environment.gradle

task setUpEnvironmentConfiguration {

        apply plugin: 'java'

        def availableEnvironments = ['local', 'buildserver', 'default']
        def environment = project.hasProperty('environment') ? environment : 'default'

        if (!availableEnvironments.contains(environment)) {
            def message = "Target environment '${environment}' not allowed. Please use one of the following: " +
                    availableEnvironments.join(", ")
            throw new TaskExecutionException(setUpEnvironmentConfiguration, new ResourceException(message))
        }

        println "***"
        println "Target environment used: '${environment}'"
        println "***"

}