MidiInstrument.java

/* -*- c-basic-offset: 2; indent-tabs-mode: nil; -*- */
/*
 * FreeDots -- MusicXML to braille music transcription
 *
 * Copyright 2008-2010 Mario Lang  All Rights Reserved.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details (a copy is included in the LICENSE.txt file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License
 * along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This file is maintained by Mario Lang <mlang@delysid.org>.
 */
package freedots.musicxml;

import org.w3c.dom.Element;
import org.w3c.dom.Text;

/** A wrapper around the midi-instrument element.
 */
final class MidiInstrument {
  private final Element xml;

  private Text midiProgram;
  private Text midiChannel;

  MidiInstrument(final Element xml) {
    this.xml = xml;
    midiChannel = Score.getTextNode(xml, "midi-channel");
    midiProgram = Score.getTextNode(xml, "midi-program");
  }

  public String getId() { return xml.getAttribute("id"); }

  public int getMidiProgram() {
    if (midiProgram != null)
      return Integer.parseInt(midiProgram.getWholeText()) - 1;
    return 0;
  }

  public int getMidiChannel() {
    if (midiChannel != null)
      return Integer.parseInt(midiChannel.getWholeText()) - 1;
    return 0;
  }
}