in apache-rat-core/src/main/java/org/apache/rat/annotation/AbstractLicenseAppender.java [356:367]
protected int getType(File document) {
String path = document.getPath();
int lastDot = path.lastIndexOf(DOT);
if (lastDot >= 0 && lastDot < path.length() - 1) {
String ext = path.substring(lastDot + 1);
Integer type = EXT2TYPE.get(ext);
if (type != null) {
return type;
}
}
return TYPE_UNKNOWN;
}