MemphisDJ/src/music/CollectionTrack.java

   1 package music;
   2
   3 import interfaces.Album;
   4 import interfaces.Constants;
   5 import interfaces.Track;
   6
   7 import java.io.IOException;
   8 import java.util.ArrayList;
   9
  10 public class CollectionTrack implements Track {
  11
  12         private final Track track;
  13         private final int container;
  14         private final int containerItemId;
  15
  16         public CollectionTrack(Track track, int container, int containerItemId) {
  17                 this.track = track;
  18                 this.container = container;
  19                 this.containerItemId = containerItemId;
  20         }
  21
  22         public int hashCode() {
  23                 return track.id();
  24         }
  25
  26         public boolean equals(Object o) {
  27                 if (o == this) return true;
  28                 else if (o instanceof Track) {
  29                         return ((Track)o).id() == track.id();
  30                 }
  31                 return false;
  32         }
  33
  34         public Object get(Constants tag) {
  35                 switch (tag) {
  36                 case dmap_containeritemid:
  37                         return containerItemId;
  38                 case dmap_parentcontainerid:
  39                         return container;
  40                 default:
  41                         return track.get(tag);
  42                 }
  43         }
  44
  45         public Object get(Constants tag, Object defaultValue) {
  46                 Object ret = get(tag);
  47                 if (ret == null) {
  48                         return defaultValue;
  49                 }
  50                 else {
  51                         return ret;
  52                 }
  53         }
  54
  55         public Album getAlbum() {
  56                 return track.getAlbum();
  57         }
  58
  59         public Iterable<Constants> getAllTags() {
  60                 ArrayList<Constants> tags = new ArrayList<Constants>();
  61                 for (Constants c: track.getAllTags()) {
  62                         tags.add(c);
  63                 }
  64                 tags.add(Constants.dmap_containeritemid);
  65                 tags.add(Constants.dmap_parentcontainerid);
  66                 return tags;
  67         }
  68
  69         public void getStream(StreamReader reader) throws IOException {
  70                 track.getStream(reader);
  71         }
  72
  73         public int id() {
  74                 return track.id();
  75         }
  76
  77         public long persistentId() {
  78                 return track.persistentId();
  79         }
  80
  81         public void put(Constants tag, Object value) {
  82                 track.put(tag, value);
  83         }
  84
  85         public void setAlbum(Album album) {
  86                 track.setAlbum(album);
  87         }
  88
  89         public String toString() {
  90                 return track.toString();
  91         }
  92 }