Example usage for com.fasterxml.jackson.core JsonGenerator writeStringField

List of usage examples for com.fasterxml.jackson.core JsonGenerator writeStringField

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonGenerator writeStringField.

Prototype

public void writeStringField(String fieldName, String value) throws IOException, JsonGenerationException

Source Link

Document

Convenience method for outputting a field entry ("member") that has a String value.

Usage

From source file:net.opentsdb.tree.Tree.java

/**
 * Converts the object to a JSON byte array, necessary for CAS calls and to
 * keep redundant data down/*from  www. j  a va2s  .c  o  m*/
 * @return A byte array with the serialized tree
 */
private byte[] toStorageJson() {
    // TODO - precalc how much memory to grab
    final ByteArrayOutputStream output = new ByteArrayOutputStream();
    try {
        final JsonGenerator json = JSON.getFactory().createGenerator(output);

        json.writeStartObject();

        // we only need to write a small amount of information
        //json.writeNumberField("treeId", tree_id);
        json.writeStringField("name", name);
        json.writeStringField("description", description);
        json.writeStringField("notes", notes);
        json.writeBooleanField("strictMatch", strict_match);
        json.writeNumberField("created", created);
        json.writeBooleanField("enabled", enabled);
        json.writeBooleanField("storeFailures", store_failures);
        json.writeEndObject();
        json.close();

        // TODO zero copy?
        return output.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

void writeContextURL(final ContextURL contextURL, final JsonGenerator json) throws IOException {
    if (!isODataMetadataNone && contextURL != null) {
        json.writeStringField(constants.getContext(), ContextURLBuilder.create(contextURL).toASCIIString());
    }/*from   w  w w  .  java 2  s.c  om*/
}

From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

private void srid(final JsonGenerator jgen, final SRID srid) throws IOException {
    jgen.writeObjectFieldStart(Constants.JSON_CRS);
    jgen.writeStringField(Constants.ATTR_TYPE, Constants.JSON_NAME);
    jgen.writeObjectFieldStart(Constants.PROPERTIES);
    jgen.writeStringField(Constants.JSON_NAME, "EPSG:" + srid.toString());
    jgen.writeEndObject();/* w w w. j a va 2  s. c o m*/
    jgen.writeEndObject();
}

From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

void writeInlineCount(final String propertyName, final Integer count, final JsonGenerator json)
        throws IOException {
    if (count != null) {
        if (isIEEE754Compatible) {
            json.writeStringField(propertyName + constants.getCount(), String.valueOf(count));
        } else {/*from   w w w .j a  v  a2s.c o  m*/
            json.writeNumberField(propertyName + constants.getCount(), count);
        }
    }
}

From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

void writeDeltaLink(final AbstractEntityCollection entitySet, final JsonGenerator json, boolean pagination)
        throws IOException {
    if (entitySet.getDeltaLink() != null && !pagination) {
        json.writeStringField(constants.getDeltaLink(), entitySet.getDeltaLink().toASCIIString());
    }//  w ww . j  a  v a2s  .co  m
}

From source file:com.google.openrtb.json.OpenRtbJsonWriter.java

protected void writeGeoFields(Geo geo, JsonGenerator gen) throws IOException {
    if (geo.hasLat()) {
        gen.writeNumberField("lat", geo.getLat());
    }/*from   w ww .  j  a v  a 2s . c  om*/
    if (geo.hasLon()) {
        gen.writeNumberField("lon", geo.getLon());
    }
    if (geo.hasType()) {
        gen.writeNumberField("type", geo.getType().getNumber());
    }
    if (geo.hasCountry()) {
        gen.writeStringField("country", geo.getCountry());
    }
    if (geo.hasRegion()) {
        gen.writeStringField("region", geo.getRegion());
    }
    if (geo.hasRegionfips104()) {
        gen.writeStringField("regionfips104", geo.getRegionfips104());
    }
    if (geo.hasMetro()) {
        gen.writeStringField("metro", geo.getMetro());
    }
    if (geo.hasCity()) {
        gen.writeStringField("city", geo.getCity());
    }
    if (geo.hasZip()) {
        gen.writeStringField("zip", geo.getZip());
    }
    if (geo.hasUtcoffset()) {
        gen.writeNumberField("utcoffset", geo.getUtcoffset());
    }
    if (geo.hasAccuracy()) {
        gen.writeNumberField("accuracy", geo.getAccuracy());
    }
    if (geo.hasLastfix()) {
        gen.writeNumberField("lastfix", geo.getLastfix());
    }
    if (geo.hasIpservice()) {
        gen.writeNumberField("ipservice", geo.getIpservice().getNumber());
    }
}

From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

void writeNextLink(final AbstractEntityCollection entitySet, final JsonGenerator json, boolean pagination)
        throws IOException {
    if (entitySet.getNext() != null) {
        pagination = true;//from  w  w w.j  a v  a  2s .c  om
        json.writeStringField(constants.getNextLink(), entitySet.getNext().toASCIIString());
    } else {
        pagination = false;
    }
}

From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

@Override
public SerializerResult reference(final ServiceMetadata metadata, final EdmEntitySet edmEntitySet,
        final Entity entity, final ReferenceSerializerOptions options) throws SerializerException {
    OutputStream outputStream = null;
    SerializerException cachedException = null;

    try {/*from   ww w.  j  av a 2  s. co  m*/
        final ContextURL contextURL = checkContextURL(options == null ? null : options.getContextURL());
        CircleStreamBuffer buffer = new CircleStreamBuffer();
        final UriHelper uriHelper = new UriHelperImpl();
        outputStream = buffer.getOutputStream();
        final JsonGenerator json = new JsonFactory().createGenerator(outputStream);

        json.writeStartObject();
        writeContextURL(contextURL, json);
        json.writeStringField(constants.getId(), uriHelper.buildCanonicalURL(edmEntitySet, entity));
        json.writeEndObject();

        json.close();
        outputStream.close();
        return SerializerResultImpl.with().content(buffer.getInputStream()).build();
    } catch (final IOException e) {
        cachedException = new SerializerException(IO_EXCEPTION_TEXT, e,
                SerializerException.MessageKeys.IO_EXCEPTION);
        throw cachedException;
    } finally {
        closeCircleStreamBufferOutput(outputStream, cachedException);
    }
}

From source file:org.createnet.raptor.models.objects.serializer.RecordSetSerializer.java

@Override
public void serialize(RecordSet r, JsonGenerator jg, SerializerProvider sp) throws IOException {

    final Stream stream = r.getStream();
    ServiceObject obj = null;//from w w  w.  j a v  a2 s  . c  o m

    if (stream != null) {
        obj = stream.getServiceObject();
    }

    jg.writeStartObject();

    jg.writeObjectFieldStart("channels");

    for (Map.Entry<String, IRecord> item : r.channels.entrySet()) {

        String channelName = item.getKey();
        IRecord channel = item.getValue();

        // enforce stream schema if available
        if (r.getStream() != null) {
            if (!r.getStream().channels.containsKey(channelName)) {
                // skip unmanaged field
                return;
            }
        }

        if (channel == null) {
            continue;
        }
        if (channel.getValue() == null) {
            continue;
        }

        jg.writeObjectField(channelName, channel.getValue());

        //            jg.writeObjectFieldStart(channelName);
        //            jg.writeObjectField("current-value", channel.getValue());
        //            jg.writeEndObject();

    }

    jg.writeEndObject();

    jg.writeNumberField("timestamp", r.getTimestampTime());

    // try to get a value
    if (r.userId == null && obj != null) {
        r.userId = obj.userId;
    }

    if (r.userId != null) {
        jg.writeStringField("userId", r.userId);
    }

    // try to get a value
    if (r.objectId == null && obj != null) {
        r.objectId = obj.id;
    }

    if (r.objectId != null) {
        jg.writeStringField("objectId", r.objectId);
    }

    // try to get a value
    if (r.streamId == null && stream != null) {
        r.streamId = stream.name;
    }

    if (r.streamId != null) {
        jg.writeStringField("streamId", r.streamId);
    }

    jg.writeEndObject();

}