本文整理匯總了Java中org.apache.commons.net.ftp.FTPClient.logout方法的典型用法代碼示例。如果您正苦於以下問題:Java FTPClient.logout方法的具體用法?Java FTPClient.logout怎麽用?Java FTPClient.logout使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.commons.net.ftp.FTPClient
的用法示例。
在下文中一共展示了FTPClient.logout方法的6個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: download
import org.apache.commons.net.ftp.FTPClient; //導入方法依賴的package包/類
public static byte[] download(String url, int port, String username, String password, String remotePath,
String fileName) throws IOException {
FTPClient ftp = new FTPClient();
ftp.setConnectTimeout(5000);
ftp.setAutodetectUTF8(true);
ftp.setCharset(CharsetUtil.UTF_8);
ftp.setControlEncoding(CharsetUtil.UTF_8.name());
try {
ftp.connect(url, port);
ftp.login(username, password);// 登錄
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
ftp.disconnect();
throw new IOException("login fail!");
}
ftp.changeWorkingDirectory(remotePath);
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
FTPFile[] fs = ftp.listFiles();
for (FTPFile ff : fs) {
if (ff.getName().equals(fileName)) {
try (ByteArrayOutputStream is = new ByteArrayOutputStream();) {
ftp.retrieveFile(ff.getName(), is);
byte[] result = is.toByteArray();
return result;
}
}
}
ftp.logout();
} finally {
if (ftp.isConnected()) {
ftp.disconnect();
}
}
return null;
}
示例2: downloadFile
import org.apache.commons.net.ftp.FTPClient; //導入方法依賴的package包/類
public static boolean downloadFile(String url, int port, String username, String password,
String remotePath, String fileName, String localPath) {
boolean success = false;
FTPClient ftp = new FTPClient();
try {
int reply;
ftp.connect(url, port);
ftp.login(username, password);
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return success;
}
ftp.changeWorkingDirectory(remotePath);
FTPFile[] fs = ftp.listFiles();
System.out.println(fs.length);
for (FTPFile ff : fs) {
System.out.println(ff.getName());
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;
}
示例3: disconnect
import org.apache.commons.net.ftp.FTPClient; //導入方法依賴的package包/類
/**
* Logout and disconnect the given FTPClient. *
*
* @param client
* @throws IOException
*/
private void disconnect(FTPClient client) throws IOException {
if (client != null) {
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean logoutSuccess = client.logout();
client.disconnect();
if (!logoutSuccess) {
LOG.warn("Logout failed while disconnecting, error code - "
+ client.getReplyCode());
}
}
}
示例4: uploadFile
import org.apache.commons.net.ftp.FTPClient; //導入方法依賴的package包/類
/**
* Description: 向FTP服務器上傳文件
* @param url FTP服務器hostname
* @param port FTP服務器端口
* @param username FTP登錄賬號
* @param password FTP登錄密碼
* @param path FTP服務器保存目錄
* @param filename 上傳到FTP服務器上的文件名
* @param input 輸入流
* @return 成功返回true,否則返回false
*/
public static boolean uploadFile(String url,int port,String username, String password, String path, String filename, InputStream input) {
boolean success = false;
FTPClient ftp = new FTPClient();
try {
int reply;
ftp.connect(url, port);//連接FTP服務器
//如果采用默認端口,可以使用ftp.connect(url)的方式直接連接FTP服務器
ftp.login(username, password);//登錄
reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
return success;
}
//設置FTP以2進製傳輸
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
//TODO 讀取文件配置判斷是否使用主動
ftp.enterLocalPassiveMode();//被動
//ftp.enterLocalActiveMode();//主動
//創建目錄
mkDir(path,ftp);
//改變目錄
ftp.changeWorkingDirectory(path);
ftp.storeFile(filename, input);
input.close();
ftp.logout();
success = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (IOException ioe) {
}
}
}
return success;
}
示例5: getNewFTPClient
import org.apache.commons.net.ftp.FTPClient; //導入方法依賴的package包/類
public FTPClient getNewFTPClient(Uri path, int mode) throws SocketException, IOException, AuthenticationException{
// Use default port if not set
int port = path.getPort();
if (port<0) {
port = 21; // default port
}
String username="anonymous"; // default user
String password = ""; // default password
NetworkCredentialsDatabase database = NetworkCredentialsDatabase.getInstance();
Credential cred = database.getCredential(path.toString());
if(cred!=null){
password= cred.getPassword();
username = cred.getUsername();
}
FTPClient ftp= new FTPClient();
//try to connect
ftp.connect(path.getHost(), port);
//login to server
if(!ftp.login(username, password))
{
ftp.logout();
throw new AuthenticationException();
}
if(mode>=0){
ftp.setFileType(mode);
}
int reply = ftp.getReplyCode();
//FTPReply stores a set of constants for FTP reply codes.
if (!FTPReply.isPositiveCompletion(reply))
{
try {
ftp.disconnect();
} catch (IOException e) {
throw e;
}
return null;
}
//enter passive mode
ftp.enterLocalPassiveMode();
return ftp;
}
示例6: execute
import org.apache.commons.net.ftp.FTPClient; //導入方法依賴的package包/類
/**
* 執行FTP回調操作的方法
*
* @param <T> the type parameter
* @param callback 回調的函數
* @return the t
* @throws IOException the io exception
*/
public <T> T execute(FTPClientCallback<T> callback) throws IOException {
FTPClient ftp = new FTPClient();
try {
//登錄FTP服務器
try {
//設置超時時間
ftp.setDataTimeout(7200);
//設置默認編碼
ftp.setControlEncoding(DEAFULT_REMOTE_CHARSET);
//設置默認端口
ftp.setDefaultPort(DEAFULT_REMOTE_PORT);
//設置是否顯示隱藏文件
ftp.setListHiddenFiles(false);
//連接ftp服務器
if (StringUtils.isNotEmpty(port) && NumberUtils.isDigits(port)) {
ftp.connect(host, Integer.valueOf(port));
} else {
ftp.connect(host);
}
} catch (ConnectException e) {
logger.error("連接FTP服務器失敗:" + ftp.getReplyString() + ftp.getReplyCode());
throw new IOException("Problem connecting the FTP-server fail", e);
}
//得到連接的返回編碼
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
}
//登錄失敗權限驗證失敗
if (!ftp.login(getUsername(), getPassword())) {
ftp.quit();
ftp.disconnect();
logger.error("連接FTP服務器用戶或者密碼失敗::" + ftp.getReplyString());
throw new IOException("Cant Authentificate to FTP-Server");
}
if (logger.isDebugEnabled()) {
logger.info("成功登錄FTP服務器:" + host + " 端口:" + port);
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
//回調FTP的操作
return callback.doTransfer(ftp);
} finally {
//FTP退出
ftp.logout();
//斷開FTP連接
if (ftp.isConnected()) {
ftp.disconnect();
}
}
}