解决某些java版本下反序列化IMResult<Void>失败问题

sdk/src/main/java/cn/wildfirechat/sdk/utilities/AdminHttpUtils.java

@@ -22,7 +22,7 @@ import java.lang.reflect.Type;
 import java.nio.charset.Charset;
 
 
-public class AdminHttpUtils {
+public class AdminHttpUtils extends JsonUtils {
     private static final Logger LOG = LoggerFactory.getLogger(AdminHttpUtils.class);
 
     private static String adminUrl;
@@ -152,17 +152,4 @@ public class AdminHttpUtils {
             }
         }
     }
-
-    private static <T> IMResult<T> fromJsonObject(String content, Class<T> clazz) {
-        Type type = TypeBuilder
-                .newInstance(IMResult.class)
-                .addTypeParam(clazz)
-                .build();
-        return new Gson().fromJson(content, type);
-    }
-
-    private static boolean isNullOrEmpty(String str) {
-        return str == null || str.isEmpty();
-    }
-
 }

sdk/src/main/java/cn/wildfirechat/sdk/utilities/ChannelHttpUtils.java

@@ -21,7 +21,7 @@ import java.lang.reflect.Type;
 import java.nio.charset.Charset;
 
 
-public class ChannelHttpUtils {
+public class ChannelHttpUtils extends JsonUtils {
     private static final Logger LOG = LoggerFactory.getLogger(ChannelHttpUtils.class);
 
     private String imurl;
@@ -103,18 +103,6 @@ public class ChannelHttpUtils {
         }
     }
 
-    private static <T> IMResult<T> fromJsonObject(String content, Class<T> clazz) {
-        Type type = TypeBuilder
-                .newInstance(IMResult.class)
-                .addTypeParam(clazz)
-                .build();
-        return new Gson().fromJson(content, type);
-    }
-
-    private static boolean isNullOrEmpty(String str) {
-        return str == null || str.isEmpty();
-    }
-
     public String getChannelId() {
         return channelId;
     }

sdk/src/main/java/cn/wildfirechat/sdk/utilities/JsonUtils.java

@@ -0,0 +1,20 @@
+package cn.wildfirechat.sdk.utilities;
+
+import cn.wildfirechat.sdk.model.IMResult;
+import com.google.gson.Gson;
+import ikidou.reflect.TypeBuilder;
+
+public class JsonUtils {
+
+    public static <T> IMResult<T> fromJsonObject(String content, Class<T> clazz) {
+        TypeBuilder builder = TypeBuilder.newInstance(IMResult.class);
+        if (!clazz.equals(Void.class)) {
+            builder.addTypeParam(clazz);
+        }
+        return new Gson().fromJson(content, builder.build());
+    }
+
+    public static boolean isNullOrEmpty(String str) {
+        return str == null || str.isEmpty();
+    }
+}

sdk/src/main/java/cn/wildfirechat/sdk/utilities/RobotHttpUtils.java

@@ -22,7 +22,7 @@ import java.lang.reflect.Type;
 import java.nio.charset.Charset;
 
 
-public class RobotHttpUtils {
+public class RobotHttpUtils extends JsonUtils {
     private static final Logger LOG = LoggerFactory.getLogger(RobotHttpUtils.class);
 
     private final String url;
@@ -106,18 +106,6 @@ public class RobotHttpUtils {
         }
     }
 
-    private static <T> IMResult<T> fromJsonObject(String content, Class<T> clazz) {
-        Type type = TypeBuilder
-                .newInstance(IMResult.class)
-                .addTypeParam(clazz)
-                .build();
-        return new Gson().fromJson(content, type);
-    }
-
-    private static boolean isNullOrEmpty(String str) {
-        return str == null || str.isEmpty();
-    }
-
     public String getRobotId() {
         return robotId;
     }