private static Object getFieldValue ( final Object classInstance , final Field classField ) { try { return classField . get ( classInstance ) ; } catch ( IllegalArgumentException ex ) { throw new JBBPMapperException ( "Can't set get value from a mapping field" , null , classInstance . getClass ( ) , classField , ex ) ; } catch ( IllegalAccessException ex ) { throw new JBBPMapperException ( "Can't get access to a mapping field" , null , classInstance . getClass ( ) , classField , ex ) ; } }
Get a value of a field from a class instance .