It is not easy to weave the classes in JDK and it may not be legal.
With a quick search I can only find
http://aspectj.2085585.n4.nabble.com/IDT-in-JDK-classes-How-to-enable-java-weaving-tc2086437.html#none.
Please check list archives and docs for details.
On Thu, Jun 7, 2012 at 11:53 PM, MattOng <on...@yahoo.com> wrote:
> public final class MyString{}
>
> public privileged aspect StringRedef{
> private interface Redef{}
>
> // allowed *even* if MyString is *final*.
> declare parents: (MyString) implements Redef;
> *// NOT allowed even String is also final.*
> declare parents: (java.lang.String) implements Redef;
>
> public String Redef.ltrim(){
> return "#LTRIMED";
> }
> }
>
> public class StringRedefUser
> {
> public static void main(String[] args)
> {
> String string="ABCDEFG";
> MyString mystring=new MyString();
> // This is allowed and has no compilation error.
> System.out.println("LTRIM:"+mystring.ltrim());
> // This is NOT allowed because it is not expose to weaving.
> System.out.println("LTRIM:"+string.ltrim());
> }
> }
> ======================================
>
> How to expose java.lang/javax.lang or any classes to weaving?
>
>
>
> --
> View this message in context:
> http://aspectj.2085585.n4.nabble.com/How-to-add-methods-to-java-lang-String-tp4650376p4650378.html
> Sent from the AspectJ - users mailing list archive at Nabble.com.
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