에러 대응을 위해 http status 추가

@@ -63,8 +63,13 @@ public class Api {
                         os.close();
                     }
 
+                    int status = conn.getResponseCode();
+                    Log.d("status", String.valueOf(status));
+                    InputStream is = conn.getErrorStream();
+                    if(is == null)
+                        is = conn.getInputStream();
+
                     StringBuilder builder = new StringBuilder();
-                    InputStream is = conn.getInputStream();
                     BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
                     String line;
                     while((line = reader.readLine()) != null) {
@@ -72,13 +77,12 @@ public class Api {
                     }
 
                     Log.d("http result", builder.toString());
-
                     JsonElement jsonElement = JsonParser.parseString(builder.toString());
 
-                    apiResult = new ApiResult(true, jsonElement);
+                    apiResult = new ApiResult(status < 300, status, jsonElement);
                 } catch (Exception e) {
                     e.printStackTrace();
-                    apiResult = new ApiResult(false, e.getMessage());
+                    apiResult = new ApiResult(false);
                 }
 
                 final ApiResult finalApiResult = apiResult;

 package com.sunnni.smartdoorlock.api;
 
-public class ApiResult {
-    public String getError() {
-        return this.error;
-    }
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 
-    public boolean isError() {
-        return this.error != null;
+public class ApiResult {
+    public boolean isSuccess() {
+        return this.success;
     }
 
     public Object getData() {
         return this.data;
     }
 
-    public void setError(String error) {
-        this.error = error;
+    public int getStatus() {
+        return this.status;
     }
 
-    public void setData(Object data) {
-        this.data = data;
+    public ApiResult(boolean success, int status, JsonElement obj) {
+        this.success = success;
+        this.data = obj;
+        this.status = status;
     }
 
-    public ApiResult(boolean result, Object obj) {
-        if(result) {
-            this.data = obj;
-        } else {
-            this.error = (String) obj;
-        }
+    public ApiResult(boolean success) {
+        this.success = success;
+        this.data = null;
+        this.status = 999;
     }
 
-    private String error;
-    private Object data;
+    private boolean success;
+    private JsonElement data;
+    private int status;
 }