FTPClient.HostnameResolver

All Known Implementing Classes:

FTPClient.NatServerResolverImpl

Enclosing class:

FTPClient
```
public static interface FTPClient.HostnameResolver
```
Strategy interface for updating host names received from FTP server for passive NAT workaround.

Since:

3.6

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.String resolve(java.lang.String hostname)
  Resolves a host name.

- Method Detail
  - resolve
```
java.lang.String resolve(java.lang.String hostname)
                  throws java.net.UnknownHostException
```
    Resolves a host name.
    
    Parameters:
    
    hostname - the hostname to resolve.
    
    Returns:
    
    The resolved hostname.
    
    Throws:
    
    java.net.UnknownHostException - if the host is unknown.