| /* |
| * 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.impl; |
| |
| import org.apache.ftpserver.ftplet.FtpRequest; |
| |
| /** |
| * <strong>Internal class, do not use directly.</strong> |
| * |
| * FTP request object. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class DefaultFtpRequest implements FtpRequest { |
| |
| private final String line; |
| |
| private final String command; |
| |
| private final String argument; |
| |
| /** |
| * timestamp when this request was received |
| */ |
| private final long receivedTime; |
| |
| /** |
| * Default constructor. |
| */ |
| public DefaultFtpRequest(final String requestLine) { |
| //Assuming we create the request as soon as we receive the command from |
| //the client, set the received time to current time. If we do a whole |
| //bunch of things after we receive the command from the client and |
| //before constructing this FtpRequest object, then this method is not |
| //going to be accurate and need to look for an alternative solution. |
| this.receivedTime = System.currentTimeMillis(); |
| line = requestLine.trim(); |
| int spInd = line.indexOf(' '); |
| command = parseCmd(line, spInd); |
| argument = parseArg(line, spInd); |
| } |
| |
| /** |
| * Parse the ftp command line. |
| */ |
| private String parseCmd(final String lineToParse, int spInd) { |
| String cmd = null; |
| if (spInd != -1) { |
| cmd = line.substring(0, spInd).toUpperCase(); |
| } else { |
| cmd = line.toUpperCase(); |
| } |
| if ((cmd.length() > 0) && (cmd.charAt(0) == 'X')) { |
| cmd = cmd.substring(1); |
| } |
| return cmd; |
| } |
| |
| private String parseArg(final String lineToParse, int spInd) { |
| String arg = null; |
| if (spInd != -1) { |
| arg = line.substring(spInd + 1); |
| if (arg.isEmpty()) { |
| arg = null; |
| } |
| } |
| return arg; |
| } |
| |
| /** |
| * Get the ftp command. |
| */ |
| public String getCommand() { |
| return command; |
| } |
| |
| /** |
| * Get ftp input argument. |
| */ |
| public String getArgument() { |
| return argument; |
| } |
| |
| /** |
| * Get the ftp request line. |
| */ |
| public String getRequestLine() { |
| return line; |
| } |
| |
| /** |
| * Has argument. |
| */ |
| public boolean hasArgument() { |
| return getArgument() != null; |
| } |
| |
| public long getReceivedTime() { |
| return receivedTime; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| return getRequestLine(); |
| } |
| } |