/**
* Description: 从FTP服务器下载指定文件夹下的所有文件
*
* @param url FTP服务器hostname
* @param port FTP服务器端口
* @param username FTP登录账号
* @param password FTP登录密码
* @param remotePath FTP服务器上的相对路径
* @param localPath 下载后保存到本地的路径
* @param fileName 保存为该文件名的文件
* @return
*/
public static boolean downFile(
String url,
int port,
String username,
String password,
String remotePath,
String localPath,
String fileName) {
boolean success = false;
FTPClient ftp = null;
try {
int reply;
ftp = getConnection(url, port, username, password);
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return success;
}
boolean changeWorkDirState = false;
changeWorkDirState = ftp.changeWorkingDirectory(remotePath); // 转移到FTP服务器目录
System.out.println(changeWorkDirState == true ? "切换FTP目录 成功" : "切换FTP目录 失败");
if (changeWorkDirState == false) return false;
FTPFile[] fs = ftp.listFiles();
for (FTPFile ff : fs) {
if (ff.getName().equals(fileName)) {
File localFile = new File(localPath + "/" + ff.getName());
OutputStream is = new FileOutputStream(localFile);
ftp.retrieveFile(ff.getName(), is);
is.close();
}
}
ftp.logout();
success = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return success;
}
public void uploadFile(String filePath, byte[] data) throws IOException {
login();
OutputStream os = ftpClient.storeFileStream(filePath);
int ftpUploadReplyCode = ftpClient.getReplyCode();
if (FTPReply.isNegativePermanent(ftpUploadReplyCode)) {
throw new IOException("SERVER FTP:REQUEST DENIED");
} else if (FTPReply.isNegativeTransient(ftpUploadReplyCode)) {
uploadFile(filePath, data);
}
ByteArrayInputStream bais = new ByteArrayInputStream(data);
IOUtils.copy(bais, os);
bais.close();
os.flush();
os.close();
if (!ftpClient.completePendingCommand()) {
uploadFile(filePath, data);
}
logout();
}
/**
* Method that downloads a file from the FTP server.
*
* @param filepath is the absolute path of the file in the FTP server
* @return the file content as byte[]
* @throws IOException if an i/o error occurs.
*/
public byte[] downloadFile(String filepath) throws IOException {
login();
FTPFile ftpFile = ftpClient.listFiles(filepath)[0];
// file exists on FTP server?
if (ftpFile == null) {
throw new IOException("NULL FILE POINTER IN THE FTP SERVER");
}
// file is a directory?
if (ftpFile.isDirectory()) {
throw new IOException("FILE POINTER IS A DIRECTORY");
}
// its a file and exists. start download stream...
InputStream is = ftpClient.retrieveFileStream(filepath);
// how the server replied to the fetch command?
int ftpReplyCode = ftpClient.getReplyCode();
// denied?
if (FTPReply.isNegativePermanent(ftpReplyCode)) {
throw new IOException("SERVER FTP:REQUEST DENIED");
// can we try again?
} else if (FTPReply.isNegativeTransient(ftpReplyCode)) {
// close the already open stream before try again...
if (is != null) {
is.close();
}
return downloadFile(filepath);
}
// server accepted the command
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// copying the file
IOUtils.copy(is, baos);
// closing open streams
is.close();
baos.flush();
baos.close();
// transaction is successful?
boolean transactionCompleted = ftpClient.completePendingCommand();
if (!transactionCompleted) {
return downloadFile(filepath);
}
// we got the file
logout();
return baos.toByteArray();
}
@Override
public void send(Message message, TestContext context) {
FtpMessage ftpMessage;
if (message instanceof FtpMessage) {
ftpMessage = (FtpMessage) message;
} else {
ftpMessage = new FtpMessage(message);
}
String correlationKeyName =
getEndpointConfiguration().getCorrelator().getCorrelationKeyName(getName());
String correlationKey =
getEndpointConfiguration().getCorrelator().getCorrelationKey(ftpMessage);
correlationManager.saveCorrelationKey(correlationKeyName, correlationKey, context);
log.info(
String.format(
"Sending FTP message to: ftp://'%s:%s'",
getEndpointConfiguration().getHost(), getEndpointConfiguration().getPort()));
if (log.isDebugEnabled()) {
log.debug("Message to be sent:\n" + ftpMessage.getPayload().toString());
}
try {
connectAndLogin();
int reply = ftpClient.sendCommand(ftpMessage.getCommand(), ftpMessage.getArguments());
if (!FTPReply.isPositiveCompletion(reply) && !FTPReply.isPositivePreliminary(reply)) {
throw new CitrusRuntimeException(
String.format(
"Failed to send FTP command - reply is: %s:%s", reply, ftpClient.getReplyString()));
}
log.info(
String.format(
"FTP message was successfully sent to: '%s:%s'",
getEndpointConfiguration().getHost(), getEndpointConfiguration().getPort()));
correlationManager.store(
correlationKey,
new FtpMessage(ftpMessage.getCommand(), ftpMessage.getArguments())
.replyCode(reply)
.replyString(ftpClient.getReplyString()));
} catch (IOException e) {
throw new CitrusRuntimeException("Failed to execute ftp command", e);
}
}
@Override
public PropertyList executeCallback(Metadata metadata, PropertyList properties)
throws FTPException {
try {
int port = getPort(metadata.getPropertyList());
String servername = getServername(metadata.getPropertyList());
info("Connecting to FTP-Server: " + servername + ":" + port);
start();
getFTPClient().connect(servername, port);
int reply = getFTPClient().getReplyCode();
stop();
if (!FTPReply.isPositiveCompletion(reply)) {
getFTPClient().disconnect();
throw new FTPException("FTP server refused connection");
}
return null;
} catch (SocketException ex) {
setException(ex);
throw new FTPCommunicationException("Could not connect to FTP-Server", ex);
} catch (IOException ex) {
setException(ex);
throw new FTPCommunicationException("Could not connect to FTP-Server", ex);
}
}
private FTPFile[] listFilesInDirectory(String relPath) throws IOException {
FTPFile[] files;
// VFS-307: no check if we can simply list the files, this might fail if there are spaces in the
// path
files = getFtpClient().listFiles(relPath);
if (FTPReply.isPositiveCompletion(getFtpClient().getReplyCode())) {
return files;
}
// VFS-307: now try the hard way by cd'ing into the directory, list and cd back
// if VFS is required to fallback here the user might experience a real bad FTP performance
// as then every list requires 4 ftp commands.
String workingDirectory = null;
if (relPath != null) {
workingDirectory = getFtpClient().printWorkingDirectory();
if (!getFtpClient().changeWorkingDirectory(relPath)) {
return null;
}
}
files = getFtpClient().listFiles();
if (relPath != null && !getFtpClient().changeWorkingDirectory(workingDirectory)) {
throw new FileSystemException(
"vfs.provider.ftp.wrapper/change-work-directory-back.error", workingDirectory);
}
return files;
}
public void run() {
try {
FTPClient c = new FTPClient();
c.configure(ftpConfig);
logger.debug("Trying to connect");
c.connect("127.0.0.1", 21211);
logger.debug("Connected");
c.setSoTimeout(5000);
if (!FTPReply.isPositiveCompletion(c.getReplyCode())) {
logger.debug("Houston, we have a problem. D/C");
c.disconnect();
throw new Exception();
}
if (c.login("drftpd", "drftpd")) {
logger.debug("Logged-in, now waiting 5 secs and kill the thread.");
_sc.addSuccess();
Thread.sleep(5000);
c.disconnect();
} else {
logger.debug("Login failed, D/C!");
throw new Exception();
}
} catch (Exception e) {
logger.debug(e, e);
_sc.addFailure();
}
logger.debug("exiting");
}
/**
*
*
* <pre>
* <b>Description:</b>
* Function remove folder from ftp
* <b>Creation date: </b>02.05.08
* <b>Modification date: </b>02.05.08
* </pre>
*
* @param String sDirPath � removed directory
* @author Vitalii Fedorets
* @return boolean � true if success
*/
public boolean removeFolder(String sDirPath) throws Exception {
try {
File oDir = new File(sDirPath);
FTPClient oFtp = this.initFtpClientLoginChangeWorkingDirectory(sDirPath);
oFtp.changeWorkingDirectory(oDir.getParent().replace("\\", "/"));
int iReply = oFtp.getReplyCode();
if (!FTPReply.isPositiveCompletion(iReply)) {
log.setError("Not change work directory to `" + oDir.getParent().replace("\\", "/") + "`");
oFtp.disconnect();
return false;
}
if (!oFtp.removeDirectory(sDirPath)) {
log.setError("Could not remove directory `" + sDirPath + "`");
oFtp.disconnect();
return false;
}
return true;
} catch (Exception oEx) {
throw oEx;
}
}
public Object makeObject() throws Exception {
FTPClient client = new FTPClient();
try {
if (uri.getPort() > 0) {
client.connect(uri.getHost(), uri.getPort());
} else {
client.connect(uri.getHost());
}
if (!FTPReply.isPositiveCompletion(client.getReplyCode())) {
throw new IOException("Ftp error: " + client.getReplyCode());
}
if (!client.login(uri.getUsername(), uri.getPassword())) {
throw new IOException("Ftp error: " + client.getReplyCode());
}
if (!client.setFileType(FTP.BINARY_FILE_TYPE)) {
throw new IOException("Ftp error. Couldn't set BINARY transfer type.");
}
} catch (Exception e) {
if (client.isConnected()) {
client.disconnect();
}
throw e;
}
return client;
}
public FSDataInputStream open(Path file, int bufferSize) throws IOException {
FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus fileStat = getFileStatus(client, absolute);
if (fileStat.isDirectory()) {
disconnect(client);
throw new IOException("Path " + file + " is a directory.");
}
client.allocate(bufferSize);
Path parent = absolute.getParent();
// Change to parent directory on the
// server. Only then can we read the
// file
// on the server by opening up an InputStream. As a side effect the working
// directory on the server is changed to the parent directory of the file.
// The FTP client connection is closed when close() is called on the
// FSDataInputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
InputStream is = client.retrieveFileStream(file.getName());
FSDataInputStream fis = new FSDataInputStream(new FTPInputStream(is, client, statistics));
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fis.close();
throw new IOException("Unable to open file: " + file + ", Aborting");
}
return fis;
}
/**
* @param path ex:/upload/2023
* @param filename xxx.jpg
* @param input 输入流
* @return
*/
public static boolean uploadFile(String path, String filename, InputStream input) {
boolean success = false;
FTPClient ftpClient = null;
try {
ftpClient = getFTPClient();
int reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
return success;
}
// 使用二进制上传
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
ftpClient.setFileTransferMode(FTP.BINARY_FILE_TYPE);
ftpClient.enterLocalPassiveMode();
ftpCreateDirectoryTree(ftpClient, path);
success = ftpClient.storeFile(filename, input);
input.close();
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (null != ftpClient && ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException ioe) {
}
}
}
return success;
}
public static FTPClient getFTPClient() {
FTPClient client = ftpClientThreadLocal.get();
if (client != null && client.isConnected()) {
return client;
}
ftpClientThreadLocal.remove();
FTPClient ftpClient = new FTPClient(); // 创建ftpClient
ftpClient.setControlEncoding("UTF-8"); // 设置字符编码
Boolean isConnect = connectFtp(ftpClient);
ftpClient.enterLocalPassiveMode();
try {
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
ftpClient.setSoTimeout(1000 * 30);
} catch (Exception e) {
e.printStackTrace();
}
// 得到返回答复码
int reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
} else {
ftpClientThreadLocal.set(ftpClient);
}
return ftpClient;
}
@Deprecated
private FTPClient initFtpClientAndLogin() throws SocketException, IOException {
if (oFtp != null) {
return oFtp;
}
FTPClient oFtp = new FTPClient();
int iReply;
oFtp.connect(_sFtpHost);
iReply = oFtp.getReplyCode();
if (!FTPReply.isPositiveCompletion(iReply)) {
log.setError("Could not connect to ftp host" + _sFtpHost);
return null;
}
if (!oFtp.login(_sFtpUserName, _sFtpPassword)) {
log.error(
"Could not login with user `" + _sFtpUserName + "` and password `" + _sFtpPassword + "`");
oFtp.disconnect();
return null;
}
oFtp.enterLocalPassiveMode();
return oFtp;
}
/**
* Opens a new connection and performs login with user name and password if set.
*
* @throws IOException
*/
protected void connectAndLogin() throws IOException {
if (!ftpClient.isConnected()) {
ftpClient.connect(getEndpointConfiguration().getHost(), getEndpointConfiguration().getPort());
log.info("Connected to FTP server: " + ftpClient.getReplyString());
int reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
throw new CitrusRuntimeException("FTP server refused connection.");
}
log.info("Successfully opened connection to FTP server");
if (getEndpointConfiguration().getUser() != null) {
log.info(String.format("Login as user: '******'", getEndpointConfiguration().getUser()));
boolean login =
ftpClient.login(
getEndpointConfiguration().getUser(), getEndpointConfiguration().getPassword());
if (!login) {
throw new CitrusRuntimeException(
String.format(
"Failed to login to FTP server using credentials: %s:%s",
getEndpointConfiguration().getUser(), getEndpointConfiguration().getPassword()));
}
}
}
}
/**
* Description: 向FTP服务器上传文件
*
* @param host FTP服务器hostname
* @param port FTP服务器端口
* @param username FTP登录账号
* @param password FTP登录密码
* @param basePath FTP服务器基础目录
* @param filePath FTP服务器文件存放路径。例如分日期存放：/2015/01/01。文件的路径为basePath+filePath
* @param filename 上传到FTP服务器上的文件名
* @param input 输入流
* @return 成功返回true，否则返回false
*/
public static boolean uploadFile(
String host,
int port,
String username,
String password,
String basePath,
String filePath,
String filename,
InputStream input) {
boolean result = false;
FTPClient ftp = new FTPClient();
try {
int reply;
ftp.connect(host, port); // 连接FTP服务器
// 如果采用默认端口，可以使用ftp.connect(host)的方式直接连接FTP服务器
ftp.login(username, password); // 登录
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return result;
}
// 切换到上传目录
if (!ftp.changeWorkingDirectory(basePath + filePath)) {
// 如果目录不存在创建目录
String[] dirs = filePath.split("/");
String tempPath = basePath;
for (String dir : dirs) {
if (null == dir || "".equals(dir)) continue;
tempPath += "/" + dir;
if (!ftp.changeWorkingDirectory(tempPath)) {
if (!ftp.makeDirectory(tempPath)) {
return result;
} else {
ftp.changeWorkingDirectory(tempPath);
}
}
}
}
// 设置上传文件的类型为二进制类型
ftp.setFileType(FTP.BINARY_FILE_TYPE);
// 上传文件
if (!ftp.storeFile(filename, input)) {
return result;
}
input.close();
ftp.logout();
result = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return result;
}
/**
* A stream obtained via this call must be closed before using other APIs of this class or else
* the invocation will block.
*/
public FSDataOutputStream create(
Path file,
FsPermission permission,
boolean overwrite,
int bufferSize,
short replication,
long blockSize,
Progressable progress)
throws IOException {
final FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
if (exists(client, file)) {
if (overwrite) {
delete(client, file);
} else {
disconnect(client);
throw new IOException("File already exists: " + file);
}
}
Path parent = absolute.getParent();
if (parent == null || !mkdirs(client, parent, FsPermission.getDefault())) {
parent = (parent == null) ? new Path("/") : parent;
disconnect(client);
throw new IOException("create(): Mkdirs failed to create: " + parent);
}
client.allocate(bufferSize);
// Change to parent directory on the server. Only then can we write to the
// file on the server by opening up an OutputStream. As a side effect the
// working directory on the server is changed to the parent directory of the
// file. The FTP client connection is closed when close() is called on the
// FSDataOutputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
FSDataOutputStream fos =
new FSDataOutputStream(client.storeFileStream(file.getName()), statistics) {
public void close() throws IOException {
super.close();
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean cmdCompleted = client.completePendingCommand();
disconnect(client);
if (!cmdCompleted) {
throw new FTPException(
"Could not complete transfer, Reply Code - " + client.getReplyCode());
}
}
};
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fos.close();
throw new IOException("Unable to create file: " + file + ", Aborting");
}
return fos;
}
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String[] args = null;
String nomeArquivo = null;
FTPClient ftp = new FTPClient();
try {
ftp.connect("ftp.provedor.com.br");
// verifica se conectou com sucesso!
if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
ftp.login("usuario", "senha");
} else {
// erro ao se conectar
ftp.disconnect();
System.out.println("Conex�o recusada");
System.exit(1);
}
ftp.changeWorkingDirectory("C:/Editorias/Futebol - CLASSIFICA��O");
// para cada arquivo informado...
for (int i = 0; i < args.length; i++) {
// abre um stream com o arquivo a ser enviado
InputStream is = new FileInputStream(args[i]);
// pega apenas o nome do arquivo
int idx = args[i].lastIndexOf(File.separator);
if (idx < 0) idx = 0;
else idx++;
nomeArquivo = args[i].substring(idx, args[i].length());
// ajusta o tipo do arquivo a ser enviado
if (args[i].endsWith(".txt")) {
ftp.setFileType(FTPClient.ASCII_FILE_TYPE);
} else if (args[i].endsWith(".jpg")) {
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
} else {
ftp.setFileType(FTPClient.ASCII_FILE_TYPE);
}
System.out.println("Enviando arquivo " + nomeArquivo + "...");
// faz o envio do arquivo
ftp.storeFile(nomeArquivo, is);
System.out.println("Arquivo " + nomeArquivo + " enviado com sucesso!");
}
ftp.disconnect();
System.out.println("Fim. Tchau!");
} catch (Exception e) {
System.out.println("Ocorreu um erro: " + e);
System.exit(1);
}
}
public void connectFtp() throws Exception {
ftp.setDefaultTimeout(1500);
ftp.connect(hcs.getAddress());
ftp.login(hcs.getUsername(), hcs.getPassword());
int reply = ftp.getReplyCode();
if (FTPReply.isPositiveCompletion(reply)) {
System.out.println("HCS " + hcs.getLabel() + ": Connected successfully");
} else {
System.out.println("HCS " + hcs.getLabel() + ": Connection failed");
ftp.disconnect();
}
}
public boolean test() {
int base = 0;
boolean error = false;
FTPFile[] ftpFiles;
testMsg = null;
try {
int reply;
ftpClient.connect(ftpVO.getServer(), ftpVO.getPortasInteger());
// Check connection
reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftpClient.disconnect();
testMsg = Resource.getString("ftpchooser.msg.noconnect");
return false;
}
// Login
if (!ftpClient.login(ftpVO.getUser(), ftpVO.getPassword())) {
ftpClient.logout();
testMsg = Resource.getString("ftpchooser.msg.nologin");
return false;
}
ftpClient.syst();
// Change directory
if (!ftpClient.changeWorkingDirectory(ftpVO.getDirectory())) {
testMsg = Resource.getString("ftpchooser.msg.nodirectory");
return false;
}
testMsg = Resource.getString("ftpchooser.msg.success");
ftpClient.logout();
} catch (IOException ex) {
testMsg = ex.getLocalizedMessage();
error = true;
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException f) {
}
}
}
return !error;
}
/**
* @param remotePath 远程文件路径ַ ex：/upload/2012/xxxx.jpg
* @param out 文件输出流
* @return
*/
public static boolean downFile(String remotePath, OutputStream out) {
Boolean flag = Boolean.FALSE;
// 得到文件名 ex: xxxx.jpg
String fileName = getLastName(remotePath);
// 得到文件存储路径 ex：/upload/2012
String remoteStorePath = getFilePath(remotePath);
FTPClient ftpClient = null;
try {
ftpClient = getFTPClient();
// 得到返回答复码
int reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
try {
ftpClient.disconnect();
return flag;
} catch (IOException e) {
e.printStackTrace();
return flag;
}
}
ftpClient.changeWorkingDirectory(remoteStorePath);
// ftpClient.setFileType(FTP.BINARY_FILE_TYPE);//
FTPFile[] fs = ftpClient.listFiles();
for (FTPFile file : fs) {
if (fileName.equalsIgnoreCase(file.getName())) {
flag = ftpClient.retrieveFile(fileName, out);
break;
}
}
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (null != ftpClient && ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException ioe) {
}
}
}
return flag;
}
public static boolean mkdir(FTPClient ftp, String path) throws IOException {
String[] pathNames = path.split("/");
ftp.changeWorkingDirectory("/");
for (int i = 0; i < pathNames.length; i++) {
if (!ftp.changeWorkingDirectory(pathNames[i])) {
if (FTPReply.isPositiveCompletion(ftp.mkd(pathNames[i]))) {
ftp.changeWorkingDirectory(pathNames[i]);
} else {
FTPLogger.error("Make dir failed with path: " + pathNames[i]);
return false;
}
}
}
return true;
}
private void connect() throws SocketException, IOException {
// send the command..
ftpClient.connect(host, hostPort);
// check reply code...
int replyCode = ftpClient.getReplyCode();
boolean sucess = FTPReply.isPositiveCompletion(replyCode);
// sucess?
if (!sucess) {
ftpClient.disconnect();
throw new IOException("FTP server refused connection.");
}
setConnected(sucess);
}
@Override
public void connect() {
LOGGER.info("Connecting to " + username() + "@" + host() + ":" + String.valueOf(port()));
reconnect = true;
try {
ftpClient.connect(host(), port());
} catch (IOException e) {
throw new VirtualFileException(e);
}
if (!FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
disconnect();
return;
}
login();
setFileType(FTP.BINARY_FILE_TYPE);
}
public boolean open() {
boolean isSuccessful = false;
if (isOpen) {
throw new IllegalStateException("Is already open, must be closed before!");
}
try {
int reply;
ftpClient.connect(ftpVO.getServer(), ftpVO.getPortasInteger());
reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftpClient.disconnect();
throw new IOException("Can't connect!");
}
if (!ftpClient.login(ftpVO.getUser(), ftpVO.getPassword())) {
ftpClient.logout();
throw new IOException("Can't login!");
}
if (!ftpClient.changeWorkingDirectory(ftpVO.getDirectory())) {
ftpClient.logout();
throw new IOException("Can't change directory!");
}
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.enterLocalPassiveMode();
isSuccessful = true;
} catch (Exception e) {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException f) {
// do nothing
}
}
isSuccessful = false;
}
isOpen = isSuccessful;
return isSuccessful;
}
/**
* Description: 从FTP服务器下载文件
*
* @param host FTP服务器hostname
* @param port FTP服务器端口
* @param username FTP登录账号
* @param password FTP登录密码
* @param remotePath FTP服务器上的相对路径
* @param fileName 要下载的文件名
* @param localPath 下载后保存到本地的路径
* @return
*/
public static boolean downloadFile(
String host,
int port,
String username,
String password,
String remotePath,
String fileName,
String localPath) {
boolean result = false;
FTPClient ftp = new FTPClient();
try {
int reply;
ftp.connect(host, port);
// 如果采用默认端口，可以使用ftp.connect(host)的方式直接连接FTP服务器
ftp.login(username, password); // 登录
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return result;
}
ftp.changeWorkingDirectory(remotePath); // 转移到FTP服务器目录
FTPFile[] fs = ftp.listFiles();
for (FTPFile ff : fs) {
if (ff.getName().equals(fileName)) {
File localFile = new File(localPath + "/" + ff.getName());
OutputStream is = new FileOutputStream(localFile);
ftp.retrieveFile(ff.getName(), is);
is.close();
}
}
ftp.logout();
result = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return result;
}
private void login(String host, String login, String password) throws IOException {
ftpClient.connect(host);
ftpClient.login(login, password);
int reply = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftpClient.disconnect();
LOGGER.error(
"ftp server {} refused connection, reply string: {}", host, ftpClient.getReplyString());
throw new RuntimeException("ftp server " + host + " refused connection");
}
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Connected to {}, reply string: {}", host, ftpClient.getReplyString());
}
}
/**
* @param sDirPath
* @return
* @throws SocketException
* @throws IOException
*/
private FTPClient initFtpClientLoginChangeWorkingDirectory(String sDirPath)
throws SocketException, IOException {
if (oFtp != null) {
return oFtp;
}
oFtp = initFtpClientAndLogin();
int iReply;
oFtp.changeWorkingDirectory(sDirPath);
iReply = oFtp.getReplyCode();
if (!FTPReply.isPositiveCompletion(iReply)) {
log.setError("Not change work directory to `" + sDirPath + "`");
oFtp.disconnect();
return null;
}
return oFtp;
}
/**
* Connect to ftp server
*
* @param server the host you connect
* @param user the user account to login [anonymous as default]
* @param passwd the password according to you account, and if the account is anonymous "" as
* default
*/
public void initConnection(String server, String user, String passwd) {
ftp = new FTPClient();
try {
ftp.connect(server);
ftp.login(user, passwd);
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
LogUtils.log("disconnect after login");
}
LogUtils.log("Connected to " + server + " with name [" + user + "]");
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
String server = "localhost";
int port = 16885;
String user = "******";
String pass = "******";
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect(server, port);
showServerReply(ftpClient);
int replyCode = ftpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(replyCode)) {
System.out.println("Operation failed. Server reply code: " + replyCode);
return;
}
boolean success = ftpClient.login(user, pass);
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
showServerReply(ftpClient);
if (!success) {
System.out.println("Could not login to the server");
return;
} else {
System.out.println("LOGGED IN SERVER");
ftpClient.changeWorkingDirectory("C:\\Users\\Dileep\\Desktop\\temp");
// File outFile = new File("C:\\Users\\Dileep\\Desktop\\temp\\newFolder","NewFile.txt");
ftpClient.enterLocalPassiveMode();
// FileOutputStream outputStream = new FileOutputStream(outFile);
InputStream fileInputStream = ftpClient.retrieveFileStream("Dileep.txt");
manipulateFile(fileInputStream);
/*if (ftpClient.retrieveFile("Dileep.txt", outputStream)){
outputStream.close();
}*/
}
ftpClient.logout();
} catch (IOException ex) {
System.out.println("Oops! Something wrong happened");
ex.printStackTrace();
} finally {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private FTPClient connect() throws FTPException {
try {
FTPClient ftp = new FTPClient();
ftp.connect(host, port);
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
System.err.println("FTP server refused connection.");
}
ftp.login(userName, password);
ftp.setFileType(FTP.BINARY_FILE_TYPE);
return ftp;
} catch (SocketException e) {
throw new FTPException("Failed to connect to server", e);
} catch (IOException e) {
throw new FTPException("Failed to connect to server", e);
}
}