/**
* Walk through tall Files and remove the ones for the current device.
*
* @param dirsToRefresh list of the directory to refresh, null if all of them
* @return true if there was any file removed.
*/
private boolean cleanFiles(List<Directory> dirsToRefresh) {
boolean bChanges = false;
final List<org.jajuk.base.File> files = FileManager.getInstance().getFiles();
for (final org.jajuk.base.File file : files) {
// check if it is a file located inside refreshed directory
if (dirsToRefresh != null) {
boolean checkIt = false;
for (Directory directory : dirsToRefresh) {
if (file.hasAncestor(directory)) {
checkIt = true;
}
}
// This item is not in given directories, just continue
if (!checkIt) {
continue;
}
}
if (!ExitService.isExiting()
&& file.getDirectory().getDevice().equals(this)
&& file.isReady()
&&
// Remove file if it doesn't exist any more or if it is a iTunes
// file (useful for jajuk < 1.4)
(!file.getFIO().exists() || file.getName().startsWith("._"))) {
FileManager.getInstance().removeFile(file);
Log.debug("Removed: " + file);
bChanges = true;
if (reporter != null) {
reporter.notifyFileOrPlaylistDropped();
}
}
}
return bChanges;
}
/**
* Test device accessibility.
*
* @return true if the device is available
*/
public boolean test() {
UtilGUI.waiting(); // waiting cursor
boolean bOK = false;
boolean bWasMounted = bMounted; // store mounted state of device before
// mount test
try {
if (!bMounted) {
mount(true);
}
} catch (final Exception e) {
UtilGUI.stopWaiting();
return false;
}
if (getLongValue(Const.XML_TYPE) != 5) { // not a remote device
final File file = new File(sUrl);
if (file.exists() && file.canRead()) { // see if the url exists
// and is readable
// check if this device was void
boolean bVoid = true;
for (org.jajuk.base.File f : FileManager.getInstance().getFiles()) {
if (f.getDirectory().getDevice().equals(this)) {
// at least one field in this device
bVoid = false;
break;
}
}
if (!bVoid) { // if the device is not supposed to be void,
// check if it is the case, if no, the device
// must not be unix-mounted
if (file.list().length > 0) {
bOK = true;
}
} else { // device is void, OK we assume it is accessible
bOK = true;
}
}
} else {
bOK = false; // TBI
}
// unmount the device if it was mounted only for the test
if (!bWasMounted) {
try {
unmount(false, false);
} catch (final Exception e1) {
Log.error(e1);
}
}
UtilGUI.stopWaiting();
return bOK;
}
/**
* Sets the url.
*
* @param url The sUrl to set.
*/
public void setUrl(final String url) {
sUrl = url;
setProperty(Const.XML_URL, url);
fio = new File(url);
/** Reset files */
for (final org.jajuk.base.File file : FileManager.getInstance().getFiles()) {
file.reset();
}
/** Reset playlists */
for (final Playlist plf : PlaylistManager.getInstance().getPlaylists()) {
plf.reset();
}
/** Reset directories */
for (final Directory dir : DirectoryManager.getInstance().getDirectories()) {
dir.reset();
}
// Reset the root dir
rootDir = null;
}
public class CAMenuControl extends JFrame {
JButton randomB, loadFileB, helpB, exitB;
JComboBox populationCB, rulesetCB, filenameCB;
JTextField pathTF;
JLabel randomL, loadL, populationL, rulesetL, pathL;
JSeparator sep1, sep2;
JPanel buttonP;
ActionListener handler = new ButtonHandler();
FileManager fm = FileManager.getInstance();
public CAMenuControl(RuleSet[] rules, String[] files) {
super();
// buttons
randomB = new JButton("Create Simulation");
randomB.addActionListener(handler);
loadFileB = new JButton("Load Simulation");
loadFileB.addActionListener(handler);
helpB = new JButton("Help");
helpB.addActionListener(handler);
exitB = new JButton("Exit");
exitB.addActionListener(handler);
// comboboxes
Integer[] populations = {10, 20, 30, 40, 50, 60, 70, 80, 90};
populationCB = new JComboBox<Integer>(populations);
rulesetCB = new JComboBox<RuleSet>(rules);
rulesetCB.addActionListener(handler);
filenameCB = new JComboBox<String>(files);
// labels
Font title = new Font("Ariel", Font.BOLD, 14);
randomL = new JLabel("Create a simulation:", JLabel.CENTER);
randomL.setFont(title);
populationL = new JLabel("Population (%): ", JLabel.RIGHT);
rulesetL = new JLabel("Ruleset to use: ", JLabel.RIGHT);
loadL = new JLabel("Load simulation from xml file:", JLabel.CENTER);
loadL.setFont(title);
pathL = new JLabel("Select file: ", JLabel.RIGHT);
sep1 = new JSeparator(JSeparator.HORIZONTAL);
sep1.setPreferredSize(new Dimension(50, 5));
sep1.setBackground(Color.DARK_GRAY);
sep2 = new JSeparator(JSeparator.HORIZONTAL);
sep2.setPreferredSize(new Dimension(50, 5));
sep2.setBackground(Color.DARK_GRAY);
buttonP = new JPanel();
buttonP.setLayout(new GridLayout(1, 2, 1, 1));
buttonP.add(helpB);
buttonP.add(exitB);
setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
c.weightx = 1.0;
c.weighty = 1.0;
c.gridx = 0;
c.gridy = 0;
// row1
c.gridwidth = 2;
add(randomL, c);
// row2
c.gridwidth = 1;
c.gridy = 1;
c.gridx = 0;
add(rulesetL, c);
c.gridx = 1;
add(rulesetCB, c);
// row3
c.gridwidth = 1;
c.gridy++;
c.gridx = 0;
add(populationL, c);
c.gridx++;
add(populationCB, c);
c.gridy++;
c.gridx = 1;
add(randomB, c);
// sep
c.gridy++;
c.gridx = 0;
c.gridwidth = 2;
add(sep1, c);
// row4
c.gridwidth = 2;
c.gridy++;
c.gridx = 0;
add(loadL, c);
// row5
c.gridwidth = 1;
c.gridy++;
c.gridx = 0;
add(pathL, c);
c.gridx = 1;
add(filenameCB, c);
c.gridy++;
c.gridx = 1;
add(loadFileB, c);
// sep
c.gridy++;
c.gridx = 0;
c.gridwidth = 3;
add(sep2, c);
// row6
c.gridy++;
c.gridx = 0;
c.gridwidth = 3;
add(buttonP, c);
setSize(500, 300);
setLocationRelativeTo(null);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
}
private Simulation loadAnt() {
return fm.loadXML("LANGTONS_ANT.xml");
}
class ButtonHandler implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == randomB) {
Simulation sim;
if (rulesetCB.getSelectedItem().getClass().getName().equals("CS415.LangtonsAnt")) {
sim = loadAnt();
} else {
sim =
new Simulation(
(RuleSet) rulesetCB.getSelectedItem(),
50,
50,
(int) populationCB.getSelectedItem());
}
if (sim != null) {
CAApplication.control = new SimControl(sim);
setVisible(false);
}
} else if (e.getSource() == loadFileB) {
Simulation sim = fm.loadXML(filenameCB.getSelectedItem().toString());
new SimControl(sim);
setVisible(false);
} else if (e.getSource() == exitB) {
JOptionPane op = new JOptionPane();
op.showMessageDialog(null, "Your application is awesome, and ran perfectly!");
System.exit(0);
} else if (e.getSource() == rulesetCB) {
if (rulesetCB.getSelectedItem().getClass().getName().equals("CS415.LangtonsAnt")) {
populationL.setVisible(false);
populationCB.setVisible(false);
} else {
populationL.setVisible(true);
populationCB.setVisible(true);
}
}
}
}
}
/**
* The refresh itself.
*
* @param bDeepScan whether it is a deep refresh request or only fast
* @param bManual whether it is a manual refresh or auto
* @param dirsToRefresh list of the directory to refresh, null if all of them
* @return true if some changes occurred in device
*/
boolean refreshCommand(
final boolean bDeepScan, final boolean bManual, List<Directory> dirsToRefresh) {
try {
// Check if this device is mounted (useful when called by
// automatic refresh)
if (!isMounted()) {
return false;
}
// Check that device is still available
boolean readyToMount = checkDevice();
if (!readyToMount) {
return false;
}
bAlreadyRefreshing = true;
// reporter is already set in case of manual refresh
if (reporter == null) {
reporter = new RefreshReporter(this);
}
// Notify the reporter of the actual refresh startup
reporter.refreshStarted();
lDateLastRefresh = System.currentTimeMillis();
// check Jajuk is not exiting because a refresh cannot start in
// this state
if (ExitService.isExiting()) {
return false;
}
int iNbFilesBeforeRefresh = FileManager.getInstance().getElementCount();
int iNbDirsBeforeRefresh = DirectoryManager.getInstance().getElementCount();
int iNbPlaylistsBeforeRefresh = PlaylistManager.getInstance().getElementCount();
if (bDeepScan && Log.isDebugEnabled()) {
Log.debug("Starting refresh of device : " + this);
}
// Create a directory for device itself and scan files to allow
// files at the root of the device
final Directory top = DirectoryManager.getInstance().registerDirectory(this);
if (!getDirectories().contains(top)) {
addDirectory(top);
}
// Start actual scan
List<Directory> dirs = null;
if (dirsToRefresh == null) {
// No directory specified ? refresh the top directory
dirs = new ArrayList<Directory>(1);
dirs.add(top);
} else {
dirs = dirsToRefresh;
}
for (Directory dir : dirs) {
scanRecursively(dir, bDeepScan);
}
// Force a GUI refresh if new files or directories discovered or have been
// removed
if (((FileManager.getInstance().getElementCount() - iNbFilesBeforeRefresh) != 0)
|| ((DirectoryManager.getInstance().getElementCount() - iNbDirsBeforeRefresh) != 0)
|| ((PlaylistManager.getInstance().getElementCount() - iNbPlaylistsBeforeRefresh) != 0)) {
return true;
}
return false;
} catch (final Exception e) {
// and regular ones logged
Log.error(e);
return false;
} finally {
// make sure to unlock refreshing even if an error occurred
bAlreadyRefreshing = false;
// reporter is null if mount is not mounted due to early return
if (reporter != null) {
// Notify the reporter of the actual refresh startup
reporter.done();
// Reset the reporter as next time, it could be another type
reporter = null;
}
}
}
@Before
public void setUp() {
manager = FileManager.getInstance();
root = manager.getFileSystem().getRoot();
}
