Remove usage of deprecated jackson property (#391)

Author: manofthepeace

aws-xray-recorder-sdk-aws-sdk-core/src/test/java/com/amazonaws/xray/handlers/config/AWSServiceHandlerManifestTest.java

@@ -18,7 +18,7 @@
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import java.net.URL;
 import java.util.HashSet;
 import org.junit.Assert;
@@ -35,7 +35,7 @@ public class AWSServiceHandlerManifestTest {
         AWSServiceHandlerManifestTest.class.getResource("/com/amazonaws/xray/handlers/config/OperationParameterWhitelist.json");
 
     private ObjectMapper mapper = new ObjectMapper()
-            .setPropertyNamingStrategy(PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES)
+            .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
             .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
             .configure(JsonParser.Feature.ALLOW_COMMENTS, true);
 

aws-xray-recorder-sdk-core/src/main/java/com/amazonaws/xray/entities/EntityImpl.java

@@ -27,7 +27,7 @@
 import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.Module;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import com.fasterxml.jackson.databind.SerializationConfig;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
@@ -59,7 +59,7 @@ public abstract class EntityImpl implements Entity {
     @Deprecated
     protected static final ObjectMapper mapper = new ObjectMapper()
         .configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false)
-        .setPropertyNamingStrategy(PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES)
+        .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
         .setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
 
     private static final Log logger = LogFactory.getLog(EntityImpl.class);

aws-xray-recorder-sdk-core/src/main/java/com/amazonaws/xray/internal/UnsignedXrayClient.java

@@ -28,7 +28,7 @@
 import com.fasterxml.jackson.databind.DeserializationContext;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyName;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 import com.fasterxml.jackson.databind.introspect.Annotated;
 import com.fasterxml.jackson.databind.introspect.AnnotatedMember;
@@ -62,8 +62,7 @@ public class UnsignedXrayClient {
     // Visible for testing
     static final ObjectMapper OBJECT_MAPPER = new ObjectMapper()
             .setSerializationInclusion(Include.NON_EMPTY)
-            // Use deprecated field to support older Jackson versions for now.
-            .setPropertyNamingStrategy(PropertyNamingStrategy.PASCAL_CASE_TO_CAMEL_CASE)
+            .setPropertyNamingStrategy(PropertyNamingStrategies.UPPER_CAMEL_CASE)
             .registerModule(new SimpleModule().addDeserializer(Date.class, new FloatDateDeserializer()))
             .setAnnotationIntrospector(new JacksonAnnotationIntrospector() {
                 @Override

aws-xray-recorder-sdk-core/src/main/java/com/amazonaws/xray/strategy/sampling/LocalizedSamplingStrategy.java

@@ -20,7 +20,7 @@
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import java.io.IOException;
 import java.net.URL;
 import java.util.ArrayList;
@@ -52,7 +52,7 @@ public class LocalizedSamplingStrategy implements SamplingStrategy {
 
     private static final ObjectMapper MAPPER =
         new ObjectMapper()
-            .setPropertyNamingStrategy(PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES)
+            .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
             .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
             .configure(JsonParser.Feature.ALLOW_COMMENTS, true);