WebSocket客户端java代码

Maven引入websoket的jar包：

1. <dependency>

2. <groupId>org.java-websocket</groupId>

3. <artifactId>Java-WebSocket</artifactId>

4. </dependency>

 

客户端代码：

1. package com.cms.integration.common;

2.  

3. import java.net.URI;

4. import java.net.URISyntaxException;

5.  

6. import org.java_websocket.client.WebSocketClient;

7. import org.java_websocket.drafts.Draft;

8. import org.java_websocket.drafts.Draft_17;

9. import org.java_websocket.handshake.ServerHandshake;

10.  

11. public class WebSocketC extends WebSocketClient{

12.  

13. /**

14. * 接受websocket服务端的值.

15. */

16. private static String receiveData = null;

17.  

18. /**

19. * 判断WebSocket是否打开.

20. */

21. private static boolean isOpen = false;

22.  

23. public WebSocketC(URI serverURI){

24. super(serverURI,new Draft_17());

25. }

26.  

27. public WebSocketC(URI serverURI, Draft draft) {

28. super( serverURI, draft );

29. }

30.  

31. @Override

32. public void onClose( int code, String reason, boolean remote ) {

33. // The codecodes are documented in class org.java_websocket.framing.CloseFrame

34. System.out.println( "Connection closed by " + ( remote ? "remote peer" : "us" ) );

35. isOpen = false;

36. }

37.  

38. @Override

39. public void onError(Exception arg0) {

40. // TODO Auto-generated method stub

41. System.out.println("make mistakes");

42. }

43.  

44. @Override

45. public void onMessage(String message) {

46. // TODO Auto-generated method stub

47. System.out.println( "received: " + message );

48. isOpen = true;

49. setReceiveData(message);

50. }

51.  

52. @Override

53. public void onOpen(ServerHandshake arg0) {

54. // TODO Auto-generated method stub

55. System.out.println( "opened connection" );

56. }

57.  

58. public static String getReceiveData() {

59. return receiveData;

60. }

61.  

62. public void setReceiveData(String receiveData) {

63. WebSocketC.receiveData = receiveData;

64. }

65.  

66. public static boolean getWebSocketConnectionIsOpen(){

67. return isOpen;

68. }

69.  

70. public static void main( String[] args ) throws URISyntaxException, InterruptedException {

71. // more about drafts here: http://github.com/TooTallNate/Java-WebSocket/wiki/Drafts

72. WebSocketC websocket = new WebSocketC( new URI( "ws://192.168.14.119:8090/loginVerify" ));

73. if(!websocket.connectBlocking()){

74. System.err.println( "Could not connect to the server." );

75. return;

76. }

77.  

78. // while(true){

79. // String value = getReceiveData();

80. // if(value == null){

81. // value =getReceiveData();

82. // }else{

83. // System.out.println(value+"__________________");

84. // return;

85. // }

86. // }

87.  

88. // 2秒后关闭

89. Thread.sleep(2000);

90. websocket.closeBlocking();

91.  

92. boolean f = getWebSocketConnectionIsOpen();

93. if(!f){

94. WebSocketC websockets = new WebSocketC( new URI( "ws://192.168.14.119:8090/loginVerify" ));

95. websockets.connectBlocking();

96. }

97.  

98. }

99. }