I've got the pragprog stripes book, and have started creating a webapp
with stripes. I'm confused about something though.
Say I've got a simple model object like:
public class User {
long id;
String email;
String password;
/* getters, setters, hashCode, equals, toString, etc */
}
And a UserForm actionbean:
public class UserForm extends BaseActionBean {
public User user;
/* standard getter/setter for the user field */
@DefaultHandler
public Resolution form() {
return new ForwardResolution("path/to/user_form.jsp");
}
public void save() {
User user = getUser();
dao.save(user);
return new RedirectResolution(UserList.class);
}
}
And a user_form,jsp page:
<s:form beanclass="some.action.UserForm">
<div><s:hidden name="user.id" /></div>
<table class="form">
<tr>
<td>email</td>
<td><s:text name="user.email" /></td>
</tr>
<tr>
<td> </td>
<td>
<s:submit name="save" value="save" />
</td>
</tr>
</table>
</s:form>
And a standard, id-based TypeConverter and Formatter for the User class.
Whew, ok, that's the setup. Notice that in user_form.jsp, I DON'T
have a <s:text name="user.password" /> field. I don't want one, nor
do I want to put the password in a <s:hidden name="user.password" />
field. Another use case, say there's an object with 25 fields, and I
specifically want to modify 3 of them; I don't want to write out 22
hidden fields. When I load the user_form.jsp with ?user=29, the email
address textfield and the hidden field are filled in properly, thanks
to the typeconverter. When I submit, the User user = getUser(); line
in the save() event return a user with a null password field (which
then NPE's the dao attempting to save the object, which is another
issue). I want that password field to be whatever is currently in the
DB, and simply overwrite the fields that are posted from the form.
So how do I do this? Or is this not the Right Way to be doing things
(I don't want to use Stripersist yet)?
Cheers,
Eric
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