Add JsonMapper.rebuild() for further 3.x compatibility

FasterXML · Dec 10, 2018 · 85f384a · 85f384a
1 parent b360fd4
commit 85f384a
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/main/java/com/fasterxml/jackson/databind/json/JsonMapper.java b/src/main/java/com/fasterxml/jackson/databind/json/JsonMapper.java
@@ -118,6 +118,12 @@ public static Builder builder(JsonFactory streamFactory) {
         return new Builder(new JsonMapper(streamFactory));
     }
 
+    public JsonMapper.Builder  rebuild() {
+        // 09-Dec-2018, tatu: Not as good as what 3.0 has wrt immutability, but best approximation
+        //     we have for 2.x
+        return new Builder(this.copy());
+    }
+
     /*
     /**********************************************************
     /* Standard method overrides

diff --git a/src/test/java/com/fasterxml/jackson/databind/ObjectReaderTest.java b/src/test/java/com/fasterxml/jackson/databind/ObjectReaderTest.java
@@ -10,13 +10,14 @@
 import com.fasterxml.jackson.core.json.JsonReadFeature;
 import com.fasterxml.jackson.databind.cfg.ContextAttributes;
 import com.fasterxml.jackson.databind.deser.DeserializationProblemHandler;
+import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
 public class ObjectReaderTest extends BaseMapTest
 {
-    final ObjectMapper MAPPER = new ObjectMapper();
+    final JsonMapper MAPPER = JsonMapper.builder().build();
 
     static class POJO {
         public Map<String, Object> name;