add robot callback api

common/src/main/java/cn/wildfirechat/common/APIPath.java

@@ -76,6 +76,10 @@ public interface APIPath {
 
     String Robot_User_Info = "/robot/user_info";
     String Robot_Message_Send = "/robot/message/send";
+
+    String Robot_Set_Callback = "/robot/set_callback";
+    String Robot_Delete_Callback = "/robot/delete_callback";
+
     String Robot_Verify_Application_User = "/robot/user/verify";
 
     String Robot_Group_Member_Add = "/robot/group/member/add";

common/src/main/java/cn/wildfirechat/pojos/RobotCallbackPojo.java

@@ -0,0 +1,21 @@
+/*
+ * This file is part of the Wildfire Chat package.
+ * (c) Heavyrain2012 <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+package cn.wildfirechat.pojos;
+
+public class RobotCallbackPojo {
+    private String url;
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+}

sdk/src/main/java/cn/wildfirechat/sdk/RobotService.java

@@ -36,6 +36,18 @@ public class RobotService {
         return RobotHttpUtils.httpJsonPost(path, getUserInfo, InputOutputUserInfo.class);
     }
 
+    public static IMResult<Void> setCallback(String url) throws Exception {
+        String path = APIPath.Robot_Set_Callback;
+        RobotCallbackPojo pojo = new RobotCallbackPojo();
+        pojo.setUrl(url);
+        return RobotHttpUtils.httpJsonPost(path, pojo, Void.class);
+    }
+    
+    public static IMResult<RobotCallbackPojo> getCallback() throws Exception {
+        String path = APIPath.Robot_Set_Callback;
+        return RobotHttpUtils.httpJsonPost(path, null, RobotCallbackPojo.class);
+    }
+
     public static IMResult<OutputCreateGroupResult> createGroup(PojoGroupInfo group_info, List<PojoGroupMember> members, List<Integer> to_lines, MessagePayload  notify_message) throws Exception {
         String path = APIPath.Robot_Create_Group;
         PojoGroup pojoGroup = new PojoGroup();