| /* |
| * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.media.sound; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.util.ArrayList; |
| import java.util.Objects; |
| |
| import javax.sound.midi.InvalidMidiDataException; |
| import javax.sound.midi.Soundbank; |
| import javax.sound.midi.spi.SoundbankReader; |
| |
| import sun.reflect.misc.ReflectUtil; |
| |
| /** |
| * JarSoundbankReader is used to read soundbank object from jar files. |
| * |
| * @author Karl Helgason |
| */ |
| public final class JARSoundbankReader extends SoundbankReader { |
| |
| private static boolean isZIP(URL url) { |
| boolean ok = false; |
| try { |
| InputStream stream = url.openStream(); |
| try { |
| byte[] buff = new byte[4]; |
| ok = stream.read(buff) == 4; |
| if (ok) { |
| ok = (buff[0] == 0x50 |
| && buff[1] == 0x4b |
| && buff[2] == 0x03 |
| && buff[3] == 0x04); |
| } |
| } finally { |
| stream.close(); |
| } |
| } catch (IOException e) { |
| } |
| return ok; |
| } |
| |
| public Soundbank getSoundbank(URL url) |
| throws InvalidMidiDataException, IOException { |
| if (!isZIP(url)) |
| return null; |
| ArrayList<Soundbank> soundbanks = new ArrayList<Soundbank>(); |
| URLClassLoader ucl = URLClassLoader.newInstance(new URL[]{url}); |
| InputStream stream = ucl.getResourceAsStream( |
| "META-INF/services/javax.sound.midi.Soundbank"); |
| if (stream == null) |
| return null; |
| try |
| { |
| BufferedReader r = new BufferedReader(new InputStreamReader(stream)); |
| String line = r.readLine(); |
| while (line != null) { |
| if (!line.startsWith("#")) { |
| try { |
| Class<?> c = Class.forName(line.trim(), false, ucl); |
| if (Soundbank.class.isAssignableFrom(c)) { |
| ReflectUtil.checkPackageAccess(c); |
| Object o = c.newInstance(); |
| soundbanks.add((Soundbank) o); |
| } |
| } catch (ClassNotFoundException ignored) { |
| } catch (InstantiationException ignored) { |
| } catch (IllegalAccessException ignored) { |
| } |
| } |
| line = r.readLine(); |
| } |
| } |
| finally |
| { |
| stream.close(); |
| } |
| if (soundbanks.size() == 0) |
| return null; |
| if (soundbanks.size() == 1) |
| return soundbanks.get(0); |
| SimpleSoundbank sbk = new SimpleSoundbank(); |
| for (Soundbank soundbank : soundbanks) |
| sbk.addAllInstruments(soundbank); |
| return sbk; |
| } |
| |
| public Soundbank getSoundbank(InputStream stream) |
| throws InvalidMidiDataException, IOException { |
| Objects.requireNonNull(stream); |
| return null; |
| } |
| |
| public Soundbank getSoundbank(File file) |
| throws InvalidMidiDataException, IOException { |
| return getSoundbank(file.toURI().toURL()); |
| } |
| } |