public boolean isLoggedIn() {
return isConnected()
&& session != null
&& session.isConnected()
&& channel != null
&& channel.isConnected();
}
static void downloadAllFiles(String fileType) {
try {
java.util.Vector fileList = sftpChannel.ls(".");
if (fileList != null) {
for (int ii = 0; ii < fileList.size(); ii++) {
Object obj = fileList.elementAt(ii);
LsEntry lsentry = (com.jcraft.jsch.ChannelSftp.LsEntry) obj;
if (obj instanceof com.jcraft.jsch.ChannelSftp.LsEntry) {
String fileName = ((com.jcraft.jsch.ChannelSftp.LsEntry) obj).getFilename();
if (fileType.equals(".*")) {
if (!(lsentry.getAttrs().isDir())) {
boolean valid = checkFileName(fileName);
if (valid) {
totalFileCount++;
downloadFileByName(fileName);
}
}
} else if (fileName.toLowerCase().endsWith(fileType)) {
boolean valid = checkFileName(fileName);
if (valid) {
totalFileCount++;
downloadFileByName(fileName);
}
}
}
}
}
} catch (Exception e) {
System.out.println("Exception in downloadAllFiles(): " + e.toString());
errorMessage += "Exception in downloadAllFiles(): " + e.toString() + "\n";
}
}
public void login(String username, String password) throws JSchException {
session = jSch.getSession(username, ip, port);
session.setPassword(password);
//// FIXME: 03/04/2016 Security
session.setConfig("StrictHostKeyChecking", "no");
session.connect();
channel = (ChannelSftp) session.openChannel("sftp");
channel.connect();
}
private static void moveFileToProcessedFolder(String fileName) {
try {
String newPath = processedDirectory + "/" + fileName;
sftpChannel.rename(fileName, newPath);
System.out.println("File moved to processed folder");
} catch (Exception e) {
System.out.println("Exception in moveFile(" + fileName + "): " + e.toString());
errorMessage += "Exception in moveFile(" + fileName + "): " + e.toString() + "\n";
}
}
public void close() {
try {
channel.exit();
} catch (Exception e) {
}
try {
session.disconnect();
} catch (Exception e) {
}
}
private static boolean goToServerDirectory() {
try {
System.out.println("Accessing ServerDirectory : " + serverDirectory);
sftpChannel.cd(serverDirectory);
System.out.println("Accessing ServerDirectory Completed.");
return true;
} catch (Exception e) {
System.out.println(
"Exception in goToServerDirectory(" + serverDirectory + "): " + e.toString());
errorMessage +=
"Exception in goToServerDirectory(" + serverDirectory + "): " + e.toString() + "\n";
}
return false;
}
static void downloadFileByName(String filename) {
try {
System.out.println("Downloading file : " + filename);
int mode = ChannelSftp.OVERWRITE;
sftpChannel.get(filename, localDirectory, null, mode);
downloadedFileCount++;
System.out.println("Download Completed.");
// file moving to processed folder
moveFileToProcessedFolder(filename);
} catch (SftpException e) {
System.out.println("Exception in downloadFileByName(" + filename + "): " + e.toString());
errorMessage += "Exception in downloadFileByName(" + filename + "): " + e.toString() + "\n";
} catch (Exception e) {
System.out.println("Exception in downloadFileByName(" + filename + "): " + e.toString());
errorMessage += "Exception in downloadFileByName(" + filename + "): " + e.toString() + "\n";
}
}
private static boolean isDirecotryExist(String processedDirectory) {
try {
java.util.Vector fileList = sftpChannel.ls(".");
if (fileList != null) {
for (int ii = 0; ii < fileList.size(); ii++) {
Object obj = fileList.elementAt(ii);
LsEntry lsentry = (com.jcraft.jsch.ChannelSftp.LsEntry) obj;
if (obj instanceof com.jcraft.jsch.ChannelSftp.LsEntry) {
String fileName = ((com.jcraft.jsch.ChannelSftp.LsEntry) obj).getFilename();
if (fileName.equals(processedDirectory)) {
return true;
}
}
}
}
} catch (Exception e) {
System.out.println("Exception in isDirecotryExist(): " + e.toString());
errorMessage += "Exception in isDirecotryExist(): " + e.toString() + "\n";
}
return false;
}
public static String loadFilesFromSFTP(
String fileName,
String localDirectory,
String username,
String password,
String serverPath,
int port)
throws Exception {
int i = 1;
if (i == 1) throw new Exception();
try {
String[] strArray = splitHostNameAndDirectory(serverPath);
if (!((strArray[0].length() > 0) && (strArray[1].length() > 0))) {
return "F+Invalid server path.+" + "Error Occurred in loadFilesFromSFTP(): " + errorMessage;
}
String strHost = strArray[0];
String strServerDirectory = strArray[1];
setProperties(strServerDirectory, localDirectory, username, password, strHost, port);
boolean validConnection = getConnection(username, password, strHost, port);
if (validConnection) {
boolean isAccessible = goToServerDirectory();
if (isAccessible) {
if (!isDirecotryExist(processedDirectory)) sftpChannel.mkdir(processedDirectory);
getIVRSTrialList();
if (fileName.matches(
"\\x2A\\x2E(([\\p{Alnum}]{3,4})|(\\x2A))")) // pattern for [*.txt] or [*.html] //
// [*->42(Ox2A) and .->46(Ox2E)]
{
int dotPos = fileName.toLowerCase().lastIndexOf('.', fileName.length());
String fileType = fileName.toLowerCase().substring(dotPos, fileName.length());
downloadAllFiles(fileType);
} else {
totalFileCount = 1;
downloadFileByName(fileName);
}
}
disconnectFromSFTP();
errorMessageFurnishing();
if ((totalFileCount == 0) && (downloadedFileCount == 0)) {
logMessage = "T+" + "Server has no files to download.+" + errorMessage;
} else if (totalFileCount != downloadedFileCount) {
logMessage =
"T+"
+ downloadedFileCount
+ " file(s) downloaded out of "
+ totalFileCount
+ " files.+"
+ errorMessage;
} else if (totalFileCount == downloadedFileCount) {
logMessage =
"T+Successfully " + downloadedFileCount + " file(s) downloaded.+" + errorMessage;
}
} else {
logMessage = "F+Connection Error Occurred.+" + errorMessage;
}
return logMessage;
} catch (Exception e) {
disconnectFromSFTP();
System.out.println("Exception in loadFilesFromSFTP(): " + e.toString());
errorMessage += "Exception in loadFilesFromSFTP(): " + e.toString();
return "F+Error Occurred in loadFilesFromSFTP()+" + errorMessage;
}
}
public void put(InputStream in, String remote) throws JSchException, SftpException {
channel.put(in, remote);
}
public InputStream get(String remote) throws JSchException, SftpException {
return channel.get(remote);
}
