Enforcer is a maven build rule execution framework. maven enforcer plugin provides goals to control certain environmental constraints such as maven version, jdk version and os family along with many more standard rules:
* alwayspass - always passes... used to test plugin configuration.
* alwaysfail - always fail... used to test plugin configuration.
* banneddependencies - enforces that excluded dependencies aren't included.
* evaluatebeanshell - evaluates a beanshell script.
* requirereleasedeps - enforces that no snapshots are included as
dependencies.
* requirereleaseversion - enforces that the artifact is not a snapshot.
* requiremavenversion - enforces the maven version.
* requirejavaversion - enforces the jdk version.
* requireos - enforces the os / cpu archictecture.
* requirepluginversions - enforces that all plugins have a specified version.
* requireproperty - enforces the existence and values of properties.
* requirefilesdontexist - enforces that the list of files do not exist.
* requirefilesexist - enforces that the list of files do exist.
* requirefilessize - enforces that the list of files exist and are within a
certain size range.
custom rules are easy to make with the maven-enforcer-rule-api.