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.h2gis.drivers.geojson.GeoJsonWriteDriver.java

/**
 * Coordinates of a MultiLineString are an array of LineString coordinate
 * arrays:/*w  ww .  j a v a2s .  com*/
 *
 * { "type": "MultiLineString", "coordinates": [ [ [100.0, 0.0], [101.0,
 * 1.0] ], [ [102.0, 2.0], [103.0, 3.0] ] ] }
 *
 * @param geom
 * @param gen
 * @throws IOException
 */
private void write(MultiLineString geom, JsonGenerator gen) throws IOException {
    gen.writeStringField("type", "MultiLineString");
    gen.writeFieldName("coordinates");
    gen.writeStartArray();
    for (int i = 0; i < geom.getNumGeometries(); ++i) {
        writeCoordinates(geom.getGeometryN(i).getCoordinates(), gen);
    }
    gen.writeEndArray();
}

---

From source file:org.h2gis.drivers.geojson.GeoJsonWriteDriver.java

/**
 *
 *
 * Coordinates of a MultiPolygon are an array of Polygon coordinate arrays:
 *
 * { "type": "MultiPolygon", "coordinates": [ [[[102.0, 2.0], [103.0, 2.0],
 * [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]]], [[[100.0, 0.0], [101.0, 0.0],
 * [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]], [[100.2, 0.2], [100.8, 0.2],
 * [100.8, 0.8], [100.2, 0.8], [100.2, 0.2]]] ] }
 *
 * @param geom/*from  ww w  .java  2s .c  o m*/
 * @param gen
 * @throws IOException
 */
private void write(MultiPolygon geom, JsonGenerator gen) throws IOException {
    gen.writeStringField("type", "MultiPolygon");
    gen.writeFieldName("coordinates");
    gen.writeStartArray();
    for (int i = 0; i < geom.getNumGeometries(); ++i) {
        Polygon p = (Polygon) geom.getGeometryN(i);
        gen.writeStartArray();
        writeCoordinates(p.getExteriorRing().getCoordinates(), gen);
        for (int j = 0; j < p.getNumInteriorRing(); ++j) {
            writeCoordinates(p.getInteriorRingN(j).getCoordinates(), gen);
        }
        gen.writeEndArray();
    }
    gen.writeEndArray();
}

---

From source file:org.eclipse.winery.repository.rest.resources.AbstractComponentsResource.java

/**
 * Used by org.eclipse.winery.repository.repository.client and by the artifactcreationdialog.tag. Especially the
 * "name" field is used there at the UI/*from  w w  w. j a v a2s . co m*/
 *
 * @param grouped if given, the JSON output is grouped by namespace
 * @return A list of all ids of all instances of this component type. <br /> Format: <code>[({"namespace":
 * "[namespace]", "id": "[id]"},)* ]</code>. <br /><br /> If grouped is set, the list will be grouped by namespace.
 * <br /> <code>[{"id": "[namsepace encoded]", "test": "[namespace decoded]", "children":[{"id": "[qName]", "text":
 * "[id]"}]}]</code>
 */
@GET
@Produces(MediaType.APPLICATION_JSON)
public String getListOfAllIds(@QueryParam("grouped") String grouped) {
    Class<? extends TOSCAComponentId> idClass = RestUtils
            .getComponentIdClassForComponentContainer(this.getClass());
    boolean supportsNameAttribute = Util.instanceSupportsNameAttribute(idClass);
    SortedSet<? extends TOSCAComponentId> allTOSCAcomponentIds = RepositoryFactory.getRepository()
            .getAllTOSCAComponentIds(idClass);
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter sw = new StringWriter();
    try {
        JsonGenerator jg = jsonFactory.createGenerator(sw);
        // We produce org.eclipse.winery.repository.client.WineryRepositoryClient.NamespaceAndId by hand here
        // Refactoring could move this class to common and fill it here
        if (grouped == null) {
            jg.writeStartArray();
            for (TOSCAComponentId id : allTOSCAcomponentIds) {
                jg.writeStartObject();
                jg.writeStringField("namespace", id.getNamespace().getDecoded());
                jg.writeStringField("id", id.getXmlId().getDecoded());
                if (supportsNameAttribute) {
                    AbstractComponentInstanceResource componentInstaceResource = AbstractComponentsResource
                            .getComponentInstaceResource(id);
                    String name = ((IHasName) componentInstaceResource).getName();
                    jg.writeStringField("name", name);
                } else {
                    // used for winery-qNameSelector to avoid an if there
                    jg.writeStringField("name", id.getXmlId().getDecoded());
                }
                jg.writeStringField("qName", id.getQName().toString());
                jg.writeEndObject();
            }
            jg.writeEndArray();
        } else {
            jg.writeStartArray();
            Map<Namespace, ? extends List<? extends TOSCAComponentId>> groupedIds = allTOSCAcomponentIds
                    .stream().collect(Collectors.groupingBy(id -> id.getNamespace()));
            groupedIds.keySet().stream().sorted().forEach(namespace -> {
                try {
                    jg.writeStartObject();
                    jg.writeStringField("id", namespace.getEncoded());
                    jg.writeStringField("text", namespace.getDecoded());
                    jg.writeFieldName("children");
                    jg.writeStartArray();
                    groupedIds.get(namespace).forEach(id -> {
                        try {
                            jg.writeStartObject();
                            String text;
                            if (supportsNameAttribute) {
                                AbstractComponentInstanceResource componentInstaceResource = AbstractComponentsResource
                                        .getComponentInstaceResource(id);
                                text = ((IHasName) componentInstaceResource).getName();
                            } else {
                                text = id.getXmlId().getDecoded();
                            }
                            jg.writeStringField("id", id.getQName().toString());
                            jg.writeStringField("text", text);
                            jg.writeEndObject();
                        } catch (IOException e) {
                            AbstractComponentsResource.LOGGER.error("Could not create JSON", e);
                        }
                    });
                    jg.writeEndArray();
                    jg.writeEndObject();
                } catch (IOException e) {
                    AbstractComponentsResource.LOGGER.error("Could not create JSON", e);
                }
            });
            jg.writeEndArray();
        }
        jg.close();
    } catch (Exception e) {
        AbstractComponentsResource.LOGGER.error(e.getMessage(), e);
        return "[]";
    }
    return sw.toString();
}

---

From source file:org.apache.nifi.processors.elasticsearch.PutElasticsearchHttpRecord.java

private void writeArray(final Object[] values, final String fieldName, final JsonGenerator generator,
        final DataType elementType) throws IOException {
    generator.writeStartArray();
    for (final Object element : values) {
        writeValue(generator, element, fieldName, elementType);
    }/*  w w w  .ja  v a 2 s.  c o  m*/
    generator.writeEndArray();
}

---

From source file:org.emfjson.jackson.streaming.StreamWriter.java

public void generate(final JsonGenerator generator, Resource resource) {
    prepare(generator, resource);//w w  w. j a  va 2  s .c  om

    final EList<EObject> contents = resource.getContents();

    if (contents.size() == 1) {
        try {
            generate(generator, contents.get(0));
        } catch (IOException e) {
            e.printStackTrace();
        }
    } else {
        try {
            generator.writeStartArray();
            for (final EObject current : contents) {
                generate(generator, current);
            }
            generator.writeEndArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

---

From source file:com.basho.riak.client.query.MapReduce.java

/**
 * Creates the JSON string of the M/R job for submitting to the
 * {@link RawClient}/*  w  w w. j a v a  2s . c o m*/
 * 
 * Uses Jackson to write out the JSON string. I'm not very happy with this
 * method, it is a candidate for change.
 * 
 * TODO re-evaluate this method, look for something smaller and more elegant.
 * 
 * @return a String of JSON
 * @throws RiakException
 *             if, for some reason, we can't create a JSON string.
 */
private String writeSpec() throws RiakException {

    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    try {
        JsonGenerator jg = new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
        jg.setCodec(new ObjectMapper());

        jg.writeStartObject();

        jg.writeFieldName("inputs");
        writeInput(jg);

        jg.writeFieldName("query");
        jg.writeStartArray();

        writePhases(jg);

        jg.writeEndArray();
        if (timeout != null) {
            jg.writeNumberField("timeout", timeout);
        }

        jg.writeEndObject();
        jg.flush();

        return out.toString("UTF8");
    } catch (IOException e) {
        throw new RiakException(e);
    }
}

---

From source file:org.neo4j.ontology.server.unmanaged.AnnotationResource.java

@GET
@Produces(MediaType.APPLICATION_JSON)//from  w w  w. j  a v a2 s.  co m
@Path("/{userName}")
public Response getAnnotationSets(final @PathParam("userName") String userName,
        final @DefaultValue("0") @QueryParam("objectification") int objectification) {
    StreamingOutput stream = new StreamingOutput() {
        @Override
        public void write(OutputStream os) throws IOException, WebApplicationException {
            Map<Long, List<Long>> associatedDataSets = new HashMap<>();
            Label annotationLabel = DynamicLabel.label("AnnotationSets" + capitalize(userName));

            JsonGenerator jg = objectMapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
            jg.writeStartObject();
            jg.writeFieldName("nodes");

            if (objectification > 0) {
                jg.writeStartObject();
            } else {
                jg.writeStartArray();
            }

            try (Transaction tx = graphDb.beginTx();
                    ResourceIterator<Node> users = graphDb.findNodes(USER, "name", userName)) {
                if (users.hasNext()) {
                    getDirectAnnotationTerms(getAccessibleDataSets(users.next()), associatedDataSets);
                }
                tx.success();
            }

            try (Transaction tx = graphDb.beginTx();
                    ResourceIterator<Node> terms = graphDb.findNodes(annotationLabel)) {
                while (terms.hasNext()) {
                    Node term = terms.next();
                    if (objectification > 0) {
                        jg.writeFieldName(term.getProperty("uri").toString());
                    }
                    if (objectification > 1) {
                        if (associatedDataSets.containsKey(term.getId())) {
                            writeJsonNodeObjectifiedObject(jg, term, annotationLabel,
                                    associatedDataSets.get(term.getId()));
                        } else {
                            writeJsonNodeObjectifiedObject(jg, term, annotationLabel);
                        }
                    } else {
                        if (associatedDataSets.containsKey(term.getId())) {
                            writeJsonNodeObject(jg, term, annotationLabel,
                                    associatedDataSets.get(term.getId()));
                        } else {
                            writeJsonNodeObject(jg, term, annotationLabel);
                        }
                    }
                }
                tx.success();
            }

            if (objectification > 0) {
                jg.writeEndObject();
            } else {
                jg.writeEndArray();
            }
            jg.writeEndObject();
            jg.flush();
            jg.close();
        }
    };

    return Response.ok().entity(stream).type(MediaType.APPLICATION_JSON).build();
}

---

From source file:org.solmix.datax.wmix.serializer.DataServiceInfoSerializer.java

/**
 * {@inheritDoc}/*ww w . j  a va2s  .  c  om*/
 * 
 * @see com.fasterxml.jackson.databind.JsonSerializer#serialize(java.lang.Object, com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)
 */
@Override
public void serialize(DataServiceInfo value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    jgen.writeStartObject();
    jgen.writeStringField("ID", value.getId());
    //        jgen.writeStringField("recordXPath", "/data");
    jgen.writeStringField("dataFormat", "json");
    jgen.writeBooleanField("clientOnly", false);
    List<FieldInfo> fields = value.getFields();
    if (DataUtils.isNotNullAndEmpty(fields)) {
        jgen.writeFieldName("fields");
        jgen.writeStartArray();

        for (FieldInfo f : fields) {
            jgen.writeObject(convertFiledToMap(f));

        }
        jgen.writeEndArray();
    }
    Collection<OperationInfo> operations = value.getOperations();
    if (operations != null) {
        Iterator<OperationInfo> it = operations.iterator();
        jgen.writeFieldName("operationBindings");
        jgen.writeStartArray();
        while (it.hasNext()) {
            OperationInfo oi = it.next();
            jgen.writeStartObject();
            jgen.writeStringField("operationType", oi.getType().value());
            jgen.writeStringField("operationId", oi.getId());
            jgen.writeEndObject();
        }
        jgen.writeEndArray();
    }
    jgen.writeEndObject();
}

---

From source file:models.ReferenceSerializer.java

@Override
public void serialize(Reference reference, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();//from ww  w. j av a  2  s  .  co  m
    jgen.writeStringField("id", reference.getId());
    jgen.writeStringField("date", reference.getDate());
    jgen.writeStringField("publisher", reference.getPublisher());
    jgen.writeStringField("shortName", reference.getShortName());
    jgen.writeStringField("source", reference.getSource());
    jgen.writeStringField("title", reference.getTitle());
    jgen.writeStringField("url", reference.getURL());
    jgen.writeStringField("creator", reference.getCreator());
    jgen.writeFieldName("groups");
    jgen.writeStartArray();
    for (Group group : reference.getGroups()) {
        writeSimplifiedGroup(group, jgen);
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
}

---

From source file:TDS.Shared.Messages.MessageJson.java

private void writeMessageElement(Message message, JsonGenerator jsonWriter)
        throws JsonGenerationException, IOException {
    // {"id":10884,
    // "m":"Global.Path.Help",
    // "t_a":[{"t":"..\/Projects\/Oregon\/Help\/help.html",
    // "l":"ENU"}]
    // }//  ww w  .  j a  v  a 2  s. co  m
    jsonWriter.writeStartObject(); // {
    jsonWriter.writeNumberField("id", message.getMessageId());
    jsonWriter.writeStringField("m", message.getMessageKey());

    jsonWriter.writeFieldName("t_a"); // "t_a":
    jsonWriter.writeStartArray(); // [

    List<MessageTranslation> translations;

    // if there is no language specified they get all translations
    if (StringUtils.isEmpty(_language)) {
        translations = message.getTranslations();
    } else {
        // if a language is provided then find the best language and only
        // include that
        MessageTranslation defaultTranslation = message.getTranslation(_language, _subject, _grade);
        translations = new ArrayList<MessageTranslation>();
        translations.add(defaultTranslation);
    }

    for (MessageTranslation translation : translations) {
        writeTranslationElement(translation, jsonWriter);
    }

    jsonWriter.writeEndArray(); // ]
    jsonWriter.writeEndObject(); // }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• »