<dependency> <groupId>com.neovisionaries</groupId> <artifactId>nv-websocket-client</artifactId> <version>1.3</version> </dependency>


Pom.xml


import com.neovisionaries.ws.client.WebSocket;
import com.neovisionaries.ws.client.WebSocketAdapter;
import com.neovisionaries.ws.client.WebSocketFactory;

public class WebSocketClient {

    public static void main(String[] args) throws Exception
    {
        // Connect to "wss://echo.websocket.org" and send "Hello." to it.
        // When a response from the WebSocket server is received, the
        // WebSocket connection is closed.
        new WebSocketFactory()
            .createSocket("wss://www.bitmex.com/realtime?subscribe=orderBookL2_25:XBTUSD")
            .addListener(new WebSocketAdapter() {
                @Override
                public void onTextMessage(WebSocket ws, String message) {
                    // Received a response. Print the received message.
                    System.out.println(message);

                    // Close the WebSocket connection.
                    //ws.disconnect();
                }
            })
            .connect();
    }
}

 
"announcement",        // Site announcements
"chat",                // Trollbox chat
"connected",           // Statistics of connected users/bots
"funding",             // Updates of swap funding rates. Sent every funding interval (usually 8hrs)
"instrument",          // Instrument updates including turnover and bid/ask
"insurance",           // Daily Insurance Fund updates
"liquidation",         // Liquidation orders as they're entered into the book
"orderBookL2_25",      // Top 25 levels of level 2 order book
"orderBookL2",         // Full level 2 order book
"orderBook10",         // Top 10 levels using traditional full book push
"publicNotifications", // System-wide notifications (used for short-lived messages)
"quote",               // Top level of the book
"quoteBin1m",          // 1-minute quote bins
"quoteBin5m",          // 5-minute quote bins
"quoteBin1h",          // 1-hour quote bins
"quoteBin1d",          // 1-day quote bins
"settlement",          // Settlements
"trade",               // Live trades
"tradeBin1m",          // 1-minute trade bins
"tradeBin5m",          // 5-minute trade bins
"tradeBin1h",          // 1-hour trade bins
"tradeBin1d",          // 1-day trade bins

"affiliate",   // Affiliate status, such as total referred users & payout %
"execution",   // Individual executions; can be multiple per order
"order",       // Live updates on your orders
"margin",      // Updates on your current account balance and margin requirements
"position",    // Updates on your positions
"privateNotifications", // Individual notifications - currently not used
"transact"     // Deposit/Withdrawal updates
"wallet"       // Bitcoin address balance data, including total deposits & withdrawals



{"table":"orderBookL2_25","action":"delete","data":[{"symbol":"XBTUSD","id":8799024850,"side":"Buy"}]}
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{"table":"orderBookL2_25","action":"insert","data":[{"symbol":"XBTUSD","id":8799023650,"side":"Buy","size":86599,"price":9763.5}]}
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{"table":"orderBookL2_25","action":"delete","data":[{"symbol":"XBTUSD","id":8799024800,"side":"Buy"}]}
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{"table":"orderBookL2_25","action":"insert","data":[{"symbol":"XBTUSD","id":8799023600,"side":"Buy","size":26800,"price":9764}]}
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