<?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 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.business.PathValidation.isPathValid;
<span class="nc" id="L14">public class Main {</span>
public static void main(String[] args) throws UnsupportedAudioFileException, IOException, LineUnavailableException {
<span class="nc" id="L17"> MusicHub theHub = new MusicHub();</span>
<span class="nc" id="L19"> System.out.println("Type h for available commands");</span>
<span class="nc" id="L22"> Scanner scan = new Scanner(System.in);</span>
<span class="nc" id="L23"> String choice = scan.nextLine();</span>
String albumTitle;
<span class="nc bnc" id="L27" title="All 2 branches missed."> if (choice.length() == 0) System.exit(0);</span>
<span class="nc bnc" id="L29" title="All 2 branches missed."> while (!choice.equals("")) { //if the user puts nothing, quit the loop/system</span>
<span class="nc bnc" id="L30" title="All 14 branches missed."> switch (choice.charAt(0)) {</span>
case 'q': //added the option directly in the switch instead of the loop
<span class="nc" id="L32"> System.exit(0);</span>
case 'h':
<span class="nc" id="L34"> printAvailableCommands();</span>
<span class="nc" id="L35"> choice = scan.nextLine();</span>
<span class="nc" id="L36"> break;</span>
case 't':
//album titles, ordered by date
<span class="nc" id="L39"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L40"> printAvailableCommands();</span>
<span class="nc" id="L41"> choice = scan.nextLine();</span>
<span class="nc" id="L42"> break;</span>
case 'g':
//songs of an album, sorted by genre
<span class="nc" id="L45"> System.out.println("Songs of an album sorted by genre will be displayed; enter the album name, available albums are:");</span>
<span class="nc" id="L46"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L48"> albumTitle = scan.nextLine();</span>
try {
<span class="nc" id="L50"> List<Song> songs = theHub.getAlbumSongsSortedByGenre(albumTitle);</span>
<span class="nc" id="L51"> System.out.println(songs);</span>
<span class="nc" id="L52"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L53"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L54"> }</span>
<span class="nc" id="L55"> printAvailableCommands();</span>
<span class="nc" id="L56"> choice = scan.nextLine();</span>
<span class="nc" id="L57"> break;</span>
case 'd':
//songs of an album
<span class="nc" id="L60"> System.out.println("Songs of an album will be displayed; enter the album name, available albums are:");</span>
<span class="nc" id="L61"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L63"> albumTitle = scan.nextLine();</span>
try {
<span class="nc" id="L65"> List<AudioElement> songs = theHub.getAlbumSongs(albumTitle);</span>
<span class="nc" id="L66"> System.out.println(theHub.getAlbumSongs(albumTitle));</span>
<span class="nc" id="L67"> String song = scan.nextLine();</span>
<span class="nc" id="L68"> theHub.getAudioElement(songs, song);</span>
<span class="nc" id="L69"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L70"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L71"> }</span>
<span class="nc" id="L72"> printAvailableCommands();</span>
<span class="nc" id="L73"> choice = scan.nextLine();</span>
<span class="nc" id="L74"> break;</span>
case 'u':
//audiobooks ordered by author
<span class="nc" id="L77"> System.out.println(theHub.getAudiobooksTitlesSortedByAuthor());</span>
<span class="nc" id="L78"> printAvailableCommands();</span>
<span class="nc" id="L79"> choice = scan.nextLine();</span>
<span class="nc" id="L80"> break;</span>
case 'c':
// add a new song
<span class="nc" id="L83"> System.out.println("Enter a new song: ");</span>
<span class="nc" id="L84"> System.out.println("Song title: ");</span>
<span class="nc" id="L85"> String title = scan.nextLine();</span>
<span class="nc" id="L86"> System.out.println("Song genre (jazz, classic, hiphop, rock, pop, rap):");</span>
<span class="nc" id="L87"> String genre = scan.nextLine();</span>
<span class="nc" id="L88"> System.out.println("Song artist: ");</span>
<span class="nc" id="L89"> String artist = scan.nextLine();</span>
<span class="nc" id="L90"> System.out.println("Song length in seconds: ");</span>
<span class="nc" id="L91"> int length = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L93"> System.out.println("Song content: ");</span>
<span class="nc" id="L94"> String content = scan.nextLine();</span>
<span class="nc bnc" id="L95" title="All 2 branches missed."> if (!isPathValid(content)) {</span>
<span class="nc" id="L96"> System.out.println("The music file was not found with the path you've provided.\nType h for available commands");</span>
<span class="nc" id="L97"> choice = scan.nextLine();</span>
<span class="nc" id="L98"> break;</span>
}
<span class="nc" id="L101"> Song s = new Song(title, artist, length, content, genre);</span>
<span class="nc" id="L102"> theHub.addElement(s);</span>
<span class="nc" id="L103"> System.out.println("New element list: ");</span>
<span class="nc" id="L104"> Iterator<AudioElement> it = theHub.elements();</span>
<span class="nc bnc" id="L105" title="All 2 branches missed."> while (it.hasNext()) System.out.println(it.next().getTitle());</span>
<span class="nc" id="L106"> System.out.println("Song created!");</span>
<span class="nc" id="L107"> printAvailableCommands();</span>
<span class="nc" id="L108"> choice = scan.nextLine();</span>
<span class="nc" id="L109"> break;</span>
case 'a':
// add a new album
<span class="nc" id="L112"> System.out.println("Enter a new album: ");</span>
<span class="nc" id="L113"> System.out.println("Album title: ");</span>
<span class="nc" id="L114"> String aTitle = scan.nextLine();</span>
<span class="nc" id="L115"> System.out.println("Album artist: ");</span>
<span class="nc" id="L116"> String aArtist = scan.nextLine();</span>
<span class="nc" id="L117"> System.out.println("Album length in seconds: ");</span>
<span class="nc" id="L118"> int aLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L119"> System.out.println("Album date as YYYY-DD-MM: ");</span>
<span class="nc" id="L120"> String aDate = scan.nextLine();</span>
<span class="nc" id="L121"> Album a = new Album(aTitle, aArtist, aLength, aDate);</span>
<span class="nc" id="L122"> theHub.addAlbum(a);</span>
<span class="nc" id="L123"> System.out.println("New list of albums: ");</span>
<span class="nc" id="L124"> Iterator<Album> ita = theHub.albums();</span>
<span class="nc bnc" id="L125" title="All 2 branches missed."> while (ita.hasNext()) System.out.println(ita.next().getTitle());</span>
<span class="nc" id="L126"> System.out.println("Album created!");</span>
<span class="nc" id="L127"> printAvailableCommands();</span>
<span class="nc" id="L128"> choice = scan.nextLine();</span>
<span class="nc" id="L129"> break;</span>
case '+':
//add a song to an album:
<span class="nc" id="L132"> System.out.println("Add an existing song to an existing album");</span>
<span class="nc" id="L133"> System.out.println("Type the name of the song you wish to add. Available songs: ");</span>
<span class="nc" id="L134"> Iterator<AudioElement> itae = theHub.elements();</span>
<span class="nc bnc" id="L135" title="All 2 branches missed."> while (itae.hasNext()) {</span>
<span class="nc" id="L136"> AudioElement ae = itae.next();</span>
<span class="nc bnc" id="L137" title="All 2 branches missed."> if (ae instanceof Song) System.out.println(ae.getTitle());</span>
<span class="nc" id="L138"> }</span>
<span class="nc" id="L139"> String songTitle = scan.nextLine();</span>
<span class="nc" id="L141"> System.out.println("Type the name of the album you wish to enrich. Available albums: ");</span>
<span class="nc" id="L142"> Iterator<Album> ait = theHub.albums();</span>
<span class="nc bnc" id="L143" title="All 2 branches missed."> while (ait.hasNext()) {</span>
<span class="nc" id="L144"> Album al = ait.next();</span>
<span class="nc" id="L145"> System.out.println(al.getTitle());</span>
<span class="nc" id="L146"> }</span>
<span class="nc" id="L147"> String titleAlbum = scan.nextLine();</span>
try {
<span class="nc" id="L149"> theHub.addElementToAlbum(songTitle, titleAlbum);</span>
<span class="nc" id="L150"> } catch (NoAlbumFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L151"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L152"> }</span>
<span class="nc" id="L153"> System.out.println("Song added to the album!");</span>
<span class="nc" id="L154"> printAvailableCommands();</span>
<span class="nc" id="L155"> choice = scan.nextLine();</span>
<span class="nc" id="L156"> break;</span>
case 'l':
// add a new audiobook
<span class="nc" id="L159"> System.out.println("Enter a new audiobook: ");</span>
<span class="nc" id="L160"> System.out.println("AudioBook title: ");</span>
<span class="nc" id="L161"> String bTitle = scan.nextLine();</span>
<span class="nc" id="L162"> System.out.println("AudioBook category (youth, novel, theater, documentary, speech)");</span>
<span class="nc" id="L163"> String bCategory = scan.nextLine();</span>
<span class="nc" id="L164"> System.out.println("AudioBook artist: ");</span>
<span class="nc" id="L165"> String bArtist = scan.nextLine();</span>
<span class="nc" id="L166"> System.out.println("AudioBook length in seconds: ");</span>
<span class="nc" id="L167"> int bLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L168"> System.out.println("AudioBook content: ");</span>
<span class="nc" id="L169"> String bContent = scan.nextLine();</span>
<span class="nc" id="L170"> System.out.println("AudioBook language (french, english, italian, spanish, german)");</span>
<span class="nc" id="L171"> String bLanguage = scan.nextLine();</span>
<span class="nc" id="L172"> AudioBook b = new AudioBook(bTitle, bArtist, bLength, bContent, bLanguage, bCategory);</span>
<span class="nc" id="L173"> theHub.addElement(b);</span>
<span class="nc" id="L174"> System.out.println("Audiobook created! New element list: ");</span>
<span class="nc" id="L175"> Iterator<AudioElement> itl = theHub.elements();</span>
<span class="nc bnc" id="L176" title="All 2 branches missed."> while (itl.hasNext()) System.out.println(itl.next().getTitle());</span>
<span class="nc" id="L177"> printAvailableCommands();</span>
<span class="nc" id="L178"> choice = scan.nextLine();</span>
<span class="nc" id="L179"> break;</span>
case 'p':
//create a new playlist from existing elements
<span class="nc" id="L182"> System.out.println("Add an existing song or audiobook to a new playlist");</span>
<span class="nc" id="L183"> System.out.println("Existing playlists:");</span>
<span class="nc" id="L184"> Iterator<PlayList> itpl = theHub.playlists();</span>
<span class="nc bnc" id="L185" title="All 2 branches missed."> while (itpl.hasNext()) {</span>
<span class="nc" id="L186"> PlayList pl = itpl.next();</span>
<span class="nc" id="L187"> System.out.println(pl.getTitle());</span>
<span class="nc" id="L188"> }</span>
<span class="nc" id="L189"> System.out.println("Type the name of the playlist you wish to create:");</span>
<span class="nc" id="L190"> String playListTitle = scan.nextLine();</span>
<span class="nc" id="L191"> PlayList pl = new PlayList(playListTitle);</span>
<span class="nc" id="L192"> theHub.addPlaylist(pl);</span>
<span class="nc" id="L193"> System.out.println("Available elements: ");</span>
<span class="nc" id="L195"> Iterator<AudioElement> itael = theHub.elements();</span>
<span class="nc bnc" id="L196" title="All 2 branches missed."> while (itael.hasNext()) {</span>
<span class="nc" id="L197"> AudioElement ae = itael.next();</span>
<span class="nc" id="L198"> System.out.println(ae.getTitle());</span>
<span class="nc" id="L199"> }</span>
<span class="nc bnc" id="L200" title="All 2 branches missed."> while (choice.charAt(0) != 'n') {</span>
<span class="nc" id="L201"> System.out.println("Type the name of the audio element you wish to add or 'n' to exit:");</span>
<span class="nc" id="L202"> String elementTitle = scan.nextLine();</span>
try {
<span class="nc" id="L204"> theHub.addElementToPlayList(elementTitle, playListTitle);</span>
<span class="nc" id="L205"> } catch (NoPlayListFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L206"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L207"> }</span>
<span class="nc" id="L209"> System.out.println("Type y to add a new one, n to end");</span>
<span class="nc" id="L210"> choice = scan.nextLine();</span>
<span class="nc" id="L211"> }</span>
<span class="nc" id="L212"> System.out.println("Playlist created!");</span>
<span class="nc" id="L213"> printAvailableCommands();</span>
<span class="nc" id="L214"> choice = scan.nextLine();</span>
<span class="nc" id="L215"> break;</span>
case '-':
//delete a playlist
<span class="nc" id="L218"> System.out.println("Delete an existing playlist. Available playlists:");</span>
<span class="nc" id="L219"> Iterator<PlayList> itp = theHub.playlists();</span>
<span class="nc bnc" id="L220" title="All 2 branches missed."> while (itp.hasNext()) {</span>
<span class="nc" id="L221"> PlayList p = itp.next();</span>
<span class="nc" id="L222"> System.out.println(p.getTitle());</span>
<span class="nc" id="L223"> }</span>
<span class="nc" id="L224"> String plTitle = scan.nextLine();</span>
try {
<span class="nc" id="L226"> theHub.deletePlayList(plTitle);</span>
<span class="nc" id="L227"> } catch (NoPlayListFoundException ex) {</span>
<span class="nc" id="L228"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L229"> }</span>
<span class="nc" id="L230"> System.out.println("Playlist deleted!");</span>
<span class="nc" id="L231"> printAvailableCommands();</span>
<span class="nc" id="L232"> choice = scan.nextLine();</span>
<span class="nc" id="L233"> break;</span>
case 's':
//save elements, albums, playlists
<span class="nc" id="L236"> theHub.saveElements();</span>
<span class="nc" id="L237"> theHub.saveAlbums();</span>
<span class="nc" id="L238"> theHub.savePlayLists();</span>
<span class="nc" id="L239"> System.out.println("Elements, albums and playlists saved!");</span>
<span class="nc" id="L240"> printAvailableCommands();</span>
<span class="nc" id="L241"> choice = scan.nextLine();</span>
<span class="nc" id="L242"> break;</span>
default:
<span class="nc" id="L245"> break;</span>
}
}
<span class="nc" id="L248"> scan.close();</span>
<span class="nc" id="L249"> }</span>
private static void printAvailableCommands() {
<span class="nc" id="L252"> System.out.println("t: display the album titles, ordered by date");</span>
<span class="nc" id="L253"> System.out.println("g: display songs of an album, ordered by genre");</span>
<span class="nc" id="L254"> System.out.println("d: display songs of an album");</span>
<span class="nc" id="L255"> System.out.println("u: display audiobooks ordered by author");</span>
<span class="nc" id="L256"> System.out.println("c: add a new song");</span>
<span class="nc" id="L257"> System.out.println("a: add a new album");</span>
<span class="nc" id="L258"> System.out.println("+: add a song to an album");</span>
<span class="nc" id="L259"> System.out.println("l: add a new audiobook");</span>
<span class="nc" id="L260"> System.out.println("p: create a new playlist from existing songs and audio books");</span>
<span class="nc" id="L261"> System.out.println("-: delete an existing playlist");</span>
<span class="nc" id="L262"> System.out.println("s: save elements, albums, playlists");</span>
<span class="nc" id="L263"> System.out.println("q: quit program");</span>
<span class="nc" id="L264"> }</span>
}
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