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From David Jencks <david_jen...@yahoo.com>
Subject Re: svn commit: r1238115 - /aries/trunk/proxy/proxy-impl/src/main/java/org/apache/aries/proxy/impl/common/OSGiFriendlyClassWriter.java
Date Tue, 31 Jan 2012 00:49:01 GMT
Would anyone be willing to look this over and make sure I didn't do something stupid?

thanks
david jencks

On Jan 30, 2012, at 4:37 PM, djencks@apache.org wrote:

> Author: djencks
> Date: Tue Jan 31 00:37:39 2012
> New Revision: 1238115
> 
> URL: http://svn.apache.org/viewvc?rev=1238115&view=rev
> Log:
> ARIES-819 fix some small errors in OsgiFriendlyClassWriter
> 
> Modified:
>    aries/trunk/proxy/proxy-impl/src/main/java/org/apache/aries/proxy/impl/common/OSGiFriendlyClassWriter.java
> 
> Modified: aries/trunk/proxy/proxy-impl/src/main/java/org/apache/aries/proxy/impl/common/OSGiFriendlyClassWriter.java
> URL: http://svn.apache.org/viewvc/aries/trunk/proxy/proxy-impl/src/main/java/org/apache/aries/proxy/impl/common/OSGiFriendlyClassWriter.java?rev=1238115&r1=1238114&r2=1238115&view=diff
> ==============================================================================
> --- aries/trunk/proxy/proxy-impl/src/main/java/org/apache/aries/proxy/impl/common/OSGiFriendlyClassWriter.java
(original)
> +++ aries/trunk/proxy/proxy-impl/src/main/java/org/apache/aries/proxy/impl/common/OSGiFriendlyClassWriter.java
Tue Jan 31 00:37:39 2012
> @@ -64,21 +64,22 @@ public final class OSGiFriendlyClassWrit
>    */
>   @Override
>   protected final String getCommonSuperClass(String arg0, String arg1) {
> +    //---------------  see asm ow2 316320 which proposes putting the generic common
cases in ClassWriter.internalGetCommonSuperClass
>     //If the two are equal then return either
>     if(arg0.equals(arg1))
>       return arg0;
> -    
> +
>     //If either is Object, then Object must be the answer
>     if(arg0.equals(OBJECT_INTERNAL_NAME) || arg1.equals(OBJECT_INTERNAL_NAME))
>       return OBJECT_INTERNAL_NAME;
> -    
> +
>     // If either of these class names are the current class then we can short
>     // circuit to the superclass (which we already know)
>     if(arg0.equals(currentClassInternalName))
> -      getCommonSuperClass(currentSuperClassInternalName, arg1);
> +      return getCommonSuperClass(currentSuperClassInternalName, arg1);
>     else if (arg1.equals(currentClassInternalName))
> -      getCommonSuperClass(arg0, currentSuperClassInternalName);
> -    
> +      return getCommonSuperClass(arg0, currentSuperClassInternalName);
> +    //---------------- end asm 316320 proposal
>     Set<String> names = new HashSet<String>();
>     names.add(arg0);
>     names.add(arg1);
> @@ -96,10 +97,14 @@ public final class OSGiFriendlyClassWrit
>           if(is != null) {
>             ClassReader cr = new ClassReader(is);
>             arg00 = cr.getSuperName();
> -            if(arg00 == null)
> -              aRunning = false;
> -            else if(!!!names.add(arg00))
> +            if(arg00 == null) {
> +              if (names.size() == 2) {
> +                return OBJECT_INTERNAL_NAME; //arg0 is an interface
> +              }
> +              aRunning = false; //old arg00 was java.lang.Object
> +            } else if(!!!names.add(arg00)) {
>               return arg00;
> +            }
>           } else {
>             //The class file isn't visible on this ClassLoader
>             unable = arg0;
> @@ -111,10 +116,14 @@ public final class OSGiFriendlyClassWrit
>           if(is != null) {
>             ClassReader cr = new ClassReader(is);
>             arg11 = cr.getSuperName();
> -            if(arg11 == null)
> -              bRunning = false;
> -            else if(!!!names.add(arg11))
> +            if(arg11 == null) {
> +              if (names.size() == 3) {
> +                return OBJECT_INTERNAL_NAME;  //arg1 is an interface
> +              }
> +              bRunning = false; //old arg11 was java.lang.Object
> +            } else if(!!!names.add(arg11)) {
>               return arg11;
> +            }
>           } else {
>             unable = arg1;
>             bRunning = false;
> @@ -132,9 +141,5 @@ public final class OSGiFriendlyClassWrit
>     }
>   }
> 
> -  /**
> -   * We need access to the super's name and our class name
> -   */
> -  
> 
> }
> 
> 


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