MidiSongExporter.java

package org.herac.tuxguitar.io.midi;

import java.io.OutputStream;

import org.herac.tuxguitar.io.base.TGFileFormat;
import org.herac.tuxguitar.io.base.TGLocalFileExporter;
import org.herac.tuxguitar.player.base.MidiSequenceParser;
import org.herac.tuxguitar.song.managers.TGSongManager;
import org.herac.tuxguitar.song.models.TGSong;

public class MidiSongExporter implements TGLocalFileExporter {

  private MidiSettings settings;
  private OutputStream stream;

  public boolean configure(boolean setDefaults) {
    this.settings = (setDefaults ? MidiSettings.getDefaults()
        : new MidiSettingsDialog().open());
    return (this.settings != null);
  }

  public void exportSong(TGSong song) {
    if (this.stream != null && this.settings != null) {
      TGSongManager manager = new TGSongManager();
      manager.setSong(song);
      MidiSequenceParser parser = new MidiSequenceParser(manager,
          MidiSequenceParser.DEFAULT_EXPORT_FLAGS, 100, this.settings
              .getTranspose());
      MidiSequenceHandlerImpl sequence = new MidiSequenceHandlerImpl((song
          .countTracks() + 1), this.stream);
      parser.parse(sequence);
    }
  }

  public String getExportName() {
    return "Midi";
  }

  public TGFileFormat getFileFormat() {
    return new TGFileFormat("Midi", "*.mid;*.midi");
  }

  public void init(OutputStream stream) {
    this.stream = stream;
  }
}