private static Line getLine(String propName, Line.Info info) throws LineUnavailableException {
List<?> mixerProviders = ProviderService.getProviders(mixerProviderPath);
if (propName != null) {
String propVal = System.getProperty(propName);
if (propVal != null) {
Mixer m = getMixer(propVal, info, mixerProviders);
if (m != null) {
Line l = m.getLine(info);
if (l != null) {
return l;
}
}
}
Properties soundProperties = ProviderService.getSoundProperties();
propVal = soundProperties.getProperty(propName);
if (propVal != null) {
Mixer m = getMixer(propVal, info, mixerProviders);
if (m != null) {
Line l = m.getLine(info);
if (l != null) {
return l;
}
}
}
}
for (Iterator providers = ProviderService.getProviders(mixerProviderPath).iterator();
providers.hasNext(); ) {
try {
MixerProvider pr = (MixerProvider) (providers.next());
Mixer.Info[] mixinfos = pr.getMixerInfo();
for (Mixer.Info mixinfo : mixinfos) {
try {
Mixer mix = pr.getMixer(mixinfo);
return mix.getLine(info);
} catch (IllegalArgumentException e) {
// continue
}
}
} catch (ClassCastException e) {
}
}
// sound.11=Could not get line
throw new IllegalArgumentException(Messages.getString("sound.11")); // $NON-NLS-1$
}
public static boolean isFileTypeSupported(AudioFileFormat.Type fileType) {
for (Iterator providers = ProviderService.getProviders(audioFileWriterPath).iterator();
providers.hasNext(); ) {
if (((AudioFileWriter) (providers.next())).isFileTypeSupported(fileType)) {
return true;
}
}
return false;
}
public static boolean isConversionSupported(AudioFormat targetFormat, AudioFormat sourceFormat) {
for (Iterator providers = ProviderService.getProviders(formatConversionProviderPath).iterator();
providers.hasNext(); ) {
if (((FormatConversionProvider) (providers.next()))
.isConversionSupported(targetFormat, sourceFormat)) {
return true;
}
}
return false;
}
public static int write(AudioInputStream stream, AudioFileFormat.Type fileType, File out)
throws IOException {
AudioFileWriter writer;
for (Iterator providers = ProviderService.getProviders(audioFileWriterPath).iterator();
providers.hasNext(); ) {
writer = (AudioFileWriter) (providers.next());
if (writer.isFileTypeSupported(fileType, stream)) {
return writer.write(stream, fileType, out);
}
}
// sound.18=Type is not supported
throw new IllegalArgumentException(Messages.getString("sound.18")); // $NON-NLS-1$
}
public static AudioInputStream getAudioInputStream(File file)
throws UnsupportedAudioFileException, IOException {
for (Iterator providers = ProviderService.getProviders(audioFileReaderPath).iterator();
providers.hasNext(); ) {
try {
return ((AudioFileReader) (providers.next())).getAudioInputStream(file);
} catch (ClassCastException e) {
} catch (UnsupportedAudioFileException e) {
}
}
// sound.17=Could not get audio input stream from input file
throw new UnsupportedAudioFileException(Messages.getString("sound.17")); // $NON-NLS-1$
}
public static AudioFileFormat getAudioFileFormat(File file)
throws UnsupportedAudioFileException, IOException {
for (Iterator providers = ProviderService.getProviders(audioFileReaderPath).iterator();
providers.hasNext(); ) {
try {
return ((AudioFileReader) (providers.next())).getAudioFileFormat(file);
} catch (ClassCastException e) {
} catch (UnsupportedAudioFileException e) {
}
}
// sound.14=File is not a supported file type
throw new UnsupportedAudioFileException(Messages.getString("sound.14")); // $NON-NLS-1$
}
public static Mixer.Info[] getMixerInfo() {
List<Mixer.Info> result = new ArrayList<Mixer.Info>();
for (Iterator providers = ProviderService.getProviders(mixerProviderPath).iterator();
providers.hasNext(); ) {
try {
Mixer.Info[] infos = ((MixerProvider) (providers.next())).getMixerInfo();
for (Mixer.Info info : infos) {
result.add(info);
}
} catch (ClassCastException e) {
}
}
Mixer.Info[] temp = new Mixer.Info[result.size()];
return result.toArray(temp);
}
public static AudioFileFormat.Type[] getAudioFileTypes() {
List<AudioFileFormat.Type> result = new ArrayList<AudioFileFormat.Type>();
for (Iterator providers = ProviderService.getProviders(audioFileWriterPath).iterator();
providers.hasNext(); ) {
try {
AudioFileFormat.Type[] types = ((AudioFileWriter) (providers.next())).getAudioFileTypes();
for (AudioFileFormat.Type type : types) {
result.add(type);
}
} catch (ClassCastException e) {
}
}
AudioFileFormat.Type[] temp = new AudioFileFormat.Type[result.size()];
return result.toArray(temp);
}
public static AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat) {
List<AudioFormat.Encoding> result = new ArrayList<AudioFormat.Encoding>();
for (Iterator providers = ProviderService.getProviders(formatConversionProviderPath).iterator();
providers.hasNext(); ) {
try {
AudioFormat.Encoding[] encodings =
((FormatConversionProvider) (providers.next())).getTargetEncodings(sourceFormat);
for (AudioFormat.Encoding encoding : encodings) {
result.add(encoding);
}
} catch (ClassCastException e) {
}
}
AudioFormat.Encoding[] temp = new AudioFormat.Encoding[result.size()];
return result.toArray(temp);
}
public static AudioInputStream getAudioInputStream(
AudioFormat targetFormat, AudioInputStream sourceStream) {
if (sourceStream.getFormat().matches(targetFormat)) {
return sourceStream;
}
for (Iterator providers = ProviderService.getProviders(formatConversionProviderPath).iterator();
providers.hasNext(); ) {
try {
return ((FormatConversionProvider) (providers.next()))
.getAudioInputStream(targetFormat, sourceStream);
} catch (ClassCastException e) {
} catch (IllegalArgumentException e) {
}
}
// sound.13=Could not get audio input stream from source stream
throw new IllegalArgumentException(Messages.getString("sound.13")); // $NON-NLS-1$
}
public static boolean isLineSupported(Line.Info info) {
for (Iterator providers = ProviderService.getProviders(mixerProviderPath).iterator();
providers.hasNext(); ) {
try {
MixerProvider pr = (MixerProvider) providers.next();
Mixer.Info[] mixinfos = pr.getMixerInfo();
for (Mixer.Info mixinfo : mixinfos) {
Mixer mix = pr.getMixer(mixinfo);
if (mix.isLineSupported(info)) {
return true;
}
}
} catch (ClassCastException e) {
}
}
return false;
}
public static AudioFormat.Encoding[] getTargetEncodings(AudioFormat.Encoding sourceEncoding) {
List<AudioFormat.Encoding> result = new ArrayList<AudioFormat.Encoding>();
for (Iterator providers = ProviderService.getProviders(formatConversionProviderPath).iterator();
providers.hasNext(); ) {
try {
FormatConversionProvider pr = (FormatConversionProvider) providers.next();
if (!pr.isSourceEncodingSupported(sourceEncoding)) {
continue;
}
AudioFormat.Encoding[] encodings = pr.getTargetEncodings();
for (AudioFormat.Encoding encoding : encodings) {
result.add(encoding);
}
} catch (ClassCastException e) {
}
}
AudioFormat.Encoding[] temp = new AudioFormat.Encoding[result.size()];
return result.toArray(temp);
}
public static Line.Info[] getTargetLineInfo(Line.Info info) {
List<Line.Info> result = new ArrayList<Line.Info>();
for (Iterator providers = ProviderService.getProviders(mixerProviderPath).iterator();
providers.hasNext(); ) {
try {
MixerProvider pr = (MixerProvider) providers.next();
Mixer.Info[] mixinfos = pr.getMixerInfo();
for (Mixer.Info mixinfo : mixinfos) {
Mixer mix = pr.getMixer(mixinfo);
Line.Info[] linfos = mix.getTargetLineInfo(info);
for (Line.Info linfo : linfos) {
result.add(linfo);
}
}
} catch (ClassCastException e) {
}
}
Line.Info[] temp = new Line.Info[result.size()];
return result.toArray(temp);
}
public static Mixer getMixer(Mixer.Info info) {
Mixer.Info[] infos;
Mixer.Info inf;
if (info == null) {
infos = getMixerInfo();
if (infos == null) {
throw new IllegalArgumentException("No system default mixer installed"); // $NON-NLS-1$
}
inf = infos[0];
} else {
inf = info;
}
for (Iterator providers = ProviderService.getProviders(mixerProviderPath).iterator();
providers.hasNext(); ) {
try {
return ((MixerProvider) (providers.next())).getMixer(inf);
} catch (ClassCastException e) {
} catch (IllegalArgumentException e) {
}
}
throw new IllegalArgumentException("Mixer not supported: " + inf); // $NON-NLS-1$
}