/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.protocol.ftp;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
/**
* @author markhale
*/
public class FTPURLConnection extends URLConnection {
private final String host;
private final String path;
private final String username;
private final String password;
/**
* @param url
*/
public FTPURLConnection(URL url) {
super(url);
this.host = url.getHost();
this.path = url.getPath();
String userinfo = url.getUserInfo();
if (userinfo != null) {
final int pos = userinfo.indexOf(':');
if (pos != -1) {
username = userinfo.substring(0, pos);
password = userinfo.substring(pos + 1);
} else {
username = userinfo;
password = "";
}
} else {
username = "anonymous";
password = "jnode-user@jnode.org";
}
}
/**
* @see java.net.URLConnection#connect()
*/
public void connect() throws IOException {
/* Do nothing */
}
/**
* @see java.net.URLConnection#getInputStream()
*/
public InputStream getInputStream() throws IOException {
FTPClient client = new FTPClient();
client.connect(host);
String replyString = client.getReplyString();
int replyCode = client.getReplyCode();
if (!FTPReply.isPositiveCompletion(replyCode)) {
client.disconnect();
throw new IOException(replyString);
}
if (!client.login(username, password)) {
replyString = client.getReplyString();
client.logout();
throw new IOException(replyString);
}
client.setFileType(FTP.BINARY_FILE_TYPE);
client.enterLocalPassiveMode();
final ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
client.retrieveFile(path, os);
client.logout();
} finally {
client.disconnect();
}
return new ByteArrayInputStream(os.toByteArray());
}
}