SFTP to remote UNIX box JAVA

Here is a sample code to SFTP all files from the local folder to a remote folder
Our code should create the folder in the remote box if the folder doesn't exist already




import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

import java.io.Serializable;

import java.text.NumberFormat;
import java.text.SimpleDateFormat;

import java.util.Date;
import java.util.Locale;
import java.util.Map;

import javax.faces.context.FacesContext;


import oracle.adf.model.BindingContext;
import oracle.adf.model.binding.DCBindingContainer;
import oracle.adf.model.binding.DCIteratorBinding;
import oracle.adf.share.ADFContext;



import oracle.binding.BindingContainer;
import oracle.binding.OperationBinding;

import oracle.jbo.Row;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemOptions;
import org.apache.commons.vfs2.Selectors;
import org.apache.commons.vfs2.impl.StandardFileSystemManager;
import org.apache.commons.vfs2.provider.sftp.SftpFileSystemConfigBuilder;
    private void transfer() {


        StandardFileSystemManager manager = new StandardFileSystemManager();
        System.out.println("this.getSelectedCompany()" + this.getSelectedCompany());
        ADFContext adfCtx = ADFContext.getCurrent();
        Map pageFlowScope = adfCtx.getPageFlowScope();

        try {

            String serverAddress = "**host_ip_address**";
            String userId = "**userID**";
     
            String password = "**password**";


    
         
            String remoteDirectory =
                "/a//b//c//d//e//f//outbound//xyz//vijay//" +
                pageFlowScope.get("company").toString() + "//";

     

            String localDirectory =
                "//i//j//k//l//m//n//" +
                pageFlowScope.get("company").toString() + "//";
            File dir = new File(localDirectory);
         
   File[] directoryListing = dir.listFiles();
         

   if (directoryListing != null) {
    //Initializes the file manager
                manager.init();
             

   for (File file : directoryListing) {

                    System.out.println("1--------------" + file.getPath());

                
                    if (!file.exists())
                        file.createNewFile();
             

                                    //Setup our SFTP configuration
                    FileSystemOptions opts = new FileSystemOptions();
                    SftpFileSystemConfigBuilder.getInstance().setStrictHostKeyChecking(opts, "no");
                    SftpFileSystemConfigBuilder.getInstance().setUserDirIsRoot(opts, true);
                    SftpFileSystemConfigBuilder.getInstance().setTimeout(opts, 10000);

                    //Create the SFTP URI using the host name, userid, password,  remote path and file name
                    String sftpUri =
                        "sftp://" + userId + ":" + password + "@" + serverAddress + "/" + remoteDirectory +
                        file.getName();
                    // manager.resolveFile(sftpUri);
                    System.out.println("sftpUri---->" + sftpUri);
                    // Create local file object
                    FileObject localFile = manager.resolveFile(file.getAbsolutePath());
                    System.out.println("localFile---->" + localFile);
                    // Create remote file object
                    FileObject remoteFile = manager.resolveFile(sftpUri, opts);

                    // Copy local file to sftp server
                    remoteFile.copyFrom(localFile, Selectors.SELECT_SELF);

                    System.out.println("File upload successful");


                
                }
            } else {
                // Handle the case where dir is not really a directory.
                // Checking dir.isDirectory() above would not be sufficient
                // to avoid race conditions with another process that deletes
                // directories.
                throw new RuntimeException("Error. Directory file not found");
            }



        } catch (Exception ex) {
            ex.printStackTrace();
            // return false;
        } finally {
            manager.close();
        }

       
    }