Common rules

CommonRules.java

import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.methods;
import java.util.Arrays;
import com.tngtech.archunit.lang.ArchRule;

class CommonRules {

    static ArchRule methodsShouldBePublicRule(String... packageNames) {
        return methods()
            .that().areDeclaredInClassesThat()
            .resideInAnyPackage(packageNames)
            .should().bePublic()
            .because("Public methods are only allowed in " + Arrays.toString(packageNames));
    }
}