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

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

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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:TDS.Shared.Messages.MessageJson.java

public String create(ContextType contextType, List<String> contexts) throws ReturnStatusException {
    MessageContextType messageContextType = null;
    StringWriter sw = new StringWriter();
    JsonFactory jsonFactory = new JsonFactory();
    JsonGenerator jsonWriter;

    try {//from w w  w  .  ja  v a  2s  .  c o m
        if (_messageSystem != null) {
            messageContextType = _messageSystem.getMessageContextType(contextType);
        }

        if (messageContextType == null)
            return "{}";

        jsonWriter = jsonFactory.createGenerator(sw);
        jsonWriter.writeStartObject();
        jsonWriter.writeStringField("c_l", _language); // "c_l": _language
        jsonWriter.writeFieldName("c_a"); // "c_a" :
        jsonWriter.writeStartArray(); // [

        for (String context : contexts) {
            MessageContext messageContext = messageContextType.getContext(context);
            writeContextElement(messageContext, jsonWriter);
        }

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

        jsonWriter.close();
        sw.close();
    } catch (IOException e) {
        ReturnStatus rs = new ReturnStatus("failed", "Serialization failed: " + e.getMessage());
        throw new ReturnStatusException(rs);
    }

    return sw.getBuffer().toString();
}

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

protected <T> void serializeArray(@Nonnull Iterable<? extends T> elements, @Nonnull Class<T> type,
        @Nullable String propertyName, @Nonnull JsonGenerator serializeTo, @Nonnull Version formatVersion)
        throws IOException {
    JacksonSerializer<? super T> serializer = getSerializer(type);
    Version delegateVersion = delegatesMappings.getVersionMappings().resolveVersion(type, formatVersion);

    if (propertyName == null) {
        serializeTo.writeStartArray();
    } else {/*from   w  w  w .  j  a  va2  s . c  o  m*/
        serializeTo.writeArrayFieldStart(propertyName);
    }
    for (T element : elements) {
        if (serializer.isObjectType()) {
            serializeTo.writeStartObject();
        }

        serializer.serialize(serializeTo, element, delegateVersion);

        if (serializer.isObjectType()) {
            serializeTo.writeEndObject();
        }
    }
    serializeTo.writeEndArray();
}

From source file:models.SourceRelationSerializer.java

@Override
public void serialize(SourceRelation relation, JsonGenerator jgen, SerializerProvider provider)
        throws IOException {
    jgen.writeStartObject();//from www  . j a  va2  s. c om
    jgen.writeStringField("id", relation.getId());
    jgen.writeNumberField("exponent", relation.getExponent());

    jgen.writeFieldName("type");
    jgen.writeObject(relation.getType());

    jgen.writeFieldName("source");
    writeSimplifiedGroup(relation.getSource(), jgen);

    jgen.writeFieldName("coeff");
    writeSimplifiedGroup(relation.getCoeff(), jgen);

    jgen.writeFieldName("destination");
    writeSimplifiedGroup(relation.getDestination(), jgen);

    jgen.writeFieldName("derivedRelations");
    jgen.writeStartArray();
    for (DerivedRelation derivedRelation : relation.getDerivedRelations()) {
        jgen.writeObject(derivedRelation);
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
}

From source file:DAO.BestellingDAOJson.java

public void createBestelling(Bestelling bestelling, int klant_id) throws SQLException {
    try {/*from w  w  w .  j  a  v a2s.  c  om*/

        JsonFactory jfactory = new JsonFactory();

        /*** write to file ***/

        JsonGenerator jGenerator = jfactory.createJsonGenerator(
                new FileOutputStream("C:\\Users\\maurice\\Desktop\\Workshoptest.json"), JsonEncoding.UTF8);

        jGenerator.writeStartObject();
        jGenerator.writeNumberField("klantID", bestelling.getKlant_id());
        jGenerator.writeNumberField("bestelID", bestelling.getBestelling_id());
        jGenerator.writeFieldName("ArtikelBestellingArray");
        jGenerator.writeStartArray();
        for (ArtikelBestelling artikel : (ArrayList<ArtikelBestelling>) bestelling.getArtikelBestellingList()) {

            jGenerator.writeStartObject();
            jGenerator.writeNumberField("artikelID", artikel.getArtikelPojo().getArtikelID());
            jGenerator.writeNumberField("artikelAantal", artikel.getAantal_artikelen());
            jGenerator.writeEndObject();
        }
        jGenerator.writeEndArray();
        jGenerator.writeEndObject();
        jGenerator.close();
    } catch (JsonGenerationException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

}

From source file:gov.bnl.channelfinder.ChannelsResource.java

/**
 * GET method for retrieving a collection of Channel instances,
 * based on a multi-parameter query specifiying patterns for tags, property values,
 * and channel names to match against.//from   ww  w .  java 2  s  . c o  m
 *
 * @return HTTP Response
 */
@GET
@Produces({ "application/json" })
public Response query() {
    StringBuffer performance = new StringBuffer();
    long start = System.currentTimeMillis();
    long totalStart = System.currentTimeMillis();
    Client client = ElasticSearchClient.getSearchClient();
    start = System.currentTimeMillis();
    String user = securityContext.getUserPrincipal() != null ? securityContext.getUserPrincipal().getName()
            : "";
    try {
        MultivaluedMap<String, String> parameters = uriInfo.getQueryParameters();
        BoolQueryBuilder qb = boolQuery();
        int size = 10000;
        for (Entry<String, List<String>> parameter : parameters.entrySet()) {
            switch (parameter.getKey()) {
            case "~name":
                for (String value : parameter.getValue()) {
                    DisMaxQueryBuilder nameQuery = disMaxQuery();
                    for (String pattern : value.split("\\|")) {
                        nameQuery.add(wildcardQuery("name", pattern.trim()));
                    }
                    qb.must(nameQuery);
                }
                break;
            case "~tag":
                for (String value : parameter.getValue()) {
                    DisMaxQueryBuilder tagQuery = disMaxQuery();
                    for (String pattern : value.split("\\|")) {
                        tagQuery.add(wildcardQuery("tags.name", pattern.trim()));
                    }
                    qb.must(nestedQuery("tags", tagQuery));
                }
                break;
            case "~size":
                Optional<String> maxSize = parameter.getValue().stream().max((o1, o2) -> {
                    return Integer.valueOf(o1).compareTo(Integer.valueOf(o2));
                });
                if (maxSize.isPresent()) {
                    size = Integer.valueOf(maxSize.get());
                }
            default:
                DisMaxQueryBuilder propertyQuery = disMaxQuery();
                for (String value : parameter.getValue()) {
                    for (String pattern : value.split("\\|")) {
                        propertyQuery.add(nestedQuery("properties",
                                boolQuery().must(matchQuery("properties.name", parameter.getKey().trim()))
                                        .must(wildcardQuery("properties.value", pattern.trim()))));
                    }
                }
                qb.must(propertyQuery);
                break;
            }
        }

        performance.append("|prepare:" + (System.currentTimeMillis() - start));
        start = System.currentTimeMillis();
        final SearchResponse qbResult = client.prepareSearch("channelfinder").setQuery(qb).setSize(size)
                .execute().actionGet();
        performance.append(
                "|query:(" + qbResult.getHits().getTotalHits() + ")" + (System.currentTimeMillis() - start));
        start = System.currentTimeMillis();
        final ObjectMapper mapper = new ObjectMapper();
        mapper.addMixIn(XmlProperty.class, OnlyXmlProperty.class);
        mapper.addMixIn(XmlTag.class, OnlyXmlTag.class);
        start = System.currentTimeMillis();

        StreamingOutput stream = new StreamingOutput() {

            @Override
            public void write(OutputStream os) throws IOException, WebApplicationException {
                JsonGenerator jg = mapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
                jg.writeStartArray();
                if (qbResult != null) {
                    for (SearchHit hit : qbResult.getHits()) {
                        jg.writeObject(mapper.readValue(hit.source(), XmlChannel.class));
                        jg.flush();
                    }
                }
                jg.writeEndArray();
                jg.flush();
                jg.close();
            }
        };

        performance.append("|parse:" + (System.currentTimeMillis() - start));
        Response r = Response.ok(stream).build();
        log.info(user + "|" + uriInfo.getPath() + "|GET|OK" + performance.toString() + "|total:"
                + (System.currentTimeMillis() - totalStart) + "|" + r.getStatus() + "|returns "
                + qbResult.getHits().getTotalHits() + " channels");
        //            log.info( qbResult.getHits().getTotalHits() + " " +(System.currentTimeMillis() - totalStart));
        return r;
    } catch (Exception e) {
        return handleException(user, "GET", Response.Status.INTERNAL_SERVER_ERROR, e);
    } finally {
    }
}

From source file:gov.bnl.channelfinder.PropertiesResource.java

/**
 * GET method for retrieving the list of properties in the database.
 *
 * @return list of properties//from  w  ww  . j a v a 2  s.  c  om
 */
@GET
@Produces({ MediaType.APPLICATION_JSON })
public Response list() {
    Client client = getNewClient();
    final String user = securityContext.getUserPrincipal() != null
            ? securityContext.getUserPrincipal().getName()
            : "";
    final ObjectMapper mapper = new ObjectMapper();
    mapper.addMixIn(XmlProperty.class, OnlyXmlProperty.class);
    try {
        MultivaluedMap<String, String> parameters = uriInfo.getQueryParameters();
        int size = 10000;
        if (parameters.containsKey("~size")) {
            Optional<String> maxSize = parameters.get("~size").stream().max((o1, o2) -> {
                return Integer.valueOf(o1).compareTo(Integer.valueOf(o2));
            });
            if (maxSize.isPresent()) {
                size = Integer.valueOf(maxSize.get());
            }

        }
        final SearchResponse response = client.prepareSearch("properties").setTypes("property")
                .setQuery(new MatchAllQueryBuilder()).setSize(size).execute().actionGet();
        StreamingOutput stream = new StreamingOutput() {
            @Override
            public void write(OutputStream os) throws IOException, WebApplicationException {
                JsonGenerator jg = mapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
                jg.writeStartArray();
                if (response != null) {
                    for (SearchHit hit : response.getHits()) {
                        jg.writeObject(mapper.readValue(hit.source(), XmlProperty.class));
                    }
                }
                jg.writeEndArray();
                jg.flush();
                jg.close();
            }
        };
        Response r = Response.ok(stream).build();
        audit.info(user + "|" + uriInfo.getPath() + "|GET|OK|" + r.getStatus() + "|returns "
                + response.getHits().getTotalHits() + " properties");
        return r;
    } catch (Exception e) {
        return handleException(user, "GET", Response.Status.INTERNAL_SERVER_ERROR, e);
    } finally {
        client.close();
    }
}

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

private void writeJsonNodeObject(JsonGenerator jg, Node term, Label annotationLabel) throws IOException {
    jg.writeStartObject(); // {
    jg.writeStringField("uri", term.getProperty("uri").toString()); // uri: "http://www.w3.org/2002/07/owl#Thing"
    jg.writeStringField("ontId", term.getProperty("name").toString()); // ontId: "OWL:Thing"
    jg.writeStringField("label", term.getProperty("rdfs:label", term.getProperty("name")).toString()); // ontId: "OWL:Thing"
    jg.writeFieldName("dataSets"); // dataSets:
    jg.writeStartArray(); // [
    jg.writeEndArray(); // ]
    writeJsonNodeObjectParents(jg, term, annotationLabel);
    jg.writeEndObject(); // }
}

From source file:models.GroupSerializer.java

@Override
public void serialize(Group group, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();//  w w  w  .ja v a2s .  c  o  m
    jgen.writeStringField("id", group.getId());
    jgen.writeStringField("comment", parseReferencesInComment(group));
    jgen.writeStringField("label", group.getLabel());
    jgen.writeFieldName("unit");
    jgen.writeObject(group.getUnit());
    jgen.writeFieldName("type");
    jgen.writeObject(group.getType());

    jgen.writeFieldName("commonKeywords");
    jgen.writeObject(group.getCommonKeywords());

    jgen.writeFieldName("dimensions");
    jgen.writeStartArray();
    for (Dimension dim : group.getDimSet().dimensions) {
        jgen.writeStartObject();
        jgen.writeFieldName("id");
        jgen.writeObject(dim.getId());
        jgen.writeFieldName("keywords");
        jgen.writeObject(dim.keywords);
        jgen.writeFieldName("keywordsPosition");
        jgen.writeObject(dim.keywordsPosition);
        jgen.writeFieldName("orientation");
        jgen.writeObject(group.getDimSet().getDimensionOrientation(dim));
        jgen.writeEndObject();
    }
    jgen.writeEndArray();

    jgen.writeFieldName("overlap");
    jgen.writeStartArray();
    for (Group otherGroup : group.getOverlappingGroups()) {
        jgen.writeStartObject();
        jgen.writeStringField("id", otherGroup.getId());
        jgen.writeStringField("label", otherGroup.getLabel());
        jgen.writeEndObject();
    }
    jgen.writeEndArray();

    jgen.writeFieldName("references");
    jgen.writeStartArray();
    for (Reference ref : group.getReferences()) {
        jgen.writeObject(ref);
    }
    jgen.writeEndArray();

    jgen.writeFieldName("sourceRelations");
    jgen.writeStartArray();
    for (SourceRelation sourceRelation : group.getSourceRelations()) {
        jgen.writeObject(sourceRelation);
    }
    jgen.writeEndArray();

    jgen.writeFieldName("elementsURI");
    jgen.writeStartObject();
    for (SingleElement element : group.getElements()) {
        jgen.writeStringField(StringUtils.join(element.getKeywords(), "+") + "+" + element.getUnit().getId(),
                element.getId());
    }
    jgen.writeEndObject();

    if (group.getType() == Type.COEFFICIENT) {
        jgen.writeFieldName("elementsValue");
        jgen.writeStartObject();
        for (SingleElement element : group.getElements()) {
            Coefficient coeff = (Coefficient) element;
            jgen.writeFieldName(StringUtils.join(element.getKeywords(), "+") + "+" + element.getUnit().getId());
            jgen.writeStartObject();
            jgen.writeNumberField("value", coeff.getValue().value);
            jgen.writeNumberField("uncertainty", coeff.getValue().uncertainty);
            jgen.writeEndObject();
        }
        jgen.writeEndObject();
    } else {
        jgen.writeFieldName("elementsImpactsAndFlows");
        jgen.writeStartObject();
        for (SingleElement element : group.getElements()) {
            Process process = (Process) element;
            jgen.writeFieldName(StringUtils.join(element.getKeywords(), "+") + "+" + element.getUnit().getId());
            jgen.writeStartObject();
            for (ElementaryFlow flow : process.getCalculatedFlows().values()) {
                jgen.writeFieldName(flow.getType().getId());
                jgen.writeStartObject();
                jgen.writeNumberField("value", flow.getValue().value);
                jgen.writeNumberField("uncertainty", flow.getValue().uncertainty);
                jgen.writeEndObject();
            }
            for (Impact impact : process.getImpacts().values()) {
                jgen.writeFieldName(impact.getType().getId());
                jgen.writeStartObject();
                jgen.writeNumberField("value", impact.getValue().value);
                jgen.writeNumberField("uncertainty", impact.getValue().uncertainty);
                jgen.writeEndObject();
            }
            jgen.writeEndObject();
        }
        jgen.writeEndObject();
    }

    jgen.writeEndObject();
}