--- /dev/null
+/*
+ * Copyright (C) 2009 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.gson;
+
+/**
+ * Defines the expected format for a {@code long} or {@code Long} type when its serialized.
+ *
+ * @since 1.3
+ *
+ * @author Inderjeet Singh
+ * @author Joel Leitch
+ */
+public enum LongSerializationPolicy {
+ /**
+ * This is the "default" serialization policy that will output a {@code long} object as a JSON
+ * number. For example, assume an object has a long field named "f" then the serialized output
+ * would be:
+ * {@code {"f":123}}.
+ */
+ DEFAULT() {
+ public JsonElement serialize(Long value) {
+ return new JsonPrimitive(value);
+ }
+ },
+
+ /**
+ * Serializes a long value as a quoted string. For example, assume an object has a long field
+ * named "f" then the serialized output would be:
+ * {@code {"f":"123"}}.
+ */
+ STRING() {
+ public JsonElement serialize(Long value) {
+ return new JsonPrimitive(String.valueOf(value));
+ }
+ };
+
+ /**
+ * Serialize this {@code value} using this serialization policy.
+ *
+ * @param value the long value to be serialized into a {@link JsonElement}
+ * @return the serialized version of {@code value}
+ */
+ public abstract JsonElement serialize(Long value);
+}