commons-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Chris Pratt <thechrispr...@gmail.com>
Subject Re: [BeanUtils] [OGNL] Debugging BeanMap
Date Mon, 14 Nov 2011 17:30:11 GMT
Hmmm, I didn't think about OGNL, that might be an interesting thing to
investigate.  At this point, I just wrote my own version of BeanMap that
does support dot notation, and it seems to be working so far.  Thanks for
your help.
  (*Chris*)
On Nov 12, 2011 12:49 AM, "Maurizio Cucchiara" <mcucchiara@apache.org>
wrote:

> Hi Chris,
> I don't know if BUM allows what you are trying to achieve.
> Would you consider to use OGNL instead?
>
>    @Test
>    public void testOGNL() throws Exception {
>        OgnlRuntime.setNullHandler(Student.class, new StudentNullHandler());
>        Student student = new Student();
>        Map<String, Object> context = Ognl.createDefaultContext(student);
>        Ognl.setValue("id", student, 1);
>        Ognl.setValue("course.name", student, "course name");
>        assertEquals(1, student.getId());
>        assertEquals("course name",student.getCourse().getName());
>    }
>
>    private static class StudentNullHandler implements NullHandler {
>        public Object nullMethodResult(Map<String, Object> context,
> Object target, String methodName, Object[] args) {
>            return null;
>        }
>
>        public Object nullPropertyValue(Map<String, Object> context,
> Object target, Object property) {
>            final Course course = new Course();
>            ((Student)target).setCourse(course);
>            return course;
>        }
>    }
>
>
> Twitter     :http://www.twitter.com/m_cucchiara
> G+          :https://plus.google.com/107903711540963855921
> Linkedin    :http://www.linkedin.com/in/mauriziocucchiara
>
> Maurizio Cucchiara
>
>
>
> On 11 November 2011 19:43, Chris Pratt <thechrispratt@gmail.com> wrote:
> > I simplified my test case and I think I may have found the culprit.  I
> was
> > expecting the BeanMap to handle dot notation properly, but it appears I
> was
> > mistaken.  The following doesn't seem to work:
> >
> >  public static void main (String... args) throws ADKException,
> IOException {
> >    Student student = new Student();
> >    Map studmap = new BeanMap(student);
> >    studmap.put("id",4242);
> >    studmap.put("name.firstname","Chris");
> >    studmap.put("name.lastname","Pratt");
> >    student.dump();
> >  } //main
> >
> >
> > I get an IllegalArgumentException that Student has no property called
> > name.firstname.  Is there any way around this?  BeanMap isn't really
> useful
> > to me if it doesn't support the object hierarchy that a bean engenders?
> >  (*Chris*)
> >
> > On Thu, Nov 10, 2011 at 5:06 PM, Maurizio Cucchiara
> > <mcucchiara@apache.org>wrote:
> >
> >> I'm not sure this is what you are looking for, I'm assuming you are
> >> trying to write into the student bean, I hope this will be useful (it
> >> works on my side):
> >>
> >>    @Test
> >>    public void testBeanMap() throws Exception {
> >>         Student student = new Student();
> >>         BeanMap map = new BeanMap(student);
> >>        assertNotNull(map);
> >>        map.put("id", 1);
> >>        map.put("course", new Course("course name"));
> >>        assertEquals(1, student.getId());
> >>        assertEquals("course name",student.getCourse().getName());
> >>     }
> >>
> >>
> >> Twitter     :http://www.twitter.com/m_cucchiara
> >> G+          :https://plus.google.com/107903711540963855921
> >> Linkedin    :http://www.linkedin.com/in/mauriziocucchiara
> >>
> >> Maurizio Cucchiara
> >>
> >>
> >>
> >> On 11 November 2011 01:51, Chris Pratt <thechrispratt@gmail.com> wrote:
> >> > StringMapAdaptor
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: user-unsubscribe@commons.apache.org
> >> For additional commands, e-mail: user-help@commons.apache.org
> >>
> >>
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@commons.apache.org
> For additional commands, e-mail: user-help@commons.apache.org
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message