public int compareTo(final FileDetails o) {
if (o == null) {
throw new NullPointerException();
}
// N.B. this is in reverse order to how we'd normally compare
int result = o.getFile().compareTo(this.file);
if (result == 0) {
result = ObjectUtils.nullSafeComparison(o.getLastModified(), this.lastModified);
}
return result;
}
@Override
public int hashCode() {
return 7 * this.file.hashCode() * ObjectUtils.nullSafeHashCode(lastModified);
}