1 /*
   2  * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import javax.sound.midi.Instrument;
  25 import javax.sound.midi.MidiSystem;
  26 import javax.sound.midi.Soundbank;
  27 import javax.sound.midi.Synthesizer;
  28 import javax.sound.sampled.AudioSystem;
  29 import javax.sound.sampled.Mixer;
  30 
  31 /**
  32  * @test
  33  * @bug 4429762
  34  * @summary Some instrument names in some soundbanks include bad extra characters
  35  */
  36 public class ExtraCharInSoundbank {
  37 
  38     private static void printName(String loadedName)
  39     {
  40         System.out.println("Loaded Name: " + loadedName);
  41         byte[] theLoadedNameByteArray = loadedName.getBytes();
  42 
  43         System.out.print("Name Bytes: ");
  44         for(int i = 0; i < theLoadedNameByteArray.length; i++)
  45             System.out.print((Integer.toHexString((int)theLoadedNameByteArray[i]).toUpperCase()) + " ");
  46         System.out.println("");
  47         System.out.println("");
  48     }
  49 
  50     private static boolean containsControlChar(String name) {
  51         byte[] bytes = name.getBytes();
  52         for (int i = 0; i < bytes.length; i++) {
  53             if (bytes[i] < 32) {
  54                 return true;
  55             }
  56         }
  57         return false;
  58     }
  59 
  60     public static boolean checkInstrumentNames(Synthesizer theSynthesizer)
  61     {
  62         boolean containsControlCharacters = false;
  63 
  64         Instrument[] theLoadedInstruments = theSynthesizer.getLoadedInstruments();
  65 
  66         System.out.println("Checking soundbank...");
  67         for(int theInstrumentIndex = 0; theInstrumentIndex < theLoadedInstruments.length; theInstrumentIndex++) {
  68             String name = theLoadedInstruments[theInstrumentIndex].getName();
  69             if (containsControlChar(name)) {
  70                 containsControlCharacters = true;
  71                 System.out.print("Instrument[" + theInstrumentIndex + "] contains unexpected control characters: ");
  72                 printName(name);
  73             }
  74         }
  75         return !containsControlCharacters;
  76     }
  77 
  78     public static void main(String[] args) throws Exception {
  79         // the internal synthesizer needs a soundcard to work properly
  80         if (!isSoundcardInstalled()) {
  81             return;
  82         }
  83         Synthesizer theSynth = MidiSystem.getSynthesizer();
  84         System.out.println("Got synth: "+theSynth);
  85         theSynth.open();
  86         try {
  87             Soundbank theSoundbank = theSynth.getDefaultSoundbank();
  88             System.out.println("Got soundbank: "+theSoundbank);
  89             theSynth.loadAllInstruments(theSoundbank);
  90             try {
  91                     if (!checkInstrumentNames(theSynth)) {
  92                             throw new Exception("Test failed");
  93                     }
  94             } finally {
  95                     theSynth.unloadAllInstruments(theSoundbank);
  96             }
  97         } finally {
  98             theSynth.close();
  99         }
 100         System.out.println("Test passed.");
 101     }
 102 
 103     /**
 104      * Returns true if at least one soundcard is correctly installed
 105      * on the system.
 106      */
 107     public static boolean isSoundcardInstalled() {
 108         boolean result = false;
 109         try {
 110             Mixer.Info[] mixers = AudioSystem.getMixerInfo();
 111             if (mixers.length > 0) {
 112                 result = AudioSystem.getSourceDataLine(null) != null;
 113             }
 114         } catch (Exception e) {
 115             System.err.println("Exception occured: "+e);
 116         }
 117         if (!result) {
 118             System.err.println("Soundcard does not exist or sound drivers not installed!");
 119             System.err.println("This test requires sound drivers for execution.");
 120         }
 121         return result;
 122     }
 123 }