Traverser.groovy

new File('.').eachFileRecurse(groovy.io.FileType.FILES) {
    if (it.name.endsWith(".java")) {
        def hits = it.text =~ /\/\/\s*DROP\s*\[\s*(.*)\s*\]\n/
        hits.each { match, key ->
            def dropConditionForAGivenKey = dropConditions[(key)]
            if (!dropConditionForAGivenKey) {
                println("<!> Cannot find drop conditions for key '$key'")
                return
            }
            try {
                def canBeDropped = dropConditionForAGivenKey()
                if (canBeDropped) {
                    println "--- Drop condition for key '$key' is satisfied. Time to cleanup $it.name"
                }
            } catch (IOException ioException) {
                println("<!> Cannot evaluate drop condition for key '$key' due to: $ioException")
            }
        }
    }

}