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From Dennis Sosnoski <>
Subject Re: [Axis2] Moving Axis2 code base into JDK 1.5
Date Fri, 29 Feb 2008 00:14:49 GMT
Andreas Veithen wrote:
> ...
> Moving to Java 1.5 doesn't necessarily mean to abandon support for 
> Java 1.4. I am currently working on a project for a company that still 
> uses Java 1.4 (and I think there are lots of them). We needed a 
> library to generate MS Project files, but the only one we could find 
> was from an Open Source project that migrated to Java 1.5 a few 
> releases ago. The code in this library makes use of generics and has a 
> dependency on JAXB 2. What we did was to use retrotranslator 
> ( to translate the library as 
> well as its dependencies (including JAXB 2) back to Java 1.4. The tool 
> operates at bytecode level and supports all Java 5 constructs 
> (generics, enums, annotations, etc.). It also emulates the most 
> important parts of the Java API. We were able to use the library to 
> generate MS Project XML files on a Java 1.4 VM without any problems, 
> meaning that retrotranslator successfully backported the JAXB 2 RI to 
> Java 1.4! There is also a plugin (retrotranslator-maven-plugin) that 
> allows to generate Java 1.4 artifacts during Maven builds. Maybe this 
> could be an option for Axis2?

Sounds like a great idea to me, Andreas. If Retrotranslator can handle 
JAXB 2 RI it should be able to deal with everything used by Axis2 and 
related projects. The features which are not supported should be easily 

  - Dennis

Dennis M. Sosnoski
SOA and Web Services in Java
Axis2 Training and Consulting -
Seattle, WA +1-425-939-0576 - Wellington, NZ +64-4-298-6117

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