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Re: [aspectj-users] String Trimming anyone???
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#: Ron DiFrango changed the world a bit at a time by saying on 9/15/2005 10:27 PM :#
All,
I am working with a database [DB2] where the fields are padded with spaces and I want to strip them on when I set the values in my DTO. So I created the following aspect:
privileged aspect CaptureStringSets {
before(String val): set(* dto..*.*) && args(val) {
System.out.println("Before[" + val + "]");
val = val.trim();
System.out.println("After[" + val + "]");
}
}
Test Program:
public class TestDBUtils {
public static void main(String[] args) {
// TODO Auto-generated method stub
ApproveHeaderTO to = new ApproveHeaderTO();
to.setVendorName("Ron's Aspect Company ");
System.out.println("{" + to.getVendorName() + "}");
}
}
It properly captrues the join points, but the output is as follows:
Before[Ron's Aspect Company ]
After[Ron's Aspect Company]
{Ron's Aspect Company }
I am wondering why the change to the String is not taking affect, it is like a pass by value/reference thing, but I am not sure why. Anyone else create such a monster?
BTW I thnk this would be a good re-usable aspect if we can get it working.
Ron
Not sure why this is may happen, but try watching if the same string instance is manipulated (print
some hashCode()).
:alex |.::the_mindstorm::.|
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