/**
* Return true if @recording's destination already exists or is a duplicate of another queued
* recording
*/
private boolean destinationExistsOrIsDuplicate(Recording recording) {
if (Files.exists(recording.getDestination())) {
return true;
}
for (Recording earlierRecording : recordings) {
if (earlierRecording == recording) {
break;
} else {
if (recording.getDestination().equals(earlierRecording.getDestination())) {
return true;
}
}
}
return false;
}
public static List<Recording> getRecordingsWithDuplicateDestination(List<Recording> recordings) {
Set<Path> seen = new HashSet<>();
Set<Path> duplicatePaths = new HashSet<>();
for (Recording recording : recordings) {
Path destination = recording.getDestination();
if (seen.contains(destination)) {
duplicatePaths.add(destination);
} else {
seen.add(destination);
}
}
return recordings
.stream()
.filter(recording -> duplicatePaths.contains(recording.getDestination()))
.collect(Collectors.toList());
}