in src/main/java/org/apache/maven/plugins/war/WarMojo.java [348:356]
protected static File getTargetFile(File basedir, String finalName, String classifier, String type) {
if (classifier == null) {
classifier = "";
} else if (classifier.trim().length() > 0 && !classifier.startsWith("-")) {
classifier = "-" + classifier;
}
return new File(basedir, finalName + classifier + "." + type);
}