chrismair | 00dc7bd | 2014-05-11 21:21:28 +0000 | [diff] [blame] | 1 | /*
|
| 2 | * Copyright 2008 the original author or authors.
|
| 3 | *
|
| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 | * you may not use this file except in compliance with the License.
|
| 6 | * You may obtain a copy of the License at
|
| 7 | *
|
| 8 | * http://www.apache.org/licenses/LICENSE-2.0
|
| 9 | *
|
| 10 | * Unless required by applicable law or agreed to in writing, software
|
| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 | * See the License for the specific language governing permissions and
|
| 14 | * limitations under the License.
|
| 15 | */
|
| 16 | package org.mockftpserver.fake.command;
|
| 17 |
|
| 18 | import org.mockftpserver.core.command.Command;
|
| 19 | import org.mockftpserver.core.command.ReplyCodes;
|
| 20 | import org.mockftpserver.core.session.Session;
|
| 21 | import org.mockftpserver.core.util.StringUtil;
|
| 22 | import org.mockftpserver.fake.filesystem.FileSystemEntry;
|
| 23 |
|
| 24 | import java.util.ArrayList;
|
| 25 | import java.util.Iterator;
|
| 26 | import java.util.List;
|
| 27 |
|
| 28 | /**
|
| 29 | * CommandHandler for the LIST command. Handler logic:
|
| 30 | * <ol>
|
| 31 | * <li>If the user has not logged in, then reply with 530 and terminate</li>
|
| 32 | * <li>Send an initial reply of 150</li>
|
| 33 | * <li>If the current user does not have read access to the file or directory to be listed, then reply with 550 and terminate</li>
|
| 34 | * <li>If an error occurs during processing, then send a reply of 451 and terminate</li>
|
| 35 | * <li>If the optional pathname parameter is missing, then send a directory listing for
|
| 36 | * the current directory across the data connection</li>
|
| 37 | * <li>Otherwise, if the optional pathname parameter specifies a directory or group of files,
|
| 38 | * then send a directory listing for the specified directory across the data connection</li>
|
| 39 | * <li>Otherwise, if the optional pathname parameter specifies a filename, then send information
|
| 40 | * for the specified file across the data connection</li>
|
| 41 | * <li>Send a final reply with 226</li>
|
| 42 | * </ol>
|
| 43 | *
|
| 44 | * @author Chris Mair
|
| 45 | * @version $Revision$ - $Date$
|
| 46 | */
|
| 47 | public class ListCommandHandler extends AbstractFakeCommandHandler {
|
| 48 |
|
| 49 | protected void handle(Command command, Session session) {
|
| 50 | verifyLoggedIn(session);
|
| 51 | sendReply(session, ReplyCodes.TRANSFER_DATA_INITIAL_OK);
|
| 52 |
|
| 53 | String path = getRealPath(session, command.getParameter(0));
|
| 54 |
|
| 55 | // User must have read permission to the path
|
| 56 | if (getFileSystem().exists(path)) {
|
| 57 | this.replyCodeForFileSystemException = ReplyCodes.READ_FILE_ERROR;
|
| 58 | verifyReadPermission(session, path);
|
| 59 | }
|
| 60 |
|
| 61 | this.replyCodeForFileSystemException = ReplyCodes.SYSTEM_ERROR;
|
| 62 | List fileEntries = getFileSystem().listFiles(path);
|
| 63 | Iterator iter = fileEntries.iterator();
|
| 64 | List lines = new ArrayList();
|
| 65 | while (iter.hasNext()) {
|
| 66 | FileSystemEntry entry = (FileSystemEntry) iter.next();
|
| 67 | lines.add(getFileSystem().formatDirectoryListing(entry));
|
| 68 | }
|
| 69 | String result = StringUtil.join(lines, endOfLine());
|
| 70 | result += result.length() > 0 ? endOfLine() : "";
|
| 71 |
|
| 72 | session.openDataConnection();
|
| 73 | LOG.info("Sending [" + result + "]");
|
| 74 | session.sendData(result.getBytes(), result.length());
|
| 75 | session.closeDataConnection();
|
| 76 |
|
| 77 | sendReply(session, ReplyCodes.TRANSFER_DATA_FINAL_OK);
|
| 78 | }
|
| 79 |
|
| 80 | } |