feat:完善游戏房状态维护

library/src/main/java/com/chwl/library/utils/json/JsonUtils.java

@@ -7,16 +7,37 @@ import com.google.gson.Gson;
  */
 public class JsonUtils {
 
-    public static Gson gson;
+    private static Gson gson;
 
-    public static String toJson(Object object) {
+    public static Gson getGson() {
         if (gson == null) {
             gson = new Gson();
         }
+        return gson;
+    }
+
+    /**
+     * 解析json
+     *
+     * @return 如果解析出错，则返回空对象
+     */
+    public static <T> T fromJson(final String json, final Class<T> type) {
+        try {
+            if (json == null || type == null) {
+                return null;
+            }
+            return getGson().fromJson(json, type);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public static String toJson(Object object) {
         String result = null;
         try {
             if (object != null) {
-                result = gson.toJson(object);
+                result = getGson().toJson(object);
             }
         } catch (Exception ex) {
             ex.printStackTrace();