Remove uses of TypeFactory.defaultInstance()

Author: cowtowncoder

avro/src/main/java/com/fasterxml/jackson/dataformat/avro/schema/StringVisitor.java

@@ -10,7 +10,6 @@
 import com.fasterxml.jackson.databind.SerializerProvider;
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonStringFormatVisitor;
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonValueFormat;
-import com.fasterxml.jackson.databind.type.TypeFactory;
 
 public class StringVisitor extends JsonStringFormatVisitor.Base
     implements SchemaBuilder
@@ -37,7 +36,8 @@ public void enumTypes(Set<String> enums) {
     public Schema builtAvroSchema() {
         // Unlike Jackson, Avro treats characters as an int with the java.lang.Character class type.
         if (_type.hasRawClass(char.class) || _type.hasRawClass(Character.class)) {
-            return AvroSchemaHelper.numericAvroSchema(NumberType.INT, TypeFactory.defaultInstance().constructType(Character.class));
+            // should we construct JavaType for `Character.class` in case of primitive or... ?
+            return AvroSchemaHelper.numericAvroSchema(NumberType.INT, _type);
         }
         // [dataformats-binary#179]: need special help with UUIDs, to coerce into Binary
         //   (could actually be

avro/src/test/java/com/fasterxml/jackson/dataformat/avro/schema/DateTimeVisitor_builtAvroSchemaTest.java

@@ -25,10 +25,8 @@
 @RunWith(Parameterized.class)
 public class DateTimeVisitor_builtAvroSchemaTest {
 
-    private static final TypeFactory TYPE_FACTORY = TypeFactory.defaultInstance();
-
     @Parameter(0)
-    public Class testClass;
+    public Class<?> testClass;
 
     @Parameter(1)
     public JsonParser.NumberType givenNumberType;
@@ -40,7 +38,7 @@ public class DateTimeVisitor_builtAvroSchemaTest {
     public String expectedLogicalType;
 
     @Parameters(name = "With {0} and number type {1}")
-    public static Collection testData() {
+    public static Collection<?> testData() {
         return Arrays.asList(new Object[][]{
                 // Java type  | given number type, | expected Avro type | expected logicalType
                 {
@@ -72,14 +70,16 @@ public static Collection testData() {
                         LocalTime.class,
                         JsonParser.NumberType.INT,
                         Schema.Type.INT,
-                        "time-millis"},
+                        "time-millis"
+                }
         });
     }
 
     @Test
     public void builtAvroSchemaTest() {
         // GIVEN
-        DateTimeVisitor dateTimeVisitor = new DateTimeVisitor(TYPE_FACTORY.constructSimpleType(testClass, null));
+        final TypeFactory tf = TypeFactory.createDefaultInstance();
+        DateTimeVisitor dateTimeVisitor = new DateTimeVisitor(tf.constructSimpleType(testClass, null));
         dateTimeVisitor.numberType(givenNumberType);
 
         // WHEN