1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.net.tftp; 19 20 import java.net.DatagramPacket; 21 import java.net.InetAddress; 22 23 /*** 24 * A class derived from TFTPRequestPacket definiing a TFTP write request 25 * packet type. 26 * <p> 27 * Details regarding the TFTP protocol and the format of TFTP packets can 28 * be found in RFC 783. But the point of these classes is to keep you 29 * from having to worry about the internals. Additionally, only very 30 * few people should have to care about any of the TFTPPacket classes 31 * or derived classes. Almost all users should only be concerned with the 32 * {@link org.apache.commons.net.tftp.TFTPClient} class 33 * {@link org.apache.commons.net.tftp.TFTPClient#receiveFile receiveFile()} 34 * and 35 * {@link org.apache.commons.net.tftp.TFTPClient#sendFile sendFile()} 36 * methods. 37 * <p> 38 * <p> 39 * @author Daniel F. Savarese 40 * @see TFTPPacket 41 * @see TFTPRequestPacket 42 * @see TFTPPacketException 43 * @see TFTP 44 ***/ 45 46 public final class TFTPWriteRequestPacket extends TFTPRequestPacket 47 { 48 49 /*** 50 * Creates a write request packet to be sent to a host at a 51 * given port with a filename and transfer mode request. 52 * <p> 53 * @param destination The host to which the packet is going to be sent. 54 * @param port The port to which the packet is going to be sent. 55 * @param filename The requested filename. 56 * @param mode The requested transfer mode. This should be on of the TFTP 57 * class MODE constants (e.g., TFTP.NETASCII_MODE). 58 ***/ 59 public TFTPWriteRequestPacket(InetAddress destination, int port, 60 String filename, int mode) 61 { 62 super(destination, port, TFTPPacket.WRITE_REQUEST, filename, mode); 63 } 64 65 /*** 66 * Creates a write request packet of based on a received 67 * datagram and assumes the datagram has already been identified as a 68 * write request. Assumes the datagram is at least length 4, else an 69 * ArrayIndexOutOfBoundsException may be thrown. 70 * <p> 71 * @param datagram The datagram containing the received request. 72 * @throws TFTPPacketException If the datagram isn't a valid TFTP 73 * request packet. 74 ***/ 75 TFTPWriteRequestPacket(DatagramPacket datagram) throws TFTPPacketException 76 { 77 super(TFTPPacket.WRITE_REQUEST, datagram); 78 } 79 }