songdbj/AlbumEntry.java

   1 import java.util.*;
   2 import java.io.*;
   3
   4 public class AlbumEntry extends Entry implements Comparable {
   5         protected String name;
   6   protected ArtistEntry artist;
   7   protected Vector songs;
   8   protected int songcount;
   9
  10   public AlbumEntry(String n) {
  11         name=n;
  12         songs=new Vector();
  13         artist=null;
  14     songcount=0;
  15   }
  16
  17   protected class SongSorter implements Comparator {
  18         public int compare(Object o1, Object o2) {
  19                 SongEntry s1=(SongEntry)o1;
  20                 SongEntry s2=(SongEntry)o2;
  21                 int track1=s1.getTrack(),track2=s2.getTrack();
  22                 if(track1>track2)
  23                         return 1;
  24           else if(track1<track2)
  25                 return -1;
  26           return s1.getFile().getFile().getName().compareTo(s2.getFile().getFile().getName());
  27         }
  28   }
  29
  30   public void addSong(SongEntry e) {
  31         songs.add(e);
  32         e.setAlbum(this);
  33         e.setArtist(artist);
  34         songcount++;
  35         Collections.sort(songs,new SongSorter());
  36   }
  37
  38         public int size() { return songcount; }
  39         public void setArtist(ArtistEntry a) {
  40                 a.addAlbum(this);
  41                 if(artist!=null&&artist!=a&&!artist.getName().equals("<various artists>")) {
  42                         artist.removeAlbum(this);
  43                         artist=TagDatabase.getInstance().getArtistEntry("<various artists>");
  44                 }
  45                 else
  46                   artist=a;
  47         }
  48         public ArtistEntry getArtist() { return artist; }
  49
  50   public int compareTo(Object o) {
  51         return String.CASE_INSENSITIVE_ORDER.compare(name,((AlbumEntry)o).getName());
  52   }
  53
  54   public String getName() { return name; }
  55   public Collection getSongs() { return songs; }
  56   public void write(DataOutputStream w) throws IOException {
  57                 int x;
  58                         w.writeBytes(name);
  59                         for(x=TagDatabase.getInstance().albumlen-name.length();x>0;x--)
  60                                 w.write(0);
  61                         w.writeInt(artist.getOffset());
  62                         Iterator i2 = songs.iterator();
  63                         x=0;
  64                         while(i2.hasNext()) {
  65                                 Entry e = (Entry) i2.next();
  66                           w.writeInt(e.getOffset());
  67                           x++;
  68                         }
  69                         for(;x<TagDatabase.getInstance().songarraylen;x++)
  70                                 w.writeInt(0);
  71   }
  72         public static int entrySize() {
  73                 TagDatabase td=TagDatabase.getInstance();
  74                 return td.albumlen+4+td.songarraylen*4;
  75         }
  76 }