Without STOMP , with native Spring Boot WebSocket API #2
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abhisekmohantychinua
commented
May 23, 2024
abhisekmohantychinua
commented
- Read the reference document for Spring Boot here
- Read reference document for Javascript here
- Pre existing stomp configuration has been removed - New configuration with the help of basic Spring WebSocket API - MyHandler.java which handles the different events during connection
- Pre existing controller has been removed - Now login is implemented by overriding afterConnectionEstablished method. - The above method is compatible for token based authentication. - Instead of broker a List of WebSocketSession has been used to keep connected sessions.
- Pre existing event handler - Now logout is implemented by overriding afterConnectionClosed method. - Disconnected session has been removed from stored list.
- java.lang.IllegalStateException: Message will not be sent because the WebSocket session has been closed - The exception is fixed by sending messages to existing session.
- Now message has been sent to all connected sessions
- This is implemented by overriding handleTextMessage. - Manually publishing the message to all the sessions
- Optimized previous Javascript code - Wrapped up with windows.onload
- Previous libraries AJAX, Stomp has been removed - Instead of them native WebSocket class has been used - Unnecessary functions are removed and onMessageReceived, onError has been mapped to corresponding socket method
- The payload.body has been replaced by payload.data - stompClient variable has been replaced by socket - No additional changes has been added
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