Example usage for io.vertx.core.http HttpClient webSocket

Introduction

In this page you can find the example usage for io.vertx.core.http HttpClient webSocket.

Prototype

void webSocket(int port, String host, String requestURI, Handler<AsyncResult<WebSocket>> handler);

Source Link

Document

Connect a WebSocket to the specified port, host and relative request URI

Usage

From source file:fr.thibaultleouay.chat.client.parts.SamplePart.java

License:Open Source License

@PostConstruct
public void createComposite(Composite parent) {

    GridLayoutFactory.fillDefaults().applyTo(parent);

    textViewer = new StyledText(parent, SWT.V_SCROLL | SWT.WRAP);
    textViewer.setText("Start Chatting :");

    textViewer.setEditable(false);//from w  w w  . j ava2  s  .com
    textViewer.setEnabled(true);
    GridDataFactory.fillDefaults().grab(true, true).applyTo(textViewer);

    textInput = new Text(parent, SWT.BORDER);
    textInput.setMessage("Start entering text");
    textInput.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    buttonSend = new Button(parent, SWT.BORDER);
    buttonSend.setText("Send");
    GridDataFactory.fillDefaults().grab(true, false).applyTo(buttonSend);
    buttonSend.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            // When we click our button we send our text input to the websocket
            websocket.writeFinalTextFrame(textInput.getText());
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {

        }
    });

    final Display display = Display.getCurrent();
    // We create our http client 
    HttpClient client = Vertx.vertx().createHttpClient();

    // We create our websocket on ws://localhost:8080 
    client.websocket(8080, "localhost", "", websocket -> {
        websocket.handler(data -> {
            //When we receive data from our websocket we update our widget though we should do it on the SWT thread 
            display.asyncExec(new Runnable() {
                @Override
                public void run() {
                    textViewer.setText(textViewer.getText() + "\n" + data.toString("UTF-8"));
                }
            });

        });

        this.websocket = websocket;
    });
}

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