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package org.openslx.satellitedaemon.ftp;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.commons.net.ftp.FTPClient;
public class FtpUpDownUtil {
/**
* FTP-Dateienliste.
* @return String-Array der Dateinamen auf dem FTP-Server
*/
public static String[] list( String host, int port, String usr, String pwd ) throws IOException
{
FTPClient ftpClient = new FTPClient();
String[] filenameList;
try {
ftpClient.connect( host, port );
ftpClient.login( usr, pwd );
filenameList = ftpClient.listNames();
ftpClient.logout();
} finally {
ftpClient.disconnect();
}
return filenameList;
}
/**
* FTP-Client-Download.
* @return true falls ok
*/
public static boolean download( String localResultFile, String remoteSourceFile,
String host, int port, String usr, String pwd, boolean showMessages ) throws IOException
{
FTPClient ftpClient = new FTPClient();
FileOutputStream fos = null;
boolean resultOk = true;
try {
ftpClient.connect( host, port );
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
resultOk &= ftpClient.login( usr, pwd );
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
fos = new FileOutputStream( localResultFile );
resultOk &= ftpClient.retrieveFile( remoteSourceFile, fos );
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
resultOk &= ftpClient.logout();
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
} finally {
try { if( fos != null ) { fos.close(); } } catch( IOException e ) {/* nothing to do */}
ftpClient.disconnect();
}
return resultOk;
}
/**
* FTP-Client-Upload.
* @return true falls ok
*/
public static boolean upload( String localSourceFile, String remoteResultFile,
String host, int port, String usr, String pwd, boolean showMessages ) throws IOException
{
FTPClient ftpClient = new FTPClient();
FileInputStream fis = null;
boolean resultOk = true;
try {
ftpClient.connect( host, port );
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
resultOk &= ftpClient.login( usr, pwd );
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
fis = new FileInputStream( localSourceFile );
resultOk &= ftpClient.storeFile( remoteResultFile, fis );
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
resultOk &= ftpClient.logout();
if( showMessages ) { System.out.println( ftpClient.getReplyString() ); }
} finally {
try { if( fis != null ) { fis.close(); } } catch( IOException e ) {/* nothing to do */}
ftpClient.disconnect();
}
return resultOk;
}
}
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