Example usage for com.fasterxml.jackson.databind ObjectMapper ObjectMapper

Introduction

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

Prototype

public ObjectMapper() 

Source Link

Document

Default constructor, which will construct the default JsonFactory as necessary, use SerializerProvider as its SerializerProvider , and BeanSerializerFactory as its SerializerFactory .

Usage

From source file:org.apache.infra.reviewboard.ReviewBoard.java

public static void main(String... args) throws IOException {

    URL url = new URL(REVIEW_BOARD_URL);
    HttpHost host = new HttpHost(url.getHost(), url.getPort(), url.getProtocol());

    Executor executor = Executor.newInstance().auth(host, REVIEW_BOARD_USERNAME, REVIEW_BOARD_PASSWORD)
            .authPreemptive(host);/*from w  ww  . j  av a 2 s.c om*/

    Request request = Request.Get(REVIEW_BOARD_URL + "/api/review-requests/");
    Response response = executor.execute(request);

    request = Request.Get(REVIEW_BOARD_URL + "/api/review-requests/");
    response = executor.execute(request);

    ObjectMapper mapper = new ObjectMapper();
    JsonNode json = mapper.readTree(response.returnResponse().getEntity().getContent());

    JsonFactory factory = new JsonFactory();
    JsonGenerator generator = factory.createGenerator(new PrintWriter(System.out));
    generator.setPrettyPrinter(new DefaultPrettyPrinter());
    mapper.writeTree(generator, json);
}

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From source file:com.mapr.data.sputnik.JsonGenerator.java

public static void main(String... args) {
    String config = "config6.json";
    try {/*ww w .  j  a  va 2s. c  om*/
        ObjectMapper mapper = new ObjectMapper();
        JsonGenerator gen = new JsonGenerator();
        log.info("Generated json Map: " + mapper.writeValueAsString(gen.testMapGenerator(config)));
        log.info("Generated flattened json Map: " + gen.testFlatJsonGenerator(config));
        JsonGenerator gen2 = new JsonGenerator();
        log.info("Generated json List: " + gen2.testListGenerator("config3.json"));
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:TestClass.java

public static void main(String[] args) throws JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    TestClass obj = new TestClass();
    obj.setId(1447912570);// w  ww  .  j  a  va 2  s. c om
    obj.setName("faltu project");
    //        obj.toString();
    System.out.println(obj.toString());
    //        String s = mapper.writeValueAsString(obj);
    //        System.out.println(s);
}

---

From source file:org.jetbrains.webdemo.executors.JunitExecutor.java

public static void main(String[] args) {
    try {/*from  w ww.ja v  a 2s .c  o  m*/
        JUnitCore jUnitCore = new JUnitCore();
        jUnitCore.addListener(new MyRunListener());
        List<Class> classes = getAllClassesFromTheDir(new File(args[0]));
        for (Class cl : classes) {
            boolean hasTestMethods = false;
            for (Method method : cl.getMethods()) {
                if (method.isAnnotationPresent(Test.class)) {
                    hasTestMethods = true;
                    break;
                }
            }
            if (!hasTestMethods)
                continue;

            Request request = Request.aClass(cl);
            jUnitCore.run(request);
        }
        try {
            ObjectMapper objectMapper = new ObjectMapper();
            SimpleModule module = new SimpleModule();
            module.addSerializer(Throwable.class, new ThrowableSerializer());
            module.addSerializer(junit.framework.ComparisonFailure.class,
                    new JunitFrameworkComparisonFailureSerializer());
            module.addSerializer(org.junit.ComparisonFailure.class, new OrgJunitComparisonFailureSerializer());
            objectMapper.registerModule(module);
            System.setOut(standardOutput);

            Map<String, List<TestRunInfo>> groupedTestResults = new HashMap<>();
            for (TestRunInfo testRunInfo : output) {
                if (!groupedTestResults.containsKey(testRunInfo.className)) {
                    groupedTestResults.put(testRunInfo.className, new ArrayList<TestRunInfo>());
                }
                groupedTestResults.get(testRunInfo.className).add(testRunInfo);
            }

            System.out.print(objectMapper.writeValueAsString(groupedTestResults));
        } catch (IOException e) {
            e.printStackTrace();
        }
    } catch (Throwable e) {
        System.setOut(standardOutput);
        System.out.print("[\"");
        e.printStackTrace();
        System.out.print("\"]");
    }
}

---

From source file:org.dawnsci.commandserver.mx.example.ActiveMQConsumer.java

public static void main(String[] args) throws Exception {

    ConnectionFactory connectionFactory = ConnectionFactoryFacade
            .createConnectionFactory("tcp://sci-serv5.diamond.ac.uk:61616");
    Connection connection = connectionFactory.createConnection();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Queue queue = session.createQueue("testQ");

    final MessageConsumer consumer = session.createConsumer(queue);
    connection.start();/*from w  ww.  j av  a  2s  .c  om*/

    while (true) { // You have to kill it to stop it!
        Message m = consumer.receive(1000);
        if (m != null) {
            if (m instanceof TextMessage) {
                TextMessage t = (TextMessage) m;
                System.out.println(t.getText());
                try {
                    ObjectMapper mapper = new ObjectMapper();
                    final SweepBean colBack = mapper.readValue(t.getText(), SweepBean.class);
                    System.out.println("Data collection found: " + colBack.getDataCollectionId());

                } catch (Exception ne) {
                    System.out.println(m + " is not a data collection.");
                }
            } else if (m instanceof ObjectMessage) {
                ObjectMessage o = (ObjectMessage) m;
                System.out.println(o.getObject());
            }
        }
    }
}

---

From source file:com.tmo.swagger.main.GenrateSwaggerJson.java

public static void main(String[] args)
        throws JsonGenerationException, JsonMappingException, IOException, EmptyXlsRows {

    PropertyReader pr = new PropertyReader();

    Properties prop = pr.readPropertiesFile(args[0]);
    //Properties prop =pr.readClassPathPropertyFile("common.properties");
    String swaggerFile = prop.getProperty("swagger.json");
    String sw = "";
    if (swaggerFile != null && swaggerFile.length() > 0) {
        Swagger swagger = populatePropertiesOnlyPaths(prop, new SwaggerParser().read(swaggerFile));
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL);
        sw = mapper.writeValueAsString(swagger);
    } else {//w ww.  j ava2  s  .  c o  m
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL);
        Swagger swagger = populateProperties(prop);
        sw = mapper.writeValueAsString(swagger);
    }
    try {
        File file = new File(args[1] + prop.getProperty("path.operation.tags") + ".json");
        //File file = new File("src/main/resources/"+prop.getProperty("path.operation.tags")+".json");
        if (!file.exists()) {
            file.createNewFile();
        }
        FileWriter fw = new FileWriter(file.getAbsoluteFile());
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(sw);
        logger.info("Swagger Genration Done!");
        bw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:org.javaee7.ejb.stateless.remote.AccountSessionBeanWithInterface.java

public static void main(String[] args) {
    try {//from   w w w . j ava2  s.c o m
        ObjectMapper mapper = new ObjectMapper();
        URL url = new URL("http://localhost:8180/account-1.0-SNAPSHOT/statistics");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setRequestProperty("Accept", "application/json");

        if (conn.getResponseCode() != 200) {
            throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        String output;
        String result = null;
        while ((output = br.readLine()) != null) {
            result = result + output;
        }
        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }
}

---

From source file:com.example.user.UserEndpoint.java

public static void main(String[] args) {
    final ObjectMapper objectMapper = new ObjectMapper().registerModule(new Jackson2HalModule())
            .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
            .setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
    final MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter(objectMapper);
    converter.setSupportedMediaTypes(Collections.singletonList(MediaTypes.HAL_JSON));
    final RestTemplate restTemplate = new RestTemplate(Collections.singletonList(converter));
    final ResponseEntity<PagedResources<Resource<UserEntity>>> entity = restTemplate.exchange(
            "http://localhost:5000/db-app/users", HttpMethod.GET, null,
            new ParameterizedTypeReference<PagedResources<Resource<UserEntity>>>() {
            });//from w  ww  . j  av  a 2  s.  c  om
    System.out.println(entity.getStatusCode());
    final PagedResources<Resource<UserEntity>> body = entity.getBody();
    System.out.println(body);
    final Collection<Resource<UserEntity>> contents = body.getContent();
    final List<UserEntity> userEntities = contents.stream().map(Resource::getContent).collect(toList());
}

---

From source file:net.e2.bw.idreg.db2ldif.Db2Ldif.java

/**
 * Main method//from  ww w. j av  a2s .  co m
 * @param args runtime arguments
 */
public static void main(String[] args) throws Exception {
    Db2Ldif db2ldif = new Db2Ldif();

    // Preload company data from json file
    ObjectMapper mapper = new ObjectMapper();
    List<Company> companies = mapper.readValue(Db2Ldif.class.getResource("/companies.json"),
            new TypeReference<List<Company>>() {
            });
    companies.forEach(c -> db2ldif.companyData.put(c.uid, c));

    new JCommander(db2ldif, args);
    db2ldif.execute();
}

---

From source file:org.dawnsci.commandserver.mx.example.ActiveMQProducer.java

public static void main(String[] args) throws Exception {

    QueueConnectionFactory connectionFactory = ConnectionFactoryFacade
            .createConnectionFactory("tcp://ws097.diamond.ac.uk:61616");
    Connection send = connectionFactory.createConnection();

    Session session = send.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Queue queue = session.createQueue("testQ");

    final MessageProducer producer = session.createProducer(queue);
    producer.setDeliveryMode(DeliveryMode.PERSISTENT);

    Message message = session.createTextMessage("Hello World");
    producer.send(message);//from   w w w.ja  v a2  s.c o  m

    message = session.createTextMessage("...and another message");
    producer.send(message);

    message = session.createObjectMessage(new TestObjectBean("this could be", "anything"));
    producer.send(message);

    // Test JSON
    SweepBean col = new SweepBean("fred", "d0000000001", 0, 100);

    ObjectMapper mapper = new ObjectMapper();
    String jsonString = mapper.writeValueAsString(col);

    message = session.createTextMessage(jsonString);
    producer.send(message);

    producer.close();
    session.close();
    send.close();

    // Now we peak at the queue
    // If the consumer is not going, the messages should still be there
    if (REQUIRE_PEAK) {
        QueueConnection qCon = connectionFactory.createQueueConnection();
        QueueSession qSes = qCon.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        queue = qSes.createQueue("testQ");
        qCon.start();

        QueueBrowser qb = qSes.createBrowser(queue);
        Enumeration e = qb.getEnumeration();
        if (e.hasMoreElements())
            System.out.println("Peak at queue:");
        while (e.hasMoreElements()) {
            Message m = (Message) e.nextElement();
            if (m == null)
                continue;
            if (m instanceof TextMessage) {
                TextMessage t = (TextMessage) m;
                System.out.println(t.getText());
            } else if (m instanceof ObjectMessage) {
                ObjectMessage o = (ObjectMessage) m;
                System.out.println(o.getObject());
            }
        }

        qb.close();
        qSes.close();
        qCon.close();
    }

}

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