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;
}
private void cleanup(File directory) {
// Clean up from old installations, removing or renaming files.
// Note that directory is the parent of the CTP directory
// unless the original installation was done by Bill Weadock's
// all-in-one installer for Windows.
// Get a file pointing to the CTP directory.
// This might be the current directory, or
// it might be the CTP child.
File dir;
if (directory.getName().equals("RSNA")) dir = directory;
else dir = new File(directory, "CTP");
// If CTP.jar exists in this directory, it is a really
// old CTP main file - not used anymore
File ctp = new File(dir, "CTP.jar");
if (ctp.exists()) ctp.delete();
// These are old names for the Launcher.jar file
File launcher = new File(dir, "CTP-launcher.jar");
if (launcher.exists()) launcher.delete();
launcher = new File(dir, "TFS-launcher.jar");
if (launcher.exists()) launcher.delete();
// Delete the obsolete CTP-runner.jar file
File runner = new File(dir, "CTP-runner.jar");
if (runner.exists()) runner.delete();
// Delete the obsolete MIRC-copier.jar file
File copier = new File(dir, "MIRC-copier.jar");
if (copier.exists()) copier.delete();
// Rename the old versions of the properties files
File oldprops = new File(dir, "CTP-startup.properties");
File newprops = new File(dir, "CTP-launcher.properties");
File correctprops = new File(dir, "Launcher.properties");
if (oldprops.exists()) {
if (newprops.exists() || correctprops.exists()) oldprops.delete();
else oldprops.renameTo(correctprops);
}
if (newprops.exists()) {
if (correctprops.exists()) newprops.delete();
else newprops.renameTo(correctprops);
}
// Get rid of obsolete startup and shutdown programs
File startup = new File(dir, "CTP-startup.jar");
if (startup.exists()) startup.delete();
File shutdown = new File(dir, "CTP-shutdown.jar");
if (shutdown.exists()) shutdown.delete();
// Get rid of the obsolete linux directory
File linux = new File(dir, "linux");
if (linux.exists()) {
startup = new File(linux, "CTP-startup.jar");
if (startup.exists()) startup.delete();
shutdown = new File(linux, "CTP-shutdown.jar");
if (shutdown.exists()) shutdown.delete();
linux.delete();
}
// clean up the libraries directory
File libraries = new File(dir, "libraries");
if (libraries.exists()) {
// remove obsolete versions of the slf4j libraries
// and the dcm4che-imageio libraries
File[] files = libraries.listFiles();
for (File file : files) {
if (file.isFile()) {
String name = file.getName();
if (name.startsWith("slf4j-") || name.startsWith("dcm4che-imageio-rle")) {
file.delete();
}
}
}
// remove the email subdirectory
File email = new File(libraries, "email");
deleteAll(email);
// remove the xml subdirectory
File xml = new File(libraries, "xml");
deleteAll(xml);
// remove the sftp subdirectory
File sftp = new File(libraries, "sftp");
deleteAll(xml);
// move edtftpj.jar to the ftp directory
File edtftpj = new File(libraries, "edtftpj.jar");
if (edtftpj.exists()) {
File ftp = new File(libraries, "ftp");
ftp.mkdirs();
File ftpedtftpj = new File(ftp, "edtftpj.jar");
edtftpj.renameTo(ftpedtftpj);
}
}
// remove the obsolete xml library under dir
File xml = new File(dir, "xml");
deleteAll(xml);
// remove the dicom profiles so any
// obsolete files will disappear
File profiles = new File(dir, "profiles");
File dicom = new File(profiles, "dicom");
deleteAll(dicom);
dicom.mkdirs();
// Remove the index.html file so it will be rebuilt from
// example-index.html when the system next starts.
File root = new File(dir, "ROOT");
if (root.exists()) {
File index = new File(root, "index.html");
index.delete();
}
}