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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 17 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"> LogHandler.write("No album found with the requested title", "WARNING");</span>
<span class="nc" id="L58"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L59"> }</span>
<span class="nc" id="L60"> printAvailableCommands();</span>
<span class="nc" id="L61"> choice = scan.nextLine();</span>
<span class="nc" id="L62"> break;</span>
case 'd':
//songs of an album
<span class="nc" id="L65"> System.out.println("Songs of an album will be displayed; enter the album name, available albums are:");</span>
<span class="nc" id="L66"> System.out.println(theHub.getAlbumsTitlesSortedByDate());</span>
<span class="nc" id="L68"> albumTitle = scan.nextLine();</span>
try {
<span class="nc" id="L70"> List<AudioElement> songs = theHub.getAlbumSongs(albumTitle);</span>
<span class="nc" id="L71"> System.out.println(theHub.getAlbumSongs(albumTitle));</span>
<span class="nc" id="L72"> String song = scan.nextLine();</span>
<span class="nc" id="L73"> theHub.getAudioElement(songs, song);</span>
<span class="nc" id="L74"> } catch (NoAlbumFoundException ex) {</span>
<span class="nc" id="L75"> LogHandler.write("No album found with the requested title", "WARNING");</span>
<span class="nc" id="L76"> System.out.println("No album found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L77"> }</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 'u':
//audiobooks ordered by author
<span class="nc" id="L83"> System.out.println(theHub.getAudiobooksTitlesSortedByAuthor());</span>
<span class="nc" id="L84"> printAvailableCommands();</span>
<span class="nc" id="L85"> choice = scan.nextLine();</span>
<span class="nc" id="L86"> break;</span>
case 'c':
// add a new song
<span class="nc" id="L89"> System.out.println("Enter a new song: ");</span>
<span class="nc" id="L90"> System.out.println("Song title: ");</span>
<span class="nc" id="L91"> String title = scan.nextLine();</span>
<span class="nc" id="L92"> System.out.println("Song genre (jazz, classic, hiphop, rock, pop, rap):");</span>
<span class="nc" id="L93"> String genre = scan.nextLine();</span>
<span class="nc" id="L94"> System.out.println("Song artist: ");</span>
<span class="nc" id="L95"> String artist = scan.nextLine();</span>
int length;
try {
<span class="nc" id="L99"> System.out.println("Song length in seconds: ");</span>
<span class="nc" id="L100"> length = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L101"> } catch (NumberFormatException ex) {</span>
<span class="nc" id="L102"> String logMsg = "You've not provided a number for the length.";</span>
<span class="nc" id="L103"> LogHandler.write(logMsg, "ERROR"); //write a line in the log file</span>
<span class="nc" id="L104"> System.err.println(logMsg);</span>
<span class="nc" id="L105"> System.out.println("Type h for available commands");</span>
<span class="nc" id="L106"> choice = scan.nextLine();</span>
<span class="nc" id="L107"> break;</span>
<span class="nc" id="L108"> }</span>
<span class="nc" id="L110"> System.out.println("Song content: ");</span>
<span class="nc" id="L111"> String content = scan.nextLine();</span>
<span class="nc bnc" id="L112" title="All 2 branches missed."> if (!isPathValid(content)) {</span>
<span class="nc" id="L113"> String logMsg = "The music file cannot be found with the path you've provided or the extension is not .wav";</span>
<span class="nc" id="L114"> LogHandler.write(logMsg, "ERROR"); //write a line in the log file</span>
<span class="nc" id="L115"> System.err.println(logMsg);</span>
<span class="nc" id="L116"> System.out.println("Type h for available commands");</span>
<span class="nc" id="L117"> choice = scan.nextLine();</span>
<span class="nc" id="L118"> break;</span>
}
<span class="nc" id="L121"> Song s = new Song(title, artist, length, content, genre);</span>
<span class="nc" id="L122"> theHub.addElement(s);</span>
<span class="nc" id="L123"> System.out.println("New element list: ");</span>
<span class="nc" id="L124"> Iterator<AudioElement> it = theHub.elements();</span>
<span class="nc bnc" id="L125" title="All 2 branches missed."> while (it.hasNext()) System.out.println(it.next().getTitle());</span>
<span class="nc" id="L126"> LogHandler.write("Song successfully created", "INFO");</span>
<span class="nc" id="L127"> System.out.println("Song created!");</span>
<span class="nc" id="L128"> printAvailableCommands();</span>
<span class="nc" id="L129"> choice = scan.nextLine();</span>
<span class="nc" id="L130"> break;</span>
case 'a':
// add a new album
<span class="nc" id="L133"> System.out.println("Enter a new album: ");</span>
<span class="nc" id="L134"> System.out.println("Album title: ");</span>
<span class="nc" id="L135"> String aTitle = scan.nextLine();</span>
<span class="nc" id="L136"> System.out.println("Album artist: ");</span>
<span class="nc" id="L137"> String aArtist = scan.nextLine();</span>
<span class="nc" id="L138"> System.out.println("Album length in seconds: ");</span>
<span class="nc" id="L139"> int aLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L140"> System.out.println("Album date as YYYY-DD-MM: ");</span>
<span class="nc" id="L141"> String aDate = scan.nextLine();</span>
<span class="nc" id="L142"> Album a = new Album(aTitle, aArtist, aLength, aDate);</span>
<span class="nc" id="L143"> theHub.addAlbum(a);</span>
<span class="nc" id="L144"> System.out.println("New list of albums: ");</span>
<span class="nc" id="L145"> Iterator<Album> ita = theHub.albums();</span>
<span class="nc bnc" id="L146" title="All 2 branches missed."> while (ita.hasNext()) System.out.println(ita.next().getTitle());</span>
<span class="nc" id="L147"> LogHandler.write("Album successfully created", "INFO");</span>
<span class="nc" id="L148"> System.out.println("Album created!");</span>
<span class="nc" id="L149"> printAvailableCommands();</span>
<span class="nc" id="L150"> choice = scan.nextLine();</span>
<span class="nc" id="L151"> break;</span>
case '+':
//add a song to an album:
<span class="nc" id="L154"> System.out.println("Add an existing song to an existing album");</span>
<span class="nc" id="L155"> System.out.println("Type the name of the song you wish to add. Available songs: ");</span>
<span class="nc" id="L156"> Iterator<AudioElement> itae = theHub.elements();</span>
<span class="nc bnc" id="L157" title="All 2 branches missed."> while (itae.hasNext()) {</span>
<span class="nc" id="L158"> AudioElement ae = itae.next();</span>
<span class="nc bnc" id="L159" title="All 2 branches missed."> if (ae instanceof Song) System.out.println(ae.getTitle());</span>
<span class="nc" id="L160"> }</span>
<span class="nc" id="L161"> String songTitle = scan.nextLine();</span>
<span class="nc" id="L163"> System.out.println("Type the name of the album you wish to enrich. Available albums: ");</span>
<span class="nc" id="L164"> Iterator<Album> ait = theHub.albums();</span>
<span class="nc bnc" id="L165" title="All 2 branches missed."> while (ait.hasNext()) {</span>
<span class="nc" id="L166"> Album al = ait.next();</span>
<span class="nc" id="L167"> System.out.println(al.getTitle());</span>
<span class="nc" id="L168"> }</span>
<span class="nc" id="L169"> String titleAlbum = scan.nextLine();</span>
try {
<span class="nc" id="L171"> theHub.addElementToAlbum(songTitle, titleAlbum);</span>
<span class="nc" id="L172"> } catch (NoAlbumFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L173"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L174"> }</span>
<span class="nc" id="L175"> LogHandler.write("Song successfully added to the album", "INFO");</span>
<span class="nc" id="L176"> System.out.println("Song added to the album!");</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 'l':
// add a new audiobook
<span class="nc" id="L182"> System.out.println("Enter a new audiobook: ");</span>
<span class="nc" id="L183"> System.out.println("AudioBook title: ");</span>
<span class="nc" id="L184"> String bTitle = scan.nextLine();</span>
<span class="nc" id="L185"> System.out.println("AudioBook category (youth, novel, theater, documentary, speech)");</span>
<span class="nc" id="L186"> String bCategory = scan.nextLine();</span>
<span class="nc" id="L187"> System.out.println("AudioBook artist: ");</span>
<span class="nc" id="L188"> String bArtist = scan.nextLine();</span>
<span class="nc" id="L189"> System.out.println("AudioBook length in seconds: ");</span>
<span class="nc" id="L190"> int bLength = Integer.parseInt(scan.nextLine());</span>
<span class="nc" id="L191"> System.out.println("AudioBook content: ");</span>
<span class="nc" id="L192"> String bContent = scan.nextLine();</span>
<span class="nc" id="L193"> System.out.println("AudioBook language (french, english, italian, spanish, german)");</span>
<span class="nc" id="L194"> String bLanguage = scan.nextLine();</span>
<span class="nc" id="L195"> AudioBook b = new AudioBook(bTitle, bArtist, bLength, bContent, bLanguage, bCategory);</span>
<span class="nc" id="L196"> theHub.addElement(b);</span>
<span class="nc" id="L197"> LogHandler.write("Audiobook successfully created", "INFO");</span>
<span class="nc" id="L198"> System.out.println("Audiobook created! New element list: ");</span>
<span class="nc" id="L199"> Iterator<AudioElement> itl = theHub.elements();</span>
<span class="nc bnc" id="L200" title="All 2 branches missed."> while (itl.hasNext()) System.out.println(itl.next().getTitle());</span>
<span class="nc" id="L201"> printAvailableCommands();</span>
<span class="nc" id="L202"> choice = scan.nextLine();</span>
<span class="nc" id="L203"> break;</span>
case 'p':
//create a new playlist from existing elements
<span class="nc" id="L206"> System.out.println("Add an existing song or audiobook to a new playlist");</span>
<span class="nc" id="L207"> System.out.println("Existing playlists:");</span>
<span class="nc" id="L208"> Iterator<PlayList> itpl = theHub.playlists();</span>
<span class="nc bnc" id="L209" title="All 2 branches missed."> while (itpl.hasNext()) {</span>
<span class="nc" id="L210"> PlayList pl = itpl.next();</span>
<span class="nc" id="L211"> System.out.println(pl.getTitle());</span>
<span class="nc" id="L212"> }</span>
<span class="nc" id="L213"> System.out.println("Type the name of the playlist you wish to create:");</span>
<span class="nc" id="L214"> String playListTitle = scan.nextLine();</span>
<span class="nc" id="L215"> PlayList pl = new PlayList(playListTitle);</span>
<span class="nc" id="L216"> theHub.addPlaylist(pl);</span>
<span class="nc" id="L217"> System.out.println("Available elements: ");</span>
<span class="nc" id="L219"> Iterator<AudioElement> itael = theHub.elements();</span>
<span class="nc bnc" id="L220" title="All 2 branches missed."> while (itael.hasNext()) {</span>
<span class="nc" id="L221"> AudioElement ae = itael.next();</span>
<span class="nc" id="L222"> System.out.println(ae.getTitle());</span>
<span class="nc" id="L223"> }</span>
<span class="nc bnc" id="L224" title="All 2 branches missed."> while (choice.charAt(0) != 'n') {</span>
<span class="nc" id="L225"> System.out.println("Type the name of the audio element you wish to add or 'n' to exit:");</span>
<span class="nc" id="L226"> String elementTitle = scan.nextLine();</span>
try {
<span class="nc" id="L228"> theHub.addElementToPlayList(elementTitle, playListTitle);</span>
<span class="nc" id="L229"> } catch (NoPlayListFoundException | NoElementFoundException ex) {</span>
<span class="nc" id="L230"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L231"> }</span>
<span class="nc" id="L233"> System.out.println("Type y to add a new one, n to end");</span>
<span class="nc" id="L234"> choice = scan.nextLine();</span>
<span class="nc" id="L235"> }</span>
<span class="nc" id="L236"> LogHandler.write("Playlist successfully created", "INFO");</span>
<span class="nc" id="L237"> System.out.println("Playlist created!");</span>
<span class="nc" id="L238"> printAvailableCommands();</span>
<span class="nc" id="L239"> choice = scan.nextLine();</span>
<span class="nc" id="L240"> break;</span>
case '-':
//delete a playlist
<span class="nc" id="L243"> System.out.println("Delete an existing playlist. Available playlists:");</span>
<span class="nc" id="L244"> Iterator<PlayList> itp = theHub.playlists();</span>
<span class="nc bnc" id="L245" title="All 2 branches missed."> while (itp.hasNext()) {</span>
<span class="nc" id="L246"> PlayList p = itp.next();</span>
<span class="nc" id="L247"> System.out.println(p.getTitle());</span>
<span class="nc" id="L248"> }</span>
<span class="nc" id="L249"> String plTitle = scan.nextLine();</span>
try {
<span class="nc" id="L251"> theHub.deletePlayList(plTitle);</span>
<span class="nc" id="L252"> } catch (NoPlayListFoundException ex) {</span>
<span class="nc" id="L253"> System.out.println(ex.getMessage());</span>
<span class="nc" id="L254"> }</span>
<span class="nc" id="L255"> LogHandler.write("Playlist successfully deleted", "INFO");</span>
<span class="nc" id="L256"> System.out.println("Playlist deleted!");</span>
<span class="nc" id="L257"> printAvailableCommands();</span>
<span class="nc" id="L258"> choice = scan.nextLine();</span>
<span class="nc" id="L259"> break;</span>
case 's':
//save elements, albums, playlists
<span class="nc" id="L262"> theHub.saveElements();</span>
<span class="nc" id="L263"> theHub.saveAlbums();</span>
<span class="nc" id="L264"> theHub.savePlayLists();</span>
<span class="nc" id="L265"> LogHandler.write("Elements, albums and playlists successfully saved", "INFO");</span>
<span class="nc" id="L266"> System.out.println("Elements, albums and playlists saved!");</span>
<span class="nc" id="L267"> printAvailableCommands();</span>
<span class="nc" id="L268"> choice = scan.nextLine();</span>
<span class="nc" id="L269"> break;</span>
case 'r':
//search a music
try {
<span class="nc" id="L273"> theHub.searchAudioElement();</span>
}
<span class="nc" id="L275"> catch (NoElementFoundException e){</span>
<span class="nc" id="L276"> System.err.println(e.getMessage());</span>
}
<span class="nc" id="L278"> catch (java.io.FileNotFoundException e){</span>
<span class="nc" id="L279"> LogHandler.write("Please create a file with the extension .wav inside the song folder at root of the app", "ERROR");</span>
<span class="nc" id="L280"> 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="L281"> }</span>
<span class="nc" id="L282"> printAvailableCommands();</span>
<span class="nc" id="L283"> choice = scan.nextLine();</span>
<span class="nc" id="L284"> break;</span>
case 'o':
//consult the app logs
<span class="nc" id="L287"> LogHandler.read();</span>
<span class="nc" id="L288"> System.out.println("Type h for available commands");</span>
<span class="nc" id="L289"> choice = scan.nextLine();</span>
<span class="nc" id="L290"> break;</span>
case 'm':
//songs of a playlist
<span class="nc" id="L293"> System.out.println("Songs of a playlist will be displayed; enter the playlist name, available playlists are:");</span>
<span class="nc" id="L294"> System.out.println(theHub.getPlayListsTitles());</span>
<span class="nc" id="L296"> playListTitle = scan.nextLine();</span>
try {
<span class="nc" id="L298"> List<AudioElement> songs = theHub.getPlayListSongs(playListTitle);</span>
<span class="nc" id="L299"> System.out.println(theHub.getPlayListSongs(playListTitle));</span>
<span class="nc" id="L300"> String song = scan.nextLine();</span>
<span class="nc" id="L301"> theHub.getAudioElement(songs, song);</span>
<span class="nc" id="L302"> } catch (NoPlayListFoundException ex) {</span>
<span class="nc" id="L303"> LogHandler.write("No playlist found with the requested title", "WARNING");</span>
<span class="nc" id="L304"> System.out.println("No playlist found with the requested title " + ex.getMessage());</span>
<span class="nc" id="L305"> }</span>
<span class="nc" id="L306"> printAvailableCommands();</span>
<span class="nc" id="L307"> choice = scan.nextLine();</span>
<span class="nc" id="L308"> break;</span>
default:
<span class="nc" id="L311"> break;</span>
}
}
<span class="nc" id="L314"> scan.close();</span>
<span class="nc" id="L315"> }</span>
private static void printAvailableCommands() {
<span class="nc" id="L318"> System.out.println("t: display the album titles, ordered by date");</span>
<span class="nc" id="L319"> System.out.println("g: display songs of an album, ordered by genre");</span>
<span class="nc" id="L320"> System.out.println("d: display songs of an album");</span>
<span class="nc" id="L321"> System.out.println("u: display audiobooks ordered by author");</span>
<span class="nc" id="L322"> System.out.println("r: search audio elements");</span>
<span class="nc" id="L323"> System.out.println("c: add a new song");</span>
<span class="nc" id="L324"> System.out.println("a: add a new album");</span>
<span class="nc" id="L325"> System.out.println("+: add a song to an album");</span>
<span class="nc" id="L326"> System.out.println("l: add a new audiobook");</span>
<span class="nc" id="L327"> System.out.println("p: create a new playlist from existing songs and audio books");</span>
<span class="nc" id="L328"> System.out.println("m: display songs of a playlist");</span>
<span class="nc" id="L329"> System.out.println("-: delete an existing playlist");</span>
<span class="nc" id="L330"> System.out.println("s: save elements, albums, playlists");</span>
<span class="nc" id="L331"> System.out.println("o: consult the app logs");</span>
<span class="nc" id="L332"> System.out.println("q: quit program");</span>
<span class="nc" id="L333"> }</span>
}
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