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?
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