Prep work for #4659 (reduce use of TypeFactory.defaultInstance()) (#4745)

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/databind/SerializeUsingJDKTest.java

@@ -223,7 +223,7 @@ public void testObjectMapper() throws Exception
     @Test
     public void testTypeFactory() throws Exception
     {
-        TypeFactory orig = TypeFactory.defaultInstance();
+        TypeFactory orig = defaultTypeFactory();
         JavaType t = orig.constructType(JavaType.class);
         assertNotNull(t);
 

src/test/java/com/fasterxml/jackson/databind/contextual/ContextualKeyTypesTest.java

@@ -11,7 +11,7 @@
 import com.fasterxml.jackson.databind.deser.ContextualKeyDeserializer;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.ser.ContextualSerializer;
-import com.fasterxml.jackson.databind.type.TypeFactory;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -20,7 +20,7 @@
  * Tests to ensure that we can do contextual key serializers and
  * deserializers as well as value ser/deser.
  */
-public class ContextualKeyTypesTest
+public class ContextualKeyTypesTest extends DatabindTestUtil
 {
     /*
     /**********************************************************
@@ -99,7 +99,7 @@ public void testSimpleKeySer() throws Exception
         mapper.registerModule(module);
         Map<String,Object> input = new HashMap<String,Object>();
         input.put("a", Integer.valueOf(3));
-        String json = mapper.writerFor(TypeFactory.defaultInstance().constructMapType(HashMap.class, String.class, Object.class))
+        String json = mapper.writerFor(defaultTypeFactory().constructMapType(HashMap.class, String.class, Object.class))
             .writeValueAsString(input);
         assertEquals("{\"prefix:a\":3}", json);
     }

src/test/java/com/fasterxml/jackson/databind/deser/creators/ValueInstantiatorTest.java

@@ -251,7 +251,7 @@ static class MyDelegateMapInstantiator extends ValueInstantiator.Base
 
         @Override
         public JavaType getDelegateType(DeserializationConfig config) {
-            return TypeFactory.defaultInstance().constructType(Object.class);
+            return defaultTypeFactory().constructType(Object.class);
         }
 
         @Override

src/test/java/com/fasterxml/jackson/databind/deser/jdk/MapWithGenericValuesDeserTest.java

@@ -8,13 +8,14 @@
 
 import com.fasterxml.jackson.databind.*;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
 import com.fasterxml.jackson.databind.type.TypeFactory;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 @SuppressWarnings("serial")
-public class MapWithGenericValuesDeserTest
+public class MapWithGenericValuesDeserTest extends DatabindTestUtil
 {
     /*
     /**********************************************************
@@ -154,7 +155,7 @@ public void testKeyViaCtor() throws Exception
     {
         ObjectMapper mapper = new ObjectMapper();
         Map<KeyTypeCtor,Integer> map = mapper.readValue("{\"a\":123}",
-                TypeFactory.defaultInstance().constructMapType(HashMap.class, KeyTypeCtor.class, Integer.class));
+                defaultTypeFactory().constructMapType(HashMap.class, KeyTypeCtor.class, Integer.class));
         assertEquals(1, map.size());
         Map.Entry<?,?> entry = map.entrySet().iterator().next();
         assertEquals(Integer.valueOf(123), entry.getValue());
@@ -168,7 +169,7 @@ public void testKeyViaFactory() throws Exception
     {
         ObjectMapper mapper = new ObjectMapper();
         Map<KeyTypeCtor,Integer> map = mapper.readValue("{\"a\":123}",
-                TypeFactory.defaultInstance().constructMapType(HashMap.class, KeyTypeFactory.class, Integer.class));
+                defaultTypeFactory().constructMapType(HashMap.class, KeyTypeFactory.class, Integer.class));
         assertEquals(1, map.size());
         Map.Entry<?,?> entry = map.entrySet().iterator().next();
         assertEquals(Integer.valueOf(123), entry.getValue());

src/test/java/com/fasterxml/jackson/databind/exc/BasicExceptionTest.java

@@ -10,13 +10,14 @@
 import com.fasterxml.jackson.core.*;
 import com.fasterxml.jackson.databind.*;
 import com.fasterxml.jackson.databind.introspect.BeanPropertyDefinition;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
 import com.fasterxml.jackson.databind.type.TypeFactory;
 
 import static org.junit.jupiter.api.Assertions.*;
 
 import static com.fasterxml.jackson.databind.testutil.DatabindTestUtil.newJsonMapper;
 
-public class BasicExceptionTest
+public class BasicExceptionTest extends DatabindTestUtil
 {
     static class User {
         public String user;
@@ -32,7 +33,7 @@ static class Users {
     @Test
     public void testBadDefinition() throws Exception
     {
-        JavaType t = TypeFactory.defaultInstance().constructType(String.class);
+        JavaType t = defaultTypeFactory().constructType(String.class);
         JsonParser p = JSON_F.createParser("[]");
         InvalidDefinitionException e = new InvalidDefinitionException(p,
                "Testing", t);

src/test/java/com/fasterxml/jackson/databind/ext/MiscJavaXMLTypesReadWriteTest.java

@@ -102,7 +102,7 @@ private String removeZ(String dateStr) {
     public void testDeserializerLoading()
     {
         CoreXMLDeserializers sers = new CoreXMLDeserializers();
-        TypeFactory f = TypeFactory.defaultInstance();
+        TypeFactory f = defaultTypeFactory();
         sers.findBeanDeserializer(f.constructType(Duration.class), null, null);
         sers.findBeanDeserializer(f.constructType(XMLGregorianCalendar.class), null, null);
         sers.findBeanDeserializer(f.constructType(QName.class), null, null);

src/test/java/com/fasterxml/jackson/databind/introspect/MethodGenericTypeResolverTest.java

@@ -5,11 +5,12 @@
 import java.util.concurrent.atomic.AtomicReference;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
+
 import com.fasterxml.jackson.core.type.TypeReference;
+
 import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
 import com.fasterxml.jackson.databind.type.TypeBindings;
-import com.fasterxml.jackson.databind.type.TypeFactory;
 
 import org.junit.jupiter.api.Test;
 
@@ -18,7 +19,7 @@
 public class MethodGenericTypeResolverTest extends DatabindTestUtil {
 
     private static final TypeResolutionContext EMPTY_CONTEXT =
-            new TypeResolutionContext.Empty(TypeFactory.defaultInstance());
+            new TypeResolutionContext.Empty(defaultTypeFactory());
 
     public static <T> AtomicReference<T> simple(T input) {
         throw new UnsupportedOperationException();

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

@@ -64,7 +64,7 @@ public void testSubTypesFor356() throws Exception
                 .configure(MapperFeature.USE_STATIC_TYPING, true)
                 .build();
 
-        JavaType rootType = TypeFactory.defaultInstance().constructType(new TypeReference<JSONResponse<List<Parent>>>() { });
+        JavaType rootType = defaultTypeFactory().constructType(new TypeReference<JSONResponse<List<Parent>>>() { });
         byte[] json = mapper.writerFor(rootType).writeValueAsBytes(input);
 
         JSONResponse<List<Parent>> out = mapper.readValue(json, 0, json.length, rootType);

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

@@ -185,15 +185,15 @@ public void testContainedInferenceOfEmptySubtype() throws Exception {
 
   @Test
   public void testListInference() throws Exception {
-    JavaType listOfCats = TypeFactory.defaultInstance().constructParametricType(List.class, Cat.class);
+    JavaType listOfCats = defaultTypeFactory().constructParametricType(List.class, Cat.class);
     List<Cat> boxes = MAPPER.readValue(arrayOfCatsJson, listOfCats);
     assertTrue(boxes.get(0) instanceof LiveCat);
     assertTrue(boxes.get(1) instanceof DeadCat);
   }
 
   @Test
   public void testMapInference() throws Exception {
-    JavaType mapOfCats = TypeFactory.defaultInstance().constructParametricType(Map.class, String.class, Cat.class);
+    JavaType mapOfCats = defaultTypeFactory().constructParametricType(Map.class, String.class, Cat.class);
     Map<String, Cat> map = MAPPER.readValue(mapOfCatsJson, mapOfCats);
     assertEquals(1, map.size());
     assertTrue(map.entrySet().iterator().next().getValue() instanceof LiveCat);
@@ -281,7 +281,7 @@ public void testDefaultImpl() throws Exception {
   @Test
   public void testSimpleSerialization() throws Exception {
     // Given:
-    JavaType listOfCats = TypeFactory.defaultInstance().constructParametricType(List.class, Cat.class);
+    JavaType listOfCats = defaultTypeFactory().constructParametricType(List.class, Cat.class);
     List<Cat> list = MAPPER.readValue(arrayOfCatsJson, listOfCats);
     Cat cat = list.get(0);
     // When:
@@ -293,7 +293,7 @@ public void testSimpleSerialization() throws Exception {
   @Test
   public void testListSerialization() throws Exception {
     // Given:
-    JavaType listOfCats = TypeFactory.defaultInstance().constructParametricType(List.class, Cat.class);
+    JavaType listOfCats = defaultTypeFactory().constructParametricType(List.class, Cat.class);
     List<Cat> list = MAPPER.readValue(arrayOfCatsJson, listOfCats);
     // When:
     String json = MAPPER.writeValueAsString(list);

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

@@ -91,7 +91,7 @@ public void testRoundTrip() throws Exception
         };
         String json = MAPPER.writeValueAsString(input);
         List<Animal> output = MAPPER.readValue(json,
-                TypeFactory.defaultInstance().constructCollectionType(ArrayList.class, Animal.class));
+                defaultTypeFactory().constructCollectionType(ArrayList.class, Animal.class));
         assertEquals(input.length, output.size());
         for (int i = 0, len = input.length; i < len; ++i) {
             assertEquals(input[i], output.get(i), "Entry #"+i+" differs, input = '"+json+"'");

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

@@ -220,7 +220,7 @@ public void testListAsArray() throws Exception
             +asJSONObjectValueString(m, "@classy", Fish.class.getName())
             +", null\n]";
 
-        JavaType expType = TypeFactory.defaultInstance().constructCollectionType(ArrayList.class, Animal.class);
+        JavaType expType = defaultTypeFactory().constructCollectionType(ArrayList.class, Animal.class);
         List<Animal> animals = m.readValue(JSON, expType);
         assertNotNull(animals);
         assertEquals(4, animals.size());

src/test/java/com/fasterxml/jackson/databind/jsontype/deftyping/TestDefaultForMaps.java

@@ -125,7 +125,7 @@ protected TypeNameIdResolver createTypeNameIdResolver(boolean forSerialization)
         subtypes.add(new NamedType(HashMap.class, "HMap"));
         ObjectMapper mapper = new ObjectMapper();
         return TypeNameIdResolver.construct(mapper.getDeserializationConfig(),
-                TypeFactory.defaultInstance().constructType(Object.class), subtypes, forSerialization, !forSerialization);
+                defaultTypeFactory().constructType(Object.class), subtypes, forSerialization, !forSerialization);
     }
 
     @Test

src/test/java/com/fasterxml/jackson/databind/jsontype/jdk/TypedArrayDeserTest.java

@@ -56,7 +56,7 @@ public void testIntList() throws Exception
         ObjectMapper m = new ObjectMapper();
         // uses WRAPPER_OBJECT inclusion
         String JSON = "{\""+TypedListAsWrapper.class.getName()+"\":[4,5, 6]}";
-        JavaType type = TypeFactory.defaultInstance().constructCollectionType(TypedListAsWrapper.class, Integer.class);
+        JavaType type = defaultTypeFactory().constructCollectionType(TypedListAsWrapper.class, Integer.class);
         TypedListAsWrapper<Integer> result = m.readValue(JSON, type);
         assertNotNull(result);
         assertEquals(3, result.size());
@@ -76,7 +76,7 @@ public void testBooleanListAsProp() throws Exception
         ObjectMapper m = new ObjectMapper();
         // tries to use PROPERTY inclusion; but for ARRAYS (and scalars) will become ARRAY_WRAPPER
         String JSON = "[\""+TypedListAsProp.class.getName()+"\",[true, false]]";
-        JavaType type = TypeFactory.defaultInstance().constructCollectionType(TypedListAsProp.class, Boolean.class);
+        JavaType type = defaultTypeFactory().constructCollectionType(TypedListAsProp.class, Boolean.class);
         TypedListAsProp<Object> result = m.readValue(JSON, type);
         assertNotNull(result);
         assertEquals(2, result.size());
@@ -91,7 +91,7 @@ public void testLongListAsWrapper() throws Exception
         // uses OBJECT_ARRAY, works just fine
 
         String JSON = "{\""+TypedListAsWrapper.class.getName()+"\":[1, 3]}";
-        JavaType type = TypeFactory.defaultInstance().constructCollectionType(TypedListAsWrapper.class, Long.class);
+        JavaType type = defaultTypeFactory().constructCollectionType(TypedListAsWrapper.class, Long.class);
         TypedListAsWrapper<Object> result = m.readValue(JSON, type);
         assertNotNull(result);
         assertEquals(2, result.size());

src/test/java/com/fasterxml/jackson/databind/module/TestTypeModifiers.java

@@ -216,7 +216,7 @@ public JavaType modifyType(JavaType type, Type jdkType, TypeBindings bindings, T
      */
 
     private final ObjectMapper MAPPER_WITH_MODIFIER = JsonMapper.builder()
-            .typeFactory(TypeFactory.defaultInstance().withModifier(new MyTypeModifier()))
+            .typeFactory(defaultTypeFactory().withModifier(new MyTypeModifier()))
             .build();
 
     /**

src/test/java/com/fasterxml/jackson/databind/testutil/DatabindTestUtil.java

@@ -367,7 +367,7 @@ protected static ObjectReader objectReader() {
 
     public static TypeFactory newTypeFactory() {
         // this is a work-around; no null modifier added
-        return TypeFactory.defaultInstance().withModifier(null);
+        return defaultTypeFactory().withModifier(null);
     }
 
     /*
@@ -560,6 +560,11 @@ public static TimeZone getUTCTimeZone() {
         return TimeZone.getTimeZone("GMT");
     }
 
+    // Separated out since "default" TypeFactory instance handling differs
+    // between 2.x and 3.x
+    public static TypeFactory defaultTypeFactory() {
+        return TypeFactory.defaultInstance();
+    }
 
     protected JsonParser createParserUsingReader(String input)
         throws IOException