From 854bd30f67c28985ca200867404de15334f0936d Mon Sep 17 00:00:00 2001
From: ehlui <86680816+ehlui@users.noreply.github.com>
Date: Thu, 2 Feb 2023 00:03:25 +0100
Subject: [PATCH] Adding a safer way to access to private methods using
 reflections api

---
 .../postgresrepository/PostgresRepository.java   | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/main/java/com/lostsys/sample/hexagonal/infra/outputadapter/postgresrepository/PostgresRepository.java b/src/main/java/com/lostsys/sample/hexagonal/infra/outputadapter/postgresrepository/PostgresRepository.java
index b62f019..d7bfcac 100644
--- a/src/main/java/com/lostsys/sample/hexagonal/infra/outputadapter/postgresrepository/PostgresRepository.java
+++ b/src/main/java/com/lostsys/sample/hexagonal/infra/outputadapter/postgresrepository/PostgresRepository.java
@@ -32,15 +32,15 @@ public <T> T save(T reg) {
         try {
             for ( int i=0; i<entityFields.length; i++ ) {
                 fields[i] = entityFields[i].getName();
-                fieldValues[i] = reg.getClass()
-                    .getMethod( "get"+entityFields[i].getName().substring(0,1).toUpperCase()+entityFields[i].getName().substring(1) )
-                    .invoke( reg );
-            }
-        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
-            | NoSuchMethodException | SecurityException e) {
-            e.printStackTrace();
-            }
 
+                Field fieldElement = reg.getClass().getDeclaredField(fields[i]);
+                fieldElement.setAccessible(true);
+                fieldValues[i] =  fieldElement.get(reg);
+            }
+            } catch (IllegalAccessException | NoSuchFieldException e) {
+                e.printStackTrace();
+        }
+        
         StringBuilder sql = new StringBuilder();
         sql.append("INSERT INTO ")
             .append( reg.getClass().getSimpleName() )