/*
* ========================================================================
*
* Copyright 2005 Tim O'Brien.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ========================================================================
*/
package com.discursive.jccook.net;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.SocketException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
public class FTPExample {
public static void main(String[] args) throws IOException {
new FTPExample().start();
}
public void start() throws IOException {
FTPClient client = new FTPClient();
OutputStream outStream = null;
try {
client.connect( "ftp.ibiblio.org" );
client.login( "anonymous", "" );
String remoteFile = "/pub/micro/commodore/schematics/computers/c64/c64bus.gif";
outStream = new FileOutputStream( "c64bus.gif" );
client.retrieveFile( remoteFile, outStream );
} catch(IOException ioe) {
System.out.println( "Error communicating with FTP server." );
} finally {
IOUtils.closeQuietly( outStream );
try {
client.disconnect();
} catch (IOException e) {
System.out.println( "Problem disconnecting from FTP server" );
}
}
secondExample();
}
private void secondExample()
throws SocketException, IOException {
FTPClient client = new FTPClient();
client.connect( "ftp.ibiblio.org" );
client.login( "anonymous", "" );
String remoteDir = "/pub/mirrors/apache/jakarta/ecs/binaries";
FTPFile[] remoteFiles = client.listFiles( remoteDir );
System.out.println( "Files in " + remoteDir );
for (int i = 0; i < remoteFiles.length; i++) {
String name = remoteFiles[i].getName();
long length = remoteFiles[i].getSize();
String readableLength = FileUtils.byteCountToDisplaySize( length );
System.out.println( name + ":\t\t" + readableLength );
}
client.disconnect();
}
}
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