Java tutorial
/* * Computoser is a music-composition algorithm and a website to present the results * Copyright (C) 2012-2014 Bozhidar Bozhanov * * Computoser is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Computoser 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with Computoser. If not, see <http://www.gnu.org/licenses/>. */ package com.music.tools; import java.lang.reflect.Field; import java.util.HashMap; import java.util.Map; import jm.constants.ProgramChanges; import jm.music.data.Part; import jm.music.data.Score; import jm.util.Read; import org.apache.commons.lang3.StringUtils; public class InstrumentExtractor { public static void main(String[] args) { Map<Integer, String> instrumentNames = new HashMap<>(); Field[] fields = ProgramChanges.class.getDeclaredFields(); try { for (Field field : fields) { Integer value = (Integer) field.get(null); if (!instrumentNames.containsKey(value)) { instrumentNames.put(value, StringUtils.capitalize(field.getName().toLowerCase()).replace('_', ' ')); } } } catch (IllegalArgumentException | IllegalAccessException e) { throw new IllegalStateException(e); } Score score = new Score(); Read.midi(score, "C:\\Users\\bozho\\Downloads\\7938.midi"); for (Part part : score.getPartArray()) { System.out.println(part.getChannel() + " : " + part.getInstrument() + ": " + instrumentNames.get(part.getInstrument())); } } }