Initial #1356 implementation

FasterXML · Sep 29, 2016 · c1478ac · c1478ac
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diff --git a/release-notes/CREDITS b/release-notes/CREDITS
@@ -459,6 +459,8 @@ William Headrick (headw01@github)
 Nick Babcock (nickbabcock)
   * Reported #1225: `JsonMappingException` should override getProcessor()
    (2.7.5)
+  * Suggested #1356: Differentiate between input and code exceptions on deserialization
+   (2.9.0)
 
 Andrew Joseph (apjoseph@github)
   * Reported #1248: `Annotated` returns raw type in place of Generic Type in 2.7.x

diff --git a/release-notes/VERSION b/release-notes/VERSION
@@ -8,6 +8,8 @@ Project: jackson-databind
 
 #1341: FAIL_ON_MISSING_EXTERNAL_TYPE_ID_PROPERTY
  (contributed by Connor K)
+#1356: Differentiate between input and code exceptions on deserialization
+ (suggested by Nick B)
 #1369: Improve `@JsonCreator` detection via `AnnotationIntrospector`
  by passing `MappingConfig`
 #1371: Add `MapperFeature.INFER_CREATOR_FROM_CONSTRUCTOR_PROPERTIES` to allow

diff --git a/src/main/java/com/fasterxml/jackson/databind/DatabindContext.java b/src/main/java/com/fasterxml/jackson/databind/DatabindContext.java
@@ -224,4 +224,19 @@ public Converter<Object,Object> converterInstance(Annotated annotated,
         }
         return (Converter<Object,Object>) conv;
     }
+
+    /*
+    /**********************************************************
+    /* Error reporting
+    /**********************************************************
+     */
+
+    /**
+     * Helper method called to indicate a generic problem that stems from type
+     * definition(s), not input data, or input/output state; typically this
+     * means throwing a {@link com.fasterxml.jackson.databind.exc.InvalidDefinitionException}.
+     *
+     * @since 2.9
+     */
+    public abstract <T> T reportBadDefinition(JavaType type, String msg) throws JsonMappingException;
 }