Roll back JsonSerializationContext and JsonDeserializationContext to their 1.7.2 API.

gson/src/main/java/com/google/gson/Gson.java

@@ -254,8 +254,7 @@ public final class Gson {
       builder.factory(factory);
     }
 
-    builder.factory(new GsonToMiniGsonTypeAdapterFactory(serializers, deserializers,
-        new JsonDeserializationContext(this), new JsonSerializationContext(this), serializeNulls))
+    builder.factory(new GsonToMiniGsonTypeAdapterFactory(this, serializers, deserializers, serializeNulls))
         .factory(TypeAdapters.URL_FACTORY)
         .factory(TypeAdapters.URI_FACTORY)
         .factory(TypeAdapters.UUID_FACTORY)

gson/src/main/java/com/google/gson/GsonToMiniGsonTypeAdapterFactory.java

@@ -32,15 +32,28 @@ final class GsonToMiniGsonTypeAdapterFactory implements TypeAdapter.Factory {
   private final JsonSerializationContext serializationContext;
   private final boolean serializeNulls;
 
-  GsonToMiniGsonTypeAdapterFactory(ParameterizedTypeHandlerMap<JsonSerializer<?>> serializers,
+  public GsonToMiniGsonTypeAdapterFactory(final Gson gson,
+      ParameterizedTypeHandlerMap<JsonSerializer<?>> serializers,
       ParameterizedTypeHandlerMap<JsonDeserializer<?>> deserializers,
-      JsonDeserializationContext deserializationContext,
-      JsonSerializationContext serializationContext, boolean serializeNulls) {
+      boolean serializeNulls) {
     this.serializers = serializers;
     this.deserializers = deserializers;
     this.serializeNulls = serializeNulls;
-    this.deserializationContext = deserializationContext;
-    this.serializationContext = serializationContext;
+
+    this.deserializationContext = new JsonDeserializationContext() {
+      public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException {
+        return gson.fromJson(json, typeOfT);
+      }
+    };
+
+    this.serializationContext = new JsonSerializationContext() {
+      public JsonElement serialize(Object src) {
+        return gson.toJsonTree(src);
+      }
+      public JsonElement serialize(Object src, Type typeOfSrc) {
+        return gson.toJsonTree(src, typeOfSrc);
+      }
+    };
   }
 
   public <T> TypeAdapter<T> create(final MiniGson context, final TypeToken<T> typeToken) {

gson/src/main/java/com/google/gson/JsonDeserializationContext.java

@@ -26,38 +26,19 @@ import java.lang.reflect.Type;
  * @author Inderjeet Singh
  * @author Joel Leitch
  */
-public class JsonDeserializationContext {
-  private final Gson gson;
-
-  JsonDeserializationContext(Gson gson) {
-    this.gson = gson;
-  }
-
-  /**
-   * TODO: remove this from the public API
-   */
-  @Deprecated
-  public <T> T construct(Type type) {
-    throw new UnsupportedOperationException();
-  }
-
-  public Object constructArray(Type type, int length) {
-    throw new UnsupportedOperationException();
-  }
+public interface JsonDeserializationContext {
 
   /**
    * Invokes default deserialization on the specified object. It should never be invoked on
    * the element received as a parameter of the
    * {@link JsonDeserializer#deserialize(JsonElement, Type, JsonDeserializationContext)} method. Doing
    * so will result in an infinite loop since Gson will in-turn call the custom deserializer again.
-
+   *
    * @param json the parse tree.
    * @param typeOfT type of the expected return value.
    * @param <T> The type of the deserialized object.
    * @return An object of type typeOfT.
    * @throws JsonParseException if the parse tree does not contain expected data.
    */
-  public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException {
-    return gson.fromJson(json, typeOfT);
-  }
+  public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException;
 }

gson/src/main/java/com/google/gson/JsonSerializationContext.java

@@ -25,13 +25,7 @@ import java.lang.reflect.Type;
  * @author Inderjeet Singh
  * @author Joel Leitch
  */
-public class JsonSerializationContext {
-
-  private final Gson gson;
-
-  JsonSerializationContext(Gson gson) {
-    this.gson = gson;
-  }
+public interface JsonSerializationContext {
 
   /**
    * Invokes default serialization on the specified object.
@@ -39,9 +33,7 @@ public class JsonSerializationContext {
    * @param src the object that needs to be serialized.
    * @return a tree of {@link JsonElement}s corresponding to the serialized form of {@code src}.
    */
-  public JsonElement serialize(Object src) {
-    return gson.toJsonTree(src);
-  }
+  public JsonElement serialize(Object src);
 
   /**
    * Invokes default serialization on the specified object passing the specific type information.
@@ -53,7 +45,5 @@ public class JsonSerializationContext {
    * @param typeOfSrc the actual genericized type of src object.
    * @return a tree of {@link JsonElement}s corresponding to the serialized form of {@code src}.
    */
-  public JsonElement serialize(Object src, Type typeOfSrc) {
-    return gson.toJsonTree(src, typeOfSrc);
-  }
+  public JsonElement serialize(Object src, Type typeOfSrc);
 }