⚡ 优化代码

src/main/java/me/zhyd/oauth/request/AuthLinkedinRequest.java

@@ -4,6 +4,7 @@ import cn.hutool.http.HttpRequest;
 import cn.hutool.http.HttpResponse;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.JSONPath;
 import me.zhyd.oauth.config.AuthConfig;
 import me.zhyd.oauth.config.AuthSource;
 import me.zhyd.oauth.enums.AuthUserGender;
@@ -120,13 +121,8 @@ public class AuthLinkedinRequest extends AuthDefaultRequest {
             .execute();
         JSONObject emailObj = JSONObject.parseObject(emailResponse.body());
         this.checkResponse(emailObj);
-        if (emailObj.containsKey("elements")) {
-            email = emailObj.getJSONArray("elements")
-                .getJSONObject(0)
-                .getJSONObject("handle~")
-                .getString("emailAddress");
-        }
-        return email;
+        Object obj = JSONPath.eval(emailObj, "$['elements'][0]['handle~']['emailAddress']");
+        return null == obj ? null : (String) obj;
     }
 
     private String getUserName(JSONObject userInfoObject, String nameKey) {

src/test/java/me/zhyd/oauth/utils/CustomTest.java

 package me.zhyd.oauth.utils;
 
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.JSONPath;
 import org.junit.Test;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 /**
  * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
  * @version 1.0
@@ -60,4 +69,22 @@ public class CustomTest {
 //        }
         return stackTrace[2].getMethodName();
     }
+
+    @Test
+    public void jsonpath(){
+        List<Map<String, Map<String, Object>>> list = new ArrayList<>();
+
+        Map<String, Map<String, Object>> map = new HashMap<>();
+        Map<String, Object> node = new HashMap<>();
+        node.put("emailAddress", "xxxx");
+        map.put("handle~", node);
+        list.add(map);
+
+
+        Map<String, Object> master = new HashMap<>();
+//        master.put("elements", list);
+        JSONObject emailObj = JSONObject.parseObject(JSON.toJSONString(master));
+        Object object = JSONPath.eval(emailObj, "$['elements'][0]['handle~']['emailAddress']");
+        System.out.println(object);
+    }
 }