/*
* Returns a session id for keeping a session on a HTTP site.
*
* @param url is the url of the HTTP site.
*
* @return a session id for keeping a session on a HTTP site or null if no session is available.
*/
public static String getSessionId(String url) {
HttpURLConnection conn = null;
try {
// Open connection
conn = FileTransfer.connectToHttpInputConnection(new URL(url));
if (conn == null) {
throw new IOException("Could not open connection to '" + url + "'");
}
// Get a session id if available
final GetSessionIdThread sessionIdThread = new GetSessionIdThread(conn);
sessionIdThread.start();
// Wait for the session id
synchronized (sessionIdThread.monitor) {
while (!sessionIdThread.isFinished) {
try {
sessionIdThread.monitor.wait(sessionTimeout);
sessionIdThread.interrupt();
} catch (InterruptedException e) {
// Immediately reasserts the exception by interrupting the caller thread itself
Thread.currentThread().interrupt();
return null;
}
}
}
// Return the session id
return sessionIdThread.sessionId;
} catch (final IOException e) {
return null;
} finally {
// Make sure the connection is disconnected.
// This will cause threads using the connection to throw an exception
// and thereby terminate if they were hanging.
if (conn != null) {
conn.disconnect();
}
}
}
/**
* Handles buttons action events.
*
* @param evt the <tt>ActionEvent</tt> that notified us
*/
public void actionPerformed(ActionEvent evt) {
JButton sourceButton = (JButton) evt.getSource();
if (sourceButton.equals(openFileButton)) {
this.openFile(downloadFile);
} else if (sourceButton.equals(openFolderButton)) {
try {
File downloadDir = GuiActivator.getFileAccessService().getDefaultDownloadDirectory();
GuiActivator.getDesktopService().open(downloadDir);
} catch (IllegalArgumentException e) {
if (logger.isDebugEnabled()) logger.debug("Unable to open folder.", e);
this.showErrorMessage(resources.getI18NString("service.gui.FOLDER_DOES_NOT_EXIST"));
} catch (NullPointerException e) {
if (logger.isDebugEnabled()) logger.debug("Unable to open folder.", e);
this.showErrorMessage(resources.getI18NString("service.gui.FOLDER_DOES_NOT_EXIST"));
} catch (UnsupportedOperationException e) {
if (logger.isDebugEnabled()) logger.debug("Unable to open folder.", e);
this.showErrorMessage(resources.getI18NString("service.gui.FILE_OPEN_NOT_SUPPORTED"));
} catch (SecurityException e) {
if (logger.isDebugEnabled()) logger.debug("Unable to open folder.", e);
this.showErrorMessage(resources.getI18NString("service.gui.FOLDER_OPEN_NO_PERMISSION"));
} catch (IOException e) {
if (logger.isDebugEnabled()) logger.debug("Unable to open folder.", e);
this.showErrorMessage(resources.getI18NString("service.gui.FOLDER_OPEN_NO_APPLICATION"));
} catch (Exception e) {
if (logger.isDebugEnabled()) logger.debug("Unable to open file.", e);
this.showErrorMessage(resources.getI18NString("service.gui.FOLDER_OPEN_FAILED"));
}
} else if (sourceButton.equals(cancelButton)) {
if (fileTransfer != null) fileTransfer.cancel();
}
}
/**
* Sets the file transfer.
*
* @param fileTransfer the file transfer
* @param transferredFileSize the size of the transferred file
*/
protected void setFileTransfer(FileTransfer fileTransfer, long transferredFileSize) {
this.fileTransfer = fileTransfer;
this.transferredFileSize = transferredFileSize;
fileTransfer.addProgressListener(this);
}