Minor clean up for #195

Author: cowtowncoder

avro/src/main/java/com/fasterxml/jackson/dataformat/avro/deser/AvroReaderFactory.java

@@ -4,7 +4,6 @@
 
 import org.apache.avro.Schema;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.dataformat.avro.deser.ScalarDecoder.*;
 import com.fasterxml.jackson.dataformat.avro.schema.AvroSchemaHelper;
 
@@ -22,7 +21,6 @@ public abstract class AvroReaderFactory
     protected final static ScalarDecoder READER_LONG = new LongReader();
     protected final static ScalarDecoder READER_NULL = new NullReader();
     protected final static ScalarDecoder READER_STRING = new StringReader();
-    private final static ObjectMapper DEFAULT_MAPPER = new ObjectMapper();
 
     /**
      * To resolve cyclic types, need to keep track of resolved named
@@ -345,7 +343,7 @@ protected AvroStructureReader createRecordReader(Schema writerSchema, Schema rea
             if (!defaultFields.isEmpty()) {
                 for (Schema.Field defaultField : defaultFields) {
                     AvroFieldReader fr = AvroFieldDefaulters.createDefaulter(defaultField.name(),
-                                                                             AvroSchemaHelper.parseDefaultValue(defaultField.defaultVal())
+                            AvroSchemaHelper.objectToJsonNode(defaultField.defaultVal())
                     );
                     if (fr == null) {
                         throw new IllegalArgumentException("Unsupported default type: "+defaultField.schema().getType());

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

@@ -25,6 +25,8 @@ public abstract class AvroSchemaHelper
 {
     /**
      * Dedicated mapper for handling default values (String <-> JsonNode <-> Object)
+     *
+     * @since 2.11
      */
     private static final ObjectMapper DEFAULT_VALUE_MAPPER = new ObjectMapper();
 
@@ -341,7 +343,9 @@ public static String getFullName(Schema schema) {
                 return namespace + name;
             }
             StringBuilder sb = new StringBuilder(1 + namespace.length() + name.length());
-            // Check if this is a nested class
+            // 28-Feb-2020: [dataformats-binary#195] somewhat complicated logic of trying
+            //     to support differences between avro-lib 1.8 and 1.9...
+            //     Check if this is a nested class
             String nestedClassName = sb.append(namespace).append('$').append(name).toString();
             try {
                 Class.forName(nestedClassName);
@@ -356,11 +360,17 @@ public static String getFullName(Schema schema) {
         }
     }
 
-    public static JsonNode parseDefaultValue(Object defaultValue) {
+    /**
+     * @since 2.11
+     */
+    public static JsonNode objectToJsonNode(Object defaultValue) {
         return DEFAULT_VALUE_MAPPER.convertValue(defaultValue, JsonNode.class);
     }
 
-    public static Object convertDefaultValueToObject(JsonNode defaultJsonValue) {
+    /**
+     * @since 2.11
+     */
+    public static Object jsonNodeToObject(JsonNode defaultJsonValue) {
         return DEFAULT_VALUE_MAPPER.convertValue(defaultJsonValue, Object.class);
     }
 
@@ -370,6 +380,8 @@ public static Object convertDefaultValueToObject(JsonNode defaultJsonValue) {
      * @param defaultValue The default value to parse, in the form of a JSON string
      * @return a parsed JSON representation of the default value
      * @throws JsonMappingException If {@code defaultValue} is not valid JSON
+     *
+     * @since 2.11
      */
     public static JsonNode parseDefaultValue(String defaultValue) throws JsonMappingException {
         if (defaultValue == null) {
@@ -378,6 +390,9 @@ public static JsonNode parseDefaultValue(String defaultValue) throws JsonMapping
         try {
             return DEFAULT_VALUE_MAPPER.readTree(defaultValue);
         } catch (JsonProcessingException e) {
+            if (e instanceof JsonMappingException) {
+                throw (JsonMappingException) e;
+            }
             throw new JsonMappingException(null, "Failed to parse default value", e);
         }
     }

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

@@ -186,7 +186,7 @@ protected Schema.Field schemaFieldForWriter(BeanProperty prop, boolean optional)
         JsonNode defaultValue = AvroSchemaHelper.parseDefaultValue(prop.getMetadata().getDefaultValue());
         writerSchema = reorderUnionToMatchDefaultType(writerSchema, defaultValue);
         Schema.Field field = new Schema.Field(prop.getName(), writerSchema, prop.getMetadata().getDescription(),
-                AvroSchemaHelper.convertDefaultValueToObject(defaultValue));
+                AvroSchemaHelper.jsonNodeToObject(defaultValue));
 
         AvroMeta meta = prop.getAnnotation(AvroMeta.class);
         if (meta != null) {

release-notes/VERSION-2.x

@@ -15,6 +15,8 @@ Project: jackson-datatypes-binaryModules:
 #192: (ion) Allow `IonObjectMapper` with class name annotation introspector to deserialize
   generic subtypes
  (reported, fix provided by Binh T)
+#195: Remove dependencies upon Jackson 1.X and Avro's JacksonUtils
+ (contributed by Bryan H)
 - `AvroGenerator` overrides `getOutputContext()` properly
 
 2.10.2 (05-Jan-2020)