[Refactor] Move full property fetching to AuditProvider.

This should come in handy when implementing @CreatedBy, as it follows the
same logic as @Modified(On|By).

Signed-off-by: Juri Berlanda <juriberlanda@hotmail.com>
diff --git a/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/AuditProvider.java b/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/AuditProvider.java
index b549c9b..776a505 100644
--- a/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/AuditProvider.java
+++ b/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/AuditProvider.java
@@ -18,9 +18,15 @@
  */
 package org.apache.deltaspike.data.impl.audit;
 
+import java.lang.annotation.Annotation;
+import java.util.LinkedList;
+import java.util.List;
 import java.util.logging.Logger;
 
 import org.apache.deltaspike.data.impl.property.Property;
+import org.apache.deltaspike.data.impl.property.query.AnnotatedPropertyCriteria;
+import org.apache.deltaspike.data.impl.property.query.PropertyQueries;
+import org.apache.deltaspike.data.impl.property.query.PropertyQuery;
 
 abstract class AuditProvider implements PrePersistAuditListener, PreUpdateAuditListener
 {
@@ -32,4 +38,22 @@
         return entity.getClass().getSimpleName() + "." + property.getName();
     }
 
+    List<Property<Object>> getProperties(
+            Object entity,
+            Class<? extends Annotation> createdAnnotation,
+            Class<? extends Annotation> modifiedAnnotation,
+            boolean create)
+    {
+        List<Property<Object>> properties = new LinkedList<>();
+        PropertyQuery<Object> query = PropertyQueries.createQuery(entity.getClass())
+                .addCriteria(new AnnotatedPropertyCriteria(modifiedAnnotation));
+        properties.addAll(query.getWritableResultList());
+        if (create)
+        {
+            query = PropertyQueries.<Object> createQuery(entity.getClass())
+                    .addCriteria(new AnnotatedPropertyCriteria(createdAnnotation));
+            properties.addAll(query.getWritableResultList());
+        }
+        return properties;
+    }
 }
diff --git a/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/TimestampsProvider.java b/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/TimestampsProvider.java
index aeb5104..46e9dda 100644
--- a/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/TimestampsProvider.java
+++ b/deltaspike/modules/data/impl/src/main/java/org/apache/deltaspike/data/impl/audit/TimestampsProvider.java
@@ -20,16 +20,11 @@
 
 import java.util.Calendar;
 import java.util.Date;
-import java.util.LinkedList;
-import java.util.List;
 import java.util.logging.Level;
 
 import org.apache.deltaspike.data.api.audit.CreatedOn;
 import org.apache.deltaspike.data.api.audit.ModifiedOn;
 import org.apache.deltaspike.data.impl.property.Property;
-import org.apache.deltaspike.data.impl.property.query.AnnotatedPropertyCriteria;
-import org.apache.deltaspike.data.impl.property.query.PropertyQueries;
-import org.apache.deltaspike.data.impl.property.query.PropertyQuery;
 
 /**
  * Set timestamps on marked properties.
@@ -52,17 +47,7 @@
     private void updateTimestamps(Object entity, boolean create)
     {
         long systime = System.currentTimeMillis();
-        List<Property<Object>> properties = new LinkedList<Property<Object>>();
-        PropertyQuery<Object> query = PropertyQueries.<Object> createQuery(entity.getClass())
-                .addCriteria(new AnnotatedPropertyCriteria(ModifiedOn.class));
-        properties.addAll(query.getWritableResultList());
-        if (create)
-        {
-            query = PropertyQueries.<Object> createQuery(entity.getClass())
-                    .addCriteria(new AnnotatedPropertyCriteria(CreatedOn.class));
-            properties.addAll(query.getWritableResultList());
-        }
-        for (Property<Object> property : properties)
+        for (Property<Object> property : getProperties(entity, CreatedOn.class, ModifiedOn.class, create))
         {
             setProperty(entity, property, systime, create);
         }