"alesj" wrote : &quot;adrian(a)jboss.org&quot; wrote : | | But it's one of those N^2 problems in writing comparators between | | all the different versions, e.g. our own, maven, osgi, java manifest, jdk7 module system, etc. | | | I've taken this approach. | Since I doubt the N will be big. :-) | | Adding VersionComparator: | | | public interface VersionComparator<T extends Version, U extends Version> | | { | | /** | | * Compare the two version impls. | | * | | * @param t T version impl | | * @param u U version impl | | * @return compare the two version impls | | */ | | int compare(T t, U u); | | } | | | and a VersionComparatorRegistry singleton to keep all the known implementations. | | And changing the Version class to delegate the compareTo to the registry: | | | public int compareTo(Version v) | | { | | VersionComparatorRegistry registry = VersionComparatorRegistry.getInstance(); | | return registry.compare(this, v); | | } | | There are a number of issues with this, I'll start a new thread http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124882#... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124883#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...