Add support for serving JARDiff-ed Maven artifacts
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         Key: MRM-111
         URL: http://jira.codehaus.org/browse/MRM-111
     Project: Maven Repository Manager
        Type: Improvement

  Components: web application, repository interface  
    Reporter: Cédric Vidal


It would save bandwith, accelerate artifact downloading and enhance the maven 2 
experience to use the same JARDiff algorithm as the one used in the 
JnlpDownloadServlet which is fully documented here:
http://java.sun.com/j2se/1.5.0/docs/guide/javaws/developersguide/downloadservletguide.html

The idea is to download (or upload) the incremental updates to a JAR instead of 
the full JAR.

There is already support for this algorithm in the maven community in the JNLP 
related Maven Webstart Plugin:
http://mojo.codehaus.org/webstart-maven-plugin-parent/webstart-maven-plugin/

For this to work, JARDiff support must be added at least to the MRM Server and 
to the MRM Wagon, but the best would be to add JARDiff support to all maven 
wagons as a standard way of downloading and uploading artifacts.

Cheers


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