public static void addNewUser(String id, String name) throws Exception {
if (id == null || name == null) return;
id = id.trim();
name = name.trim();
if (id.isEmpty() || name.isEmpty() || id.contains(" ")) {
printError(
"Incorect ID or Name. User ID and name cannot be empty and ID cannot contain whitespace.");
return;
}
boolean added = false;
added = control.addUser(id, name);
if (added) System.out.println("created user " + id + " with name " + name);
else {
User temp = control.login(id);
System.out.println("user " + id + " already exists with name " + temp.getFullName());
control.logout();
}
}
public static void goToUserMode(String ID) {
ID = ID.trim();
if (ID.contains(" ")) {
printError("ID cannot contain spaces.");
return;
}
User user = control.login(ID);
if (user != null) {
commandReader = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String line = null;
try {
line = commandReader.readLine();
} catch (IOException e) {
printError("Could Not Read Input Line");
continue;
}
if (line == null) {
printError("Could Not Read Input Line");
continue;
} else if (line.isEmpty()) {
printError("Command Sould Not Be Empty");
continue;
}
tokenizer = new StringTokenizer(line, " "); // break up input line based on spaces
String command = new String();
if (tokenizer.hasMoreTokens()) {
command = tokenizer.nextToken();
} else {
printError("Could Not Read the Command");
continue;
}
if (command.compareTo("createAlbum") == 0) // works
{
boolean created = false;
String albumName = new String();
try {
String tmp = tokenizer.nextToken("\""); // skip space
if (tmp.compareTo(" ") != 0) // if the token was not space print error
throw new NoSuchElementException();
String tmp2 =
tokenizer.nextToken(
"\0"); // read the rest of the token(prevents from reading after double quotes)
if (!tmp2.endsWith("\"")) // check if it ends with quote
throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2); // to read stuff before quote
albumName = tokenizer.nextToken("\""); // read the album name
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -createAlbum \"<albumName>\"");
continue;
}
if (albumName == null) {
printError("Could Not Create Album");
continue;
}
albumName = albumName.trim();
if (albumName.isEmpty()) {
printError("Album name cannot be empty.");
continue;
}
created = control.createAlbum(albumName);
if (created) {
System.out.println("created album for user " + user.getID() + ":");
System.out.println(albumName);
} else {
System.out.println("album exists for user " + user.getID() + ":");
System.out.println(albumName);
}
} else if (command.compareTo("deleteAlbum") == 0) // works
{
boolean deleted = false;
String albumName = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
albumName = tokenizer.nextToken("\"");
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -deleteAlbum \"<albumName>\"");
continue;
}
if (albumName == null) {
printError("Could Not Delete Album");
continue;
}
albumName = albumName.trim();
if (albumName.isEmpty()) {
printError("Album Name Cannot be Empty.");
continue;
}
deleted = control.deleteAlbum(albumName);
if (deleted) {
System.out.println("deleted album from user " + user.getID() + ":");
System.out.println(albumName);
} else {
System.out.println("album does not exist for user " + user.getID() + ":");
System.out.println(albumName);
}
} else if (command.compareTo("listAlbums") == 0) // works
{
if (tokenizer.hasMoreTokens()) {
printError("Correct Format -listAlbums");
continue;
}
List<Album> userAlbums = new ArrayList<Album>();
userAlbums = control.listAlbums();
if (userAlbums == null) {
printError("Could not retrieve the list of albums");
continue;
}
if (userAlbums.isEmpty()) {
System.out.println("No albums exist for user " + user.getID());
} else {
System.out.println("Albums for user " + user.getID());
for (int i = 0;
i < userAlbums.size();
i++) { // control needs methods for getting start and end dates of an album and
// number of photos in it
int numOfPhotos = userAlbums.get(i).getPhotos().size();
System.out.print(userAlbums.get(i).getName() + " number of photos: " + numOfPhotos);
if (numOfPhotos != 0) {
System.out.print(", " + control.getStartAndEndDate(userAlbums.get(i)));
}
System.out.println();
}
}
} else if (command.compareTo("listPhotos") == 0) {
String albumName = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
albumName = tokenizer.nextToken("\"");
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -listPhotos \"<albumName>\"");
continue;
}
if (albumName == null) {
printError("Could Not List Photos.");
continue;
}
albumName = albumName.trim();
if (albumName.isEmpty()) {
printError("Album Name Cannot Be Empty.");
continue;
}
List<Photo> photos = null;
try {
photos = control.listPhotos(albumName);
if (photos == null) {
printError("Could Not List Photos");
continue;
}
System.out.println("Photos for album " + albumName + ":");
for (int i = 0; i < photos.size(); i++) {
System.out.println(
photos.get(i).getFileName() + " - " + Utils.formatDate(photos.get(i).getDate()));
}
} catch (AlbumNotFoundException e) {
System.out.println("Album " + albumName + " does not exist");
continue;
}
} else if (command.compareTo("addPhoto") == 0) // more testing needed
{
String fileName = new String();
String caption = new String();
String albumName = new String();
try {
String tmp = tokenizer.nextToken("\""); // skip space
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
fileName = tokenizer.nextToken("\""); // get file name
if (fileName.compareTo(" ") == 0) throw new NoSuchElementException();
tmp = tokenizer.nextToken("\""); // skip space
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
caption = tokenizer.nextToken("\"");
if (caption.compareTo(" ") == 0) {
caption = "";
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
albumName = tokenizer.nextToken("\"");
} else {
tokenizer.nextToken("\"");
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
albumName = tokenizer.nextToken("\"");
}
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -addPhoto \"<fileName>\" \"<caption>\" \"<albumName>\"");
continue;
}
if (fileName == null || caption == null || albumName == null) {
printError(
"Correct Format -" + "addPhoto \"<fileName>\" \"<caption>\" \"<albumName>\"");
continue;
}
caption = caption.trim();
fileName = fileName.trim();
albumName = albumName.trim();
if (fileName.isEmpty() || albumName.isEmpty()) {
printError(
"Correct Format -" + "addPhoto \"<fileName>\" \"<caption>\" \"<albumName>\"");
continue;
}
fileName = fileName.trim();
albumName = albumName.trim();
if (!caption.isEmpty()) caption = caption.trim();
List<Album> albs = control.listAlbums();
boolean albumExists = false;
if (albs != null) {
for (int i = 0; i < albs.size(); i++) {
if (albs.get(i).getName().compareTo(albumName) == 0) albumExists = true;
}
}
if (!albumExists) {
System.out.println("Album " + albumName + " does not exist");
continue;
}
File photoFile = new File(fileName);
if (!photoFile.exists() || photoFile.isDirectory()) {
System.out.println("File " + photoFile.getAbsolutePath() + " does not exist");
continue;
}
boolean added = false;
try {
added = control.addPhoto(fileName, caption, albumName);
if (added) {
Photo addedPhoto = control.getPhotoByFileName(fileName);
System.out.println("Added photo " + fileName + ":");
System.out.println(addedPhoto.getCaption() + " - Album: " + albumName);
} else {
System.out.println(
"Photo " + photoFile.getAbsolutePath() + " already exists in album " + albumName);
}
} catch (AlbumNotFoundException e) {
System.out.println("Album " + albumName + " does not exist");
continue;
} catch (FileNotFoundException e) {
System.out.println("File " + photoFile.getAbsolutePath() + " does not exist");
continue;
} catch (IllegalArgumentException e) {
printError(e.getMessage());
continue;
}
} else if (command.compareTo("movePhoto") == 0) {
String fileName = new String();
String oldAlbum = new String();
String newAlbum = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
fileName = tokenizer.nextToken("\"");
tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
oldAlbum = tokenizer.nextToken("\"");
tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
newAlbum = tokenizer.nextToken("\"");
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError(
"Correct Format -movePhoto \"<fileName>\" \"<oldAlbumName>\" \"<newAlbumName>\"");
continue;
}
if (fileName == null || oldAlbum == null || newAlbum == null) {
printError(
"Correct Format -"
+ "movePhoto \"<fileName>\" \"<oldAlbumName>\" \"<newAlbumName>\"");
continue;
}
fileName = fileName.trim();
oldAlbum = oldAlbum.trim();
newAlbum = newAlbum.trim();
if (fileName.isEmpty() || oldAlbum.isEmpty() || newAlbum.isEmpty()) {
printError(
"Correct Format -"
+ "movePhoto \"<fileName>\" \"<oldAlbumName>\" \"<newAlbumName>\"");
continue;
}
boolean moved = false;
boolean inOldAlbum = false, oldAlbumExists = false, newAlbumExists = false;
List<Album> albsAll = control.listAlbums();
for (int i = 0; i < albsAll.size(); i++) {
if (albsAll.get(i).getName().compareTo(oldAlbum) == 0) oldAlbumExists = true;
if (albsAll.get(i).getName().compareTo(newAlbum) == 0) newAlbumExists = true;
}
if (!oldAlbumExists) {
System.out.println("Album " + oldAlbum + " does not exist");
if (!newAlbumExists) System.out.println("Album " + newAlbum + " does not exist");
continue;
}
if (!newAlbumExists) {
System.out.println("Album " + newAlbum + " does not exist");
continue;
}
try {
List<String> albs = control.listsPhotoAlbumNamesInfo(fileName);
if (albs == null) {
System.out.println("Photo " + fileName + " does not exist in " + oldAlbum);
continue;
}
for (int i = 0; i < albs.size(); i++) {
if (albs.get(i).compareTo(newAlbum)
== 0) // if the photo exists in old album do not do anything
{
inOldAlbum = true;
}
}
if (inOldAlbum) continue;
moved = control.movePhoto(fileName, oldAlbum, newAlbum);
if (moved) {
System.out.println("Moved photo " + fileName);
System.out.println(fileName + " - From album " + oldAlbum + " to album " + newAlbum);
} else {
System.out.println("Photo " + fileName + " does not exist in " + oldAlbum);
}
} catch (AlbumNotFoundException e) {
printError(e.getMessage());
continue;
} catch (PhotoNotFoundException e) {
// TODO Auto-generated catch block
System.out.println("Photo " + fileName + " does not exist");
continue;
} catch (FileNotFoundException e) {
System.out.println("Photo " + fileName + " does not exist");
continue;
}
} else if (command.compareTo("removePhoto") == 0) // works
{
String fileName = new String();
String albumName = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
fileName = tokenizer.nextToken("\"");
tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
albumName = tokenizer.nextToken("\"");
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -removePhoto \"<fileName>\" \"<albumName>\"");
continue;
}
if (fileName == null || albumName == null) {
printError("Correct Format -" + "removePhoto \"<fileName>\" \"<albumName>\"");
continue;
}
fileName = fileName.trim();
albumName = albumName.trim();
if (fileName.isEmpty() || albumName.isEmpty()) {
printError("Correct Format -" + "removePhoto \"<fileName>\" \"<albumName>\"");
continue;
}
boolean albumExists = false;
List<Album> albsAll = control.listAlbums();
for (int i = 0; i < albsAll.size(); i++) {
if (albsAll.get(i).getName().compareTo(albumName) == 0) albumExists = true;
}
if (!albumExists) {
System.out.println("Album " + albumName + " does not exist");
continue;
}
boolean removed = false;
try {
removed = control.removePhoto(fileName, albumName);
if (removed) {
System.out.println("Removed photo:");
System.out.println(fileName + " - From album " + albumName);
} else {
System.out.println("Photo " + fileName + " is not in album " + albumName);
}
} catch (AlbumNotFoundException e) {
System.out.println("Album " + albumName + " does not exist");
continue;
} catch (FileNotFoundException e) {
System.out.println("Photo " + fileName + " does not exist");
continue;
}
} else if (command.compareTo("addTag") == 0) // works
{
String fileName = new String();
String tagValue = new String();
String tagType = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
fileName = tokenizer.nextToken("\""); // file name
tokenizer.nextToken(" ");
tagType = tokenizer.nextToken(" :"); // tag type
tokenizer.nextToken("\"");
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
tagValue = tokenizer.nextToken("\""); // tag value
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -addTag \"<fileName>\" <tagType>:\"<tagValue>\"");
continue;
}
if (tagValue == null || fileName == null || tagType == null) {
printError("Correct Format -addTag \"<fileName>\" <tagType>:\"<tagValue>\"");
continue;
}
tagValue = tagValue.trim();
fileName = fileName.trim();
tagType = tagType.trim();
if (tagValue.isEmpty() || fileName.isEmpty() || tagType.isEmpty()) {
printError("Correct Format -addTag \"<fileName>\" <tagType>:\"<tagValue>\"");
continue;
}
boolean added = false;
try {
added = control.addTag(fileName, tagType, tagValue);
if (added) {
System.out.println("Added tag:");
System.out.println(fileName + " " + tagType + ":" + tagValue);
} else {
System.out.println(
"Tag already exists for " + fileName + " " + tagType + ":" + tagValue);
}
} catch (PhotoNotFoundException e) {
// printError(e.getMessage());
System.out.println("Photo " + fileName + " does not exist");
continue;
} catch (FileNotFoundException e) {
System.out.println("Photo " + fileName + " does not exist");
continue;
}
} else if (command.compareTo("deleteTag") == 0) // works
{
String fileName = new String();
String tagValue = new String();
String tagType = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
fileName = tokenizer.nextToken("\""); // file name
tokenizer.nextToken(" ");
tagType = tokenizer.nextToken(" :"); // tag type
tokenizer.nextToken("\"");
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
tagValue = tokenizer.nextToken("\""); // tag value
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -deleteTag \"<fileName>\" <tagType>:\"<tagValue>\"");
continue;
}
if (tagValue == null || fileName == null || tagType == null) {
printError("Correct Format -deleteTag \"<fileName>\" <tagType>:\"<tagValue>\"");
continue;
}
tagValue = tagValue.trim();
fileName = fileName.trim();
tagType = tagType.trim();
if (tagValue.isEmpty() || fileName.isEmpty() || tagType.isEmpty()) {
printError("Correct Format -deleteTag \"<fileName>\" <tagType>:\"<tagValue>\"");
continue;
}
boolean deleted = false;
try {
deleted = control.deleteTag(fileName, tagType, tagValue);
if (deleted) {
System.out.println("Deleted tag");
System.out.println(fileName + " " + tagType + ":" + tagValue);
} else {
System.out.println(
"Tag does not exist for " + fileName + " " + tagType + ":" + tagValue);
}
} catch (PhotoNotFoundException e) {
System.out.println("Photo " + fileName + " does not exist");
continue;
} catch (FileNotFoundException e) {
System.out.println("Photo " + fileName + " does not exist");
continue;
}
} else if (command.compareTo("listPhotoInfo") == 0) // works
{
String fileName = new String();
try {
String tmp = tokenizer.nextToken("\"");
if (tmp.compareTo(" ") != 0) throw new NoSuchElementException();
String tmp2 = tokenizer.nextToken("\0");
if (!tmp2.endsWith("\"")) throw new NoSuchElementException();
tokenizer = new StringTokenizer(tmp2);
fileName = tokenizer.nextToken("\""); // file name
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -listPhotoInfo \"<fileName>\"");
continue;
}
if (fileName == null) {
printError("Correct Format -listPhotoInfo \"<fileName>\"");
continue;
}
fileName = fileName.trim();
if (fileName.isEmpty()) {
printError("Correct Format -listPhotoInfo \"<fileName>\"");
continue;
}
try {
Photo temp = control.getPhotoByFileName(fileName);
List<String> albumNames = control.listsPhotoAlbumNamesInfo(fileName);
if (temp != null && albumNames != null) {
System.out.println("Photo file name: " + fileName);
System.out.print("Album: ");
if (!albumNames.isEmpty()) {
for (int i = 0; i < albumNames.size() - 1; i++) {
System.out.print("\"" + albumNames.get(i) + "\", ");
}
System.out.print("\"" + albumNames.get(albumNames.size() - 1) + "\"");
}
System.out.println();
System.out.println("Date: " + Utils.formatDate(temp.getDate())); // does not work
System.out.println("Caption: " + temp.getCaption());
System.out.println("Tags:");
List<Tag> tags = temp.getTags();
for (int i = 0; i < tags.size(); i++) System.out.println(tags.get(i).toString());
} else System.out.println("Photo " + fileName + " does not exist");
} catch (FileNotFoundException e) {
System.out.println("Photo " + fileName + " does not exist");
continue;
}
} else if (command.compareTo("getPhotosByDate") == 0) {
String startDate = new String();
String endDate = new String();
try {
startDate = tokenizer.nextToken(" "); // file name
endDate = tokenizer.nextToken(" ");
if (tokenizer.hasMoreTokens()) throw new NoSuchElementException();
} catch (NoSuchElementException e) {
printError("Correct Format -getPhotosByDate <start date> <end date>");
continue;
}
if (startDate == null || endDate == null) {
printError("Could not get photos by date.");
continue;
}
startDate = startDate.trim();
endDate = endDate.trim();
if (startDate.isEmpty() || endDate.isEmpty()) {
printError("Start date and end date cannot be empty.");
continue;
}
List<Photo> photos = null;
try {
photos = control.getPhotosByDate(startDate, endDate);
if (photos == null) {
printError("Could not get photos by date.");
continue;
}
System.out.println(
"Photos for user " + user.getID() + " in range " + startDate + " to " + endDate);
if (!photos.isEmpty()) {
for (int i = 0; i < photos.size(); i++) {
System.out.print(photos.get(i).getCaption() + " - Album: ");
List<String> albumNames =
control.listsPhotoAlbumNamesInfo(photos.get(i).getFileName());
for (int n = 0; n < albumNames.size() - 1; n++) {
System.out.print(albumNames.get(n) + ", ");
}
System.out.print(albumNames.get(albumNames.size() - 1));
System.out.println(" - Date:" + Utils.formatDate(photos.get(i).getDate()));
}
}
} catch (ParseException e) {
printError(e.getMessage());
continue;
} catch (FileNotFoundException e) {
printError(e.getMessage());
continue;
} catch (IllegalArgumentException e) {
printError(e.getMessage());
continue;
}
} else if (command.compareTo("getPhotosByTag") == 0) {
String searchString = new String();
try {
searchString = tokenizer.nextToken("\0");
} catch (NoSuchElementException e) {
printError(
"Correct Format -getPhotosByTag [<tagType>:]\"<tagValue>\" [,[<tagType>:]\"<tagValue>\"]... ");
continue;
}
tokenizer = new StringTokenizer(searchString);
List<String> tags = new ArrayList<String>();
while (tokenizer
.hasMoreTokens()) // this breaks up the tokens into tags(with or without values)
{
tags.add(tokenizer.nextToken(" ,"));
}
if (tags.isEmpty()) {
printError(
"Correct Format -getPhotosByTag [<tagType>:]\"<tagValue>\" [,[<tagType>:]\"<tagValue>\"]... ");
continue;
}
try {
for (int i = 0; i < tags.size(); i++) // removes the quotes around tag value
{
if (!tags.get(i).endsWith("\"")) {
throw new IllegalArgumentException();
}
if (!tags.get(i).contains(":")) {
if (!tags.get(i).startsWith("\"")) throw new IllegalArgumentException();
}
String temp = tags.get(i);
tags.remove(i);
StringTokenizer tok = new StringTokenizer(temp, "\"");
ArrayList<String> args = new ArrayList<String>();
while (tok.hasMoreTokens()) {
args.add(tok.nextToken());
}
if (args.size() == 2) {
tags.add(i, args.get(0).concat(args.get(1)));
} else if (args.size() == 1) {
if (args.get(0).endsWith(":")) throw new IllegalArgumentException();
tags.add(0, args.get(0));
} else {
printError("getPhotosByTag. Could Not Parse Arguments.");
continue;
}
}
} catch (IllegalArgumentException e) {
printError(
"Correct Format -getPhotosByTag [<tagType>:]\"<tagValue>\" [,[<tagType>:]\"<tagValue>\"]... ");
continue;
}
try {
List<Photo> photos = control.getPhotosByTag(tags);
if (photos == null) {
printError("getPhotosByTag. Could not retrieve photos.");
continue;
}
System.out.println(
"Photos for user " + user.getID() + " with tags " + searchString + ": ");
for (int i = 0; i < photos.size(); i++) {
System.out.print(photos.get(i).getCaption() + " - Album:");
List<String> albumNames =
control.listsPhotoAlbumNamesInfo(photos.get(i).getFileName());
if (!albumNames.isEmpty()) {
for (int n = 0; n < albumNames.size() - 1; n++) {
System.out.print(albumNames.get(n) + ", ");
}
System.out.print(albumNames.get(albumNames.size() - 1));
}
System.out.println(" - Date: " + Utils.formatDate(photos.get(i).getDate()));
}
} catch (FileNotFoundException e) {
printError(e.getMessage());
continue;
} catch (IllegalArgumentException e) {
printError(e.getMessage());
continue;
}
} else if (command.compareTo("logout") == 0) // works
{
if (tokenizer.hasMoreTokens()) {
printError("Corect Format -logout");
continue;
}
control.logout();
break;
} else {
printError("Unknown Command");
}
}
} else {
System.out.println("user " + ID + " does not exist");
}
}
