Examples of ch.ethz.inf.vs.californium.CoapClient$ObserveMessageObserveImpl

ch.ethz.inf.vs.californium.CoapClient
The ObserveMessageObserveImpl is called whenever a notification of an observed resource arrives. It wraps the response into a CoapResponse and lets the executor invoke the handler's method.

   * will use Californium's default endpoint.
   * 
   * @return the CoAP client
   */
  public CoapClient createClient() {
    CoapClient client = new CoapClient();
    client.setExecutor(getExecutor());
    List<Endpoint> endpoints = getEndpoints();
    if (!endpoints.isEmpty())
      client.setEndpoint(endpoints.get(0));
    return client;
  }

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    if (uri.endsWith("/")) {
      uri = uri.substring(-1);
    }


    if (first==1) {
      CoapClient clientPing = new CoapClient(uri);
      System.out.println("===============\nCC31\n---------------");
      if (!clientPing.ping(2000)) {
        System.out.println(uri + " does not respond to ping, exiting...");
        System.exit(-1);
      } else {
        System.out.println(uri + " reponds to ping");

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  public static void testCC(String uri) {


    // re-usable response object
    CoapResponse response;
    
    CoapClient client = new CoapClient(uri + "/test");
    
    System.out.println("===============\nCC01+10");
    System.out.println("---------------\nGET /test\n---------------");
    response = client.get();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    System.out.println("===============\nCC02");
    System.out.println("---------------\nDELETE /test\n---------------");
    response = client.delete();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    System.out.println("===============\nCC03");
    System.out.println("---------------\nPUT /test\n---------------");
    response = client.put("", MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    System.out.println("===============\nCC04");
    System.out.println("---------------\nPOST /test\n---------------");
    response = client.post("non-empty", MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    client.useNONs();
    
    System.out.println("===============\nCC05");
    System.out.println("---------------\nNON-GET /test\n---------------");
    response = client.get();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    System.out.println("===============\nCC06");
    System.out.println("---------------\nNON-DELETE /test\n---------------");
    response = client.delete();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    System.out.println("===============\nCC07");
    System.out.println("---------------\nNON-PUT /test\n---------------");
    response = client.put("", MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    System.out.println("===============\nCC08");
    System.out.println("---------------\nNON-POST /test\n---------------");
    response = client.post("non-empty", MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/separate");
    client.useCONs();


    System.out.println("===============\nCC09+11");
    System.out.println("---------------\nGET /separate\n---------------");
    response = client.get();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/test");


    System.out.println("===============\nCC12");
    System.out.println("---------------\nGET /test w/o Token\n---------------");
    Request req12 = Request.newGet(); // never re-use a Request object
    req12.setToken(new byte[0]);
    response = client.advanced(req12);
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    client.setURI(uri + "/seg1/seg2/seg3");


    System.out.println("===============\nCC13");
    System.out.println("---------------\nGET /seg1/seg2/seg3\n---------------");
    response = client.get();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    client.setURI(uri + "/query?first=1&second=2");


    System.out.println("===============\nCC14");
    System.out.println("---------------\nGET /query?first=1&second=2\n---------------");
    response = client.get();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());
    
    client.setURI(uri + "/separate");
    client.setTimeout(10000);
    client.useNONs();
    
    System.out.println("===============\nCC17");
    System.out.println("---------------\nNON-GET /separate\n---------------");
    response = client.get();
    System.out.println(response.advanced().getType() + "-" + response.getCode());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/test");
    client.setTimeout(0);
    client.useCONs();
    
    System.out.println("===============\nCC18");
    System.out.println("---------------\nPOST /test for Location-Path\n---------------");
    response = client.post("TD_COAP_CORE_18", MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.getCode() + "-" + response.getOptions().getLocationString());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/location-query");
    
    System.out.println("===============\nCC19");
    System.out.println("---------------\nGET /location-query\n---------------");
    response = client.post("query", MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.getCode() + "-" + response.getOptions().getLocationString());
    System.out.println(response.getResponseText());
    
    client.setURI(uri + "/multi-format");
    
    System.out.println("===============\nCC20");
    System.out.println("---------------\nGET /multi-format text/plain\n---------------");
    response = client.get(MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.getCode() + "-" + MediaTypeRegistry.toString(response.getOptions().getContentFormat()));
    System.out.println(response.getResponseText());
    System.out.println("---------------\nGET /multi-format application/xml\n---------------");
    response = client.get(MediaTypeRegistry.APPLICATION_XML);
    System.out.println(response.getCode() + "-" + MediaTypeRegistry.toString(response.getOptions().getContentFormat()));
    System.out.println(response.getResponseText());


    client.setURI(uri + "/validate");
    byte[] etag;
    
    System.out.println("===============\nCC21");
    System.out.println("---------------\nGET /validate\n---------------");
    response = client.get();
    if (response.getOptions().getETagCount()==1) {
      etag = response.getOptions().getETags().get(0);
      System.out.println(response.getCode() + " - ETag [" + Utils.toHexString(etag) + "]");
      System.out.println(response.getResponseText());


      System.out.println("---------------\nGET /validate with ETag\n---------------");
      response = client.validate(etag);
      etag = response.getOptions().getETags().get(0);
      System.out.println(response.getCode() + " - ETag [" + Utils.toHexString(etag) + "]");
      System.out.println(response.getResponseText());


      System.out.println("---------------\nPUT /validate stimulus\n---------------");
      CoapClient clientStimulus = new CoapClient(uri + "/validate");
      response = clientStimulus.put("CC21 at " + new SimpleDateFormat("HH:mm:ss.SSS").format(new Date()), MediaTypeRegistry.TEXT_PLAIN);
      System.out.println(response.getCode());


      System.out.println("---------------\nGET /validate with ETag\n---------------");
      response = client.validate(etag);
      etag = response.getOptions().getETags().get(0);
      System.out.println(response.getCode() + " - ETag [" + Utils.toHexString(etag) + "]");
      System.out.println(response.getResponseText());
      
    } else {
      System.out.println("Error - no ETag");
    }
    
    System.out.println("===============\nCC22");
    System.out.println("---------------\nGET /validate with If-Match\n---------------");
    response = client.get();
    if (response.getOptions().getETagCount()==1) {
      etag = response.getOptions().getETags().get(0);
      System.out.println(response.getCode() + " - ETag [" + Utils.toHexString(etag) + "]");
      System.out.println(response.getResponseText());


      System.out.println("---------------\nPUT /validate If-Match [" + Utils.toHexString(etag) + "]\n---------------");
      response = client.putIfMatch("CC22 at " + new SimpleDateFormat("HH:mm:ss.SSS").format(new Date()),
          MediaTypeRegistry.TEXT_PLAIN, etag);
      System.out.println(response.getCode());


      System.out.println("---------------\nGET /validate\n---------------");
      response = client.get();
      etag = response.getOptions().getETags().get(0);
      System.out.println(response.getCode() + " - ETag [" + Utils.toHexString(etag) + "]");
      System.out.println(response.getResponseText());
      
      System.out.println("---------------\nPUT /validate stimulus\n---------------");
      CoapClient clientStimulus = new CoapClient(uri + "/validate");
      response = clientStimulus.put("CC22 at " + new SimpleDateFormat("HH:mm:ss.SSS").format(new Date()), MediaTypeRegistry.TEXT_PLAIN);
      System.out.println(response.getCode());
      
      System.out.println("---------------\nPUT /validate If-Match [" + Utils.toHexString(etag) + "]\n---------------");
      response = client.putIfMatch("CC22 at " + new SimpleDateFormat("HH:mm:ss.SSS").format(new Date()),
          MediaTypeRegistry.TEXT_PLAIN, etag);

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    System.out.println(response.getCode());
  }
  
  public static void testCB(String uri) {
    
    CoapClient client = new CoapClient(uri + "/large");
    CoapResponse response;
    
    client.useEarlyNegotiation(64);
    
    System.out.println("===============\nCB01");
    System.out.println("---------------\nGET /large\n---------------");
    response = client.get();
    System.out.println(response.getCode());
    System.out.println(response.getResponseText());


    client.useLateNegotiation();


    System.out.println("===============\nCB02");
    System.out.println("---------------\nGET /large\n---------------");
    response = client.get();
    System.out.println(response.getCode());
    System.out.println(response.getResponseText());
    
    client.setURI(uri + "/large-update");


    System.out.println("===============\nCB03");
    System.out.println("---------------\nPUT /large-update\n---------------");
    response = client.put(getLargeRequestPayload(), MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.getCode());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/large-create");


    System.out.println("===============\nCB04");
    System.out.println("---------------\nPOST /large-create\n---------------");
    response = client.post(getLargeRequestPayload(), MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.getCode() + " - " + response.getOptions().getLocationString());
    System.out.println(response.getResponseText());


    client.setURI(uri + response.getOptions().getLocationString());


    System.out.println("---------------\nGET " + response.getOptions().getLocationString() + "\n---------------");
    response = client.get();
    System.out.println(response.getCode());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/large-post");


    System.out.println("===============\nCB05");
    System.out.println("---------------\nPOST /large-post\n---------------");
    response = client.post(getLargeRequestPayload(), MediaTypeRegistry.TEXT_PLAIN);
    System.out.println(response.getCode());
    System.out.println(response.getResponseText());


    client.setURI(uri + "/large");
    client.useEarlyNegotiation(16);
    
    System.out.println("===============\nCB06");
    System.out.println("---------------\nGET /large\n---------------");
    response = client.get();
    System.out.println(response.getCode());
    System.out.println(response.getResponseText());
  }

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    System.out.println(response.getResponseText());
  }


  public static void testCO(String uri) {
    
    CoapClient client = new CoapClient(uri + "/obs");


    System.out.println("===============\nCO01+06");
    System.out.println("---------------\nGET /obs with Observe");
    CoapObserveRelation relation1 = client.observe(
        new CoapHandler() {
          @Override public void onLoad(CoapResponse response) {
            String content = response.getResponseText();
            System.out.println("-CO01----------");
            System.out.println(content);
          }
          
          @Override public void onError() {
            System.err.println("-Failed--------");
          }
        });
    try { Thread.sleep(6*1000); } catch (InterruptedException e) { }
    System.out.println("---------------\nCancel Observe");
    relation1.reactiveCancel();
    try { Thread.sleep(6*1000); } catch (InterruptedException e) { }
    
    client.setURI(uri + "/obs-non").useNONs();
    
    System.out.println("===============\nCO02+06");
    System.out.println("---------------\nNON-GET /obs-non with Observe");
    CoapObserveRelation relation2 = client.observe(
        new CoapHandler() {
          @Override public void onLoad(CoapResponse response) {
            String content = response.getResponseText();
            System.out.println("-CO02----------");
            System.out.println(content);
          }
          
          @Override public void onError() {
            System.err.println("-Failed--------");
          }
        });
    try { Thread.sleep(6*1000); } catch (InterruptedException e) { }
    System.out.println("---------------\nCancel Observe");
    relation2.proactiveCancel();
    try { Thread.sleep(2*1000); } catch (InterruptedException e) { }
    
    client.setURI(uri + "/obs").useCONs();
    
    System.out.println("===============\nCO04");
    System.out.println("---------------\nGET /obs with Observe");
    CoapObserveRelation relation4 = client.observeAndWait(
        new CoapHandler() {
          @Override public void onLoad(CoapResponse response) {
            String content = response.getResponseText();
            System.out.println("-CO04----------");
            System.out.println(content);
          }
          
          @Override public void onError() {
            System.err.println("-Failed--------");
          }
        });
    long timeout = relation4.getCurrent().getOptions().getMaxAge();
    try { Thread.sleep(6*1000); } catch (InterruptedException e) { }
    System.out.println("---------------\nReboot Server");
    CoapClient clientStimulus = new CoapClient(uri + "/obs-reset");
    clientStimulus.post("sesame", MediaTypeRegistry.TEXT_PLAIN);
    try { Thread.sleep((timeout+6)*1000); } catch (InterruptedException e) { }
    relation4.proactiveCancel();
    try { Thread.sleep(2*1000); } catch (InterruptedException e) { }
    
    client.setURI(uri + "/obs-large");

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    try { Thread.sleep(6*1000); } catch (InterruptedException e) { }
  }


  public static void testCL(String uri) {


    CoapClient client = new CoapClient(uri);
    Set<WebLink> links;


    System.out.println("===============\nCL01");
    System.out.println("---------------\nGET /.well-known/core\n---------------");
    links = client.discover();
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL02");
    System.out.println("---------------\nGET /.well-known/core?rt=Type1\n---------------");
    links = client.discover("rt=Type1");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL03");
    System.out.println("---------------\nGET /.well-known/core?rt=*\n---------------");
    links = client.discover("rt=*");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL04");
    System.out.println("---------------\nGET /.well-known/core?rt=Type2\n---------------");
    links = client.discover("rt=Type2");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL05");
    System.out.println("---------------\nGET /.well-known/core?if=If*\n---------------");
    links = client.discover("if=If*");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL06");
    System.out.println("---------------\nGET /.well-known/core?sz=*\n---------------");
    links = client.discover("sz=*");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL07");
    System.out.println("---------------\nGET /.well-known/core?href=/link1\n---------------");
    links = client.discover("href=/link1");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL08");
    System.out.println("---------------\nGET /.well-known/core?href=/link*\n---------------");
    links = client.discover("href=/link*");
    for (WebLink link : links) {
      System.out.println(link);
    }
    
    System.out.println("===============\nCL09");
    System.out.println("---------------\nGET /.well-known/core?ct=40\n---------------");
    links = client.discover("ct=40");
    System.out.println("Found " + links.size() + " resource(s)");
    for (WebLink link : links) {
      client.setURI(link.getURI());
      System.out.println("---------------\nGET " + link.getURI() + " with ct=40\n---------------");
      Set<WebLink> links2 = LinkFormat.parse(client.get(MediaTypeRegistry.APPLICATION_LINK_FORMAT).getResponseText());
      System.out.println("Found " + links2.size() + " resource(s)");
      for (WebLink link2 : links2) {
        client.setURI(link2.getURI());
        System.out.println("---------------\nGET " + link2.getURI() + "\n---------------");
        CoapResponse response = client.get();
        System.out.println(response.advanced().getType() + "-" + response.getCode());
        System.out.println(response.getResponseText());
      }
    }
  }

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  private void post(Command command) throws InterruptedException {
    List<String> parameters = command.getParameters();
    if (parameters.size() > 0) {
      String uri = parameters.get(0);
      new CoapClient(uri).post("", MediaTypeRegistry.TEXT_PLAIN);
    } else {
      System.out.println("You have to specify a target");
    }
  }

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