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/*
* 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.apache.log4j.Logger;
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 = Logger.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;
}
}
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