/* | |
* Copyright 2008 the original author or authors. | |
* | |
* 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 org.mockftpserver.fake.filesystem; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
import org.mockftpserver.core.util.StringUtil; | |
import java.text.DateFormat; | |
import java.text.SimpleDateFormat; | |
import java.util.Locale; | |
/** | |
* Unix-specific implementation of the DirectoryListingFormatter interface. | |
* | |
* @author Chris Mair | |
* @version $Revision$ - $Date$ | |
*/ | |
public class UnixDirectoryListingFormatter implements DirectoryListingFormatter { | |
private static final Logger LOG = LoggerFactory.getLogger(UnixDirectoryListingFormatter.class); | |
private static final String DATE_FORMAT = "MMM dd yyyy"; | |
private static final int SIZE_WIDTH = 15; | |
private static final int OWNER_WIDTH = 8; | |
private static final int GROUP_WIDTH = 8; | |
private static final String NONE = "none"; | |
private Locale locale = Locale.ENGLISH; | |
// "-rw-rw-r-- 1 ftp ftp 254 Feb 23 2007 robots.txt" | |
// "-rw-r--r-- 1 ftp ftp 30014925 Apr 15 00:19 md5.sums.gz" | |
// "-rwxr-xr-x 1 henry users 5778 Dec 1 2005 planaccess.sql" | |
/** | |
* Format the directory listing for a single file/directory entry. | |
* | |
* @param fileSystemEntry - the FileSystemEntry for a single file system entry | |
* @return the formatted directory listing | |
*/ | |
public String format(FileSystemEntry fileSystemEntry) { | |
DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT, locale); | |
String dateStr = dateFormat.format(fileSystemEntry.getLastModified()); | |
String dirOrFile = fileSystemEntry.isDirectory() ? "d" : "-"; | |
Permissions permissions = fileSystemEntry.getPermissions() != null ? fileSystemEntry.getPermissions() : Permissions.DEFAULT; | |
String permissionsStr = StringUtil.padRight(permissions.asRwxString(), 9); | |
String linkCountStr = "1"; | |
String ownerStr = StringUtil.padRight(stringOrNone(fileSystemEntry.getOwner()), OWNER_WIDTH); | |
String groupStr = StringUtil.padRight(stringOrNone(fileSystemEntry.getGroup()), GROUP_WIDTH); | |
String sizeStr = StringUtil.padLeft(Long.toString(fileSystemEntry.getSize()), SIZE_WIDTH); | |
String listing = "" + dirOrFile + permissionsStr + " " + linkCountStr + " " + ownerStr + " " + groupStr + " " + sizeStr + " " + dateStr + " " + fileSystemEntry.getName(); | |
LOG.info("listing=[" + listing + "]"); | |
return listing; | |
} | |
/** | |
* Set the Locale to be used in formatting the date within file/directory listings | |
* @param locale - the Locale instance | |
*/ | |
public void setLocale(Locale locale) { | |
this.locale = locale; | |
} | |
private String stringOrNone(String string) { | |
return (string == null) ? NONE : string; | |
} | |
} |