adding Serialization interface and methods

6 files changed, 63 insertions, 59 deletions

diff --git a/Album.java b/Album.java
index e8766a3..34fae7a 100644
--- a/Album.java
+++ b/Album.java
@@ -1,15 +1,17 @@
-import java.util.ArrayList;
+import java.util.*;
+import java.io.Serializable;
 
-public class Album {
+public class Album implements Serializable {
 
-	private int id, duration, date;
+	private int id, duration;
+	private Date date;
 	private String title, artist;
-	private ArrayList<String> songs = new ArrayList<String>();
+	private ArrayList<Song> songs = new ArrayList<Song>();
 
-	public Album(int id, String title, int duration, String artist, int date, ArrayList<String> songs) {
+	public Album(int id, String title, int duration, String artist, Date date, ArrayList<Song> songs) {
 		this.id=id;
 		this.title=title;
-		this.duration=duration;
+		this.duration=this.getDuration();
 		this.artist=artist;
 		this.date=date;
 		this.songs=songs;
@@ -17,12 +19,21 @@ public class Album {
 
 	public int getId(){return id;}
 	public String getTitle(){return title;}
+
 	public int getDuration(){
-		//Addition of the duration of the songs inside the album
+		for (Song s : songs) {duration+=s.getDuration();} //increase with each song's getDuration()
 		return duration;
-
 	}
 
+	public String getArtist(){return artist;}
+	public Date getDate(){return date;}
+	public ArrayList<Song> getSongs(){return songs;}
+
+
+	public void setId(){this.id=id;}
+	public void setTitle(){this.title=title;}
+	public void setArtist(){this.artist=artist;}
+	public void setDate(){this.date=date;}
 
 
 }
diff --git a/MusicalElement.java b/MusicalElement.java
index 5c24641..26c3808 100644
--- a/MusicalElement.java
+++ b/MusicalElement.java
@@ -1,10 +1,12 @@
+import java.io.Serializable;
+
 /** The MusicalElement contains the base of songs and audibooks.
  * It is the abstract class they will take.
  * We use the classical get and set here.
  * Get is used to return the said value.
  * Set is used to modify the later.*/
 
-class MusicalElement {
+class MusicalElement implements Serializable {
 
 //Our vars
 	private int id, duration;
diff --git a/Playlist.java b/Playlist.java
index 2e19822..635f62a 100644
--- a/Playlist.java
+++ b/Playlist.java
@@ -1,12 +1,13 @@
 import java.util.ArrayList;
+import java.io.Serializable;
 
-public class Playlist {
+public class Playlist implements Serializable {
 
 	private int id;
 	private String name;
-	private ArrayList<String> content = new ArrayList<String>();
+	private ArrayList<Song> content = new ArrayList<Song>();
 
-	public Playlist(int id, String name, ArrayList<String> content) {
+	public Playlist(int id, String name, ArrayList<Song> content) {
 		this.id=id;
 		this.name=name;
 		this.content=content;
@@ -14,4 +15,10 @@ public class Playlist {
 
 	public int getId(){return id;}
 	public String getName(){return name;}
+	public ArrayList<Song> getContent(){return content;}
+
+	public void setID(){this.id=id;}
+	public void setName(){this.name=name;}
+//	public void setContent(){this.content=content;}
+
 }
diff --git a/Song.java b/Song.java
index c4d1fc3..ecbb1eb 100644
--- a/Song.java
+++ b/Song.java
@@ -1,4 +1,4 @@
-public class Song extends MusicalElement {
+public class Song extends MusicalElement{
 	private String artist, genre;
 	public Song(String title, int duration, String content, String artist, Genre genre) {
 		super(title, duration, content);
@@ -15,5 +15,28 @@ public class Song extends MusicalElement {
                 return getTitle()+";"+getDuration()+";"+getContent()+";"+artist+";"+genre;
         }
 
+	public void save(){
+		try
+        {
+            //Saving of object in a file
+            FileOutputStream file = new FileOutputStream(songs.csv);
+            ObjectOutputStream out = new ObjectOutputStream(file);
+
+            // Method for serialization of object
+            out.writeObject(this);
+
+            out.close();
+            file.close();
+
+            System.out.println("Object has been serialized");
+
+        }
+
+        catch(IOException ex)
+        {
+            System.out.println("IOException is caught");
+        }
+	}
+
 
 }
diff --git a/jMusicHub.java b/jMusicHub.java
index 0cb43b5..2cbedc3 100644
--- a/jMusicHub.java
+++ b/jMusicHub.java
@@ -23,7 +23,7 @@ public class jMusicHub {
 		System.out.printf("Duration (in seconds) : ");
 		int duration = scan.nextInt();
 		System.out.printf("Content path : ");
-		String trash = scan.nextLine(); //Using this because the content scan is skippe after a nexInt
+		String trash = scan.nextLine(); //Using this because the content scan is skip after a nexInt
 		String content = scan.nextLine();
 		System.out.printf("Artist : ");
 		String artist = scan.nextLine();
@@ -118,6 +118,12 @@ public class jMusicHub {
 					break;
 				case "-":
 					break;
+				case "s":
+					for (Song s: songs){
+					    s.save();
+					}
+
+					break;
 				default :
 					System.out.println("Unknown command. Type h for help.");
 
diff --git a/test.sql b/test.sql
deleted file mode 100644
index ae8d13b..0000000
--- a/test.sql
+++ /dev/null
@@ -1,45 +0,0 @@
---album
-SELECT
-	al.id as "ID",
-	al.name as "Title",
-	ar.name as "Artist",
-	al.original_year as "Release Year",
-	SUM(s.time) as "Duration"
-FROM album al
-JOIN artist ar ON ar.id=al.album_artist
-JOIN song s ON s.album=al.id
-GROUP BY al.id
-INTO OUTFILE '/var/lib/mysql-files/albums.csv'
-FIELDS ENCLOSED BY '"'
-TERMINATED BY ';'
-ESCAPED BY '"'
-LINES TERMINATED BY '\r\n';
-
---song
-SELECT
-	s.id as "ID",
-	s.title as "Title",
-	ar.name as "Artist",
-	s.time as "Duration",
-	s.file as "Content"
-FROM song s
-JOIN artist ar ON ar.id=s.artist
-INTO OUTFILE '/var/lib/mysql-files/songs.csv'
-FIELDS ENCLOSED BY '"'
-TERMINATED BY ';'
-ESCAPED BY '"'
-LINES TERMINATED BY '\r\n';
-
---playlist
-SELECT
-	p.id as "ID",
-	p.name as "Name",
-	s.title as "Song"
-FROM playlist_data pd
-JOIN playlist p ON p.id=pd.playlist
-JOIN song s ON s.id=pd.object_id
-INTO OUTFILE '/var/lib/mysql-files/playlists.csv'
-FIELDS ENCLOSED BY '"'
-TERMINATED BY ';'
-ESCAPED BY '"'
-LINES TERMINATED BY '\r\n';