Unsupported library that attempts to punch holes through NAT
Du kannst nicht mehr als 25 Themen auswählen Themen müssen mit entweder einem Buchstaben oder einer Ziffer beginnen. Sie können Bindestriche („-“) enthalten und bis zu 35 Zeichen lang sein.

Username.java 1.6KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364
  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. package de.javawi.jstun.attribute;
  12. import de.javawi.jstun.util.Utility;
  13. import de.javawi.jstun.util.UtilityException;
  14. public class Username extends MessageAttribute {
  15. String username;
  16. public Username() {
  17. super(MessageAttribute.MessageAttributeType.Username);
  18. }
  19. public Username(String username) {
  20. super(MessageAttribute.MessageAttributeType.Username);
  21. setUsername(username);
  22. }
  23. public String getUsername() {
  24. return username;
  25. }
  26. public void setUsername(String username) {
  27. this.username = username;
  28. }
  29. public byte[] getBytes() throws UtilityException {
  30. int length = username.length();
  31. // username header
  32. if ((length % 4) != 0) {
  33. length += 4 - (length % 4);
  34. }
  35. // message attribute header
  36. length += 4;
  37. byte[] result = new byte[length];
  38. // message attribute header
  39. // type
  40. System.arraycopy(Utility.integerToTwoBytes(typeToInteger(type)), 0, result, 0, 2);
  41. // length
  42. System.arraycopy(Utility.integerToTwoBytes(length-4), 0, result, 2, 2);
  43. // username header
  44. byte[] temp = username.getBytes();
  45. System.arraycopy(temp, 0, result, 4, temp.length);
  46. return result;
  47. }
  48. public static Username parse(byte[] data) {
  49. Username result = new Username();
  50. String username = new String(data);
  51. result.setUsername(username);
  52. return result;
  53. }
  54. }