/*
* Create a new empty sound
*/
public ArrayList<Integer> newSound(int soundLength) {
myHelper = new Helper(soundLength);
myHelper.setViewer(this);
data = myHelper.getData();
createMainFrame();
return data;
}
/*
* Load a sound given a specific file name
*/
public ArrayList<Integer> load(String filename) {
if (filename == null) {
System.err.println("Please specify a valid file name");
return null;
}
File file = new File(filename);
if (!file.isFile()) {
System.err.println("File not found");
return null;
}
String name = file.getName();
if (!(name.endsWith(".au")
|| name.endsWith(".wav")
|| name.endsWith(".aiff")
|| name.endsWith(".aif"))) {
System.err.println(
"Audio format not supported. Please use either files ending with '.au', '.wav', '.aiff', '.aif'");
return null;
}
myHelper = new Helper(file);
myHelper.setViewer(this);
createMainFrame();
data = myHelper.getData();
return data;
}
/*
* Load some sound data from through a file chooser
* We restrict the allowed file formats to .wav, .au .aif .aiff.
* We only check agains the file name. The file may actually be encoded
* differently.
*/
public ArrayList<Integer> load() {
JFileChooser fileChooser = new JFileChooser();
File thisFile = new File(".");
try {
fileChooser = new JFileChooser(thisFile.getCanonicalPath());
} catch (Exception e) {
System.out.println("Cannot find current directory.");
// Will simply load from default path instead.
}
fileChooser.setFileFilter(
new javax.swing.filechooser.FileFilter() {
public boolean accept(File f) {
if (f.isDirectory()) {
return true;
}
String name = f.getName();
if (name.endsWith(".au")
|| name.endsWith(".wav")
|| name.endsWith(".aiff")
|| name.endsWith(".aif")) {
return true;
}
return false;
}
public String getDescription() {
return ".au, .wav, .aif";
}
});
int returnVal = fileChooser.showOpenDialog(new JFrame());
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
myHelper = new Helper(file);
myHelper.setViewer(this);
data = myHelper.getData();
createMainFrame();
return data;
}
return null;
}