| /* |
| * 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.ftpserver.command.impl.listing; |
| |
| import java.util.Arrays; |
| |
| import org.apache.ftpserver.ftplet.FtpFile; |
| import org.apache.ftpserver.util.DateUtils; |
| |
| /** |
| * <strong>Internal class, do not use directly.</strong> |
| * |
| * Formats files according to the LIST specification |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class LISTFileFormater implements FileFormater { |
| |
| private final static char DELIM = ' '; |
| |
| private final static char[] NEWLINE = { '\r', '\n' }; |
| |
| /** |
| * @see FileFormater#format(FtpFile) |
| */ |
| public String format(FtpFile file) { |
| StringBuffer sb = new StringBuffer(); |
| sb.append(getPermission(file)); |
| sb.append(DELIM); |
| sb.append(DELIM); |
| sb.append(DELIM); |
| sb.append(String.valueOf(file.getLinkCount())); |
| sb.append(DELIM); |
| sb.append(file.getOwnerName()); |
| sb.append(DELIM); |
| sb.append(file.getGroupName()); |
| sb.append(DELIM); |
| sb.append(getLength(file)); |
| sb.append(DELIM); |
| sb.append(getLastModified(file)); |
| sb.append(DELIM); |
| sb.append(file.getName()); |
| sb.append(NEWLINE); |
| |
| return sb.toString(); |
| } |
| |
| /** |
| * Get size |
| */ |
| private String getLength(FtpFile file) { |
| String initStr = " "; |
| long sz = 0; |
| if (file.isFile()) { |
| sz = file.getSize(); |
| } |
| String szStr = String.valueOf(sz); |
| if (szStr.length() > initStr.length()) { |
| return szStr; |
| } |
| return initStr.substring(0, initStr.length() - szStr.length()) + szStr; |
| } |
| |
| /** |
| * Get last modified date string. |
| */ |
| private String getLastModified(FtpFile file) { |
| return DateUtils.getUnixDate(file.getLastModified()); |
| } |
| |
| /** |
| * Get permission string. |
| */ |
| private char[] getPermission(FtpFile file) { |
| char permission[] = new char[10]; |
| Arrays.fill(permission, '-'); |
| |
| permission[0] = file.isDirectory() ? 'd' : '-'; |
| permission[1] = file.isReadable() ? 'r' : '-'; |
| permission[2] = file.isWritable() ? 'w' : '-'; |
| permission[3] = file.isDirectory() ? 'x' : '-'; |
| return permission; |
| } |
| |
| /* |
| * public String format(FileObject[] files) { StringBuffer sb = new |
| * StringBuffer(); |
| * |
| * for (int i = 0; i < files.length; i++) { sb.append(format(files[i])); |
| * sb.append(NEWLINE); } return sb.toString(); } |
| */ |
| |
| } |