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Can maven handle custom qualifiers?

I'm trying to figure out if what Maven's policy is on custom qualifiers. I know that there exists specific qualifiers in Version strings that maven checks for, such as:

1.0.0-SNAPSHOT

5.3.0-beta-5

etc, but I was wondering if I could write specific rules or something that could handle custom qualifiers, such as:

1.0.0-mybranch

5.3.0-myotherbranch

or how maven would deal with such version strings. I've tried them out and things seem to be ok, I'm just wondering if Maven has some 开发者_如何转开发custom logic that could be used.

Thanks!


These examples will work fine.

Qualifiers have no special meaning other than:

  • SNAPSHOT, which gets transformed into the correct timestamp / build number
  • solely numerical values, which are actually a build number instead of a qualifier (and considered newer than the corresponding base version)

All qualifiers are considered to be older than the associated release, i.e. 1.2-beta-1 < 1.2

Comparison of qualifiers is done as a string comparison. This behaviour can differ in Maven 2.x and Maven 3.x (in the former, 1.0-beta-10 < 1.0-beta-5, in the latter it behaves in the reverse as you'd expect).


The 2011 answer is now obsolete in many important details. See the Javadoc on https://maven.apache.org/ref/3.3.9/maven-artifact/apidocs/org/apache/maven/artifact/versioning/ComparableVersion.html and the Wiki link there for the current version processing logic.

c.f. How does maven sort version numbers? for commentary on the Javadoc for ComparableVersion.

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