PublicRecord 함수 수정, json_encode, json_deocde를 Json로 통합

src/sammo/Json.php

@@ -2,29 +2,38 @@
 namespace sammo;
 
 class Json{
-    public static function encode($value, $pretty = false){
-        if($pretty){
-            $flag = JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT;
+    const PRETTY = 1;
+    const DELETE_NULL = 2;
+    const NO_CACHE = 4;
+
+    public static function encode($value, $flag = 0){
+        $rawFlag = JSON_UNESCAPED_UNICODE;
+        if($flag & static::PRETTY){
+            $rawFlag |= JSON_PRETTY_PRINT;
         }
-        else{
-            $flag = JSON_UNESCAPED_UNICODE;
+        if($flag & static::DELETE_NULL){
+            $value = Util::eraseNullValue($value);
         }
-        return json_encode($value, $flag); 
+        return json_encode($value, $rawFlag); 
+    }
+
+    public static function encodePack($value, $pretty = false){
+
     }
 
     public static function decode($value){
         return json_decode($value, true);
     }
 
-    public static function die($value, $noCache = true, $pretty = false, $die = true){
+    public static function die($value, $flag = NO_CACHE){
         //NOTE: REST 형식에 맞게, ok(), fail()로 쪼개는게 낫지 않을까 생각해봄.
-        if($noCache){
+        if($flag & static::NO_CACHE){
             WebUtil::setHeaderNoCache();
         }
         
         header('Content-Type: application/json');
     
-        echo Json::encode($value, $pretty); 
+        echo Json::encode($value, $flag); 
         if($die){
             die();
         }

src/sammo/WebUtil.php

@@ -28,7 +28,7 @@ class WebUtil{
         $content = trim(file_get_contents("php://input"));
         
         //Attempt to decode the incoming RAW post data from JSON.
-        $decoded = json_decode($content, true);
+        $decoded = Json::decode($content);
         
         
         $jsonError = json_last_error();