maven dependency version range

http://maven.apache.org/components/enforcer/enforcer-rules/versionRanges.html

Version Range Specification

The [RequireMavenVersion][1] and [RequireJavaVersion][2] rules use the [standard Maven version range syntax][3]{.externalLink} with one minor change for ease of use (denoted with *):

  Range



  Meaning





  1.0



  x >= 1.0 * The default Maven meaning for 1.0 is everything (,) but with 1.0 recommended. Obviously this doesn't work for enforcing versions here, so it has been redefined as a minimum version.





  (,1.0]



  x <= 1.0





  (,1.0)



  x < 1.0





  [1.0]



  x == 1.0





  [1.0,)



  x >= 1.0





  (1.0,)



  x > 1.0





  (1.0,2.0)



  1.0 < x < 2.0





  [1.0,2.0]



  1.0 <= x <= 2.0





  (,1.0],[1.2,)



  x <= 1.0 or x >= 1.2. Multiple sets are comma-separated





  (,1.1),(1.1,)



  x != 1.1

http://maven.apache.org/components/enforcer/enforcer-rules/requireMavenVersion.html
http://maven.apache.org/components/enforcer/enforcer-rules/requireJavaVersion.html
http://docs.codehaus.org/display/MAVEN/Dependency+Mediation+and+Conflict+Resolution#DependencyMediationandConflictResolution-DependencyVersionRanges