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379 jmachado 1 
package pt.estgp.estgweb.web;
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import org.apache.commons.net.ftp.FTPClient;
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import org.apache.log4j.Logger;
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import java.util.HashMap;
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import java.net.URL;
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import java.net.MalformedURLException;
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import java.io.IOException;
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/**
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 * @author Jorge
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 * @date 18/Jan/2009
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 * @time 18:35:11
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 */
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public class FtpServer
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{
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    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(FtpServer.class);
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    private static HashMap<String, FtpServer> servers = new HashMap<String, FtpServer>();
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    1.5.0/docs/api/java/lang/String.html">String host = null;
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    int port = 21;
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    1.5.0/docs/api/java/lang/String.html">String username = null;
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    1.5.0/docs/api/java/lang/String.html">String password = null;
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    public FtpServer(1.5.0/docs/api/java/lang/String.html">String host, int port)
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    {
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        this.host = host;
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        if (port > 0)
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            this.port = port;
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    }
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    public FtpServer(1.5.0/docs/api/java/lang/String.html">String host, int port, 1.5.0/docs/api/java/lang/String.html">String username, 1.5.0/docs/api/java/lang/String.html">String password)
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    {
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        this.host = host;
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        this.port = port;
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        this.username = username;
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        this.password = password;
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    }
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    public FTPClient getClient() throws 1.5.0/docs/api/java/io/IOException.html">IOException
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    {
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        FTPClient ftp = new FTPClient();
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        ftp.connect(host, port);
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        if (username != null)
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            ftp.user(username);
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        if (password != null)
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            ftp.pass(password);
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        return ftp;
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    }
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    public 1.5.0/docs/api/java/lang/String.html">String getHost()
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    {
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        return host;
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    }
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    public void setHost(1.5.0/docs/api/java/lang/String.html">String host)
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    {
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        this.host = host;
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    }
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    public int getPort()
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    {
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        return port;
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    }
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    public void setPort(int port)
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    {
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        this.port = port;
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    }
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    public 1.5.0/docs/api/java/lang/String.html">String getUsername()
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    {
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        return username;
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    }
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    public void setUsername(1.5.0/docs/api/java/lang/String.html">String username)
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    {
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        this.username = username;
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    }
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    public 1.5.0/docs/api/java/lang/String.html">String getPassword()
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    {
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        return password;
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    }
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    public void setPassword(1.5.0/docs/api/java/lang/String.html">String password)
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    {
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        this.password = password;
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    }
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    public static FtpServer getServer(1.5.0/docs/api/java/lang/String.html">String urlStr, 1.5.0/docs/api/java/lang/String.html">String user, 1.5.0/docs/api/java/lang/String.html">String pass)
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    {
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        FtpServer ftpServer = servers.get(urlStr);
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        if (ftpServer == null)
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            ftpServer = addServer(urlStr, user, pass);
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        return ftpServer;
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    }
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    public static FtpServer getNewServer(1.5.0/docs/api/java/lang/String.html">String urlStr, 1.5.0/docs/api/java/lang/String.html">String user, 1.5.0/docs/api/java/lang/String.html">String pass)
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    {
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        try
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        {
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            1.5.0/docs/api/java/net/URL.html">URL url = new 1.5.0/docs/api/java/net/URL.html">URL(urlStr);
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            1.5.0/docs/api/java/lang/String.html">String host = url.getHost();
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            int port = url.getPort();
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            if (port <= 0)
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                port = 21;
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            logger.info("Connecting to " + host + "in port:" + port);
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            return new FtpServer(host, port, user, pass);
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        }
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        catch (1.5.0/docs/api/java/net/MalformedURLException.html">MalformedURLException e)
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        {
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            logger.error(e, e);
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        }
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        catch (1.5.0/docs/api/java/io/IOException.html">IOException e)
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        {
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            logger.error(e, e);
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        }
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        return null;
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    }
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    /**
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     * Add a ftpServer to Cache
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     *
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     * @param urlStr to parse
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     * @param user   username
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     * @param pass   password
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     * @return ftpServer
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     */
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    private static synchronized FtpServer addServer(1.5.0/docs/api/java/lang/String.html">String urlStr, 1.5.0/docs/api/java/lang/String.html">String user, 1.5.0/docs/api/java/lang/String.html">String pass)
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    {
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        try
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        {
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            1.5.0/docs/api/java/net/URL.html">URL url = new 1.5.0/docs/api/java/net/URL.html">URL(urlStr);
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            1.5.0/docs/api/java/lang/String.html">String host = url.getHost();
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            int port = url.getPort();
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            if (port <= 0)
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                port = 21;
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            logger.info("Connecting to " + host + "in port:" + port);
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            FtpServer ftpServer = new FtpServer(host, port, user, pass);
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            servers.put(urlStr, ftpServer);
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            return ftpServer;
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        }
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        catch (1.5.0/docs/api/java/net/MalformedURLException.html">MalformedURLException e)
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        {
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            logger.error(e, e);
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        }
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        catch (1.5.0/docs/api/java/io/IOException.html">IOException e)
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        {
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            logger.error(e, e);
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        }
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        return null;
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    }
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}