gradle-training/11-task-class/build.gradle

// Definition of custom task class
class DateTask extends DefaultTask {

    String prefixText = "Today is:"

    @TaskAction
    void printDate() {
        def dateTime = new Date()  
        println "${prefixText} ${dateTime.dateString}"
    }
}

task today(type: DateTask) {
    description "Display date"
}

task verboseToday(type: DateTask) {
    description "Display polite message and date"
    prefixText "I would like to inform you that today is:"
}