| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.vfs.provider.ftp; |
| |
| import org.apache.commons.net.ftp.FTP; |
| import org.apache.commons.net.ftp.FTPClient; |
| import org.apache.commons.net.ftp.FTPClientConfig; |
| import org.apache.commons.net.ftp.FTPReply; |
| import org.apache.commons.net.ftp.parser.FTPFileEntryParserFactory; |
| import org.apache.commons.vfs.FileSystemException; |
| import org.apache.commons.vfs.FileSystemOptions; |
| import org.apache.commons.vfs.util.UserAuthenticatorUtils; |
| |
| import java.io.IOException; |
| |
| /** |
| * Create a FtpClient instance. |
| * |
| * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a> |
| * @version $Revision$ $Date$ |
| */ |
| public final class FtpClientFactory |
| { |
| private static final int BUFSZ = 40; |
| private FtpClientFactory() |
| { |
| } |
| |
| /** |
| * Creates a new connection to the server. |
| * @param hostname The host name of the server. |
| * @param port The port to connect to. |
| * @param username The name of the user for authentication. |
| * @param password The user's password. |
| * @param workingDirectory The base directory. |
| * @param fileSystemOptions The FileSystemOptions. |
| * @return An FTPClient. |
| * @throws FileSystemException if an error occurs while connecting. |
| */ |
| public static FTPClient createConnection(String hostname, int port, char[] username, char[] password, |
| String workingDirectory, FileSystemOptions fileSystemOptions) |
| throws FileSystemException |
| { |
| // Determine the username and password to use |
| if (username == null) |
| { |
| username = "anonymous".toCharArray(); |
| } |
| |
| if (password == null) |
| { |
| password = "anonymous".toCharArray(); |
| } |
| |
| try |
| { |
| final FTPClient client = new FTPClient(); |
| |
| String key = FtpFileSystemConfigBuilder.getInstance().getEntryParser(fileSystemOptions); |
| if (key != null) |
| { |
| FTPClientConfig config = new FTPClientConfig(key); |
| |
| String serverLanguageCode = |
| FtpFileSystemConfigBuilder.getInstance().getServerLanguageCode(fileSystemOptions); |
| if (serverLanguageCode != null) |
| { |
| config.setServerLanguageCode(serverLanguageCode); |
| } |
| String defaultDateFormat = |
| FtpFileSystemConfigBuilder.getInstance().getDefaultDateFormat(fileSystemOptions); |
| if (defaultDateFormat != null) |
| { |
| config.setDefaultDateFormatStr(defaultDateFormat); |
| } |
| String recentDateFormat = |
| FtpFileSystemConfigBuilder.getInstance().getRecentDateFormat(fileSystemOptions); |
| if (recentDateFormat != null) |
| { |
| config.setRecentDateFormatStr(recentDateFormat); |
| } |
| String serverTimeZoneId = |
| FtpFileSystemConfigBuilder.getInstance().getServerTimeZoneId(fileSystemOptions); |
| if (serverTimeZoneId != null) |
| { |
| config.setServerTimeZoneId(serverTimeZoneId); |
| } |
| String[] shortMonthNames = |
| FtpFileSystemConfigBuilder.getInstance().getShortMonthNames(fileSystemOptions); |
| if (shortMonthNames != null) |
| { |
| StringBuffer shortMonthNamesStr = new StringBuffer(BUFSZ); |
| for (int i = 0; i < shortMonthNames.length; i++) |
| { |
| if (shortMonthNamesStr.length() > 0) |
| { |
| shortMonthNamesStr.append("|"); |
| } |
| shortMonthNamesStr.append(shortMonthNames[i]); |
| } |
| config.setShortMonthNames(shortMonthNamesStr.toString()); |
| } |
| |
| client.configure(config); |
| } |
| |
| FTPFileEntryParserFactory myFactory = |
| FtpFileSystemConfigBuilder.getInstance().getEntryParserFactory(fileSystemOptions); |
| if (myFactory != null) |
| { |
| client.setParserFactory(myFactory); |
| } |
| |
| try |
| { |
| client.connect(hostname, port); |
| |
| int reply = client.getReplyCode(); |
| if (!FTPReply.isPositiveCompletion(reply)) |
| { |
| throw new FileSystemException("vfs.provider.ftp/connect-rejected.error", hostname); |
| } |
| |
| // Login |
| if (!client.login( |
| UserAuthenticatorUtils.toString(username), |
| UserAuthenticatorUtils.toString(password))) |
| { |
| throw new FileSystemException("vfs.provider.ftp/login.error", |
| new Object[]{hostname, UserAuthenticatorUtils.toString(username)}, null); |
| } |
| |
| // Set binary mode |
| if (!client.setFileType(FTP.BINARY_FILE_TYPE)) |
| { |
| throw new FileSystemException("vfs.provider.ftp/set-binary.error", hostname); |
| } |
| |
| // Set dataTimeout value |
| Integer dataTimeout = FtpFileSystemConfigBuilder.getInstance().getDataTimeout(fileSystemOptions); |
| if (dataTimeout != null) |
| { |
| client.setDataTimeout(dataTimeout.intValue()); |
| } |
| |
| Integer socketTimeout = FtpFileSystemConfigBuilder.getInstance().getSoTimeout(fileSystemOptions); |
| if (socketTimeout != null) |
| { |
| client.setSoTimeout(socketTimeout.intValue()); |
| } |
| |
| // Change to root by default |
| // All file operations a relative to the filesystem-root |
| // String root = getRoot().getName().getPath(); |
| |
| Boolean userDirIsRoot = FtpFileSystemConfigBuilder.getInstance().getUserDirIsRoot(fileSystemOptions); |
| if (workingDirectory != null && (userDirIsRoot == null || !userDirIsRoot.booleanValue())) |
| { |
| if (!client.changeWorkingDirectory(workingDirectory)) |
| { |
| throw new FileSystemException("vfs.provider.ftp/change-work-directory.error", workingDirectory); |
| } |
| } |
| |
| Boolean passiveMode = FtpFileSystemConfigBuilder.getInstance().getPassiveMode(fileSystemOptions); |
| if (passiveMode != null && passiveMode.booleanValue()) |
| { |
| client.enterLocalPassiveMode(); |
| } |
| |
| String controlEncoding = FtpFileSystemConfigBuilder.getInstance().getControlEncoding(fileSystemOptions); |
| if (controlEncoding != null) |
| { |
| client.setControlEncoding(controlEncoding); |
| } |
| |
| |
| } |
| catch (final IOException e) |
| { |
| if (client.isConnected()) |
| { |
| client.disconnect(); |
| } |
| throw e; |
| } |
| |
| return client; |
| } |
| catch (final Exception exc) |
| { |
| throw new FileSystemException("vfs.provider.ftp/connect.error", new Object[]{hostname}, exc); |
| } |
| } |
| } |