java FTP操作

 简单的写了个java对ftp的操作
用的是commons-net.jar包
FTPProxy.java
public class FTPProxy{
public FTPProxy()
{
super();
ftpClient = new FTPClient();
}
public FTPProxy(FTPBean entity)
{
this();
this.entity = entity;
}
private FTPBean entity;
private FTPClient ftpClient;
public void connection()
{
try
{
ftpClient.connect(entity.getServerIP());
ftpClient.login(entity.getUser(), entity.getPassword());
} catch (SocketException e)
{
e.printStackTrace();
} catch (IOException e)
{
e.printStackTrace();
}
}
public void download()
{
FileOutputStream fos = null;
try
{
String remoteFile = entity.getSrcFile();
String remoteFileName = "";
if (0 == remoteFile.lastIndexOf("/"))
{
remoteFileName = remoteFile.substring(remoteFile
.lastIndexOf("/") + 1);
} else if (0 < remoteFile.lastIndexOf("/"))
{
remoteFileName = remoteFile.substring(remoteFile
.lastIndexOf("/") + 1);
String path = remoteFile.substring(0, remoteFile
.lastIndexOf("/"));
ftpClient.changeWorkingDirectory(path);
} else
{
remoteFileName = remoteFile;
}
fos = new FileOutputStream(entity.getTargetFile());
ftpClient.setBufferSize(1024 * 8);
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
ftpClient.retrieveFile(remoteFileName, fos);
} catch (IOException e)
{
e.printStackTrace();
} finally
{
try
{
fos.close();
ftpClient.disconnect();
} catch (IOException e)
{
e.printStackTrace();
}
}
}
public void upload()
{
FileInputStream fis = null;
try
{
File srcFile = new File(entity.getSrcFile());
fis = new FileInputStream(srcFile);
ftpClient.setBufferSize(1024 * 8);
ftpClient.setControlEncoding("GBK");
String ftpPath = entity.getFtpPath();
if(null!=ftpPath&&!"".equals(ftpPath))
{
ftpClient.makeDirectory(ftpPath);
ftpClient.changeWo