/** Returns the mapper to use based on nested elements or the flatten attribute. */
private FileNameMapper getMapper() {
FileNameMapper mapper;
if (mapperElement != null) {
mapper = mapperElement.getImplementation();
} else {
mapper = new IdentityMapper();
}
return mapper;
}
protected void checkConfiguration() {
super.checkConfiguration();
if (mapperElement == null) {
throw new BuildException("no mapper specified", location);
}
if (destDir == null) {
throw new BuildException("no dest attribute specified", location);
}
mapper = mapperElement.getImplementation();
}