How to copy file from remote server using java

To transfer file from remote host to remote or local host using java for UNIX/LINUX Servers

import java.io.File;
import java.io.FileInputStream;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;

public class SftpUtility {

 private String sftpHost ;
 private int    sftpPort ;
 private String sftpUser ;
 private String sftpPassword ;
 private String sftpDir ;

 public SftpUtility(String sftpHost, int sftpPort, String sftpUser,
   String sftpPassword, String sftpDir) {
  super();
  this.sftpHost = sftpHost;
  this.sftpPort = sftpPort;
  this.sftpUser = sftpUser;
  this.sftpPassword = sftpPassword;
  this.sftpDir = sftpDir;
 }

 public String getSftpHost() {
  return sftpHost;
 }

 public void setSftpHost(String sftpHost) {
  this.sftpHost = sftpHost;
 }

 public int getSftpPort() {
  return sftpPort;
 }

 public void setSftpPort(int sftpPort) {
  this.sftpPort = sftpPort;
 }

 public String getSftpUser() {
  return sftpUser;
 }

 public void setSftpUser(String sftpUser) {
  this.sftpUser = sftpUser;
 }

 public String getSftpPassword() {
  return sftpPassword;
 }

 public void setSftpPassword(String sftpPassword) {
  this.sftpPassword = sftpPassword;
 }

 public String getSftpDir() {
  return sftpDir;
 }

 public void setSftpDir(String sftpDir) {
  this.sftpDir = sftpDir;
 }

 public boolean moveFileToDir(String localFilePath){
  return moveFileToDir(localFilePath, null, null, true);
 }
 public boolean moveFileToDir(String localFilePath, String remoteDirPath){
  return moveFileToDir(localFilePath, remoteDirPath, null, true);
 }
 public boolean moveFileToDir(String localFilePath, String remoteDirPath, String remoteFileName){
  return moveFileToDir(localFilePath, remoteDirPath, remoteFileName, true);
 }

 public boolean copyFileToDir(String localFilePath){
  return moveFileToDir(localFilePath, null, null, false);
 }
 public boolean copyFileToDir(String localFilePath, String remoteDirPath){
  return moveFileToDir(localFilePath, remoteDirPath, null, false);
 }
 public boolean copyFileToDir(String localFilePath, String remoteDirPath, String remoteFileName){
  return moveFileToDir(localFilePath, remoteDirPath, remoteFileName, false);
 }

 public boolean moveFileToDir(String localFilePath, String remoteDirPath, String remoteFileName, boolean isDelete){
  boolean returnResult = false;
  boolean deleteSuccess = false;
  Session     session     = null;
  Channel     channel     = null;
  ChannelSftp channelSftp = null;

  try{
   JSch jsch = new JSch();
   session = jsch.getSession(this.sftpUser,this.sftpHost,this.sftpPort);
   session.setPassword(this.sftpPassword);
   java.util.Properties config = new java.util.Properties();
   config.put(“StrictHostKeyChecking”, “no”);
   session.setConfig(config);
   session.connect();
   channel = session.openChannel(“sftp”);
   channel.connect();
   channelSftp = (ChannelSftp)channel;
   if(null != remoteDirPath)
    channelSftp.cd(remoteDirPath);
   else
    channelSftp.cd(this.sftpDir);

   File f = new File(localFilePath);
   String fileName = f.getName();
   if(null != remoteFileName && remoteFileName.length() > 0)
    fileName = remoteFileName;

   channelSftp.put(new FileInputStream(f), fileName);
   //Disconnecting the channel
   channel.disconnect();
   //Disconnecting the session
   session.disconnect();
   if(isDelete){
    deleteSuccess = f.delete();
   }else{
    deleteSuccess = true;
   }
   returnResult = deleteSuccess;
  }catch(Exception ex){
   ex.printStackTrace();
  }

  return returnResult;
 }

}