1  /** 
  2   * Purpose: Represents a CD from my music collection
  3   * Author: skotthe
  4   */
  5
  6  public class CD {
  7
  8    private String title;
  9    private String artist;
 10    private String[] songTitles;
 11    private int releaseYear;
 12
 13
 14    // Constructor 
 15    CD(String theTitle, String theArtist, int theReleaseYear, int noOfSongs){
 16      this.title = theTitle;
 17      this.artist = theArtist;
 18      this.releaseYear = theReleaseYear;
 19      this.songTitles = new String[noOfSongs];
 20    }
 21
 22    //Getters
 23    public String getTitle(){
 24      return title;
 25    }
 26    public String getArtist(){
 27      return artist;
 28    }
 29    public int getReleaseYear(){
 30      return releaseYear;
 31    }
 32    public String[] getSongTitles(){
 33      return songTitles;
 34    }
 35
 36    // Setters
 37    public void setArtist(String theArtist){
 38      this.artist = theArtist;
 39    }
 40    public void setTitle(String theTitle){
 41      this.title = theTitle;
 42    }
 43    public void setReleaseYear(int theReleaseYear){
 44      this.releaseYear = theReleaseYear;
 45    }
 46    public void setSongTitles(String[] theSongTitles){
 47      this.songTitles = theSongTitles;
 48    }
 49
 50    //Instance Methods 
 51    public boolean addSong(String theSong){
 52      //pre: String representing the song to be added
 53      //post: TRUE if addition is succesful, FALSE otherwise
 54      //      Do not allow
 55      //       - duplicates (ignore case)
 56      if (!hasDuplicates(theSong)){
 57        return addThisSong(theSong);
 58      }else{
 59        return false;
 60      }
 61    }
 62
 63
 64    public boolean hasDuplicates(String theSong){
 65      // pre: String with the song title
 66      // post: TRUE if name exists in songTitles, FALSE otherwise
 67      for(int i= 0;i <= songTitles.length && songTitles[i] != null;i++){
 68        if(songTitles[i].equalsIgnoreCase(theSong)){
 69          return true;
 70        }
 71      }
 72      return false;
 73    }
 74
 75    private boolean addThisSong(String theSong){
 76      //pre: String with the song title
 77      //post: TRUE if addition succeeds, FALSE otherwise
 78      int i = 0;
 79      for(; i < songTitles.length && songTitles[i] != null;i++){
 80        ;
 81      }
 82      if (i < songTitles.length){
 83        songTitles[i]=theSong;
 84        return true;
 85      } else {
 86        return false;
 87      }
 88    }
 89
 90    public void showInfo(){
 91      // Pretty print CD Information 
 92      System.out.println(" **** CD Info **** ");
 93      System.out.println(" CD Title :\t"+ title+"\n Artist :\t"+artist
 94                          +"\n Year :\t\t"+releaseYear);
 95      System.out.println("\tSong List :");
 96      prettyPrintSongs();
 97      System.out.println(" \t\t\t\t\t**** CD Info **** ");
 98    }
 99
100    public void prettyPrintSongs(){
101      //Pretty print Song List
102      for(int i = 0 ; i < songTitles.length && songTitles[i]!=null;i++){
103        System.out.println("\t\t"+i+". "+songTitles[i]);
104      }
105    }
106  }