Apache Common Net package is really easy to use.
Recently, I was using the FtpClient to upload local images to the ftp server. I’d like to post my uploader here.
package com.oceania.util;import java.io.FileInputStream;import java.io.IOException;import java.net.SocketException;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPReply;import org.apache.log4j.Logger;import com.oceania.modle.FtpServer;import com.oceania.modle.Img;public class Uploader {static FTPClient ftpClient;private static final Logger logger = Logger.getLogger(Uploader.class);public static boolean uploadImg(Img img, FtpServer ftp){boolean returnValue = false;ftpClient = new FTPClient();try {int reply;if( ftp.getPort() == 0){ftpClient.connect(ftp.getHost());}else{ftpClient.connect(ftp.getHost(),ftp.getPort());}ftpClient.login(ftp.getUser(), ftp.getPassword());reply = ftpClient.getReplyCode();if (!FTPReply.isPositiveCompletion(reply)) {ftpClient.disconnect();logger.info(“FTP SERVER REFUSED CONNECTION.”);return returnValue;}FileInputStream fis = new FileInputStream(img.getLocalPath());if ( !ftpClient.changeWorkingDirectory(ftp.getDir())) {ftpClient.makeDirectory(ftp.getDir());ftpClient.changeWorkingDirectory(ftp.getDir());}ftpClient.storeFile(img.getName(), fis);fis.close();ftpClient.logout();returnValue = true;} catch (SocketException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally {if (ftpClient.isConnected()) {try {ftpClient.disconnect();} catch (IOException ioe) {}}}return returnValue;}}
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silentred
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