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 */ 16package org.mockftpserver.fake.filesystem; 17 18import org.apache.log4j.Logger; 19import org.mockftpserver.core.util.StringUtil; 20 21import java.text.DateFormat; 22import java.text.SimpleDateFormat; 23 24/** 25 * Unix-specific implementation of the DirectoryListingFormatter interface. 26 * 27 * @author Chris Mair 28 * @version $Revision$ - $Date$ 29 */ 30public class UnixDirectoryListingFormatter implements DirectoryListingFormatter { 31 32 private static final Logger LOG = Logger.getLogger(UnixDirectoryListingFormatter.class); 33 34 private static final String DATE_FORMAT = "MMM dd yyyy"; 35 private static final int SIZE_WIDTH = 15; 36 private static final int OWNER_WIDTH = 8; 37 private static final int GROUP_WIDTH = 8; 38 private static final String NONE = "none"; 39 40 // "-rw-rw-r-- 1 ftp ftp 254 Feb 23 2007 robots.txt" 41 // "-rw-r--r-- 1 ftp ftp 30014925 Apr 15 00:19 md5.sums.gz" 42 // "-rwxr-xr-x 1 henry users 5778 Dec 1 2005 planaccess.sql" 43 44 /** 45 * Format the directory listing for a single file/directory entry. 46 * 47 * @param fileSystemEntry - the FileSystemEntry for a single file system entry 48 * @return the formatted directory listing 49 */ 50 public String format(FileSystemEntry fileSystemEntry) { 51 DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT); 52 String dateStr = dateFormat.format(fileSystemEntry.getLastModified()); 53 String dirOrFile = fileSystemEntry.isDirectory() ? "d" : "-"; 54 Permissions permissions = fileSystemEntry.getPermissions() != null ? fileSystemEntry.getPermissions() : Permissions.DEFAULT; 55 String permissionsStr = StringUtil.padRight(permissions.asRwxString(), 9); 56 String linkCountStr = "1"; 57 String ownerStr = StringUtil.padRight(stringOrNone(fileSystemEntry.getOwner()), OWNER_WIDTH); 58 String groupStr = StringUtil.padRight(stringOrNone(fileSystemEntry.getGroup()), GROUP_WIDTH); 59 String sizeStr = StringUtil.padLeft(Long.toString(fileSystemEntry.getSize()), SIZE_WIDTH); 60 String listing = "" + dirOrFile + permissionsStr + " " + linkCountStr + " " + ownerStr + " " + groupStr + " " + sizeStr + " " + dateStr + " " + fileSystemEntry.getName(); 61 LOG.info("listing=[" + listing + "]"); 62 return listing; 63 } 64 65 private String stringOrNone(String string) { 66 return (string == null) ? NONE : string; 67 } 68 69}