Moved over JPA exception translator from Roo

org.springframework.aspects/src/main/java/org/springframework/orm/jpa/aspectj/JpaExceptionTranslatorAspect.aj

@@ -0,0 +1,22 @@
+package org.springframework.orm.jpa.aspectj;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Query;
+
+import org.springframework.dao.DataAccessException;
+import org.springframework.orm.jpa.EntityManagerFactoryUtils;
+
+public aspect JpaExceptionTranslatorAspect {
+    pointcut entityManagerCall(): call(* EntityManager.*(..)) || call(* EntityManagerFactory.*(..)) || call(* EntityTransaction.*(..)) || call(* Query.*(..));
+    
+    after() throwing(RuntimeException re): entityManagerCall() {     
+    	DataAccessException dex = EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(re);
+    	if (dex != null) {
+    		throw dex;
+    	} else {
+    		throw re;
+    	}        
+    }	
+}