Package org.restlet.resource

Examples of org.restlet.resource.Representation

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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    ObjectMapper mapper = new ObjectMapper();
    ZNRecord zn = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);
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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    ObjectMapper mapper = new ObjectMapper();
    ZNRecord zn = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);
    AssertJUnit.assertTrue(zn.getListField("ResourceGroups").contains(resourceGroupName));

    httpUrlBase =
        "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/resourceGroups/"
            + resourceGroupName;
    resourceRef = new Reference(httpUrlBase);

    request = new Request(Method.GET, resourceRef);

    client = new Client(Protocol.HTTP);
    response = client.handle(request);

    result = response.getEntity();
    sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());
  }
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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    ObjectMapper mapper = new ObjectMapper();

    TypeReference<ArrayList<ZNRecord>> typeRef = new TypeReference<ArrayList<ZNRecord>>()
    {
    };
    List<ZNRecord> znList = mapper.readValue(new StringReader(sw.toString()), typeRef);
    AssertJUnit.assertTrue(znList.get(0).getId().equals(instance1 + "_" + instancePort));

    // the case to add more than 1 instances
    paraMap.clear();
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.addInstance);

    String[] instances = { "test2", "test3", "test4", "test5" };

    String instanceNames = "";
    boolean first = true;
    for (String instance : instances)
    {
      if (first == true)
      {
        first = false;
      }
      else
      {
        instanceNames += ";";
      }
      instanceNames += (instance + ":" + instancePort);
    }
    paraMap.put(JsonParameters.INSTANCE_NAMES, instanceNames);

    request = new Request(Method.POST, resourceRef);

    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    client = new Client(Protocol.HTTP);
    response = client.handle(request);

    result = response.getEntity();
    sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    mapper = new ObjectMapper();
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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    ObjectMapper mapper = new ObjectMapper();
    ZNRecord r = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);

    for (int i = 0; i < partitions; i++)
    {
      String partitionName = resourceGroupName + "_" + i;
      assert (r.getMapField(partitionName).size() == replicas);
    }

    httpUrlBase = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName;
    resourceRef = new Reference(httpUrlBase);
    request = new Request(Method.GET, resourceRef);

    client = new Client(Protocol.HTTP);
    response = client.handle(request);

    result = response.getEntity();
    sw = new StringWriter();
    result.write(sw);

  }
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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    ObjectMapper mapper = new ObjectMapper();
    ZNRecord r = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);
    AssertJUnit.assertTrue(r.getSimpleField(InstanceConfigProperty.HELIX_ENABLED.toString())
                            .equals("" + false));

    // Then enable it
    paraMap.put(JsonParameters.ENABLED, "" + true);
    request = new Request(Method.POST, resourceRef);

    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paraMap), MediaType.APPLICATION_ALL);
    client = new Client(Protocol.HTTP);
    response = client.handle(request);

    result = response.getEntity();
    sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    mapper = new ObjectMapper();
    r = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);
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    Request request = new Request(Method.GET, resourceRef);

    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    ObjectMapper mapper = new ObjectMapper();
    ZNRecord r = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);
    String partitionName = "new-entity-12345_3";
    r.getMapFields().remove(partitionName);

    Map<String, String> paraMap = new HashMap<String, String>();
    // Add 1 instance
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.addIdealState);

    resourceRef = new Reference(httpUrlBase);

    request = new Request(Method.POST, resourceRef);
    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
                          + ClusterRepresentationUtil.ObjectToJson(paraMap) + "&"
                          + JsonParameters.NEW_IDEAL_STATE + "="
                          + ClusterRepresentationUtil.ZNRecordToJson(r),
                      MediaType.APPLICATION_ALL);
    client = new Client(Protocol.HTTP);
    response = client.handle(request);

    result = response.getEntity();
    sw = new StringWriter();
    result.write(sw);

    // System.out.println(sw.toString());

    mapper = new ObjectMapper();
    ZNRecord r2 = mapper.readValue(new StringReader(sw.toString()), ZNRecord.class);
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  private ZNRecord get(Client client, String url, ObjectMapper mapper) throws Exception
  {
    Request request = new Request(Method.GET, new Reference(url));
    Response response = client.handle(request);
    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);
    String responseStr = sw.toString();
    Assert.assertTrue(responseStr.toLowerCase().indexOf("error") == -1);
    Assert.assertTrue(responseStr.toLowerCase().indexOf("exception") == -1);

    ZNRecord record = mapper.readValue(new StringReader(responseStr), ZNRecord.class);
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    Request request = new Request(Method.POST, new Reference(url));
    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(params), MediaType.APPLICATION_ALL);

    Response response = client.handle(request);
    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);
    String responseStr = sw.toString();
    Assert.assertTrue(responseStr.toLowerCase().indexOf("error") == -1);
    Assert.assertTrue(responseStr.toLowerCase().indexOf("exception") == -1);
  }
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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paramMap), MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);

    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    System.out.println(sw.toString());

    // verify pause znode exists
    String pausePath = PropertyPathConfig.getPath(PropertyType.PAUSE, clusterName);
    System.out.println("pausePath: " + pausePath);
    boolean exists = _gZkClient.exists(pausePath);
    Assert.assertTrue(exists, pausePath + " should exist");

    // Then enable it
    paramMap.put(JsonParameters.ENABLED, "" + true);
    request = new Request(Method.POST, resourceRef);

    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
        + ClusterRepresentationUtil.ObjectToJson(paramMap), MediaType.APPLICATION_ALL);
    client = new Client(Protocol.HTTP);
    response = client.handle(request);

    result = response.getEntity();
    sw = new StringWriter();
    result.write(sw);

    System.out.println(sw.toString());

    // verify pause znode doesn't exist
    exists = _gZkClient.exists(pausePath);
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    request.setEntity(JsonParameters.JSON_PARAMETERS + "="
                          + ClusterRepresentationUtil.ObjectToJson(jsonParameters),
                      MediaType.APPLICATION_ALL);
    Client client = new Client(Protocol.HTTP);
    Response response = client.handle(request);
    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);

    Assert.assertTrue(response.getStatus().getCode() == Status.SUCCESS_OK.getCode());
    Assert.assertTrue(hasException == sw.toString().toLowerCase().contains("exception"));
    return sw.toString();
  }
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