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<?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;
import static musichub.util.Policy.showTerm;
<span class="nc" id="L16">public class Main {</span>
public static void main(String[] args) throws UnsupportedAudioFileException, IOException, LineUnavailableException, NoAlbumFoundException {
<span class="nc" id="L19"> showTerm();</span>
<span class="nc" id="L21"> MusicHub theHub = new MusicHub();</span>
<span class="nc" id="L23"> System.out.println("Type h for available commands");</span>
<span class="nc" id="L26"> Scanner scan = new Scanner(System.in);</span>
<span class="nc" id="L27"> String choice = scan.nextLine();</span>
String albumTitle;
<span class="nc bnc" id="L31" title="All 2 branches missed."> if (choice.length() == 0) System.exit(0);</span>
<span class="nc bnc" id="L33" title="All 2 branches missed."> while (!choice.equals("")) { //if the user puts nothing, quit the loop/system</span>
<span class="nc bnc" id="L34" title="All 16 branches missed."> switch (choice.charAt(0)) {</span>
case 'q': //added the option directly in the switch instead of the loop
<span class="nc" id="L36"> System.exit(0);</span>
case 'h':
<span class="nc" id="L38"> printAvailableCommands();</span>
<span class="nc" id="L39"> choice = scan.nextLine();</span>
<span class="nc" id="L40"> break;</span>
case 't':
//album titles, ordered by date
<span class="nc" id="L43"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L44"> printAvailableCommands();</span>
<span class="nc" id="L45"> choice = scan.nextLine();</span>
<span class="nc" id="L46"> break;</span>
case 'g':
//songs of an album, sorted by genre
<span class="nc" id="L49"> 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="L50"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L52"> albumTitle = scan.nextLine();</span>
try {
<span class="nc" id="L54"> List<Song> songs = theHub.getAlbumSongsSortedByGenre(albumTitle);</span>
<span class="nc" id="L55"> System.out.println(songs);</span>
<span class="nc" id="L56"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L57"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L58"> }</span>
<span class="nc" id="L59"> printAvailableCommands();</span>
<span class="nc" id="L60"> choice = scan.nextLine();</span>
<span class="nc" id="L61"> break;</span>
case 'd':
//songs of an album
<span class="nc" id="L64"> System.out.println("Songs of an album will be displayed; enter the album name, available albums are:");</span>
<span class="nc" id="L65"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L67"> albumTitle = scan.nextLine();</span>
try {
<span class="nc" id="L69"> List<AudioElement> songs = theHub.getAlbumSongs(albumTitle);</span>
<span class="nc" id="L70"> System.out.println(theHub.getAlbumSongs(albumTitle));</span>
<span class="nc" id="L71"> String song = scan.nextLine();</span>
<span class="nc" id="L72"> theHub.getAudioElement(songs, song);</span>
<span class="nc" id="L73"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L74"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L75"> }</span>
<span class="nc" id="L76"> printAvailableCommands();</span>
<span class="nc" id="L77"> choice = scan.nextLine();</span>
<span class="nc" id="L78"> break;</span>
case 'u':
//audiobooks ordered by author
<span class="nc" id="L81"> System.out.println(theHub.getAudiobooksTitlesSortedByAuthor());</span>
<span class="nc" id="L82"> printAvailableCommands();</span>
<span class="nc" id="L83"> choice = scan.nextLine();</span>
<span class="nc" id="L84"> break;</span>
case 'c':
// add a new song
<span class="nc" id="L87"> System.out.println("Enter a new song: ");</span>
<span class="nc" id="L88"> System.out.println("Song title: ");</span>
<span class="nc" id="L89"> String title = scan.nextLine();</span>
<span class="nc" id="L90"> System.out.println("Song genre (jazz, classic, hiphop, rock, pop, rap):");</span>
<span class="nc" id="L91"> String genre = scan.nextLine();</span>
<span class="nc" id="L92"> System.out.println("Song artist: ");</span>
<span class="nc" id="L93"> String artist = scan.nextLine();</span>
<span class="nc" id="L94"> System.out.println("Song length in seconds: ");</span>
<span class="nc" id="L95"> int length = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L97"> System.out.println("Song content: ");</span>
<span class="nc" id="L98"> String content = scan.nextLine();</span>
<span class="nc bnc" id="L99" title="All 2 branches missed."> if (!isPathValid(content)) {</span>
<span class="nc" id="L100"> 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="L101"> LogHandler.write(logMsg, "WARNING"); //write a line in the log file</span>
<span class="nc" id="L102"> System.out.println(logMsg + "\nType h for available commands");</span>
<span class="nc" id="L103"> choice = scan.nextLine();</span>
<span class="nc" id="L104"> break;</span>
}
<span class="nc" id="L107"> Song s = new Song(title, artist, length, content, genre);</span>
<span class="nc" id="L108"> theHub.addElement(s);</span>
<span class="nc" id="L109"> System.out.println("New element list: ");</span>
<span class="nc" id="L110"> Iterator<AudioElement> it = theHub.elements();</span>
<span class="nc bnc" id="L111" title="All 2 branches missed."> while (it.hasNext()) System.out.println(it.next().getTitle());</span>
<span class="nc" id="L112"> System.out.println("Song created!");</span>
<span class="nc" id="L113"> printAvailableCommands();</span>
<span class="nc" id="L114"> choice = scan.nextLine();</span>
<span class="nc" id="L115"> break;</span>
case 'a':
// add a new album
<span class="nc" id="L118"> System.out.println("Enter a new album: ");</span>
<span class="nc" id="L119"> System.out.println("Album title: ");</span>
<span class="nc" id="L120"> String aTitle = scan.nextLine();</span>
<span class="nc" id="L121"> System.out.println("Album artist: ");</span>
<span class="nc" id="L122"> String aArtist = scan.nextLine();</span>
<span class="nc" id="L123"> System.out.println("Album length in seconds: ");</span>
<span class="nc" id="L124"> int aLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L125"> System.out.println("Album date as YYYY-DD-MM: ");</span>
<span class="nc" id="L126"> String aDate = scan.nextLine();</span>
<span class="nc" id="L127"> Album a = new Album(aTitle, aArtist, aLength, aDate);</span>
<span class="nc" id="L128"> theHub.addAlbum(a);</span>
<span class="nc" id="L129"> System.out.println("New list of albums: ");</span>
<span class="nc" id="L130"> Iterator<Album> ita = theHub.albums();</span>
<span class="nc bnc" id="L131" title="All 2 branches missed."> while (ita.hasNext()) System.out.println(ita.next().getTitle());</span>
<span class="nc" id="L132"> System.out.println("Album created!");</span>
<span class="nc" id="L133"> printAvailableCommands();</span>
<span class="nc" id="L134"> choice = scan.nextLine();</span>
<span class="nc" id="L135"> break;</span>
case '+':
//add a song to an album:
<span class="nc" id="L138"> System.out.println("Add an existing song to an existing album");</span>
<span class="nc" id="L139"> System.out.println("Type the name of the song you wish to add. Available songs: ");</span>
<span class="nc" id="L140"> Iterator<AudioElement> itae = theHub.elements();</span>
<span class="nc bnc" id="L141" title="All 2 branches missed."> while (itae.hasNext()) {</span>
<span class="nc" id="L142"> AudioElement ae = itae.next();</span>
<span class="nc bnc" id="L143" title="All 2 branches missed."> if (ae instanceof Song) System.out.println(ae.getTitle());</span>
<span class="nc" id="L144"> }</span>
<span class="nc" id="L145"> String songTitle = scan.nextLine();</span>
<span class="nc" id="L147"> System.out.println("Type the name of the album you wish to enrich. Available albums: ");</span>
<span class="nc" id="L148"> Iterator<Album> ait = theHub.albums();</span>
<span class="nc bnc" id="L149" title="All 2 branches missed."> while (ait.hasNext()) {</span>
<span class="nc" id="L150"> Album al = ait.next();</span>
<span class="nc" id="L151"> System.out.println(al.getTitle());</span>
<span class="nc" id="L152"> }</span>
<span class="nc" id="L153"> String titleAlbum = scan.nextLine();</span>
try {
<span class="nc" id="L155"> theHub.addElementToAlbum(songTitle, titleAlbum);</span>
<span class="nc" id="L156"> } catch (NoAlbumFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L157"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L158"> }</span>
<span class="nc" id="L159"> System.out.println("Song added to the album!");</span>
<span class="nc" id="L160"> printAvailableCommands();</span>
<span class="nc" id="L161"> choice = scan.nextLine();</span>
<span class="nc" id="L162"> break;</span>
case 'l':
// add a new audiobook
<span class="nc" id="L165"> System.out.println("Enter a new audiobook: ");</span>
<span class="nc" id="L166"> System.out.println("AudioBook title: ");</span>
<span class="nc" id="L167"> String bTitle = scan.nextLine();</span>
<span class="nc" id="L168"> System.out.println("AudioBook category (youth, novel, theater, documentary, speech)");</span>
<span class="nc" id="L169"> String bCategory = scan.nextLine();</span>
<span class="nc" id="L170"> System.out.println("AudioBook artist: ");</span>
<span class="nc" id="L171"> String bArtist = scan.nextLine();</span>
<span class="nc" id="L172"> System.out.println("AudioBook length in seconds: ");</span>
<span class="nc" id="L173"> int bLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L174"> System.out.println("AudioBook content: ");</span>
<span class="nc" id="L175"> String bContent = scan.nextLine();</span>
<span class="nc" id="L176"> System.out.println("AudioBook language (french, english, italian, spanish, german)");</span>
<span class="nc" id="L177"> String bLanguage = scan.nextLine();</span>
<span class="nc" id="L178"> AudioBook b = new AudioBook(bTitle, bArtist, bLength, bContent, bLanguage, bCategory);</span>
<span class="nc" id="L179"> theHub.addElement(b);</span>
<span class="nc" id="L180"> System.out.println("Audiobook created! New element list: ");</span>
<span class="nc" id="L181"> Iterator<AudioElement> itl = theHub.elements();</span>
<span class="nc bnc" id="L182" title="All 2 branches missed."> while (itl.hasNext()) System.out.println(itl.next().getTitle());</span>
<span class="nc" id="L183"> printAvailableCommands();</span>
<span class="nc" id="L184"> choice = scan.nextLine();</span>
<span class="nc" id="L185"> break;</span>
case 'p':
//create a new playlist from existing elements
<span class="nc" id="L188"> System.out.println("Add an existing song or audiobook to a new playlist");</span>
<span class="nc" id="L189"> System.out.println("Existing playlists:");</span>
<span class="nc" id="L190"> Iterator<PlayList> itpl = theHub.playlists();</span>
<span class="nc bnc" id="L191" title="All 2 branches missed."> while (itpl.hasNext()) {</span>
<span class="nc" id="L192"> PlayList pl = itpl.next();</span>
<span class="nc" id="L193"> System.out.println(pl.getTitle());</span>
<span class="nc" id="L194"> }</span>
<span class="nc" id="L195"> System.out.println("Type the name of the playlist you wish to create:");</span>
<span class="nc" id="L196"> String playListTitle = scan.nextLine();</span>
<span class="nc" id="L197"> PlayList pl = new PlayList(playListTitle);</span>
<span class="nc" id="L198"> theHub.addPlaylist(pl);</span>
<span class="nc" id="L199"> System.out.println("Available elements: ");</span>
<span class="nc" id="L201"> Iterator<AudioElement> itael = theHub.elements();</span>
<span class="nc bnc" id="L202" title="All 2 branches missed."> while (itael.hasNext()) {</span>
<span class="nc" id="L203"> AudioElement ae = itael.next();</span>
<span class="nc" id="L204"> System.out.println(ae.getTitle());</span>
<span class="nc" id="L205"> }</span>
<span class="nc bnc" id="L206" title="All 2 branches missed."> while (choice.charAt(0) != 'n') {</span>
<span class="nc" id="L207"> System.out.println("Type the name of the audio element you wish to add or 'n' to exit:");</span>
<span class="nc" id="L208"> String elementTitle = scan.nextLine();</span>
try {
<span class="nc" id="L210"> theHub.addElementToPlayList(elementTitle, playListTitle);</span>
<span class="nc" id="L211"> } catch (NoPlayListFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L212"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L213"> }</span>
<span class="nc" id="L215"> System.out.println("Type y to add a new one, n to end");</span>
<span class="nc" id="L216"> choice = scan.nextLine();</span>
<span class="nc" id="L217"> }</span>
<span class="nc" id="L218"> System.out.println("Playlist created!");</span>
<span class="nc" id="L219"> printAvailableCommands();</span>
<span class="nc" id="L220"> choice = scan.nextLine();</span>
<span class="nc" id="L221"> break;</span>
case '-':
//delete a playlist
<span class="nc" id="L224"> System.out.println("Delete an existing playlist. Available playlists:");</span>
<span class="nc" id="L225"> Iterator<PlayList> itp = theHub.playlists();</span>
<span class="nc bnc" id="L226" title="All 2 branches missed."> while (itp.hasNext()) {</span>
<span class="nc" id="L227"> PlayList p = itp.next();</span>
<span class="nc" id="L228"> System.out.println(p.getTitle());</span>
<span class="nc" id="L229"> }</span>
<span class="nc" id="L230"> String plTitle = scan.nextLine();</span>
try {
<span class="nc" id="L232"> theHub.deletePlayList(plTitle);</span>
<span class="nc" id="L233"> } catch (NoPlayListFoundException ex) {</span>
<span class="nc" id="L234"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L235"> }</span>
<span class="nc" id="L236"> System.out.println("Playlist deleted!");</span>
<span class="nc" id="L237"> printAvailableCommands();</span>
<span class="nc" id="L238"> choice = scan.nextLine();</span>
<span class="nc" id="L239"> break;</span>
case 's':
//save elements, albums, playlists
<span class="nc" id="L242"> theHub.saveElements();</span>
<span class="nc" id="L243"> theHub.saveAlbums();</span>
<span class="nc" id="L244"> theHub.savePlayLists();</span>
<span class="nc" id="L245"> System.out.println("Elements, albums and playlists saved!");</span>
<span class="nc" id="L246"> printAvailableCommands();</span>
<span class="nc" id="L247"> choice = scan.nextLine();</span>
<span class="nc" id="L248"> break;</span>
case 'r':
//search a music
try {
<span class="nc" id="L252"> theHub.searchAudioElement();</span>
}
<span class="nc" id="L254"> catch (NoElementFoundException e){</span>
<span class="nc" id="L255"> System.err.println(e.getMessage());</span>
}
<span class="nc" id="L257"> catch (java.io.FileNotFoundException e){</span>
<span class="nc" id="L258"> System.err.println(e.getMessage()+" Please create a file with the extension .wav inside the song folder at root of the app");</span>
<span class="nc" id="L259"> }</span>
<span class="nc" id="L260"> printAvailableCommands();</span>
case 'o':
//consult the app logs
<span class="nc" id="L263"> LogHandler.read();</span>
<span class="nc" id="L264"> System.out.println("Type h for available commands");</span>
<span class="nc" id="L265"> choice = scan.nextLine();</span>
<span class="nc" id="L266"> break;</span>
default:
<span class="nc" id="L269"> break;</span>
}
}
<span class="nc" id="L272"> scan.close();</span>
<span class="nc" id="L273"> }</span>
private static void printAvailableCommands() {
<span class="nc" id="L276"> System.out.println("t: display the album titles, ordered by date");</span>
<span class="nc" id="L277"> System.out.println("g: display songs of an album, ordered by genre");</span>
<span class="nc" id="L278"> System.out.println("d: display songs of an album");</span>
<span class="nc" id="L279"> System.out.println("u: display audiobooks ordered by author");</span>
<span class="nc" id="L280"> System.out.println("r: search audio elements");</span>
<span class="nc" id="L281"> System.out.println("c: add a new song");</span>
<span class="nc" id="L282"> System.out.println("a: add a new album");</span>
<span class="nc" id="L283"> System.out.println("+: add a song to an album");</span>
<span class="nc" id="L284"> System.out.println("l: add a new audiobook");</span>
<span class="nc" id="L285"> System.out.println("p: create a new playlist from existing songs and audio books");</span>
<span class="nc" id="L286"> System.out.println("-: delete an existing playlist");</span>
<span class="nc" id="L287"> System.out.println("s: save elements, albums, playlists");</span>
<span class="nc" id="L288"> System.out.println("o: consult the app logs");</span>
<span class="nc" id="L289"> System.out.println("q: quit program");</span>
<span class="nc" id="L290"> }</span>
}
</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>
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