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

Introduction

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

Prototype

public abstract void writeStartArray() throws IOException, JsonGenerationException;

Source Link

Document

Method for writing starting marker of a JSON Array value (character '['; plus possible white space decoration if pretty-printing is enabled).

Usage

From source file:org.tanrabad.survey.service.json.MultiPolygonTypeConverter.java

@Override
public void serialize(List<JsonPolygon> coordinateMultiPolygon, String fieldName,
        boolean writeFieldNameForObject, JsonGenerator jsonGenerator) throws IOException {

    if (coordinateMultiPolygon != null) {
        jsonGenerator.writeFieldName("coordinates");
        jsonGenerator.writeStartArray();
        for (JsonPolygon eachPolygon : coordinateMultiPolygon) {
            if (eachPolygon != null) {
                jsonGenerator.writeStartArray();
                writePolygonArray(jsonGenerator, eachPolygon.getBoundary());
                for (int subPolygonIndex = 0; subPolygonIndex < eachPolygon
                        .getHolesCount(); subPolygonIndex++) {
                    List<Location> holePolygon = eachPolygon.getHole(subPolygonIndex);
                    if (holePolygon != null) {
                        writePolygonArray(jsonGenerator, holePolygon);
                    }// w w  w  . jav a2  s .c  o  m
                }
                jsonGenerator.writeEndArray();
            }
        }
    }
    jsonGenerator.writeEndArray();
}

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From source file:org.dswarm.graph.json.serializer.ModelSerializer.java

@Override
public void serialize(final Model value, final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException, JsonProcessingException {

    final Collection<Resource> resources = value.getResources();

    if (resources != null && !resources.isEmpty()) {

        jgen.writeStartArray();

        for (final Resource resource : resources) {

            jgen.writeObject(resource);/*from   w w w . ja  va 2 s. co m*/
        }

        jgen.writeEndArray();
    }
}

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From source file:org.n52.ar.layar.LayarResponse.java

/**
 * //from  w w  w. ja  v a  2s . c  o m
 * "hotspots": [{
 * 
 * "id": "test_1",
 * 
 * "anchor": { "geolocation": { "lat": 52.3729, "lon": 4.93 } },
 * 
 * "text": { "title": "The Layar Office", "description": "The Location of the Layar Office", "footnote":
 * "Powered by Layar" },
 * 
 * "imageURL": "http:\/\/custom.layar.nl\/layarimage.jpeg", }
 * 
 * ]
 * 
 * See http://layar.com/documentation/browser/api/getpois-response/hotspots/
 * 
 * @param generator
 * @param hotspots2
 * @throws IOException
 * @throws JsonGenerationException
 */
private void createHotspots(JsonGenerator generator) throws JsonGenerationException, IOException {
    generator.writeFieldName("hotspots");
    generator.writeStartArray();
    for (Hotspot poi : this.hotspots) {

        generator.writeStartObject();
        generator.writeStringField("id", poi.id);

        // generator.writeFieldName("actions");
        // generator.writeStartArray();
        // if (layarPOI.actions != null) {
        // for (final LayarAction layarAction : layarPOI.actions) {
        // layarAction.toJSON(generator);
        // }
        // }
        // generator.writeEndArray();

        generator.writeObjectFieldStart("anchor");
        generator.writeObjectFieldStart("geolocation");
        generator.writeNumberField("lat", poi.lat);
        generator.writeNumberField("lon", poi.lon);
        generator.writeNumberField("alt", poi.alt);
        generator.writeEndObject();
        generator.writeEndObject();

        // generator.writeNumberField("distance", layarPOI.distance);
        // generator.writeNumberField("type", layarPOI.type);
        // generator.writeStringField("title", layarPOI.title);
        generator.writeObjectFieldStart("text");
        generator.writeStringField("title", poi.title);
        generator.writeStringField("description", poi.description);
        generator.writeStringField("footnote", "Service URL: ...");
        generator.writeEndObject();

        generator.writeStringField("attribution", poi.attribution);
        if (poi.imageURL != null) {
            generator.writeStringField("imageURL", poi.imageURL.toString());
        } else {
            generator.writeNullField("imageURL");
        }
        generator.writeEndObject();
    }
    generator.writeEndArray();

}

---

From source file:com.cedarsoft.serialization.jackson.ListSerializer.java

@Override
public void serialize(@Nonnull JsonGenerator serializeTo, @Nonnull List<? extends Object> object,
        @Nonnull Version formatVersion) throws IOException, VersionException, JsonProcessingException {
    serializeTo.writeStartArray();

    for (int i = 0; i < object.size(); i++) {
        Object current = object.get(i);
        serializeElement(serializeTo, current, i);
    }//from w w  w  .  j  a  v a2  s .  c  o m

    serializeTo.writeEndArray();
}

---

From source file:io.alicorn.data.models.CoordinateSerializer.java

@Override
public void serialize(GeospatialCoordinate geospatialCoordinate, JsonGenerator jsonGenerator,
        SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
    jsonGenerator.writeStartObject();//from   w w w  . j  a  v a  2 s. c o m
    jsonGenerator.writeStringField("type", "Point");
    jsonGenerator.writeFieldName("coordinates");
    jsonGenerator.writeStartArray();
    jsonGenerator.writeNumber(geospatialCoordinate.getLongitude());
    jsonGenerator.writeNumber(geospatialCoordinate.getLongitude());
    jsonGenerator.writeEndArray();
    jsonGenerator.writeEndObject();
}

---

From source file:net.opentsdb.contrib.tsquare.web.controller.ExtendedApiController.java

@RequestMapping(value = "/grep", method = RequestMethod.GET)
public void grep(@RequestParam(required = false, defaultValue = "") String type,
        @RequestParam(required = false, defaultValue = "wildcard") String method,
        @RequestParam(required = true) String q, final HttpServletResponse servletResponse) throws IOException {

    if (log.isInfoEnabled()) {
        log.info("Suggest {} using {} expression: {}", type, method, q);
    }/*from  www  .ja  v  a 2 s. c  o m*/

    // Do we have a valid type? Note that an empty "type" is valid.
    if (!Strings.isNullOrEmpty(type)) {
        Preconditions.checkArgument(getTsdbManager().getKnownUidKinds().contains(type), "Unknown type: %s",
                type);
    }

    // We can only query hbase using regex, so convert a wildcard query into
    // a regex if necessary.
    final String regex;
    if ("wildcard".equalsIgnoreCase(method)) {
        regex = TsWebUtils.wildcardToRegex(q);
        log.debug("Converted wildcard expression {} to regex: {}", q, regex);
    } else {
        regex = q;
    }

    final UidQuery query = getTsdbManager().newUidQuery();
    query.setRegex(regex);

    if (Strings.isNullOrEmpty(type)) {
        query.includeAllKinds();
    } else {
        query.includeKind(type);
    }

    servletResponse.setContentType("application/json");
    final OutputStream stream = servletResponse.getOutputStream();
    final JsonGenerator json = new JsonFactory().createJsonGenerator(stream);

    try {
        json.writeStartArray();

        query.run(new QueryCallback<Uid>() {
            @Override
            public boolean onResult(final Uid resultObject) {
                try {
                    json.writeString(resultObject.getName());
                    return true;
                } catch (IOException e) {
                    throw new IllegalArgumentException("Unable to serialize " + resultObject + " to JSON", e);
                }
            }
        });

        json.writeEndArray();
        json.flush();
    } finally {
        Closeables.close(stream, false);
    }
}

---

From source file:models.CategorySerializer.java

@Override
public void serialize(Category cat, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();/*from   ww  w.  ja va2  s .c  o  m*/
    jgen.writeStringField("id", cat.getId());
    jgen.writeStringField("label", cat.getLabel());
    jgen.writeFieldName("children");
    jgen.writeStartArray();
    for (Object obj : cat.getChildren()) {
        if (obj instanceof Group) {
            Group group = (Group) obj;
            jgen.writeStartObject();
            jgen.writeStringField("id", group.getId());
            jgen.writeStringField("label", group.getLabel());
            if (group.getType() == Type.PROCESS) {
                jgen.writeStringField("type", "PROCESS");
            } else {
                jgen.writeStringField("type", "COEFFICIENT");
            }
            jgen.writeEndObject();
        } else {
            jgen.writeObject(obj);
        }
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
}

---

From source file:org.datagator.api.client.SpooledRowBuffer.java

public void flush() throws IOException {
    if (cacheFile.length() > 0) {
        cacheFile.seek(cacheFile.length() - 1);
    } else {/*from  w w w. ja va2s  . c  om*/
        cacheFile.seek(0);
    }
    FileWriter writer = new FileWriter(cacheFile.getFD());
    JsonGenerator jg = Entity.json.createGenerator(writer);
    if (rowsCount < 0) {
        jg.writeRaw(",\n");
    }
    for (Object[] v : this.cache) {
        jg.writeStartArray();
        for (Object e : v) {
            jg.writeObject(e);
        }
        jg.writeEndArray();
        rowsCount += 1;
    }
    jg.flush();
    this.cache.clear();
}

---

From source file:org.bndtools.rt.repository.server.RepositoryResourceComponent.java

@GET
@Path("bundles/{bsn}")
@Produces(MediaType.APPLICATION_JSON)/*from  w ww  .j  av  a2s. co m*/
public Response listVersions(@Context UriInfo uriInfo, @PathParam("bsn") String bsn) throws Exception {
    SortedSet<Version> versions = repo.versions(bsn);

    UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder().path("{version}");

    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createJsonGenerator(writer);
    generator.writeStartArray();
    for (Version version : versions) {
        generator.writeStartObject();
        generator.writeStringField("bsn", bsn);
        generator.writeStringField("version", version.toString());
        generator.writeStringField("href", uriBuilder.build(version).toString());
        generator.writeEndObject();
    }
    generator.writeEndArray();
    generator.close();

    return Response.ok(writer.toString(), MediaType.APPLICATION_JSON).build();
}

---

From source file:org.bndtools.rt.repository.server.RepositoryResourceComponent.java

@GET
@Path("bundles")
@Produces(MediaType.APPLICATION_JSON)//from w ww.jav  a  2 s.co  m
public Response listBundles(@Context UriInfo uriInfo) throws Exception {
    MultivaluedMap<String, String> queryParams = uriInfo.getQueryParameters();
    List<String> patterns = queryParams.get("pattern");
    if (patterns == null || patterns.isEmpty())
        return Response.status(Status.BAD_REQUEST).entity("Bundle listing requires 'pattern' query parameter.")
                .build();

    UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder().path("{bsn}");
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createJsonGenerator(writer);
    generator.writeStartArray();

    for (String pattern : patterns) {
        List<String> list = repo.list(pattern);
        for (String bsn : list) {
            generator.writeStartObject();
            generator.writeStringField("bsn", bsn);
            generator.writeStringField("href", uriBuilder.build(bsn).toString());
            generator.writeEndObject();
        }
    }
    generator.writeEndArray();
    generator.close();

    return Response.ok(writer.toString(), MediaType.APPLICATION_JSON).build();
}

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