support field naming policy

taowen · taowen · commit 8dc6e669f44d · 2017-06-06T13:56:19.000+08:00
diff --git a/src/main/java/com/jsoniter/extra/GsonCompatibilityMode.java b/src/main/java/com/jsoniter/extra/GsonCompatibilityMode.java
@@ -1,5 +1,6 @@
 package com.jsoniter.extra;
 
+import com.google.gson.FieldNamingPolicy;
 import com.google.gson.FieldNamingStrategy;
 import com.google.gson.annotations.Expose;
 import com.google.gson.annotations.SerializedName;
@@ -80,6 +81,11 @@ public Builder setFieldNamingStrategy(FieldNamingStrategy fieldNamingStrategy) {
             return this;
         }
 
+        public Builder setFieldNamingPolicy(FieldNamingPolicy namingConvention) {
+            this.fieldNamingStrategy = namingConvention;
+            return this;
+        }
+
         public GsonCompatibilityMode build() {
             return (GsonCompatibilityMode) super.build();
         }
diff --git a/src/test/java/com/jsoniter/TestGson.java b/src/test/java/com/jsoniter/TestGson.java
@@ -1,5 +1,6 @@
 package com.jsoniter;
 
+import com.google.gson.FieldNamingPolicy;
 import com.google.gson.FieldNamingStrategy;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
@@ -102,4 +103,17 @@ public String translateName(Field f) {
         obj = JsonIterator.deserialize(config, "{\"_field1\":\"hello\"}", TestObject3.class);
         assertEquals("hello", obj.field1);
     }
+
+    public void test_setFieldNamingPolicy() {
+        Gson gson = new GsonBuilder()
+                .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
+                .create();
+        TestObject3 obj = gson.fromJson("{\"Field1\":\"hello\"}", TestObject3.class);
+        assertEquals("hello", obj.field1);
+        GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
+                .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
+                .build();
+        obj = JsonIterator.deserialize(config, "{\"Field1\":\"hello\"}", TestObject3.class);
+        assertEquals("hello", obj.field1);
+    }
 }
diff --git a/src/test/java/com/jsoniter/output/TestGson.java b/src/test/java/com/jsoniter/output/TestGson.java
@@ -1,5 +1,6 @@
 package com.jsoniter.output;
 
+import com.google.gson.FieldNamingPolicy;
 import com.google.gson.FieldNamingStrategy;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
@@ -167,4 +168,19 @@ public String translateName(Field f) {
         output = JsonStream.serialize(config, obj);
         assertEquals("{\"_field1\":\"hello\"}", output);
     }
+
+    public void test_setFieldNamingPolicy() {
+        Gson gson = new GsonBuilder()
+                .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
+                .create();
+        TestObject4 obj = new TestObject4();
+        obj.field1 = "hello";
+        String output = gson.toJson(obj);
+        assertEquals("{\"Field1\":\"hello\"}", output);
+        GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
+                .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
+                .build();
+        output = JsonStream.serialize(config, obj);
+        assertEquals("{\"Field1\":\"hello\"}", output);
+    }
 }
