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The source code
* Copyright 2001-2004 The Apache Software Foundation
* 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
* 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.
* A class derived from TFTPRequestPacket definiing a TFTP read request
* packet type.
* Details regarding the TFTP protocol and the format of TFTP packets can
* be found in RFC 783. But the point of these classes is to keep you
* from having to worry about the internals. Additionally, only very
* few people should have to care about any of the TFTPPacket classes
* or derived classes. Almost all users should only be concerned with the
* TFTPClient class
* @author Daniel F. Savarese
* @see TFTPPacket
* @see TFTPRequestPacket
* @see TFTPPacketException
* @see TFTP
public final class TFTPReadRequestPacket extends TFTPRequestPacket
* Creates a read request packet to be sent to a host at a
* given port with a filename and transfer mode request.
* @param destination The host to which the packet is going to be sent.
* @param port The port to which the packet is going to be sent.
* @param filename The requested filename.
* @param mode The requested transfer mode. This should be on of the TFTP
* class MODE constants (e.g., TFTP.NETASCII_MODE).
public TFTPReadRequestPacket(InetAddress destination, int port,
String filename, int mode)
super(destination, port, TFTPPacket.READ_REQUEST, filename, mode);
* Creates a read request packet of based on a received
* datagram and assumes the datagram has already been identified as a
* read request. Assumes the datagram is at least length 4, else an
* ArrayIndexOutOfBoundsException may be thrown.
* @param datagram The datagram containing the received request.
* @throws TFTPPacketException If the datagram isn't a valid TFTP
* request packet.
TFTPReadRequestPacket(DatagramPacket datagram) throws TFTPPacketException