<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="fr"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>Main.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">spoteezer</a> > <a href="index.source.html" class="el_package">musichub.main</a> > <span class="el_source">Main.java</span></div><h1>Main.java</h1><pre class="source lang-java linenums">package musichub.main;
import musichub.business.*;
import musichub.util.LogHandler;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;
import static musichub.util.PathValidation.isPathValid;
<span class="nc" id="L15">public class Main {</span>
public static void main(String[] args) throws UnsupportedAudioFileException, IOException, LineUnavailableException, NoAlbumFoundException {
<span class="nc" id="L18"></span>
MusicHub theHub = new MusicHub();
<span class="nc" id="L20"></span>
System.out.println("Type h for available commands");
<span class="nc" id="L23"></span>
<span class="nc" id="L24"> Scanner scan = new Scanner(System.in);</span>
String choice = scan.nextLine();
String albumTitle;
<span class="nc bnc" id="L28" title="All 2 branches missed."></span>
if (choice.length() == 0) System.exit(0);
<span class="nc bnc" id="L30" title="All 2 branches missed."></span>
<span class="nc bnc" id="L31" title="All 15 branches missed."> while (!choice.equals("")) { //if the user puts nothing, quit the loop/system</span>
switch (choice.charAt(0)) {
<span class="nc" id="L33"> case 'q': //added the option directly in the switch instead of the loop</span>
System.exit(0);
<span class="nc" id="L35"> case 'h':</span>
<span class="nc" id="L36"> printAvailableCommands();</span>
<span class="nc" id="L37"> choice = scan.nextLine();</span>
break;
case 't':
<span class="nc" id="L40"> //album titles, ordered by date</span>
<span class="nc" id="L41"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L42"> printAvailableCommands();</span>
<span class="nc" id="L43"> choice = scan.nextLine();</span>
break;
case 'g':
<span class="nc" id="L46"> //songs of an album, sorted by genre</span>
<span class="nc" id="L47"> System.out.println("Songs of an album sorted by genre will be displayed; enter the album name, available albums are:");</span>
System.out.println(theHub.getAlbumsTitlesSortedByDate());
<span class="nc" id="L49"></span>
albumTitle = scan.nextLine();
<span class="nc" id="L51"> try {</span>
<span class="nc" id="L52"> List<Song> songs = theHub.getAlbumSongsSortedByGenre(albumTitle);</span>
<span class="nc" id="L53"> System.out.println(songs);</span>
<span class="nc" id="L54"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L55"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L56"> }</span>
<span class="nc" id="L57"> printAvailableCommands();</span>
<span class="nc" id="L58"> choice = scan.nextLine();</span>
break;
case 'd':
<span class="nc" id="L61"> //songs of an album</span>
<span class="nc" id="L62"> System.out.println("Songs of an album will be displayed; enter the album name, available albums are:");</span>
System.out.println(theHub.getAlbumsTitlesSortedByDate());
<span class="nc" id="L64"></span>
albumTitle = scan.nextLine();
<span class="nc" id="L66"> try {</span>
<span class="nc" id="L67"> List<AudioElement> songs = theHub.getAlbumSongs(albumTitle);</span>
<span class="nc" id="L68"> System.out.println(theHub.getAlbumSongs(albumTitle));</span>
<span class="nc" id="L69"> String song = scan.nextLine();</span>
<span class="nc" id="L70"> theHub.getAudioElement(songs, song);</span>
<span class="nc" id="L71"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L72"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L73"> }</span>
<span class="nc" id="L74"> printAvailableCommands();</span>
<span class="nc" id="L75"> choice = scan.nextLine();</span>
break;
case 'u':
<span class="nc" id="L78"> //audiobooks ordered by author</span>
<span class="nc" id="L79"> System.out.println(theHub.getAudiobooksTitlesSortedByAuthor());</span>
<span class="nc" id="L80"> printAvailableCommands();</span>
<span class="nc" id="L81"> choice = scan.nextLine();</span>
break;
case 'c':
<span class="nc" id="L84"> // add a new song</span>
<span class="nc" id="L85"> System.out.println("Enter a new song: ");</span>
<span class="nc" id="L86"> System.out.println("Song title: ");</span>
<span class="nc" id="L87"> String title = scan.nextLine();</span>
<span class="nc" id="L88"> System.out.println("Song genre (jazz, classic, hiphop, rock, pop, rap):");</span>
<span class="nc" id="L89"> String genre = scan.nextLine();</span>
<span class="nc" id="L90"> System.out.println("Song artist: ");</span>
<span class="nc" id="L91"> String artist = scan.nextLine();</span>
<span class="nc" id="L92"> System.out.println("Song length in seconds: ");</span>
int length = Integer.parseInt(scan.nextLine());
<span class="nc" id="L94"></span>
<span class="nc" id="L95"> System.out.println("Song content: ");</span>
<span class="nc bnc" id="L96" title="All 2 branches missed."> String content = scan.nextLine();</span>
<span class="nc" id="L97"> if (!isPathValid(content)) {</span>
<span class="nc" id="L98"> String logMsg = "The music file was not found with the path you've provided or the extension is not .wav";</span>
<span class="nc" id="L99"> LogHandler.write(logMsg, "WARNING"); //write a line in the log file</span>
<span class="nc" id="L100"> System.out.println(logMsg + "\nType h for available commands");</span>
<span class="nc" id="L101"> choice = scan.nextLine();</span>
break;
}
<span class="nc" id="L104"></span>
<span class="nc" id="L105"> Song s = new Song(title, artist, length, content, genre);</span>
<span class="nc" id="L106"> theHub.addElement(s);</span>
<span class="nc" id="L107"> System.out.println("New element list: ");</span>
<span class="nc bnc" id="L108" title="All 2 branches missed."> Iterator<AudioElement> it = theHub.elements();</span>
<span class="nc" id="L109"> while (it.hasNext()) System.out.println(it.next().getTitle());</span>
<span class="nc" id="L110"> System.out.println("Song created!");</span>
<span class="nc" id="L111"> printAvailableCommands();</span>
<span class="nc" id="L112"> choice = scan.nextLine();</span>
break;
case 'a':
<span class="nc" id="L115"> // add a new album</span>
<span class="nc" id="L116"> System.out.println("Enter a new album: ");</span>
<span class="nc" id="L117"> System.out.println("Album title: ");</span>
<span class="nc" id="L118"> String aTitle = scan.nextLine();</span>
<span class="nc" id="L119"> System.out.println("Album artist: ");</span>
<span class="nc" id="L120"> String aArtist = scan.nextLine();</span>
<span class="nc" id="L121"> System.out.println("Album length in seconds: ");</span>
<span class="nc" id="L122"> int aLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L123"> System.out.println("Album date as YYYY-DD-MM: ");</span>
<span class="nc" id="L124"> String aDate = scan.nextLine();</span>
<span class="nc" id="L125"> Album a = new Album(aTitle, aArtist, aLength, aDate);</span>
<span class="nc" id="L126"> theHub.addAlbum(a);</span>
<span class="nc" id="L127"> System.out.println("New list of albums: ");</span>
<span class="nc bnc" id="L128" title="All 2 branches missed."> Iterator<Album> ita = theHub.albums();</span>
<span class="nc" id="L129"> while (ita.hasNext()) System.out.println(ita.next().getTitle());</span>
<span class="nc" id="L130"> System.out.println("Album created!");</span>
<span class="nc" id="L131"> printAvailableCommands();</span>
<span class="nc" id="L132"> choice = scan.nextLine();</span>
break;
case '+':
<span class="nc" id="L135"> //add a song to an album:</span>
<span class="nc" id="L136"> System.out.println("Add an existing song to an existing album");</span>
<span class="nc" id="L137"> System.out.println("Type the name of the song you wish to add. Available songs: ");</span>
<span class="nc bnc" id="L138" title="All 2 branches missed."> Iterator<AudioElement> itae = theHub.elements();</span>
<span class="nc" id="L139"> while (itae.hasNext()) {</span>
<span class="nc bnc" id="L140" title="All 2 branches missed."> AudioElement ae = itae.next();</span>
<span class="nc" id="L141"> if (ae instanceof Song) System.out.println(ae.getTitle());</span>
<span class="nc" id="L142"> }</span>
String songTitle = scan.nextLine();
<span class="nc" id="L144"></span>
<span class="nc" id="L145"> System.out.println("Type the name of the album you wish to enrich. Available albums: ");</span>
<span class="nc bnc" id="L146" title="All 2 branches missed."> Iterator<Album> ait = theHub.albums();</span>
<span class="nc" id="L147"> while (ait.hasNext()) {</span>
<span class="nc" id="L148"> Album al = ait.next();</span>
<span class="nc" id="L149"> System.out.println(al.getTitle());</span>
<span class="nc" id="L150"> }</span>
String titleAlbum = scan.nextLine();
<span class="nc" id="L152"> try {</span>
<span class="nc" id="L153"> theHub.addElementToAlbum(songTitle, titleAlbum);</span>
<span class="nc" id="L154"> } catch (NoAlbumFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L155"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L156"> }</span>
<span class="nc" id="L157"> System.out.println("Song added to the album!");</span>
<span class="nc" id="L158"> printAvailableCommands();</span>
<span class="nc" id="L159"> choice = scan.nextLine();</span>
break;
case 'l':
<span class="nc" id="L162"> // add a new audiobook</span>
<span class="nc" id="L163"> System.out.println("Enter a new audiobook: ");</span>
<span class="nc" id="L164"> System.out.println("AudioBook title: ");</span>
<span class="nc" id="L165"> String bTitle = scan.nextLine();</span>
<span class="nc" id="L166"> System.out.println("AudioBook category (youth, novel, theater, documentary, speech)");</span>
<span class="nc" id="L167"> String bCategory = scan.nextLine();</span>
<span class="nc" id="L168"> System.out.println("AudioBook artist: ");</span>
<span class="nc" id="L169"> String bArtist = scan.nextLine();</span>
<span class="nc" id="L170"> System.out.println("AudioBook length in seconds: ");</span>
<span class="nc" id="L171"> int bLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L172"> System.out.println("AudioBook content: ");</span>
<span class="nc" id="L173"> String bContent = scan.nextLine();</span>
<span class="nc" id="L174"> System.out.println("AudioBook language (french, english, italian, spanish, german)");</span>
<span class="nc" id="L175"> String bLanguage = scan.nextLine();</span>
<span class="nc" id="L176"> AudioBook b = new AudioBook(bTitle, bArtist, bLength, bContent, bLanguage, bCategory);</span>
<span class="nc" id="L177"> theHub.addElement(b);</span>
<span class="nc" id="L178"> System.out.println("Audiobook created! New element list: ");</span>
<span class="nc bnc" id="L179" title="All 2 branches missed."> Iterator<AudioElement> itl = theHub.elements();</span>
<span class="nc" id="L180"> while (itl.hasNext()) System.out.println(itl.next().getTitle());</span>
<span class="nc" id="L181"> printAvailableCommands();</span>
<span class="nc" id="L182"> choice = scan.nextLine();</span>
break;
case 'p':
<span class="nc" id="L185"> //create a new playlist from existing elements</span>
<span class="nc" id="L186"> System.out.println("Add an existing song or audiobook to a new playlist");</span>
<span class="nc" id="L187"> System.out.println("Existing playlists:");</span>
<span class="nc bnc" id="L188" title="All 2 branches missed."> Iterator<PlayList> itpl = theHub.playlists();</span>
<span class="nc" id="L189"> while (itpl.hasNext()) {</span>
<span class="nc" id="L190"> PlayList pl = itpl.next();</span>
<span class="nc" id="L191"> System.out.println(pl.getTitle());</span>
<span class="nc" id="L192"> }</span>
<span class="nc" id="L193"> System.out.println("Type the name of the playlist you wish to create:");</span>
<span class="nc" id="L194"> String playListTitle = scan.nextLine();</span>
<span class="nc" id="L195"> PlayList pl = new PlayList(playListTitle);</span>
<span class="nc" id="L196"> theHub.addPlaylist(pl);</span>
System.out.println("Available elements: ");
<span class="nc" id="L198"></span>
<span class="nc bnc" id="L199" title="All 2 branches missed."> Iterator<AudioElement> itael = theHub.elements();</span>
<span class="nc" id="L200"> while (itael.hasNext()) {</span>
<span class="nc" id="L201"> AudioElement ae = itael.next();</span>
<span class="nc" id="L202"> System.out.println(ae.getTitle());</span>
<span class="nc bnc" id="L203" title="All 2 branches missed."> }</span>
<span class="nc" id="L204"> while (choice.charAt(0) != 'n') {</span>
<span class="nc" id="L205"> System.out.println("Type the name of the audio element you wish to add or 'n' to exit:");</span>
String elementTitle = scan.nextLine();
<span class="nc" id="L207"> try {</span>
<span class="nc" id="L208"> theHub.addElementToPlayList(elementTitle, playListTitle);</span>
<span class="nc" id="L209"> } catch (NoPlayListFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L210"> System.out.println(ex.getMessage());</span>
}
<span class="nc" id="L212"></span>
<span class="nc" id="L213"> System.out.println("Type y to add a new one, n to end");</span>
<span class="nc" id="L214"> choice = scan.nextLine();</span>
<span class="nc" id="L215"> }</span>
<span class="nc" id="L216"> System.out.println("Playlist created!");</span>
<span class="nc" id="L217"> printAvailableCommands();</span>
<span class="nc" id="L218"> choice = scan.nextLine();</span>
break;
case '-':
<span class="nc" id="L221"> //delete a playlist</span>
<span class="nc" id="L222"> System.out.println("Delete an existing playlist. Available playlists:");</span>
<span class="nc bnc" id="L223" title="All 2 branches missed."> Iterator<PlayList> itp = theHub.playlists();</span>
<span class="nc" id="L224"> while (itp.hasNext()) {</span>
<span class="nc" id="L225"> PlayList p = itp.next();</span>
<span class="nc" id="L226"> System.out.println(p.getTitle());</span>
<span class="nc" id="L227"> }</span>
String plTitle = scan.nextLine();
<span class="nc" id="L229"> try {</span>
<span class="nc" id="L230"> theHub.deletePlayList(plTitle);</span>
<span class="nc" id="L231"> } catch (NoPlayListFoundException ex) {</span>
<span class="nc" id="L232"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L233"> }</span>
<span class="nc" id="L234"> System.out.println("Playlist deleted!");</span>
<span class="nc" id="L235"> printAvailableCommands();</span>
<span class="nc" id="L236"> choice = scan.nextLine();</span>
break;
case 's':
<span class="nc" id="L239"> //save elements, albums, playlists</span>
<span class="nc" id="L240"> theHub.saveElements();</span>
<span class="nc" id="L241"> theHub.saveAlbums();</span>
<span class="nc" id="L242"> theHub.savePlayLists();</span>
<span class="nc" id="L243"> System.out.println("Elements, albums and playlists saved!");</span>
<span class="nc" id="L244"> printAvailableCommands();</span>
<span class="nc" id="L245"> choice = scan.nextLine();</span>
break;
case 'r':
<span class="nc" id="L248"> //search a music</span>
<span class="nc" id="L249"> theHub.searchAudioElement();</span>
<span class="nc" id="L250"> printAvailableCommands();</span>
<span class="nc" id="L251"> case 'o':</span>
//consult the app logs
LogHandler.read();
<span class="nc" id="L254"> System.out.println("Type h for available commands");</span>
choice = scan.nextLine();
break;
<span class="nc" id="L257"> default:</span>
<span class="nc" id="L258"></span>
break;
}
<span class="nc" id="L261"> }</span>
<span class="nc" id="L262"> scan.close();</span>
<span class="nc" id="L263"> }</span>
<span class="nc" id="L264"></span>
<span class="nc" id="L265"> private static void printAvailableCommands() {</span>
<span class="nc" id="L266"> System.out.println("t: display the album titles, ordered by date");</span>
<span class="nc" id="L267"> System.out.println("g: display songs of an album, ordered by genre");</span>
<span class="nc" id="L268"> System.out.println("d: display songs of an album");</span>
<span class="nc" id="L269"> System.out.println("u: display audiobooks ordered by author");</span>
<span class="nc" id="L270"> System.out.println("r: search audio elements");</span>
<span class="nc" id="L271"> System.out.println("c: add a new song");</span>
<span class="nc" id="L272"> System.out.println("a: add a new album");</span>
<span class="nc" id="L273"> System.out.println("+: add a song to an album");</span>
<span class="nc" id="L274"> System.out.println("l: add a new audiobook");</span>
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("o: consult the app logs");
System.out.println("q: quit program");
}
}
</pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.7.202105040129</span></div></body></html>