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-rw-r--r--src/musichub/business/Album.java145
-rw-r--r--src/musichub/business/AudioBook.java78
-rw-r--r--src/musichub/business/AudioElement.java88
-rw-r--r--src/musichub/business/Category.java14
-rw-r--r--src/musichub/business/Genre.java14
-rw-r--r--src/musichub/business/Language.java14
-rw-r--r--src/musichub/business/MusicHub.java329
-rw-r--r--src/musichub/business/NoAlbumFoundException.java8
-rw-r--r--src/musichub/business/NoElementFoundException.java8
-rw-r--r--src/musichub/business/NoPlayListFoundException.java8
-rw-r--r--src/musichub/business/PlayList.java100
-rw-r--r--src/musichub/business/Song.java56
-rw-r--r--src/musichub/main/Main.java248
-rw-r--r--src/musichub/util/XMLHandler.java74
14 files changed, 0 insertions, 1184 deletions
diff --git a/src/musichub/business/Album.java b/src/musichub/business/Album.java
deleted file mode 100644
index 01fd179..0000000
--- a/src/musichub/business/Album.java
+++ /dev/null
@@ -1,145 +0,0 @@
-package musichub.business;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.*;
-
-
-public class Album {
- private final String title;
- private final int lengthInSeconds;
- private final UUID uuid;
- private String artist;
- private Date date;
- private ArrayList<UUID> songsUIDs;
-
- public Album(String title, String artist, int lengthInSeconds, String id, String date, ArrayList<UUID> songsUIDs) {
- this.title = title;
- this.artist = artist;
- this.lengthInSeconds = lengthInSeconds;
- this.uuid = UUID.fromString(id);
- try {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- this.date = sdf.parse(date);
- } catch (ParseException ex) {
- ex.printStackTrace();
- }
- this.songsUIDs = songsUIDs;
- }
-
- public Album(String title, String artist, int lengthInSeconds, String date) {
- this.title = title;
- this.artist = artist;
- this.lengthInSeconds = lengthInSeconds;
- this.uuid = UUID.randomUUID();
- try {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- this.date = sdf.parse(date);
- } catch (ParseException ex) {
- ex.printStackTrace();
- }
- this.songsUIDs = new ArrayList<>();
- }
-
- public Album(Element xmlElement) throws Exception {
- {
- this.title = xmlElement.getElementsByTagName("title").item(0).getTextContent();
- this.lengthInSeconds = Integer.parseInt(xmlElement.getElementsByTagName("lengthInSeconds").item(0).getTextContent());
- String uuid = null;
- try {
- uuid = xmlElement.getElementsByTagName("UUID").item(0).getTextContent();
- } catch (Exception ex) {
- System.out.println("Empty album UUID, will create a new one");
- }
- if ((uuid == null) || (uuid.isEmpty()))
- this.uuid = UUID.randomUUID();
- else this.uuid = UUID.fromString(uuid);
-
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- this.date = sdf.parse(xmlElement.getElementsByTagName("date").item(0).getTextContent());
- //parse list of songs:
- Node songsElement = xmlElement.getElementsByTagName("songs").item(0);
- NodeList songUUIDNodes = songsElement.getChildNodes();
- if (songUUIDNodes == null) return;
-
- this.songsUIDs = new ArrayList<>();
-
- for (int i = 0; i < songUUIDNodes.getLength(); i++) {
- if (songUUIDNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
- Element songElement = (Element) songUUIDNodes.item(i);
- if (songElement.getNodeName().equals("UUID")) {
- try {
- this.addSong(UUID.fromString(songElement.getTextContent()));
- } catch (Exception ex) {
- ex.printStackTrace();
- }
- }
- }
- }
- }
- }
-
-
- public void addSong(UUID song) {
- songsUIDs.add(song);
- }
-
-
- public List<UUID> getSongs() {
- return songsUIDs;
- }
-
- public ArrayList<UUID> getSongsRandomly() {
- ArrayList<UUID> shuffledSongs = songsUIDs;
- Collections.shuffle(shuffledSongs);
- return shuffledSongs;
- }
-
- public String getTitle() {
- return title;
- }
-
- public Date getDate() {
- return date;
- }
-
- public void createXMLElement(Document document, Element parentElement) {
- Element albumElement = document.createElement("album");
- parentElement.appendChild(albumElement);
-
- Element nameElement = document.createElement("title");
- nameElement.appendChild(document.createTextNode(title));
- albumElement.appendChild(nameElement);
-
- Element artistElement = document.createElement("artist");
- artistElement.appendChild(document.createTextNode(artist));
- albumElement.appendChild(artistElement);
-
- Element lengthElement = document.createElement("lengthInSeconds");
- lengthElement.appendChild(document.createTextNode(Integer.valueOf(lengthInSeconds).toString()));
- albumElement.appendChild(lengthElement);
-
- Element UUIDElement = document.createElement("UUID");
- UUIDElement.appendChild(document.createTextNode(uuid.toString()));
- albumElement.appendChild(UUIDElement);
-
- Element dateElement = document.createElement("date");
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- dateElement.appendChild(document.createTextNode(sdf.format(date)));
- albumElement.appendChild(dateElement);
-
- Element songsElement = document.createElement("songs");
- for (UUID currentUUID : this.songsUIDs) {
- Element songUUIDElement = document.createElement("UUID");
- songUUIDElement.appendChild(document.createTextNode(currentUUID.toString()));
- songsElement.appendChild(songUUIDElement);
- }
- albumElement.appendChild(songsElement);
-
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/AudioBook.java b/src/musichub/business/AudioBook.java
deleted file mode 100644
index 80392d6..0000000
--- a/src/musichub/business/AudioBook.java
+++ /dev/null
@@ -1,78 +0,0 @@
-package musichub.business;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-
-public class AudioBook extends AudioElement {
- private Language language;
- private Category category;
-
- public AudioBook(String title, String artist, int lengthInSeconds, String uid, String content, String language, String category) {
- super(title, artist, lengthInSeconds, uid, content);
- this.setLanguage(language);
- this.setCategory(category);
- }
-
- public AudioBook(String title, String artist, int lengthInSeconds, String content, String language, String category) {
- super(title, artist, lengthInSeconds, content);
- this.setLanguage(language);
- this.setCategory(category);
- }
-
- public AudioBook(Element xmlElement) {
- super(xmlElement);
- this.setLanguage(xmlElement.getElementsByTagName("language").item(0).getTextContent());
- this.setCategory(xmlElement.getElementsByTagName("category").item(0).getTextContent());
- }
-
- public Language getLanguage() {
- return this.language;
- }
-
- public void setLanguage(String language) {
- switch (language.toLowerCase()) {
- default -> this.language = Language.ENGLISH;
- case "french" -> this.language = Language.FRENCH;
- case "german" -> this.language = Language.GERMAN;
- case "spanish" -> this.language = Language.SPANISH;
- case "italian" -> this.language = Language.ITALIAN;
- }
- }
-
- public Category getCategory() {
- return this.category;
- }
-
- public void setCategory(String category) {
- switch (category.toLowerCase()) {
- default -> this.category = Category.YOUTH;
- case "novel" -> this.category = Category.NOVEL;
- case "theater" -> this.category = Category.THEATER;
- case "documentary" -> this.category = Category.DOCUMENTARY;
- case "speech" -> this.category = Category.SPEECH;
- }
- }
-
-
- public String toString() {
- return super.toString() + ", Language = " + getLanguage() + ", Category = " + getCategory() + "\n";
- }
-
-
- public void createXMLElement(Document document, Element parentElement) {
- // audiobook element
- Element audioBook = document.createElement("audiobook");
-
- super.createXMLElement(document, audioBook);
-
- Element languageElement = document.createElement("language");
- languageElement.appendChild(document.createTextNode(language.getLanguage()));
- audioBook.appendChild(languageElement);
-
- Element categoryElement = document.createElement("category");
- categoryElement.appendChild(document.createTextNode(category.getCategory()));
- audioBook.appendChild(categoryElement);
-
- parentElement.appendChild(audioBook);
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/AudioElement.java b/src/musichub/business/AudioElement.java
deleted file mode 100644
index e0a686b..0000000
--- a/src/musichub/business/AudioElement.java
+++ /dev/null
@@ -1,88 +0,0 @@
-package musichub.business;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-
-import java.util.UUID;
-
-public abstract class AudioElement {
- protected String title;
- protected String artist;
- protected int lengthInSeconds;
- protected UUID uuid;
- protected String content;
-
- public AudioElement(String title, String artist, int lengthInSeconds, String id, String content) {
- this.title = title;
- this.artist = artist;
- this.lengthInSeconds = lengthInSeconds;
- this.uuid = UUID.fromString(id);
- this.content = content;
- }
-
- public AudioElement(String title, String artist, int lengthInSeconds, String content) {
- this.title = title;
- this.artist = artist;
- this.lengthInSeconds = lengthInSeconds;
- this.content = content;
- this.uuid = UUID.randomUUID();
- }
-
- public AudioElement(Element xmlElement) {
- {
- title = xmlElement.getElementsByTagName("title").item(0).getTextContent();
- artist = xmlElement.getElementsByTagName("artist").item(0).getTextContent();
- lengthInSeconds = Integer.parseInt(xmlElement.getElementsByTagName("length").item(0).getTextContent());
- content = xmlElement.getElementsByTagName("content").item(0).getTextContent();
- String uuid = null;
- try {
- uuid = xmlElement.getElementsByTagName("UUID").item(0).getTextContent();
- } catch (Exception ex) {
- System.out.println("Empty element UUID, will create a new one");
- }
- if ((uuid == null) || (uuid.isEmpty()))
- this.uuid = UUID.randomUUID();
- else this.uuid = UUID.fromString(uuid);
- }
- }
-
- public UUID getUUID() {
- return this.uuid;
- }
-
- public String getArtist() {
- return this.artist;
- }
-
- public String getTitle() {
- return this.title;
- }
-
- public String toString() {
- return "Title = " + this.title + ", Artist = " + this.artist + ", Length = " + this.lengthInSeconds + ", Content = " + this.content;
- }
-
- public void createXMLElement(Document document, Element parentElement) {
- Element nameElement = document.createElement("title");
- nameElement.appendChild(document.createTextNode(title));
- parentElement.appendChild(nameElement);
-
- Element artistElement = document.createElement("artist");
- artistElement.appendChild(document.createTextNode(artist));
- parentElement.appendChild(artistElement);
-
- Element lengthElement = document.createElement("length");
- lengthElement.appendChild(document.createTextNode(Integer.valueOf(lengthInSeconds).toString()));
- parentElement.appendChild(lengthElement);
-
- Element UUIDElement = document.createElement("UUID");
- UUIDElement.appendChild(document.createTextNode(uuid.toString()));
- parentElement.appendChild(UUIDElement);
-
- Element contentElement = document.createElement("content");
- contentElement.appendChild(document.createTextNode(content));
- parentElement.appendChild(contentElement);
-
- }
-
-} \ No newline at end of file
diff --git a/src/musichub/business/Category.java b/src/musichub/business/Category.java
deleted file mode 100644
index f676e51..0000000
--- a/src/musichub/business/Category.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package musichub.business;
-
-public enum Category {
- YOUTH("youth"), NOVEL("novel"), THEATER("theater"), DOCUMENTARY("documentary"), SPEECH("speech");
- private final String category;
-
- Category(String category) {
- this.category = category;
- }
-
- public String getCategory() {
- return category;
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/Genre.java b/src/musichub/business/Genre.java
deleted file mode 100644
index 18deca6..0000000
--- a/src/musichub/business/Genre.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package musichub.business;
-
-public enum Genre {
- JAZZ("jazz"), CLASSIC("classic"), HIPHOP("hiphop"), ROCK("rock"), POP("pop"), RAP("rap");
- private final String genre;
-
- Genre(String genre) {
- this.genre = genre;
- }
-
- public String getGenre() {
- return genre;
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/Language.java b/src/musichub/business/Language.java
deleted file mode 100644
index 679e586..0000000
--- a/src/musichub/business/Language.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package musichub.business;
-
-public enum Language {
- FRENCH("french"), ENGLISH("english"), ITALIAN("italian"), SPANISH("spanish"), GERMAN("german");
- private final String language;
-
- Language(String language) {
- this.language = language;
- }
-
- public String getLanguage() {
- return language;
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/MusicHub.java b/src/musichub/business/MusicHub.java
deleted file mode 100644
index 38e2214..0000000
--- a/src/musichub/business/MusicHub.java
+++ /dev/null
@@ -1,329 +0,0 @@
-package musichub.business;
-
-import musichub.util.XMLHandler;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-import java.util.*;
-
-class SortByDate implements Comparator<Album> {
- public int compare(Album a1, Album a2) {
- return a1.getDate().compareTo(a2.getDate());
- }
-}
-
-class SortByGenre implements Comparator<Song> {
- public int compare(Song s1, Song s2) {
- return s1.getGenre().compareTo(s2.getGenre());
- }
-}
-
-class SortByAuthor implements Comparator<AudioElement> {
- public int compare(AudioElement e1, AudioElement e2) {
- return e1.getArtist().compareTo(e2.getArtist());
- }
-}
-
-public class MusicHub {
- public static final String DIR = System.getProperty("user.dir");
- public static final String ALBUMS_FILE_PATH = DIR + "/files/albums.xml";
- public static final String PLAYLISTS_FILE_PATH = DIR + "/files/playlists.xml";
- public static final String ELEMENTS_FILE_PATH = DIR + "/files/elements.xml";
- private final List<Album> albums;
- private final List<PlayList> playlists;
- private final List<AudioElement> elements;
- private final XMLHandler xmlHandler = new XMLHandler();
-
- public MusicHub() {
- albums = new LinkedList<>();
- playlists = new LinkedList<>();
- elements = new LinkedList<>();
- this.loadElements();
- this.loadAlbums();
- this.loadPlaylists();
- }
-
- public void addElement(AudioElement element) {
- elements.add(element);
- }
-
- public void addAlbum(Album album) {
- albums.add(album);
- }
-
- public void addPlaylist(PlayList playlist) {
- playlists.add(playlist);
- }
-
- public void deletePlayList(String playListTitle) throws NoPlayListFoundException {
-
- PlayList thePlayList = null;
- boolean result = false;
- for (PlayList pl : playlists) {
- if (pl.getTitle().equalsIgnoreCase(playListTitle)) {
- thePlayList = pl;
- break;
- }
- }
-
- if (thePlayList != null)
- result = playlists.remove(thePlayList);
- if (!result) throw new NoPlayListFoundException("Playlist " + playListTitle + " not found!");
- }
-
- public Iterator<Album> albums() {
- return albums.listIterator();
- }
-
- public Iterator<PlayList> playlists() {
- return playlists.listIterator();
- }
-
- public Iterator<AudioElement> elements() {
- return elements.listIterator();
- }
-
- public String getAlbumsTitlesSortedByDate() {
- StringBuilder titleList = new StringBuilder();
- albums.sort(new SortByDate());
- for (Album al : albums)
- titleList.append(al.getTitle()).append("\n");
- return titleList.toString();
- }
-
- public String getAudiobooksTitlesSortedByAuthor() {
- StringBuilder titleList = new StringBuilder();
- List<AudioElement> audioBookList = new ArrayList<>();
- for (AudioElement ae : elements)
- if (ae instanceof AudioBook)
- audioBookList.add(ae);
- audioBookList.sort(new SortByAuthor());
- for (AudioElement ab : audioBookList)
- titleList.append(ab.getArtist()).append("\n");
- return titleList.toString();
- }
-
- public List<AudioElement> getAlbumSongs(String albumTitle) throws NoAlbumFoundException {
- Album theAlbum = null;
- ArrayList<AudioElement> songsInAlbum = new ArrayList<>();
- for (Album al : albums) {
- if (al.getTitle().equalsIgnoreCase(albumTitle)) {
- theAlbum = al;
- break;
- }
- }
- if (theAlbum == null) throw new NoAlbumFoundException("No album with this title in the MusicHub!");
-
- List<UUID> songIDs = theAlbum.getSongs();
- for (UUID id : songIDs)
- for (AudioElement el : elements) {
- if (el instanceof Song) {
- if (el.getUUID().equals(id)) songsInAlbum.add(el);
- }
- }
- return songsInAlbum;
-
- }
-
- public List<Song> getAlbumSongsSortedByGenre(String albumTitle) throws NoAlbumFoundException {
- Album theAlbum = null;
- ArrayList<Song> songsInAlbum = new ArrayList<>();
- for (Album al : albums) {
- if (al.getTitle().equalsIgnoreCase(albumTitle)) {
- theAlbum = al;
- break;
- }
- }
- if (theAlbum == null) throw new NoAlbumFoundException("No album with this title in the MusicHub!");
-
- List<UUID> songIDs = theAlbum.getSongs();
- for (UUID id : songIDs)
- for (AudioElement el : elements) {
- if (el instanceof Song) {
- if (el.getUUID().equals(id)) songsInAlbum.add((Song) el);
- }
- }
- songsInAlbum.sort(new SortByGenre());
- return songsInAlbum;
-
- }
-
- public void addElementToAlbum(String elementTitle, String albumTitle) throws NoAlbumFoundException, NoElementFoundException {
- Album theAlbum = null;
- int i;
- boolean found = false;
- for (i = 0; i < albums.size(); i++) {
- if (albums.get(i).getTitle().equalsIgnoreCase(albumTitle)) {
- theAlbum = albums.get(i);
- found = true;
- break;
- }
- }
-
- if (found) {
- AudioElement theElement = null;
- for (AudioElement ae : elements) {
- if (ae.getTitle().equalsIgnoreCase(elementTitle)) {
- theElement = ae;
- break;
- }
- }
- if (theElement != null) {
- theAlbum.addSong(theElement.getUUID());
- //replace the album in the list
- albums.set(i, theAlbum);
- } else throw new NoElementFoundException("Element " + elementTitle + " not found!");
- } else throw new NoAlbumFoundException("Album " + albumTitle + " not found!");
-
- }
-
- public void addElementToPlayList(String elementTitle, String playListTitle) throws NoPlayListFoundException, NoElementFoundException {
- PlayList thePlaylist = null;
- int i;
- boolean found = false;
-
- for (i = 0; i < playlists.size(); i++) {
- if (playlists.get(i).getTitle().equalsIgnoreCase(playListTitle)) {
- thePlaylist = playlists.get(i);
- found = true;
- break;
- }
- }
-
- if (found) {
- AudioElement theElement = null;
- for (AudioElement ae : elements) {
- if (ae.getTitle().equalsIgnoreCase(elementTitle)) {
- theElement = ae;
- break;
- }
- }
- if (theElement != null) {
- thePlaylist.addElement(theElement.getUUID());
- //replace the album in the list
- playlists.set(i, thePlaylist);
- } else throw new NoElementFoundException("Element " + elementTitle + " not found!");
-
- } else throw new NoPlayListFoundException("Playlist " + playListTitle + " not found!");
-
- }
-
- private void loadAlbums() {
- NodeList albumNodes = xmlHandler.parseXMLFile(ALBUMS_FILE_PATH);
- if (albumNodes == null) return;
-
- for (int i = 0; i < albumNodes.getLength(); i++) {
- if (albumNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
- Element albumElement = (Element) albumNodes.item(i);
- if (albumElement.getNodeName().equals("album")) {
- try {
- this.addAlbum(new Album(albumElement));
- } catch (Exception ex) {
- System.out.println("Something is wrong with the XML album element");
- }
- }
- }
- }
- }
-
- private void loadPlaylists() {
- NodeList playlistNodes = xmlHandler.parseXMLFile(PLAYLISTS_FILE_PATH);
- if (playlistNodes == null) return;
-
- for (int i = 0; i < playlistNodes.getLength(); i++) {
- if (playlistNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
- Element playlistElement = (Element) playlistNodes.item(i);
- if (playlistElement.getNodeName().equals("playlist")) {
- try {
- this.addPlaylist(new PlayList(playlistElement));
- } catch (Exception ex) {
- System.out.println("Something is wrong with the XML playlist element");
- }
- }
- }
- }
- }
-
- private void loadElements() {
- NodeList audioelementsNodes = xmlHandler.parseXMLFile(ELEMENTS_FILE_PATH);
- if (audioelementsNodes == null) return;
-
- for (int i = 0; i < audioelementsNodes.getLength(); i++) {
- if (audioelementsNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
- Element audioElement = (Element) audioelementsNodes.item(i);
- if (audioElement.getNodeName().equals("song")) {
- try {
- AudioElement newSong = new Song(audioElement);
- this.addElement(newSong);
- } catch (Exception ex) {
- System.out.println("Something is wrong with the XML song element");
- }
- }
- if (audioElement.getNodeName().equals("audiobook")) {
- try {
- AudioElement newAudioBook = new AudioBook(audioElement);
- this.addElement(newAudioBook);
- } catch (Exception ex) {
- System.out.println("Something is wrong with the XML audiobook element");
- }
- }
- }
- }
- }
-
-
- public void saveAlbums() {
- Document document = xmlHandler.createXMLDocument();
- if (document == null) return;
-
- // root element
- Element root = document.createElement("albums");
- document.appendChild(root);
-
- //save all albums
- for (Iterator<Album> albumsIter = this.albums(); albumsIter.hasNext(); ) {
- Album currentAlbum = albumsIter.next();
- currentAlbum.createXMLElement(document, root);
- }
- xmlHandler.createXMLFile(document, ALBUMS_FILE_PATH);
- }
-
- public void savePlayLists() {
- Document document = xmlHandler.createXMLDocument();
- if (document == null) return;
-
- // root element
- Element root = document.createElement("playlists");
- document.appendChild(root);
-
- //save all playlists
- for (Iterator<PlayList> playlistsIter = this.playlists(); playlistsIter.hasNext(); ) {
- PlayList currentPlayList = playlistsIter.next();
- currentPlayList.createXMLElement(document, root);
- }
- xmlHandler.createXMLFile(document, PLAYLISTS_FILE_PATH);
- }
-
- public void saveElements() {
- Document document = xmlHandler.createXMLDocument();
- if (document == null) return;
-
- // root element
- Element root = document.createElement("elements");
- document.appendChild(root);
-
- //save all AudioElements
- for (AudioElement currentElement : elements) {
-
- if (currentElement instanceof Song) {
- currentElement.createXMLElement(document, root);
- }
- if (currentElement instanceof AudioBook) {
- currentElement.createXMLElement(document, root);
- }
- }
- xmlHandler.createXMLFile(document, ELEMENTS_FILE_PATH);
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/NoAlbumFoundException.java b/src/musichub/business/NoAlbumFoundException.java
deleted file mode 100644
index 04cbfcd..0000000
--- a/src/musichub/business/NoAlbumFoundException.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package musichub.business;
-
-public class NoAlbumFoundException extends Exception {
-
- public NoAlbumFoundException(String msg) {
- super(msg);
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/NoElementFoundException.java b/src/musichub/business/NoElementFoundException.java
deleted file mode 100644
index a9b0d76..0000000
--- a/src/musichub/business/NoElementFoundException.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package musichub.business;
-
-public class NoElementFoundException extends Exception {
-
- public NoElementFoundException(String msg) {
- super(msg);
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/NoPlayListFoundException.java b/src/musichub/business/NoPlayListFoundException.java
deleted file mode 100644
index c5eb413..0000000
--- a/src/musichub/business/NoPlayListFoundException.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package musichub.business;
-
-public class NoPlayListFoundException extends Exception {
-
- public NoPlayListFoundException(String msg) {
- super(msg);
- }
-} \ No newline at end of file
diff --git a/src/musichub/business/PlayList.java b/src/musichub/business/PlayList.java
deleted file mode 100644
index 4180a62..0000000
--- a/src/musichub/business/PlayList.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package musichub.business;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-import java.util.ArrayList;
-import java.util.UUID;
-
-public class PlayList {
- private final String title;
- private final UUID uuid;
- private ArrayList<UUID> elementUUIDs;
-
- public PlayList(String title, String id, ArrayList<UUID> elementUUIDs) {
- this.title = title;
- this.uuid = UUID.fromString(id);
- this.elementUUIDs = elementUUIDs;
- }
-
- public PlayList(String title) {
- this.title = title;
- this.uuid = UUID.randomUUID();
- this.elementUUIDs = new ArrayList<>();
- }
-
- public PlayList(Element xmlElement) {
- {
- this.title = xmlElement.getElementsByTagName("title").item(0).getTextContent();
-
- String uuid = null;
- try {
- uuid = xmlElement.getElementsByTagName("UUID").item(0).getTextContent();
- } catch (Exception ex) {
- System.out.println("Empty playlist UUID, will create a new one");
- }
- if ((uuid == null) || (uuid.isEmpty()))
- this.uuid = UUID.randomUUID();
- else this.uuid = UUID.fromString(uuid);
-
- //parse list of elements:
- Node elementsElement = xmlElement.getElementsByTagName("elements").item(0);
- NodeList elementUUIDNodes = elementsElement.getChildNodes();
- if (elementUUIDNodes == null) return;
-
- this.elementUUIDs = new ArrayList<>();
-
-
- for (int i = 0; i < elementUUIDNodes.getLength(); i++) {
- if (elementUUIDNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
- Element elementElement = (Element) elementUUIDNodes.item(i);
- if (elementElement.getNodeName().equals("UUID")) {
- try {
- this.addElement(UUID.fromString(elementElement.getTextContent()));
- } catch (Exception ex) {
- ex.printStackTrace();
- }
- }
- }
- }
- }
- }
-
- public void addElement(UUID element) {
- elementUUIDs.add(element);
- }
-
- public ArrayList<UUID> getElements() {
- return elementUUIDs;
- }
-
- public String getTitle() {
- return title;
- }
-
- public void createXMLElement(Document document, Element parentElement) {
- Element playlistElement = document.createElement("playlist");
- parentElement.appendChild(playlistElement);
-
- Element nameElement = document.createElement("title");
- nameElement.appendChild(document.createTextNode(title));
- playlistElement.appendChild(nameElement);
-
- Element UUIDElement = document.createElement("UUID");
- UUIDElement.appendChild(document.createTextNode(uuid.toString()));
- playlistElement.appendChild(UUIDElement);
-
-
- Element elementsElement = document.createElement("elements");
- for (UUID currentUUID : this.elementUUIDs) {
-
- Element elementUUIDElement = document.createElement("UUID");
- elementUUIDElement.appendChild(document.createTextNode(currentUUID.toString()));
- elementsElement.appendChild(elementUUIDElement);
- }
- playlistElement.appendChild(elementsElement);
- }
-
-} \ No newline at end of file
diff --git a/src/musichub/business/Song.java b/src/musichub/business/Song.java
deleted file mode 100644
index 3e9011b..0000000
--- a/src/musichub/business/Song.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package musichub.business;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-
-
-public class Song extends AudioElement {
- private Genre genre;
-
- public Song(String title, String artist, int length, String uid, String content, String genre) {
- super(title, artist, length, uid, content);
- this.setGenre(genre);
- }
-
- public Song(String title, String artist, int length, String content, String genre) {
- super(title, artist, length, content);
- this.setGenre(genre);
- }
-
- public Song(Element xmlElement) {
- super(xmlElement);
- this.setGenre(xmlElement.getElementsByTagName("genre").item(0).getTextContent());
- }
-
- public String getGenre() {
- return genre.getGenre();
- }
-
- public void setGenre(String genre) {
- switch (genre.toLowerCase()) {
- default -> this.genre = Genre.JAZZ;
- case "classic" -> this.genre = Genre.CLASSIC;
- case "hiphop" -> this.genre = Genre.HIPHOP;
- case "rock" -> this.genre = Genre.ROCK;
- case "pop" -> this.genre = Genre.POP;
- case "rap" -> this.genre = Genre.RAP;
- }
- }
-
- public String toString() {
- return super.toString() + ", Genre = " + getGenre() + "\n";
- }
-
- public void createXMLElement(Document document, Element parentElement) {
- // song element
- Element song = document.createElement("song");
-
- super.createXMLElement(document, song);
-
- Element genreElement = document.createElement("genre");
- genreElement.appendChild(document.createTextNode(genre.getGenre()));
- song.appendChild(genreElement);
-
- parentElement.appendChild(song);
- }
-} \ No newline at end of file
diff --git a/src/musichub/main/Main.java b/src/musichub/main/Main.java
deleted file mode 100644
index b72a95b..0000000
--- a/src/musichub/main/Main.java
+++ /dev/null
@@ -1,248 +0,0 @@
-package musichub.main;
-
-import musichub.business.*;
-
-import java.util.Iterator;
-import java.util.Scanner;
-
-public class Main {
- public static void main(String[] args) {
-
- MusicHub theHub = new MusicHub();
-
- System.out.println("Type h for available commands");
-
-
- Scanner scan = new Scanner(System.in);
- String choice = scan.nextLine();
-
- String albumTitle;
-
- if (choice.length() == 0) System.exit(0);
-
- while (!choice.equals("")) { //if the user puts nothing, quit the loop/system
- switch (choice.charAt(0)) {
- case 'q': //added the option directly in the switch instead of the loop
- System.exit(0);
- case 'h':
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 't':
- //album titles, ordered by date
- System.out.println(theHub.getAlbumsTitlesSortedByDate());
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'g':
- //songs of an album, sorted by genre
- System.out.println("Songs of an album sorted by genre will be displayed; enter the album name, available albums are:");
- System.out.println(theHub.getAlbumsTitlesSortedByDate());
-
- albumTitle = scan.nextLine();
- try {
- System.out.println(theHub.getAlbumSongsSortedByGenre(albumTitle));
- } catch (NoAlbumFoundException ex) {
- System.out.println("No album found with the requested title " + ex.getMessage());
- }
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'd':
- //songs of an album
- System.out.println("Songs of an album will be displayed; enter the album name, available albums are:");
- System.out.println(theHub.getAlbumsTitlesSortedByDate());
-
- albumTitle = scan.nextLine();
- try {
- System.out.println(theHub.getAlbumSongs(albumTitle));
- } catch (NoAlbumFoundException ex) {
- System.out.println("No album found with the requested title " + ex.getMessage());
- }
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'u':
- //audiobooks ordered by author
- System.out.println(theHub.getAudiobooksTitlesSortedByAuthor());
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'c':
- // add a new song
- System.out.println("Enter a new song: ");
- System.out.println("Song title: ");
- String title = scan.nextLine();
- System.out.println("Song genre (jazz, classic, hiphop, rock, pop, rap):");
- String genre = scan.nextLine();
- System.out.println("Song artist: ");
- String artist = scan.nextLine();
- System.out.println("Song length in seconds: ");
- int length = Integer.parseInt(scan.nextLine());
- System.out.println("Song content: ");
- String content = scan.nextLine();
- Song s = new Song(title, artist, length, content, genre);
- theHub.addElement(s);
- System.out.println("New element list: ");
- Iterator<AudioElement> it = theHub.elements();
- while (it.hasNext()) System.out.println(it.next().getTitle());
- System.out.println("Song created!");
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'a':
- // add a new album
- System.out.println("Enter a new album: ");
- System.out.println("Album title: ");
- String aTitle = scan.nextLine();
- System.out.println("Album artist: ");
- String aArtist = scan.nextLine();
- System.out.println("Album length in seconds: ");
- int aLength = Integer.parseInt(scan.nextLine());
- System.out.println("Album date as YYYY-DD-MM: ");
- String aDate = scan.nextLine();
- Album a = new Album(aTitle, aArtist, aLength, aDate);
- theHub.addAlbum(a);
- System.out.println("New list of albums: ");
- Iterator<Album> ita = theHub.albums();
- while (ita.hasNext()) System.out.println(ita.next().getTitle());
- System.out.println("Album created!");
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case '+':
- //add a song to an album:
- System.out.println("Add an existing song to an existing album");
- System.out.println("Type the name of the song you wish to add. Available songs: ");
- Iterator<AudioElement> itae = theHub.elements();
- while (itae.hasNext()) {
- AudioElement ae = itae.next();
- if (ae instanceof Song) System.out.println(ae.getTitle());
- }
- String songTitle = scan.nextLine();
-
- System.out.println("Type the name of the album you wish to enrich. Available albums: ");
- Iterator<Album> ait = theHub.albums();
- while (ait.hasNext()) {
- Album al = ait.next();
- System.out.println(al.getTitle());
- }
- String titleAlbum = scan.nextLine();
- try {
- theHub.addElementToAlbum(songTitle, titleAlbum);
- } catch (NoAlbumFoundException | NoElementFoundException ex) {
- System.out.println(ex.getMessage());
- }
- System.out.println("Song added to the album!");
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'l':
- // add a new audiobook
- System.out.println("Enter a new audiobook: ");
- System.out.println("AudioBook title: ");
- String bTitle = scan.nextLine();
- System.out.println("AudioBook category (youth, novel, theater, documentary, speech)");
- String bCategory = scan.nextLine();
- System.out.println("AudioBook artist: ");
- String bArtist = scan.nextLine();
- System.out.println("AudioBook length in seconds: ");
- int bLength = Integer.parseInt(scan.nextLine());
- System.out.println("AudioBook content: ");
- String bContent = scan.nextLine();
- System.out.println("AudioBook language (french, english, italian, spanish, german)");
- String bLanguage = scan.nextLine();
- AudioBook b = new AudioBook(bTitle, bArtist, bLength, bContent, bLanguage, bCategory);
- theHub.addElement(b);
- System.out.println("Audiobook created! New element list: ");
- Iterator<AudioElement> itl = theHub.elements();
- while (itl.hasNext()) System.out.println(itl.next().getTitle());
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 'p':
- //create a new playlist from existing elements
- System.out.println("Add an existing song or audiobook to a new playlist");
- System.out.println("Existing playlists:");
- Iterator<PlayList> itpl = theHub.playlists();
- while (itpl.hasNext()) {
- PlayList pl = itpl.next();
- System.out.println(pl.getTitle());
- }
- System.out.println("Type the name of the playlist you wish to create:");
- String playListTitle = scan.nextLine();
- PlayList pl = new PlayList(playListTitle);
- theHub.addPlaylist(pl);
- System.out.println("Available elements: ");
-
- Iterator<AudioElement> itael = theHub.elements();
- while (itael.hasNext()) {
- AudioElement ae = itael.next();
- System.out.println(ae.getTitle());
- }
- while (choice.charAt(0) != 'n') {
- System.out.println("Type the name of the audio element you wish to add or 'n' to exit:");
- String elementTitle = scan.nextLine();
- try {
- theHub.addElementToPlayList(elementTitle, playListTitle);
- } catch (NoPlayListFoundException | NoElementFoundException ex) {
- System.out.println(ex.getMessage());
- }
-
- System.out.println("Type y to add a new one, n to end");
- choice = scan.nextLine();
- }
- System.out.println("Playlist created!");
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case '-':
- //delete a playlist
- System.out.println("Delete an existing playlist. Available playlists:");
- Iterator<PlayList> itp = theHub.playlists();
- while (itp.hasNext()) {
- PlayList p = itp.next();
- System.out.println(p.getTitle());
- }
- String plTitle = scan.nextLine();
- try {
- theHub.deletePlayList(plTitle);
- } catch (NoPlayListFoundException ex) {
- System.out.println(ex.getMessage());
- }
- System.out.println("Playlist deleted!");
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- case 's':
- //save elements, albums, playlists
- theHub.saveElements();
- theHub.saveAlbums();
- theHub.savePlayLists();
- System.out.println("Elements, albums and playlists saved!");
- printAvailableCommands();
- choice = scan.nextLine();
- break;
- default:
-
- break;
- }
- }
- scan.close();
- }
-
- private static void printAvailableCommands() {
- System.out.println("t: display the album titles, ordered by date");
- System.out.println("g: display songs of an album, ordered by genre");
- System.out.println("d: display songs of an album");
- System.out.println("u: display audiobooks ordered by author");
- System.out.println("c: add a new song");
- System.out.println("a: add a new album");
- System.out.println("+: add a song to an album");
- System.out.println("l: add a new audiobook");
- System.out.println("p: create a new playlist from existing songs and audio books");
- System.out.println("-: delete an existing playlist");
- System.out.println("s: save elements, albums, playlists");
- System.out.println("q: quit program");
- }
-} \ No newline at end of file
diff --git a/src/musichub/util/XMLHandler.java b/src/musichub/util/XMLHandler.java
deleted file mode 100644
index 4b61842..0000000
--- a/src/musichub/util/XMLHandler.java
+++ /dev/null
@@ -1,74 +0,0 @@
-package musichub.util;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.NodeList;
-import org.xml.sax.SAXException;
-
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-import java.io.File;
-import java.io.IOException;
-
-
-public class XMLHandler {
- TransformerFactory transformerFactory;
- Transformer transformer;
- DocumentBuilderFactory documentFactory;
- DocumentBuilder documentBuilder;
-
- public XMLHandler() {
- try {
- transformerFactory = TransformerFactory.newInstance();
- transformer = transformerFactory.newTransformer();
- documentFactory = DocumentBuilderFactory.newInstance();
- documentBuilder = documentFactory.newDocumentBuilder();
- } catch (TransformerException | ParserConfigurationException tfe) {
- tfe.printStackTrace();
- }
- }
-
- public void createXMLFile(Document document, String filePath) {
- try {
- // create the xml file
- //transform the DOM Object to an XML File
- DOMSource domSource = new DOMSource(document);
- StreamResult streamResult = new StreamResult(new File(filePath));
-
- // If you use
- // StreamResult result = new StreamResult(System.out);
- // the output will be pushed to the standard output ...
- // You can use that for debugging
-
- transformer.transform(domSource, streamResult);
-
- } catch (TransformerException tfe) {
- tfe.printStackTrace();
- }
- }
-
- public Document createXMLDocument() {
- return documentBuilder.newDocument();
- }
-
- public NodeList parseXMLFile(String filePath) {
- NodeList elementNodes = null;
- try {
- Document document = documentBuilder.parse(new File(filePath));
- Element root = document.getDocumentElement();
-
- elementNodes = root.getChildNodes();
- } catch (SAXException | IOException e) {
- e.printStackTrace();
- }
- return elementNodes;
- }
-
-
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 19:31:32 +0000