Java ObjectMapper类代码示例

import org.boon.json.ObjectMapper; //导入依赖的package包/类
@Test
public void testBadInstance() throws Exception
{

    Cluster cluster = ((ProtocolImpl)((CBConnection) con).protocol).getCluster();

    String endpoint = "{\"cluster\":\"default\",\"name\":\"10.168.209.119\",\"queryEndpoint\":\"http://10.168.209.119:8093/query/service\"," +
            "\"adminEndpoint\":\"http://10.168.209.119:8093/admin\",\"options\":null}";

    ObjectMapper mapper = JsonFactory.create();
    Map <String,Object> instanceEndpoint = (Map)mapper.fromJson(endpoint);

    cluster.addEndPoint(instanceEndpoint);

    assertNotNull(con);
    Statement statement = con.createStatement();
    assertNotNull(statement);

    // there are only 4 endpoints we added 1 which is 5
    for (int i = 0; i++< 6;)
    {

        int inserted = statement.executeUpdate("INSERT INTO default  (KEY, VALUE) VALUES ( 'K" + i +"'," + i +")");
        assertEquals(1, inserted);
    }
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
public static <T> String toJsonString(T document) {

        JsonSerializerFactory serializer = new JsonSerializerFactory().addFilter(new FieldFilter() {
            @Override
            public boolean include(Object o, FieldAccess fieldAccess) {
                if ( fieldAccess.hasAnnotation(DocumentRef.class.getName())) {
                    return false;
                }
                return true;
            }
        });

        ObjectMapper mapper = JsonFactory.create(null, serializer);

        return mapper.toJson(document);


    }
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
public void send(Object obj) {
    if (httpServerExchange.getRequestMethod()
            .equals(HEAD)) {
        httpServerExchange.endExchange();
        return;
    }
    httpServerExchange.getResponseHeaders()
            .put(Headers.CONTENT_TYPE, JSON_CONTENT_TYPE);

    ObjectMapper objectMapper = LOCAL_MAPPER.get();
    if (objectMapper == null) {
        LOGGER.info("Creating new parser.........");
        objectMapper = JsonFactory.createUseJSONDates();
        LOCAL_MAPPER.set(objectMapper);
    }

    String jsonStr = objectMapper
            .toJson(obj);
    ByteBuffer byteBuffer = ByteBuffer.wrap(jsonStr.getBytes(StandardCharsets.UTF_8));
    StreamSinkChannel responseChannel = httpServerExchange.getResponseChannel();
    int written;
    try {
        do {
            written = responseChannel.write(byteBuffer);
        } while (byteBuffer.hasRemaining() && written > 0);
    } catch (IOException e) {
        LOGGER.error("Can not write response: " + e.getMessage(), e);
    }
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
@Test
public void setSqlJson() throws Exception
{
    String json = "{\n" +
            "  \"emailAddress\": \"[email protected]\",\n" +
            "  \"type\": \"customer\",\n" +
            "  \"dateLastActive\": \"2014-05-06T15:52:14Z\",\n" +
            "  \"firstName\": \"Darrin\",\n" +
            "  \"phoneNumber\": \"497-854-2229 x000\",\n" +
            "  \"postalCode\": \"45603-9112\",\n" +
            "  \"lastName\": \"Ortiz\",\n" +
            "  \"ccInfo\": {\n" +
            "    \"cardNumber\": \"1234-2121-1221-1211\",\n" +
            "    \"cardType\": \"discover\",\n" +
            "    \"cardExpiry\": \"2012-11-12\"\n" +
            "  },\n" +
            "  \"dateAdded\": \"2013-06-10T15:52:14Z\",\n" +
            "  \"state\": \"IN\",\n" +
            "  \"customerId\": \"customer10\"\n" +
            "}";

    ObjectMapper mapper = JsonFactory.create();
    Map <String,Object> jsonObject = mapper.readValue(json, Map.class);

    String query = "insert into default (key,value) values (?,?)";

    SQLJSON sqljson = ((CBConnection)con).createSQLJSON();
    sqljson.setMap( jsonObject );
    try (PreparedStatement pstmt = con.prepareStatement(query))
    {
        pstmt.setString(1,"customer1");
        ((CBPreparedStatement)pstmt).setSQLJSON(2,sqljson);
        assertEquals(1,pstmt.executeUpdate());
    }
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
@Test
public void save() throws Exception {
    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");


    EventRepositoryFS repo = new EventRepositoryFS("test.json");

    Beer b1 = new Beer("Åbro Orginal", "Damm", "Lager", 213124, 23.2, "Åbro", "Sverige", "", 5.2, "flaska", "öl", true, 50, formatter.parse("2005-10-01"), "Åbro", "", 213124);
    Beer b2 = new Beer("Norrlands guld", "Hopps", "Lager", 14127, 19.5, "Spendrups", "Sverige", "", 5, "flaska", "öl", true, 330, formatter.parse("2005-10-01"), "Spendrups", "", 14127);
    Beer b3 = new Beer("Åbro Orginal", "Damm", "Lager", 213124, 23.2, "Åbro", "England", "", 5.2, "flaska", "öl", true, 50, formatter.parse("2005-10-01"), "Åbro", "", 213124);
    Beer b4 = new Beer("Falcon", "Njet", "Lager", 95483, 20, "Falcon", "Sverige", "", 4.8, "flaska", "öl", true, 335, formatter.parse("1999-10-01"), "Spendrups", "", 95483);

    Event e1 = new Event(213124, Event.Action.Update, b1, b3);
    Event e2 = new Event(14127, Event.Action.Create, new Beer(), b2);
    Event e3 = new Event(95483, Event.Action.Delete, b4, new Beer());

    List<Event> eventList = new ArrayList<>();
    eventList.add(e1);
    eventList.add(e2);
    eventList.add(e3);

    repo.save(eventList);

    ObjectMapper mapper =  JsonFactory.create();
    List<Event> events = new ArrayList<>();

    try {
        events = mapper.readValue(new FileInputStream("test.json"), List.class, Event.class);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    //puts("events", events);

    System.out.println(eventList.get(0).toString());
    System.out.println(events.get(0).toString());

    assertEquals(eventList, events);
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
private void convertBodyStringToObj(PostParseConsumer objectConsumer, HttpServerExchange exchange, String str) {
    if (bodyClassType.equals(String.class)) {
        this.body = (T) str;
        objectConsumer.postParse(exchange, str);
        return;
    }

    ObjectMapper objectMapper = LOCAL_MAPPER.get();
    if (objectMapper == null) {
        objectMapper = JsonFactory.createUseJSONDates();
        LOCAL_MAPPER.set(objectMapper);
    }

    T parsedType;
    try {
        parsedType = objectMapper.readValue(str, bodyClassType);
    } catch (Exception e) {
        exchange.setStatusCode(StatusCodes.BAD_REQUEST);
        exchange.endExchange();
        return;
    }

    if (parsedType == null) {
        exchange.setStatusCode(StatusCodes.BAD_REQUEST);
        exchange.endExchange();
        return;
    }

    Set<ConstraintViolation<T>> constraintViolations = validator.validate(parsedType);
    if (constraintViolations.isEmpty()) {
        this.body = parsedType;
        objectConsumer.postParse(exchange, parsedType);
    } else {
        exchange.setStatusCode(StatusCodes.BAD_REQUEST);
        exchange.getResponseSender()
                .send(objectMapper.toJson(new InvalidValues(constraintViolations.stream()
                        .map(violation -> violation.getPropertyPath()
                                .toString())
                        .collect(Collectors.toList()))));
        exchange.endExchange();
    }
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
@SuppressWarnings({ "unchecked", "rawtypes" })
public Cluster handleClusterResponse(CloseableHttpResponse response) throws IOException
{
    int status = response.getStatusLine().getStatusCode();
    HttpEntity entity = response.getEntity();
    String string = EntityUtils.toString(entity);
    logger.trace ("Cluster response {}", string);
    ObjectMapper mapper = JsonFactory.create();

    // has to be an object here since we can get a 404 back which is a string
    Object jsonArray = mapper.fromJson(string);

    String message="";

    switch (status)
    {
        case 200:
            //noinspection unchecked
            rewriteURLs((List<Map>)jsonArray);
            return new Cluster((List)jsonArray, ssl);
        case 400:
            message = "Bad Request";
            break;
        case 401:
            message = "Unauthorized Request credentials are missing or invalid";
            break;
        case 403:
            message = "Forbidden Request: read only violation or client unauthorized to modify";
            break;
        case 404:
            message = "Not found: Check the URL";
            break;
        case 405:
            message = "Method not allowed: The REST method type in request is supported";
            break;
        case 409:
            message = "Conflict: attempt to create a keyspace or index that already exists";
            break;
        case 410:
            message = "Gone: The server is doing a graceful shutdown";
            break;
        case 500:
            message = "Internal server error: unforeseen problem processing the request";
            break;
        case 503:
            message = "Service Unavailable: there is an issue preventing the request from being serv serviced";
            break;
    }
    throw new ClientProtocolException(message +": " + status);

}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
public ObjectMapper getObjectMapper() {
    return this.objectMapper;
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
public static <T> T createInstanceFromJsonString(final Class<T> document,final String jsonData) {
    ObjectMapper mapper =  JsonFactory.create();
    return mapper.readValue(jsonData,document);
}
 

import org.boon.json.ObjectMapper; //导入依赖的package包/类
/**
 * Use a custom unmarshal type and Boon mapper
 * 
 * @param mapper the custom mapper
 * @param unmarshalType the custom unmarshal type
 */
public BoonDataFormat(Class<?> unmarshalType, ObjectMapper mapper) {
    this.unmarshalType = unmarshalType;
    this.objectMapper = mapper;
}