规范package，为发布到maven central repository做准备

src/main/java/me/chanjar/weixin/util/json/WxMenuGsonAdapter.java

@@ -0,0 +1,94 @@
+/*
+ * KINGSTAR MEDIA SOLUTIONS Co.,LTD. Copyright c 2005-2013. All rights reserved.
+ *
+ * This source code is the property of KINGSTAR MEDIA SOLUTIONS LTD. It is intended
+ * only for the use of KINGSTAR MEDIA application development. Reengineering, reproduction
+ * arose from modification of the original source, or other redistribution of this source
+ * is not permitted without written permission of the KINGSTAR MEDIA SOLUTIONS LTD.
+ */
+package me.chanjar.weixin.util.json;
+
+import java.lang.reflect.Type;
+
+import me.chanjar.weixin.bean.WxMenu;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParseException;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+/**
+ * 
+ * @author qianjia
+ *
+ */
+public class WxMenuGsonAdapter implements JsonSerializer<WxMenu>, JsonDeserializer<WxMenu> {
+
+  public JsonElement serialize(WxMenu menu, Type typeOfSrc, JsonSerializationContext context) {
+    JsonObject json = new JsonObject();
+
+    JsonArray buttonArray = new JsonArray();
+    for (WxMenu.WxMenuButton button : menu.getButton()) {
+      JsonObject buttonJson = convertToJson(button);
+      buttonArray.add(buttonJson);
+    }
+    json.add("button", buttonArray);
+    
+    return json;
+  }
+
+  protected JsonObject convertToJson(WxMenu.WxMenuButton button) {
+    JsonObject buttonJson = new JsonObject();
+    buttonJson.addProperty("type", button.getType());
+    buttonJson.addProperty("name", button.getName());
+    buttonJson.addProperty("key", button.getKey());
+    buttonJson.addProperty("url", button.getUrl());
+    if (button.getSub_button() != null && button.getSub_button().size() > 0) {
+      JsonArray buttonArray = new JsonArray();
+      for (WxMenu.WxMenuButton sub_button : button.getSub_button()) {
+        buttonArray.add(convertToJson(sub_button));
+      }
+      buttonJson.add("sub_button", buttonArray);
+    }
+    return buttonJson;
+  }
+
+  public WxMenu deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+    /*
+     * 操蛋的微信
+     * 创建菜单时是 { button : ... }
+     * 查询菜单时是 { menu : { button : ... } }
+     */
+    WxMenu menu = new WxMenu();
+    JsonObject menuJson = json.getAsJsonObject().get("menu").getAsJsonObject();
+    JsonArray buttonsJson = menuJson.get("button").getAsJsonArray();
+    for (int i = 0; i < buttonsJson.size(); i++) {
+      JsonObject buttonJson = buttonsJson.get(i).getAsJsonObject();
+      WxMenu.WxMenuButton button = convertFromJson(buttonJson);
+      menu.getButton().add(button);
+      if (buttonJson.get("sub_button") == null || buttonJson.get("sub_button").isJsonNull()) {
+        continue;
+      }
+      JsonArray sub_buttonsJson = buttonJson.get("sub_button").getAsJsonArray();
+      for (int j = 0; j < sub_buttonsJson.size(); j++) {
+        JsonObject sub_buttonJson = sub_buttonsJson.get(j).getAsJsonObject();
+        button.getSub_button().add(convertFromJson(sub_buttonJson));
+      }
+    }
+    return menu;
+  }
+  
+  protected WxMenu.WxMenuButton convertFromJson(JsonObject json) {
+    WxMenu.WxMenuButton button = new WxMenu.WxMenuButton();
+    button.setName(GsonHelper.getString(json, "name"));
+    button.setKey(GsonHelper.getString(json, "key"));
+    button.setUrl(GsonHelper.getString(json, "url"));
+    button.setType(GsonHelper.getString(json, "type"));
+    return button;
+  }
+
+}