Example usage for javax.json JsonObjectBuilder addNull

Introduction

In this page you can find the example usage for javax.json JsonObjectBuilder addNull.

Prototype

JsonObjectBuilder addNull(String name);

Source Link

Document

Adds a name/ JsonValue#NULL pair to the JSON object associated with this object builder where the value is null .

Usage

From source file:org.btc4j.daemon.BtcJsonRpcHttpClient.java

public JsonValue invoke(String method, JsonArray parameters) throws BtcException {
    JsonObjectBuilder builder = Json.createObjectBuilder();
    builder.add(JSONRPC_REALM, JSONRPC_VERSION).add(JSONRPC_METHOD, method);
    if (parameters != null) {
        builder.add(JSONRPC_PARAMS, parameters);
    } else {/*from w  w  w.  ja v  a  2 s .  com*/
        builder.addNull(JSONRPC_PARAMS);
    }
    String guid = UUID.randomUUID().toString();
    builder.add(JSONRPC_ID, guid);
    JsonObject request = builder.build();
    JsonObject response = jsonObject(jsonValue(jsonInvoke(String.valueOf(request))));
    if (response == null) {
        LOG.severe(BTC4J_DAEMON_DATA_NULL_JSON);
        throw new BtcException(BtcException.BTC4J_ERROR_CODE,
                BtcException.BTC4J_ERROR_MESSAGE + ": " + BTC4J_DAEMON_DATA_NULL_JSON);
    }
    if (!(guid.equals(jsonId(response)))) {
        LOG.severe(BTC4J_DAEMON_DATA_INVALID_ID);
        throw new BtcException(BtcException.BTC4J_ERROR_CODE,
                BtcException.BTC4J_ERROR_MESSAGE + ": " + BTC4J_DAEMON_DATA_INVALID_ID);
    }
    JsonValue error = response.get(JSONRPC_ERROR);
    if ((error != null) && (error.getValueType().equals(ValueType.OBJECT))) {
        JsonObject errorObj = (JsonObject) error;
        int code = errorObj.getInt(JSONRPC_CODE);
        String message = errorObj.getString(JSONRPC_MESSAGE);
        JsonObject data = (JsonObject) errorObj.get(JSONRPC_DATA);
        String dataStr = (data == null) ? "" : (" " + String.valueOf(data));
        LOG.severe("error: " + code + " " + message + dataStr);
        throw new BtcException(code, message + dataStr);
    }
    return response.get(JSONRPC_RESULT);

}

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From source file:be.fedict.dcat.datagovbe.Drupal.java

/**
 * Add a dataset to Drupal form/* w  w w .  java2s .  c om*/
 * 
 * @param builder
 * @param dataset
 * @param lang
 * @throws RepositoryException
 */
private void addDataset(JsonObjectBuilder builder, Map<IRI, ListMultimap<String, String>> dataset, String lang)
        throws RepositoryException {
    String id = getOne(dataset, DCTERMS.IDENTIFIER, "");
    String title = stripTags(getOne(dataset, DCTERMS.TITLE, lang));

    // Just copy the title if description is empty
    String desc = getOne(dataset, DCTERMS.DESCRIPTION, lang);
    desc = (desc.isEmpty()) ? title : stripTags(desc);

    // Max size for Drupal title
    if (title.length() > Drupal.LEN_TITLE) {
        logger.warn("Title {} too long", title);
        title = ellipsis(title, Drupal.LEN_TITLE);
    }

    Date modif = getModif(dataset);

    String keywords = getKeywords(dataset, lang);
    // Max size for Drupal keywords
    if (keywords.length() > Drupal.LEN_KEYWORDS) {
        logger.warn("Keywords {} too long", keywords);
        keywords = ellipsis(keywords, Drupal.LEN_KEYWORDS);
    }

    Map<IRI, ListMultimap<String, String>> publ = getPublisher(dataset);
    JsonArrayBuilder emails = fieldArrayJson(getDatasetMails(dataset));
    JsonArrayBuilder orgs = fieldArrayJson(getDatasetOrgs(dataset, lang));

    builder.add(Drupal.TYPE, Drupal.TYPE_DATA).add(Drupal.LANGUAGE, lang)
            .add(Drupal.AUTHOR, Json.createObjectBuilder().add(Drupal.ID, userid)).add(Drupal.TITLE, title)
            .add(Drupal.BODY,
                    Json.createObjectBuilder().add(Drupal.VALUE, desc).add(Drupal.SUMMARY, "")
                            .add(Drupal.FORMAT, Drupal.FORMAT_HTML))
            .add(Drupal.FLD_UPSTAMP, modif.getTime() / 1000L)
            .add(Drupal.FLD_FREQ, arrayTermsJson(dataset, DATAGOVBE.FREQ))
            .add(Drupal.FLD_CAT, arrayTermsJson(dataset, DATAGOVBE.THEME))
            .add(Drupal.FLD_GEO, arrayTermsJson(dataset, DATAGOVBE.SPATIAL))
            .add(Drupal.FLD_PUBLISHER, arrayTermsJson(publ, DATAGOVBE.ORG)).add(Drupal.FLD_ORG, orgs)
            .add(Drupal.FLD_MAIL, emails).add(Drupal.FLD_KEYWORDS, keywords).add(Drupal.FLD_ID, id);

    String fromtill = getOne(dataset, DCTERMS.TEMPORAL, "");
    if (fromtill.isEmpty()) {
        builder.addNull(Drupal.FLD_TIME);
    } else {
        builder.add(Drupal.FLD_TIME, fromtill);
    }
}

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