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

List of usage examples for com.fasterxml.jackson.databind ObjectMapper writeValueAsString

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Introduction

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

Prototype

@SuppressWarnings("resource")
public String writeValueAsString(Object value) throws JsonProcessingException

Source Link

Document

Method that can be used to serialize any Java value as a String.

Usage

From source file:org.shareok.data.webserv.WebUtil.java

public static ModelAndView getRepoTypeList(ModelAndView model) throws JsonProcessingException {
    int index = 0;
    Map repoTypeMap = new HashMap();
    for (String repoType : DataUtil.REPO_TYPES) {
        repoTypeMap.put(index, repoType);
        index++;// w  w  w.j a va  2  s.co  m
    }
    String repoTypeListStr;
    ObjectMapper mapper = new ObjectMapper();
    repoTypeListStr = mapper.writeValueAsString(repoTypeMap);
    model.addObject("repoTypeList", repoTypeListStr);
    return model;
}

From source file:org.neo4j.jdbc.http.driver.Neo4jStatement.java

/**
 * Convert the list of query to a JSON compatible with Neo4j endpoint.
 *
 * @param queries List of cypher queries.
 * @param mapper mapper/*w  w  w.  ja va2  s  .c  om*/
 * @return The JSON string that correspond to the body of the API call
 * @throws SQLException sqlexception
 */
public static String toJson(List<Neo4jStatement> queries, ObjectMapper mapper) throws SQLException {
    StringBuilder sb = new StringBuilder();
    try {
        sb.append("{\"statements\":");
        sb.append(mapper.writeValueAsString(queries));
        sb.append("}");

    } catch (JsonProcessingException e) {
        throw new SQLException("Can't convert Cypher statement(s) into JSON");
    }
    return sb.toString();
}

From source file:com.amazonaws.services.kinesis.clientlibrary.proxies.util.KinesisLocalFileDataCreator.java

/**
 * Creates a temp file (in default temp file location) with fake Kinesis data records.
 * Records will be put in all shards.//from  w w  w  .j  a va 2s .  c o m
 * @param fileNamePrefix Prefix for the name of the temp file
 * @param shardList List of shards (we use the shardId and sequenceNumberRange fields)
 * @param numRecordsPerShard Num records per shard (the shard sequenceNumberRange should be large enough
 *     for us to allow these many records with some "holes")
 * @return File with stream data filled in
 * @throws IOException Thrown if there are issues creating/updating the file
 */
public static File generateTempDataFile(List<Shard> shardList, int numRecordsPerShard, String fileNamePrefix)
        throws IOException {
    File file = File.createTempFile(fileNamePrefix, FILE_NAME_SUFFIX);
    try (BufferedWriter fileWriter = new BufferedWriter(
            new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8))) {
        ObjectMapper objectMapper = new ObjectMapper();
        String serializedShardList = objectMapper
                .writeValueAsString(new KinesisLocalFileProxy.SerializedShardList(shardList));
        fileWriter.write(serializedShardList);
        fileWriter.newLine();
        BigInteger sequenceNumberIncrement = new BigInteger("0");
        long timestamp = STARTING_TIMESTAMP;
        for (int i = 0; i < numRecordsPerShard; i++) {
            for (Shard shard : shardList) {
                BigInteger sequenceNumber = new BigInteger(
                        shard.getSequenceNumberRange().getStartingSequenceNumber())
                                .add(sequenceNumberIncrement);
                String endingSequenceNumber = shard.getSequenceNumberRange().getEndingSequenceNumber();
                BigInteger maxSequenceNumber = KinesisLocalFileProxy.MAX_SEQUENCE_NUMBER;
                if (endingSequenceNumber != null) {
                    maxSequenceNumber = new BigInteger(endingSequenceNumber);
                }
                if (maxSequenceNumber.compareTo(sequenceNumber) != 1) {
                    throw new IllegalArgumentException("Not enough space in shard");
                }
                String partitionKey = PARTITION_KEY_PREFIX + shard.getShardId()
                        + generateRandomString(PARTITION_KEY_LENGTH);
                String data = generateRandomString(DATA_LENGTH);

                // Allow few records to have the same timestamps (to mimic real life scenarios).
                timestamp = (i % DIVISOR == 0) ? timestamp : timestamp + 1;
                String line = shard.getShardId() + "," + sequenceNumber + "," + partitionKey + "," + data + ","
                        + timestamp;

                fileWriter.write(line);
                fileWriter.newLine();
                sequenceNumberIncrement = sequenceNumberIncrement.add(BigInteger.ONE);
                sequenceNumberIncrement = sequenceNumberIncrement
                        .add(new BigInteger(NUM_BITS, randomGenerator));
            }
        }
    }
    return file;
}

From source file:com.microsoft.alm.client.utils.JsonHelper.java

/**
 * Map to QueryParameters/*from  ww w .  ja  va  2  s  .  co m*/
 *
 * @param model
 * @return Map<String, String>
 */
public static Map<String, String> toQueryParametersMap(final Object model) {
    final ObjectMapper objectMapper = getObjectMapper();

    try {
        return objectMapper.readValue(objectMapper.writeValueAsString(model),
                new TypeReference<Map<String, String>>() {
                });
    } catch (final Exception e) {
        log.error(e.getMessage(), e);
        throw new VssServiceException(e.getMessage(), e);
    }
}

From source file:com.basistech.rosette.examples.ExampleBase.java

/**
 * Converts a response to JSON string//from w w w.j av a2 s.c  o m
 *
 * @param response {@link com.basistech.rosette.apimodel.Response Response} from RosetteAPI
 * @return the json string.
 * @throws JsonProcessingException if the Jackson library throws an error serializing.
 */
protected static String responseToJson(Response response) throws JsonProcessingException {
    ObjectMapper mapper = ApiModelMixinModule.setupObjectMapper(new ObjectMapper());
    mapper.enable(SerializationFeature.INDENT_OUTPUT);
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
    return mapper.writeValueAsString(response);
}

From source file:com.xeiam.xchange.rest.JSONUtils.java

/**
 * Given any object return the JSON String representation of it
 * //  ww  w.  j a v a  2 s  .  com
 * @param object
 * @param objectMapper
 * @return
 */
public static String getJSONString(Object object, ObjectMapper objectMapper) {

    Assert.notNull(object, "object cannot be null");
    Assert.notNull(objectMapper, "objectMapper cannot be null");
    try {
        return objectMapper.writeValueAsString(object);
    } catch (IOException e) {
        // Rethrow as runtime exception
        throw new ExchangeException("Problem getting JSON String", e);
    }
}

From source file:org.wso2.app.catalog.utils.CommonUtils.java

/**
 * Convert given object to json formatted string.
 * @param obj Object to be converted.//from  ww  w .  ja v a  2 s  . c  o m
 * @return Json formatted string.
 * @throws AppCatalogException
 */
public static String toJSON(Object obj) throws AppCatalogException {
    try {
        ObjectMapper mapper = new ObjectMapper();
        return mapper.writeValueAsString(obj);
    } catch (JsonMappingException e) {
        throw new AppCatalogException("Error occurred while mapping class to json", e);
    } catch (JsonGenerationException e) {
        throw new AppCatalogException("Error occurred while generating json", e);
    } catch (IOException e) {
        throw new AppCatalogException("Error occurred while reading the stream", e);
    }
}

From source file:com.world.watch.worldwatchcron.util.PushToUser.java

public static void push(List<String> data, String userId) {
    try {//from   w  w  w .  j a va 2  s  .  com
        InputStream jsonStream = PushToUser.class.getResourceAsStream("/parsePush.json");
        ObjectMapper mapper = new ObjectMapper();
        PushData push = mapper.readValue(jsonStream, PushData.class);
        push.getWhere().setUsername(userId);
        push.getData().setKeywords(data);
        String json = mapper.writeValueAsString(push);

        HttpClient httpClient = HttpClients.custom().setDefaultRequestConfig(RequestConfig.custom().build())
                .build();
        HttpPost post = new HttpPost(URL);
        post.setHeader("X-Parse-Application-Id", "WhqWj009luOxOtIH3rM9iWJICLdf0NKbgqdaui8Q");
        post.setHeader("X-Parse-REST-API-Key", "lThhKObAz1Tkt092Cl1HeZv4KLUsdATvscOaGN2y");
        post.setHeader("Content-Type", "application/json");
        logger.debug("JSON to push {}", json.toString());
        StringEntity strEntity = new StringEntity(json);
        post.setEntity(strEntity);
        httpClient.execute(post);
        logger.debug("Pushed {} to userId {}", data.toString(), userId);
    } catch (Exception ex) {
        logger.error("Push Failed for {} ", userId, ex);
    }

}

From source file:si.mazi.rescu.JSONUtils.java

/**
 * Given any object return the JSON String representation of it
 *
 * @param object/* w  w  w  .j ava 2  s.  co m*/
 * @param objectMapper
 * @return
 */
public static String getJSONString(Object object, ObjectMapper objectMapper) {

    AssertUtil.notNull(object, "object cannot be null");
    AssertUtil.notNull(objectMapper, "objectMapper cannot be null");
    try {
        return objectMapper.writeValueAsString(object);
    } catch (IOException e) {
        // Rethrow as runtime exception
        throw new RuntimeException("Problem getting JSON String", e);
    }
}

From source file:uk.ac.sanger.cgp.wwdocker.actions.Utils.java

public static String objectToJson(Object obj) {
    ObjectMapper mapper = new ObjectMapper();
    String json;//w w  w.  j a v a  2s .co  m
    try {
        json = mapper.writeValueAsString(obj);
    } catch (JsonProcessingException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    return json;
}