Example usage for com.fasterxml.jackson.databind JsonNode size

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind JsonNode size.

Prototype

public int size() 

Source Link

Usage

From source file:com.metamx.common.parsers.JSONToLowerParser.java

@Override
public Map<String, Object> parse(String input) {
    try {//from ww  w.jav  a 2s  . c o  m
        Map<String, Object> map = new LinkedHashMap<>();
        JsonNode root = objectMapper.readTree(input);

        Iterator<String> keysIter = (fieldNames == null ? root.fieldNames() : fieldNames.iterator());

        while (keysIter.hasNext()) {
            String key = keysIter.next();

            if (exclude.contains(key.toLowerCase())) {
                continue;
            }

            JsonNode node = root.path(key);

            if (node.isArray()) {
                final List<Object> nodeValue = Lists.newArrayListWithExpectedSize(node.size());
                for (final JsonNode subnode : node) {
                    final Object subnodeValue = valueFunction.apply(subnode);
                    if (subnodeValue != null) {
                        nodeValue.add(subnodeValue);
                    }
                }
                map.put(key.toLowerCase(), nodeValue); // difference from JSONParser parse()
            } else {
                final Object nodeValue = valueFunction.apply(node);
                if (nodeValue != null) {
                    map.put(key.toLowerCase(), nodeValue); // difference from JSONParser parse()
                }
            }
        }
        return map;
    } catch (Exception e) {
        throw new ParseException(e, "Unable to parse row [%s]", input);
    }
}

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From source file:com.arpnetworking.tsdcore.sinks.ReMetSinkTest.java

@Test
public void testSerializeMultiple() throws IOException {
    final AggregatedData datumA = TestBeanFactory.createAggregatedData();
    final AggregatedData datumB = TestBeanFactory.createAggregatedData();
    final List<AggregatedData> data = Lists.newArrayList(datumA, datumB);
    final ReMetSink remetSink = _remetSinkBuilder.build();
    final Collection<String> serializedData = remetSink.serialize(data, Collections.<Condition>emptyList());
    remetSink.close();// w  w w  .j a  v a 2s.  c o m

    Assert.assertEquals(1, serializedData.size());
    final JsonNode jsonArrayNode = OBJECT_MAPPER.readTree(Iterables.getOnlyElement(serializedData));
    Assert.assertTrue(jsonArrayNode.isArray());
    Assert.assertEquals(2, jsonArrayNode.size());
    final JsonNode jsonNodeA = jsonArrayNode.get(0);
    final JsonNode jsonNodeB = jsonArrayNode.get(1);
    assertJsonEqualsDatum(jsonNodeA, datumA);
    assertJsonEqualsDatum(jsonNodeB, datumB);
}

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From source file:org.activiti.rest.service.api.runtime.ExecutionActiveActivitiesCollectionResourceTest.java

@Deployment
public void testGetActivities() throws Exception {
    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("processOne");

    CloseableHttpResponse response = executeRequest(new HttpGet(SERVER_URL_PREFIX + RestUrls
            .createRelativeResourceUrl(RestUrls.URL_EXECUTION_ACTIVITIES_COLLECTION, processInstance.getId())),
            HttpStatus.SC_OK);/*ww  w .j av a  2  s .  c  om*/

    // Check resulting instance
    JsonNode responseNode = objectMapper.readTree(response.getEntity().getContent());
    closeResponse(response);
    assertNotNull(responseNode);
    assertTrue(responseNode.isArray());
    assertEquals(2, responseNode.size());

    Set<String> states = new HashSet<String>();
    states.add(responseNode.get(0).textValue());
    states.add(responseNode.get(1).textValue());

    assertTrue(states.contains("waitState"));
    assertTrue(states.contains("anotherWaitState"));
}

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From source file:org.n52.iceland.config.json.JsonSettingsDao.java

@Override
public Set<SettingValue<?>> getSettingValues() {
    readLock().lock();//  w  ww  .  ja  v  a  2 s.  co  m
    try {
        JsonNode node = getConfiguration().path(JsonConstants.SETTINGS);
        Set<SettingValue<?>> values = new HashSet<>(node.size());
        node.fieldNames().forEachRemaining(key -> values.add(createSettingValue(key, node.path(key))));
        return values;
    } finally {
        readLock().unlock();
    }
}

---

From source file:com.baidubce.services.moladb.model.transform.AttributeValueUnmarshaller.java

@Override
public AttributeValue unmarshall(JsonNode jsonObj) throws Exception {

    if (jsonObj.isNull()) {
        logger.error("Input json obj is null");
        throw new BceClientException("Input json obj is null");
    }//from   w  w w  .ja  v  a  2s .  co  m
    if (!jsonObj.isObject() || 0 == jsonObj.size()) {
        logger.error("Input json node:" + jsonObj.toString() + " is not a object or size is 0");
        throw new BceClientException("Illegal json:" + jsonObj.toString() + " for AttributeValue");
    }

    AttributeValue value = new AttributeValue();
    Iterator<String> fieldNames = jsonObj.fieldNames();
    String type = fieldNames.next();
    String val = jsonObj.get(type).asText();
    value.setValue(type, val);
    return value;
}

---

From source file:org.activiti.rest.service.api.runtime.ProcessInstanceQueryResourceTest.java

/**
 * Test querying process instance based on variables. POST query/process-instances
 *//*from   w w  w. j a  v a  2 s .  c om*/
@Deployment
public void testQueryProcessInstancesPagingAndSorting() throws Exception {
    ProcessInstance processInstance1 = runtimeService.startProcessInstanceByKey("aOneTaskProcess");
    ProcessInstance processInstance2 = runtimeService.startProcessInstanceByKey("bOneTaskProcess");
    ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKey("cOneTaskProcess");

    // Create request node
    ObjectNode requestNode = objectMapper.createObjectNode();
    requestNode.put("order", "desc");
    requestNode.put("sort", "processDefinitionKey");

    String url = RestUrls.createRelativeResourceUrl(RestUrls.URL_PROCESS_INSTANCE_QUERY);
    HttpPost httpPost = new HttpPost(SERVER_URL_PREFIX + url);
    httpPost.setEntity(new StringEntity(requestNode.toString()));
    CloseableHttpResponse response = executeRequest(httpPost, HttpStatus.SC_OK);

    // Check order
    JsonNode rootNode = objectMapper.readTree(response.getEntity().getContent());
    closeResponse(response);
    JsonNode dataNode = rootNode.get("data");
    assertEquals(3, dataNode.size());

    assertEquals(processInstance3.getId(), dataNode.get(0).get("id").asText());
    assertEquals(processInstance2.getId(), dataNode.get(1).get("id").asText());
    assertEquals(processInstance1.getId(), dataNode.get(2).get("id").asText());

    // Check paging size
    requestNode = objectMapper.createObjectNode();
    requestNode.put("start", 0);
    requestNode.put("size", 1);

    httpPost.setEntity(new StringEntity(requestNode.toString()));
    response = executeRequest(httpPost, HttpStatus.SC_OK);
    rootNode = objectMapper.readTree(response.getEntity().getContent());
    closeResponse(response);
    dataNode = rootNode.get("data");
    assertEquals(1, dataNode.size());

    // Check paging start and size
    requestNode = objectMapper.createObjectNode();
    requestNode.put("start", 1);
    requestNode.put("size", 1);
    requestNode.put("order", "desc");
    requestNode.put("sort", "processDefinitionKey");

    httpPost.setEntity(new StringEntity(requestNode.toString()));
    response = executeRequest(httpPost, HttpStatus.SC_OK);
    rootNode = objectMapper.readTree(response.getEntity().getContent());
    closeResponse(response);
    dataNode = rootNode.get("data");
    assertEquals(1, dataNode.size());
    assertEquals(processInstance2.getId(), dataNode.get(0).get("id").asText());
}

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From source file:cat.calidos.morfeu.model.transform.TransformNoValueIntTest.java

@Test
public void testTransformJSONToYAML() throws Exception {

    Document doc = produceDocumentFromPath("test-resources/documents/document4.json");
    assertNotNull(doc);/* w w  w .  j  a v  a  2 s.  c o m*/

    Map<String, Object> values = new HashMap<String, Object>(2);
    values.put("cells", doc.getContent().asList());
    values.put("model", doc.getModel());

    String transformed = DaggerViewComponent.builder().withTemplate("templates/transform/content-to-yaml.twig")
            .withValue(values).build().render();
    //System.err.println(transformed);

    YAMLMapper mapper = new YAMLMapper();
    JsonNode yaml = mapper.readTree(transformed);
    assertNotNull(yaml);
    assertTrue(yaml.isObject());
    assertTrue(yaml.has("rows"));

    JsonNode col = yaml.get("rows").get(0).get("cols").get(0); //rows/cols/col
    assertNotNull(col);
    assertTrue(col.isObject());
    assertTrue(col.has("stuff"));
    assertTrue(col.has("data4"));

    JsonNode stuff = col.get("stuff");
    assertTrue(stuff.isArray());
    assertEquals("stuff : [] in transformed yaml should have no elements", 0, stuff.size());

    JsonNode data4 = col.get("data4");
    assertTrue(data4.isObject());
    assertEquals("data4: {} in transformed yaml should be empty", 0, data4.size());

}

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From source file:com.infinities.keystone4j.admin.v3.credential.CredentialResourceTest.java

@Test
public void testListCredentials() throws JsonProcessingException, IOException {
    String blobStr = JsonUtils.toJsonWithoutPrettyPrint(blob);
    System.err.println("blob: " + blobStr);
    Response response = target("/v3/credentials").register(JacksonFeature.class)
            .register(ObjectMapperResolver.class).request()
            .header("X-Auth-Token", Config.Instance.getOpt(Config.Type.DEFAULT, "admin_token").asText()).get();
    assertEquals(200, response.getStatus());
    String ret = response.readEntity(String.class);
    JsonNode node = JsonUtils.convertToJsonNode(ret);
    System.err.println(ret);/*from w ww .  java 2 s . c  o  m*/
    JsonNode credentialsJ = node.get("credentials");
    assertEquals(1, credentialsJ.size());
    JsonNode credentialJ = credentialsJ.get(0);
    assertNotNull(credentialJ.get("id").asText());
    assertEquals(credential.getType(), credentialJ.get("type").asText());
    assertEquals(credential.getProjectId(), credentialJ.get("project_id").asText());
    assertEquals(credential.getUserId(), credentialJ.get("user_id").asText());
    assertEquals(blobStr, credentialJ.get("blob").asText());
    assertNotNull(credentialJ.get("links"));
    assertNotNull(credentialJ.get("links").get("self").asText());
}

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From source file:ijfx.service.overlay.io.OverlayDeserializer.java

private double[] getArray(JsonNode node, String fieldName) {
    JsonNode arrayNode = node.get(fieldName);
    if (arrayNode == null)
        return new double[0];
    int arraySize = arrayNode.size();
    if (arraySize < 0)
        return new double[0];
    else {//from  www.  ja v a2s  .co m
        return IntStream.range(0, arraySize).mapToDouble(i -> arrayNode.get(i).asDouble()).toArray();
    }
}

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From source file:com.turn.shapeshifter.AutoSerializerTest.java

@Test
public void testSerializeWithEmptySubObject() throws Exception {
    NamedSchema schema = NamedSchema.of(Union.getDescriptor(), "Union");
    SchemaRegistry registry = new SchemaRegistry();
    registry.register(schema);/*from   www  .j ava  2 s . co  m*/
    Union union = Union.newBuilder().setBoolValue(true).build();
    JsonNode result = new NamedSchemaSerializer(schema).serialize(union, registry);
    Assert.assertTrue(result.isObject());
    Assert.assertEquals(1, result.size());
    Assert.assertNull(result.get("unionValue"));
}

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