DAAPLib/src/util/command/databases/Items.java

   1 package util.command.databases;
   2
   3 import interfaces.DJInterface;
   4 import interfaces.Track;
   5 import interfaces.collection.Collection;
   6 import interfaces.collection.Source;
   7
   8 import java.util.ArrayList;
   9 import java.util.List;
  10 import java.util.Map;
  11
  12 import util.command.Command;
  13 import util.queryparser.ApplyFilter;
  14 import util.queryparser.Filter;
  15 import util.queryparser.QueryParser;
  16 import api.Response;
  17
  18 public class Items implements Command {
  19
  20         private Map<String,String> args;
  21         private int container;
  22
  23         public Items(int container) {
  24                 this.container = container;
  25         }
  26
  27         public void init(Map<String, String> args) {
  28                 this.args = args;
  29         }
  30
  31         public Response run(DJInterface dj) {
  32
  33                 Source<? extends Track> source = null;
  34
  35                 for (Collection<? extends Track> p: dj.library().collections()) {
  36                         if (p.id() == container) {
  37                                 source = p.source();
  38                                 break;
  39                         }
  40                 }
  41
  42                 if (source == null) {
  43                         System.err.println("requested playlist not found!");
  44                         return null;
  45                 }
  46
  47                 System.out.println("playlist has " + source.size() + " elements");
  48
  49                 List<? extends Track> pl;
  50
  51                 if (args != null && args.containsKey("query")) {
  52                         Filter f = QueryParser.parse(args.get("query"));
  53                         System.out.println(f);
  54                         pl = ApplyFilter.filter(f, source.tracks());
  55                 }
  56                 else {
  57                         List<Track> l = new ArrayList<Track>();
  58                         for (Track t: source.tracks()) {
  59                                 l.add(t);
  60                         }
  61                         pl = l;
  62                 }
  63
  64                 /*Collections.sort(playlist, new Comparator<Track>() {
  65                         public int compare(Track o1, Track o2) {
  66                                 String a = (String)o1.getTag(DAAPConstants.NAME);
  67                                 String b = (String)o2.getTag(DAAPConstants.NAME);
  68                                 if (a == null) a = "";
  69                                 if (b == null) b = "";
  70                                 return a.compareTo(b);
  71                         }
  72                 });*/
  73
  74                 System.out.println("returning " + source.size() + " elements");
  75
  76                 return new util.response.PlaylistSongs(pl);
  77         }
  78
  79 }