotatedParameter _incompleteParameter;
-
     /*
     /**********************************************************
     /* Life-cycle
@@ -83,11 +81,12 @@ public CreatorCollector(BeanDescription beanDesc, MapperConfig<?> config) {
                 .isEnabled(MapperFeature.OVERRIDE_PUBLIC_ACCESS_MODIFIERS);
     }
 
-    public ValueInstantiator constructValueInstantiator(
-            DeserializationConfig config) {
-        final JavaType delegateType = _computeDelegateType(
+    public ValueInstantiator constructValueInstantiator(DeserializationConfig config)
+        throws JsonMappingException
+    {
+        final JavaType delegateType = _computeDelegateType(config,
                 _creators[C_DELEGATE], _delegateArgs);
-        final JavaType arrayDelegateType = _computeDelegateType(
+        final JavaType arrayDelegateType = _computeDelegateType(config,
                 _creators[C_ARRAY_DELEGATE], _arrayDelegateArgs);
         final JavaType type = _beanDesc.getType();
 
@@ -108,7 +107,6 @@ public ValueInstantiator constructValueInstantiator(
         inst.configureFromLongCreator(_creators[C_LONG]);
         inst.configureFromDoubleCreator(_creators[C_DOUBLE]);
         inst.configureFromBooleanCreator(_creators[C_BOOLEAN]);
-        inst.configureIncompleteParameter(_incompleteParameter);
         return inst;
     }
 
@@ -193,12 +191,6 @@ public void addPropertyCreator(AnnotatedWithParams creator,
         }
     }
 
-    public void addIncompeteParameter(AnnotatedParameter parameter) {
-        if (_incompleteParameter == null) {
-            _incompleteParameter = parameter;
-        }
-    }
-
     /*
     /**********************************************************
     /* Accessors
@@ -232,8 +224,10 @@ public boolean hasPropertyBasedCreator() {
     /**********************************************************
      */
 
-    private JavaType _computeDelegateType(AnnotatedWithParams creator,
-            SettableBeanProperty[] delegateArgs) {
+    private JavaType _computeDelegateType(MapperConfig<?> config,
+            AnnotatedWithParams creator, SettableBeanProperty[] delegateArgs)
+        throws JsonMappingException
+    {
         if (!_hasNonDefaultCreator || (creator == null)) {
             return null;
         }
@@ -247,7 +241,11 @@ private JavaType _computeDelegateType(AnnotatedWithParams creator,
                 }
             }
         }
-        return creator.getParameterType(ix);
+        // 03-May-2018, tatu: [databind#2016] need to check possible annotation-based
+        //    type refinement(s)
+        JavaType baseType = creator.getParameterType(ix);
+        return config.getAnnotationIntrospector().refineDeserializationType(config,
+                creator.getParameter(ix), baseType);
     }
 
     private <T extends AnnotatedMember> T _fixAccess(T member) {

src/main/java/com/fasterxml/jackson/databind/deser/std/StdValueInstantiator.java

@@ -509,8 +509,7 @@ protected JsonMappingException rewrapCtorProblem(DeserializationContext ctxt,
     /**********************************************************
      */
 
-    private Object _createUsingDelegate(
-            AnnotatedWithParams delegateCreator,
+    private Object _createUsingDelegate(AnnotatedWithParams delegateCreator,
             SettableBeanProperty[] delegateArguments,
             DeserializationContext ctxt,
             Object delegate)

src/test/java/com/fasterxml/jackson/databind/jsontype/SubTypeResolution1964Test.java

@@ -39,7 +39,7 @@ public void testTypeCompatibility1964() throws Exception
     {
         // Important! Must use raw type since assignment requires effectively
         // casting due incompatible type parameters.
-        @SuppressWarnings("unchecked")
+        @SuppressWarnings({ "unchecked", "rawtypes" })
         Map<String, Collection<String>> repoPrivilegesMap = new CustomMap();
         String key = "/storages/storage0/releases";
         Collection<String> values = new HashSet<>();