public boolean load(File file) {
this.file = file;
if (file != null && file.isFile()) {
try {
errStr = null;
audioInputStream = AudioSystem.getAudioInputStream(file);
fileName = file.getName();
format = audioInputStream.getFormat();
} catch (Exception ex) {
reportStatus(ex.toString());
return false;
}
} else {
reportStatus("Audio file required.");
return false;
}
numChannels = format.getChannels();
sampleRate = (double) format.getSampleRate();
sampleBitSize = format.getSampleSizeInBits();
long frameLength = audioInputStream.getFrameLength();
long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
double audioFileDuration = milliseconds / 1000.0;
if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
else duration = audioFileDuration;
frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);
try {
audioBytes = new byte[(int) frameLength * format.getFrameSize()];
audioInputStream.read(audioBytes);
} catch (Exception ex) {
reportStatus(ex.toString());
return false;
}
getAudioData();
return true;
}
@Override
public void drop(DropTargetDropEvent dtde) {
try {
if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
Transferable t = dtde.getTransferable();
List list = (List) t.getTransferData(DataFlavor.javaFileListFlavor);
for (Object o : list) {
if (o instanceof File) {
File f = (File) o;
System.out.println(f.getAbsolutePath());
}
}
dtde.dropComplete(true);
return;
}
} catch (UnsupportedFlavorException | IOException ex) {
ex.printStackTrace();
}
dtde.rejectDrop();
}
public static void storeImage(BufferedImage image, String s) {
String ext;
File f;
try {
ext = s.substring(s.lastIndexOf(".") + 1);
f = new File(s);
f.mkdirs();
} catch (Exception e) {
System.out.println(e);
return;
}
if (!ext.equals("gif") && !ext.equals("jpg") && !ext.equals("png")) {
System.out.println("Cannot write to file: Illegal extension " + ext);
return;
}
try {
ImageIO.write(image, ext, f);
} catch (Exception e) {
System.out.println(e);
}
}