Hi jignesh,
jignesh(india) wrote:
Hello,
I have read your conversion here,
I am having a strange problem in my converter.
case 1:-
JSP
<s:textfield name="myDate"/>
classname-conversion.properties
myDate = tutorial.MyTypeConverter
case 2:-
JSP
<s:textfield name="user.myDate"/>
classname-conversion.properties
user.myDate = tutorial.MyTypeConverter
Now the problem here is that if i use case 1 i am successfully able to call
the convertToString(Map arg0, Object arg1) but in case 2 i am not able to
call convertToString(Map arg0, Object arg1).
This is precisely the point I was making in my last email. For your
conversion to work with user.myDate, you need to create a properties
file named User-conversion.properties and locate it in the directory
src/main/resources/org/appfuse/model (assuming your User class is an
org.appfuse.model.User). Then inside that file, you put:
mydate = tutorial.MyTypeConverter
This assumes of course that your "MyTypeConverter" class is in a package
named "tutorial".
Rob Hills wrote:
Hi All,
Well, after much trial and error, I've worked out how to do POJO-level
TypeConverters. the Struts Type
Converter page (see
http://struts.apache.org/2.x/docs/type-conversion.html) unfortunately
leaves out some key
details that make it quite difficult.
1. create the Type Converter class and as described on the Struts site
(see above) and as I outlined
below. The Struts website says in one place that you should extend
org.apache.struts2.util.StrutsTypeConverter and in another that you should
"implement the TypeConverter
interface". I extended StrutsTypeConverter and that worked fine.
2. Create your XXX-conversion.properties file. Its name needs to be the
same as your POJO class name
(not fully-qualified). So, for my example below, I called it
Shift-conversion.properties. The key thing to note is
that this file must end up in the same directory as your POJO's .class
file. So, in Appfuse, put it under your
src/main/resources directory, in a path that matches your class package.
My Shift-conversion.properties file
ended up in src/main/resources/au/com/myapp/model.
3. Inside your XXX-conversion.properties file, define each attribute (or
field, whatever you want to call it)
that you want handled by your converter. The definitions are specified as
follows, one per line:
myAttributeName = fully.qualified.typeconverter.name
so, to continue my example below, I had two fields in my Shift class that
I wanted to be handled by my
TimeTypeConverter class, "startTime" and "endTime". I defined them like
this:
startTime=au.com.myapp.webapp.action.converters.TimeTypeConverter
endTime=au.com.myapp.webapp.action.converters.TimeTypeConverter
And that's all there is to it!
On 24 Oct 2007 at 23:13, Rob Hills wrote:
Hi All,
I'm trying to implement a model.attribute-level TypeConverter but I can't
get it to work. I want to convert between "time" on a form
(hh:mm) and a Date class in my model.
I'm using AppFuse 2.0 + Hibernate + Struts2
I have an "au.com.myapp.model.Shift" class that contains two Date
attributes "startTime" and "endTime". Before I started creating
a converter, I had a data entry form that displayed the startTime and
endTime values as dates in text fields, as you'd expect. If I
put time values in those fields (hh:mm) I get type conversion errors from
the default date type converter, again as expected.
I've followed the Struts documentation here:
http://struts.apache.org/2.x/docs/type-conversion.html
and created:
- au.com.myapp.webapp.action.converters.BaseTypeConverter.java
(Abstract type, extends org.apache.struts2.util.StrutsTypeConverter
and provides base functionality like logging etc.)
- au.com.myapp.webapp.action.converters.TimeTypeConverter.java
(extends au.com.myapp.webapp.action.converters.BaseTypeConverter.java
and implements
convertFromString and convertToString methods (which convert between
the Date object and the time string
representation.
- Shift-conversion.properties (in my src/main/resources directory)
which contains the following two lines:
startTime=au.com.myapp.webapp.action.converters.TimeTypeConverter
endTime=au.com.myapp.webapp.action.converters.TimeTypeConverter
>From my reading, that should be all I need to do. However, when I build
and run my app with this setup, the form's behaviour
doesn't change. Further, I've put logging into the converter class (both
the constructor and the methods) and it appears it's never
called.
Is there some other undocumented thing I need to do, or have I
misunderstood the documentation?
This took me many hours of trial-and-error, so I hope this post will save
someone else the same heartache one
day.
HTH,
Rob Hills
Waikiki, Western Australia
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