001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.vfs2.libcheck;
018
019import java.io.OutputStream;
020import java.nio.charset.Charset;
021
022import org.apache.commons.net.ftp.FTPClient;
023import org.apache.commons.net.ftp.FTPFile;
024import org.apache.commons.net.ftp.FTPReply;
025
026/**
027 * Basic check for FTP.
028 */
029public final class FtpCheck {
030    private FtpCheck() {
031        /* main class not instantiated. */
032    }
033
034    public static void main(final String[] args) throws Exception {
035        if (args.length < 3) {
036            throw new IllegalArgumentException("Usage: FtpCheck user pass host dir");
037        }
038        final String user = args[0];
039        final String pass = args[1];
040        final String host = args[2];
041        String dir = null;
042        if (args.length == 4) {
043            dir = args[3];
044        }
045
046        final FTPClient client = new FTPClient();
047        client.connect(host);
048        final int reply = client.getReplyCode();
049        if (!FTPReply.isPositiveCompletion(reply)) {
050            throw new IllegalArgumentException("cant connect: " + reply);
051        }
052        if (!client.login(user, pass)) {
053            throw new IllegalArgumentException("login failed");
054        }
055        client.enterLocalPassiveMode();
056
057        final OutputStream os = client.storeFileStream(dir + "/test.txt");
058        if (os == null) {
059            throw new IllegalStateException(client.getReplyString());
060        }
061        os.write("test".getBytes(Charset.defaultCharset()));
062        os.close();
063        client.completePendingCommand();
064
065        if (dir != null && !client.changeWorkingDirectory(dir)) {
066            throw new IllegalArgumentException("change dir to '" + dir + "' failed");
067        }
068
069        System.err.println("System: " + client.getSystemType());
070
071        final FTPFile[] files = client.listFiles();
072        for (int i = 0; i < files.length; i++) {
073            final FTPFile file = files[i];
074            if (file == null) {
075                System.err.println("#" + i + ": " + null);
076            } else {
077                System.err.println("#" + i + ": " + file.getRawListing());
078                System.err.println("#" + i + ": " + file.toString());
079                System.err.println("\t name:" + file.getName() + " type:" + file.getType());
080            }
081        }
082        client.disconnect();
083    }
084}