Examples of ch.ethz.inf.vs.californium.coap.MessageObserverAdapter

ch.ethz.inf.vs.californium.coap.MessageObserverAdapter
An abstract adapter class for reacting to message events. The methods in this class are empty. This class exists as convenience for creating message observer objects.
The following methods are called
- {@link #onResponse(Response)} when a response arrives
- {@link #onAcknowledgement()} when the message has been acknowledged
- {@link #onReject()} when the message has been rejected
- {@link #onCancel()} when the message has been canceled
- {@link #onTimeout()} when the client stops retransmitting the message andstill has not received anything from the remote endpoint
Extend this class to create a message observer and override the methods for the events of interest. (If you implement the MessageObserver interface, you have to define all of the methods in it. This abstract class defines empty methods for them all, so you only have to define methods for events you care about.)
Create a message observer using the extended class and then register it with a message using the message's addMessageObserver(MessageObserver observer) method.

      System.out.println("+++++ Sending PUT +++++");
      Request asyncRequest = new Request(Code.PUT, Type.CON);
      asyncRequest.setURI(uri);
      asyncRequest.getOptions().setContentFormat((int) Math.random() * 0xFFFF + 1);
      asyncRequest.setPayload("Random");
      asyncRequest.addMessageObserver(new MessageObserverAdapter() {
        public void onResponse(Response response) {
          if (response != null) {
            checkInt(EXPECTED_RESPONSE_CODE_1.value,
                response.getCode().value, "code");
          }

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                System.out.println("++++ obs-reset PUT ++++");
                Request asyncRequest = new Request(Code.POST, Type.CON);
                asyncRequest.setPayload("sesame");
                asyncRequest.setURI(serverURI + "/obs-reset");
                asyncRequest.addMessageObserver(new MessageObserverAdapter() {
                    public void onResponse(Response response) {
                        if (response != null) {
                          System.out.println("Received: " + response.getCode());
                          System.out.println("+++++++++++++++++++++++");
                        }

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        // Delete the /obs resource of the server (either locally or by
        // having another CoAP client perform a DELETE request)
        System.out.println("+++++ Sending DELETE +++++");
        Request asyncRequest = new Request(Code.DELETE, Type.CON);
        asyncRequest.setURI(uri);
        asyncRequest.addMessageObserver(new MessageObserverAdapter() {
          public void onResponse(Response response) {
            if (response != null) {
              checkInt(EXPECTED_RESPONSE_CODE_1.value, response.getCode().value, "code");
            }
          }

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    dmtRes.removeAllChildren();
    dtmRes.reload();
    
    Request request = new Request(Code.GET);
    request.setURI(COAP_PROTOCOL+getHost()+"/.well-known/core");
    request.addMessageObserver(new MessageObserverAdapter() {
      @SuppressWarnings({ "rawtypes", "unchecked" })
      public void onResponse(Response response) {
        String text = response.getPayloadString();
        Scanner scanner = new Scanner(text);
        Pattern pattern = Pattern.compile("<");

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