Re: Method Name extraction

From:
=?ISO-8859-15?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 09 Sep 2009 21:39:32 -0400
Message-ID:
<4aa858d1$0$279$14726298@news.sunsite.dk>
Wojtek wrote:

Daniel Pitts wrote :

Hmm, were you hoping for something like:

@FillWithMethodName
final String myMethodName = "";


Well yes, actually...

Though I was thinking more like:

@MethodNameExtract(WOJTEK1)
private static final String WOJTEK1 = "";
public String getFoo()
{
 Log.trace(CLASS_NAME,WOJTEK1,"getting Foo");
 return "Foo";
}

So after the (pre) compiler does its thing, the code would look like:

private static final String WOJTEK1 = "getFoo";


Here is an AspectJ example:

public class C1 {
     public void m1() {
         System.out.println(Current.getClznam() + " " +
Current.getMthnam());
         C2 o = new C2();
         o.m2();
     }
     public static void main(String[] args) {
         C1 o = new C1();
         o.m1();
     }
}

public class C2 {
     public void m2() {
         System.out.println(Current.getClznam() + " " +
Current.getMthnam());
     }
}

import org.aspectj.lang.*;
import org.aspectj.lang.annotation.*;

@Aspect
public class Current {
     private static String clznam;
     private static String mthnam;
     @Pointcut("call(public * *.*(..)) && !within(Current) &&
!call(public * Current.*(..)) && !call(public * java.lang.*.*(..))")
     public void allcalls() { };
     @Before("allcalls()")
     public void beforeCall(JoinPoint thisJoinPoint) {
         clznam = thisJoinPoint.getSignature().getDeclaringTypeName();
         mthnam = thisJoinPoint.getSignature().getName();
     }
     public static String getClznam() {
         return clznam;
     }
     public static String getMthnam() {
         return mthnam;
     }
}

Absolutely not good OOP code, but it shows some of the
capabilities.

Arne

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