in src/main/java/org/apache/maven/shared/mapping/DashClassifierValueSource.java [59:72]
private static Properties createDashClassifierProperties(String classifier) {
Properties classifierMask = new Properties();
if (classifier != null) {
classifierMask.setProperty("dashClassifier?", "-" + classifier);
classifierMask.setProperty("dashClassifier", "-" + classifier);
} else {
classifierMask.setProperty("dashClassifier?", "");
classifierMask.setProperty("dashClassifier", "");
// Make sure that the classifier property is usable, if it is null
classifierMask.setProperty("classifier", "");
}
return classifierMask;
}