/**
* Uploads file to FPT server synchronously.
*
* @param context Context
* @param host
* @param port
* @param local
* @param remote
* @return
*/
public static boolean uploadFileSync(
Context context, String host, int port, String local, String remote) {
AssetManager assets = context.getAssets();
File tempFile = CacheUtils.createTempFile(context);
FTPClient client = new FTPClient();
try {
if (tempFile == null) {
return false;
}
if (!CacheUtils.copyFileFromAssetsToStorage(assets, local, tempFile)) {
Log.e(TAG, "uploadFile() Can't copy file " + local + " to " + tempFile.getAbsolutePath());
return false;
}
if (!client.connect(host, port)) {
Log.e(TAG, "uploadFile() Can't connect to " + host + ":" + port);
return false;
}
// Start transfer
boolean result = client.putSync(tempFile.getAbsolutePath(), remote);
// Check result
if (FTPClientStatus.isFailure(client.getReplyStatus())) {
Log.e(TAG, "uploadFile() Failed to upload file to ftp " + host + ":" + port);
return false;
}
return result;
} finally {
// Delete temp file
if (tempFile != null && tempFile.exists()) {
if (!tempFile.delete()) {
Log.w(TAG, "Can't delete file " + tempFile.getAbsolutePath());
}
}
// Close FTP connection
if (client.isConnected()) {
client.disconnect();
}
}
}
/**
* Uploads file to FTP server asynchronously with progress tracking.
*
* @param assets - instance of AssetManager
* @param host - host name or IP address.
* @param port - port
* @param local - local file name in assets folder
* @param remote - remote file name
* @param listener - instance of ProgressListener. May be null.
* @return returns true if success or false if error occurred.
*/
public static boolean uploadFile(
Context context,
String host,
int port,
String local,
String remote,
final ProgressListener listener) {
Log.d(TAG, "Uploading file " + local + " to " + host + ":" + port);
AssetManager assets = context.getAssets();
File tempFile = CacheUtils.createTempFile(context);
FTPClient client = new FTPClient();
try {
if (tempFile == null) {
return false;
}
if (!CacheUtils.copyFileFromAssetsToStorage(assets, local, tempFile)) {
Log.e(TAG, "uploadFile() Can't copy file " + local + " to " + tempFile.getAbsolutePath());
return false;
}
// Send file over ftp
if (!client.connect(host, port)) {
Log.e(TAG, "uploadFile() Can't connect to " + host + ":" + port);
return false;
}
final Object lock = new Object();
client.setProgressListener(
new FTPProgressListener() {
public void onStatusChanged(FTPStatus status, float progress, FTPOperation operation) {
if (status == FTPStatus.FTP_PROGRESS) {
listener.onProgress(Math.round(progress));
} else {
synchronized (lock) {
lock.notify();
}
}
}
});
// Start transfer
client.put(tempFile.getAbsolutePath(), remote);
// Wait for upload to complete
synchronized (lock) {
try {
lock.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
// Check result
if (FTPClientStatus.isFailure(client.getReplyStatus())) {
Log.e(TAG, "uploadFile() Failed to upload file to ftp " + host + ":" + port);
return false;
}
return true;
} finally {
// Delete temp file
if (tempFile != null && tempFile.exists()) {
if (!tempFile.delete()) {
Log.w(TAG, "Can't delete file " + tempFile.getAbsolutePath());
}
}
// Close FTP connection
if (client.isConnected()) {
client.disconnect();
}
}
}