sjero.net Git - linphone/blob - p2pproxy/dependencies-src/jstun-src-0.7.1/de/javawi/jstun/attribute/Username.java

   1 /*
   2  * This file is part of JSTUN.
   3  *
   4  * Copyright (c) 2005 Thomas King <king@t-king.de> - All rights
   5  * reserved.
   6  *
   7  * This software is licensed under either the GNU Public License (GPL),
   8  * or the Apache 2.0 license. Copies of both license agreements are
   9  * included in this distribution.
  10  */
  11
  12 package de.javawi.jstun.attribute;
  13
  14 import de.javawi.jstun.util.Utility;
  15 import de.javawi.jstun.util.UtilityException;
  16
  17 public class Username extends MessageAttribute {
  18         String username;
  19
  20         public Username() {
  21                 super(MessageAttribute.MessageAttributeType.Username);
  22         }
  23
  24         public Username(String username) {
  25                 super(MessageAttribute.MessageAttributeType.Username);
  26                 setUsername(username);
  27         }
  28
  29         public String getUsername() {
  30                 return username;
  31         }
  32
  33         public void setUsername(String username) {
  34                 this.username = username;
  35         }
  36
  37         public byte[] getBytes() throws UtilityException {
  38                 int length = username.length();
  39                 // username header
  40                 if ((length % 4) != 0) {
  41                         length += 4 - (length % 4);
  42                 }
  43                 // message attribute header
  44                 length += 4;
  45                 byte[] result = new byte[length];
  46                 // message attribute header
  47                 // type
  48                 System.arraycopy(Utility.integerToTwoBytes(typeToInteger(type)), 0, result, 0, 2);
  49                 // length
  50                 System.arraycopy(Utility.integerToTwoBytes(length-4), 0, result, 2, 2);
  51
  52                 // username header
  53                 byte[] temp = username.getBytes();
  54                 System.arraycopy(temp, 0, result, 4, temp.length);
  55                 return result;
  56         }
  57
  58         public static Username parse(byte[] data) {
  59                 Username result = new Username();
  60                 String username = new String(data);
  61                 result.setUsername(username);
  62                 return result;
  63         }
  64 }