NET/worlds/scape/CDDiskInfo.java


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package NET.worlds.scape;

import java.io.IOException;

public class CDDiskInfo implements Persister {
   private String artist;
   private String title;
   private String category;
   private String[] trackNames;
   private static Object classCookie = new Object();

   public CDDiskInfo(String artist, String title, String category, String[] trackNames) {
      this.artist = artist;
      this.title = title;
      this.category = category;
      this.trackNames = new String[trackNames.length];
      System.arraycopy(trackNames, 0, this.trackNames, 0, trackNames.length);
   }

   public CDDiskInfo() {
   }

   public String getArtist() {
      return this.artist;
   }

   public String getTitle() {
      return this.title;
   }

   public String getCategory() {
      return this.category;
   }

   public int getNumTracks() {
      return this.trackNames.length;
   }

   public String getTrackName(int track) {
      return this.trackNames[track];
   }

   @Override
   public String toString() {
      String ret = "Artist: " + this.artist + "\n" + "Title: " + this.title + "\n" + "Category: " + this.category + "\n";

      for (int i = 0; i < this.trackNames.length; i++) {
         ret = ret + "Track " + (i + 1) + ":";
         if (this.trackNames[i] != null) {
            ret = ret + this.trackNames[i];
         }

         ret = ret + "\n";
      }

      return ret;
   }

   @Override
   public void saveState(Saver s) throws IOException {
      s.saveVersion(1, classCookie);
      s.saveString(this.artist);
      s.saveString(this.title);
      s.saveString(this.category);
      s.saveInt(this.trackNames.length);

      for (int i = 0; i < this.trackNames.length; i++) {
         s.saveString(this.trackNames[i]);
      }
   }

   @Override
   public void restoreState(Restorer r) throws IOException, TooNewException {
      switch (r.restoreVersion(classCookie)) {
         case 1:
            this.artist = r.restoreString();
            this.title = r.restoreString();
            this.category = r.restoreString();
            this.trackNames = new String[r.restoreInt()];

            for (int i = 0; i < this.trackNames.length; i++) {
               this.trackNames[i] = r.restoreString();
            }

            return;
         default:
            throw new TooNewException();
      }
   }

   @Override
   public void postRestore(int version) {
   }
}