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

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

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Introduction

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

Prototype

public final void writeArrayFieldStart(String fieldName) throws IOException, JsonGenerationException

Source Link

Document

Convenience method for outputting a field entry ("member") (that will contain a JSON Array value), and the START_ARRAY marker.

Usage

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

protected void writeDataFields(Data data, JsonGenerator gen) throws IOException {
    if (data.hasId()) {
        gen.writeStringField("id", data.getId());
    }// w w w . j ava2 s  .  c  om
    if (data.hasName()) {
        gen.writeStringField("name", data.getName());
    }
    if (data.getSegmentCount() != 0) {
        gen.writeArrayFieldStart("segment");
        for (Segment segment : data.getSegmentList()) {
            writeSegment(segment, gen);
        }
        gen.writeEndArray();
    }
}

From source file:com.msopentech.odatajclient.engine.data.json.DOMTreeUtilsV3.java

/**
 * Serializes DOM content as JSON.// w ww.  j  a  v a 2 s .co  m
 *
 * @param client OData client.
 * @param jgen JSON generator.
 * @param content content.
 * @param propType whether to output type information in the way needed for property values or not.
 * @throws IOException in case of write error.
 */
public static void writeSubtree(final ODataClient client, final JsonGenerator jgen, final Node content,
        final boolean propType) throws IOException {

    for (Node child : XMLUtils.getChildNodes(content, Node.ELEMENT_NODE)) {
        final String childName = XMLUtils.getSimpleName(child);

        final Node typeAttr = child.getAttributes().getNamedItem(ODataConstants.ATTR_M_TYPE);
        if (typeAttr != null && EdmSimpleType.isGeospatial(typeAttr.getTextContent())) {
            jgen.writeStringField(
                    propType ? ODataConstants.JSON_TYPE : childName + "@" + ODataConstants.JSON_TYPE,
                    typeAttr.getTextContent());

            jgen.writeObjectFieldStart(childName);
            GeospatialJSONHandler.serialize(jgen, (Element) child, typeAttr.getTextContent());
            jgen.writeEndObject();
        } else if (XMLUtils.hasOnlyTextChildNodes(child)) {
            if (child.hasChildNodes()) {
                final String out;
                if (typeAttr == null) {
                    out = child.getChildNodes().item(0).getNodeValue();
                } else {
                    final EdmSimpleType type = EdmSimpleType.fromValue(typeAttr.getTextContent());
                    final ODataPrimitiveValue value = client.getPrimitiveValueBuilder().setType(type)
                            .setText(child.getChildNodes().item(0).getNodeValue()).build();
                    out = value.toString();

                    jgen.writeStringField(childName + "@" + ODataConstants.JSON_TYPE, type.toString());
                }
                jgen.writeStringField(childName, out);
            } else {
                if (child.getAttributes().getNamedItem(ODataConstants.ATTR_NULL) == null) {
                    if (typeAttr != null && EdmSimpleType.String.toString().equals(typeAttr.getTextContent())) {
                        jgen.writeStringField(childName + "@" + ODataConstants.JSON_TYPE,
                                typeAttr.getTextContent());
                        jgen.writeStringField(childName, StringUtils.EMPTY);
                    } else {
                        jgen.writeArrayFieldStart(childName);
                        jgen.writeEndArray();
                    }
                } else {
                    jgen.writeNullField(childName);
                }
            }
        } else {
            if (XMLUtils.hasElementsChildNode(child)) {
                jgen.writeArrayFieldStart(childName);

                for (Node nephew : XMLUtils.getChildNodes(child, Node.ELEMENT_NODE)) {
                    if (XMLUtils.hasOnlyTextChildNodes(nephew)) {
                        jgen.writeString(nephew.getChildNodes().item(0).getNodeValue());
                    } else {
                        jgen.writeStartObject();
                        DOMTreeUtils.writeSubtree(client, jgen, nephew);
                        jgen.writeEndObject();
                    }
                }

                jgen.writeEndArray();
            } else {
                jgen.writeObjectFieldStart(childName);
                if (typeAttr != null) {
                    jgen.writeStringField(ODataConstants.JSON_TYPE, typeAttr.getTextContent());
                }

                DOMTreeUtils.writeSubtree(client, jgen, child);

                jgen.writeEndObject();
            }
        }
    }
}

From source file:com.msopentech.odatajclient.engine.data.json.DOMTreeUtils.java

/**
 * Serializes DOM content as JSON.// w  w  w .j  a v a2s .  c  o m
 *
 * @param jgen JSON generator.
 * @param content content.
 * @param propType whether to output type information in the way needed for property values or not.
 * @throws IOException in case of write error.
 */
public static void writeSubtree(final JsonGenerator jgen, final Node content, final boolean propType)
        throws IOException {

    for (Node child : XMLUtils.getChildNodes(content, Node.ELEMENT_NODE)) {
        final String childName = XMLUtils.getSimpleName(child);

        final Node typeAttr = child.getAttributes().getNamedItem(ODataConstants.ATTR_M_TYPE);
        if (typeAttr != null && EdmSimpleType.isGeospatial(typeAttr.getTextContent())) {
            jgen.writeStringField(
                    propType ? ODataConstants.JSON_TYPE : childName + "@" + ODataConstants.JSON_TYPE,
                    typeAttr.getTextContent());

            jgen.writeObjectFieldStart(childName);
            GeospatialJSONHandler.serialize(jgen, (Element) child, typeAttr.getTextContent());
            jgen.writeEndObject();
        } else if (XMLUtils.hasOnlyTextChildNodes(child)) {
            if (child.hasChildNodes()) {
                final String out;
                if (typeAttr == null) {
                    out = child.getChildNodes().item(0).getNodeValue();
                } else {
                    final EdmSimpleType type = EdmSimpleType.fromValue(typeAttr.getTextContent());
                    final ODataPrimitiveValue value = new ODataPrimitiveValue.Builder().setType(type)
                            .setText(child.getChildNodes().item(0).getNodeValue()).build();
                    out = value.toString();

                    jgen.writeStringField(childName + "@" + ODataConstants.JSON_TYPE, type.toString());
                }
                jgen.writeStringField(childName, out);
            } else {
                if (child.getAttributes().getNamedItem(ODataConstants.ATTR_NULL) == null) {
                    if (typeAttr != null && EdmSimpleType.String.toString().equals(typeAttr.getTextContent())) {
                        jgen.writeStringField(childName + "@" + ODataConstants.JSON_TYPE,
                                typeAttr.getTextContent());
                        jgen.writeStringField(childName, StringUtils.EMPTY);
                    } else {
                        jgen.writeArrayFieldStart(childName);
                        jgen.writeEndArray();
                    }
                } else {
                    jgen.writeNullField(childName);
                }
            }
        } else {
            if (XMLUtils.hasElementsChildNode(child)) {
                jgen.writeArrayFieldStart(childName);

                for (Node nephew : XMLUtils.getChildNodes(child, Node.ELEMENT_NODE)) {
                    if (XMLUtils.hasOnlyTextChildNodes(nephew)) {
                        jgen.writeString(nephew.getChildNodes().item(0).getNodeValue());
                    } else {
                        jgen.writeStartObject();
                        writeSubtree(jgen, nephew);
                        jgen.writeEndObject();
                    }
                }

                jgen.writeEndArray();
            } else {
                jgen.writeObjectFieldStart(childName);
                if (typeAttr != null) {
                    jgen.writeStringField(ODataConstants.JSON_TYPE, typeAttr.getTextContent());
                }

                writeSubtree(jgen, child);

                jgen.writeEndObject();
            }
        }
    }
}

From source file:org.apache.olingo.client.core.serialization.JsonEntitySetSerializer.java

protected void doContainerSerialize(final ResWrap<EntityCollection> container, final JsonGenerator jgen)
        throws IOException, EdmPrimitiveTypeException {

    final EntityCollection entitySet = container.getPayload();

    jgen.writeStartObject();//www  .  ja v a2s .c o m

    if (serverMode) {
        if (container.getContextURL() != null) {
            jgen.writeStringField(Constants.JSON_CONTEXT, container.getContextURL().toASCIIString());
        }

        if (StringUtils.isNotBlank(container.getMetadataETag())) {
            jgen.writeStringField(Constants.JSON_METADATA_ETAG, container.getMetadataETag());
        }
    }

    if (entitySet.getId() != null) {
        jgen.writeStringField(Constants.JSON_ID, entitySet.getId().toASCIIString());
    }
    jgen.writeNumberField(Constants.JSON_COUNT,
            entitySet.getCount() == null ? entitySet.getEntities().size() : entitySet.getCount());
    if (serverMode) {
        if (entitySet.getNext() != null) {
            jgen.writeStringField(Constants.JSON_NEXT_LINK, entitySet.getNext().toASCIIString());
        }
        if (entitySet.getDeltaLink() != null) {
            jgen.writeStringField(Constants.JSON_DELTA_LINK, entitySet.getDeltaLink().toASCIIString());
        }
    }

    for (Annotation annotation : entitySet.getAnnotations()) {
        valuable(jgen, annotation, "@" + annotation.getTerm());
    }

    jgen.writeArrayFieldStart(Constants.VALUE);
    final JsonEntitySerializer entitySerializer = new JsonEntitySerializer(serverMode, contentType);
    for (Entity entity : entitySet.getEntities()) {
        entitySerializer.doSerialize(entity, jgen);
    }
    jgen.writeEndArray();

    jgen.writeEndObject();
}

From source file:com.msopentech.odatajclient.engine.data.impl.JSONDOMTreeUtils.java

/**
 * Serializes DOM content as JSON./*from  w w  w  .j  av  a  2 s  .  co m*/
 *
 * @param client OData client.
 * @param jgen JSON generator.
 * @param content content.
 * @param propType whether to output type information in the way needed for property values or not.
 * @throws IOException in case of write error.
 */
public static void writeSubtree(final ODataClient client, final JsonGenerator jgen, final Node content,
        final boolean propType) throws IOException {

    for (Node child : XMLUtils.getChildNodes(content, Node.ELEMENT_NODE)) {
        final String childName = XMLUtils.getSimpleName(child);

        final Node typeAttr = child.getAttributes().getNamedItem(ODataConstants.ATTR_M_TYPE);
        if (typeAttr != null && EdmSimpleType.isGeospatial(typeAttr.getTextContent())) {
            jgen.writeStringField(
                    propType ? ODataConstants.JSON_TYPE : childName + "@" + ODataConstants.JSON_TYPE,
                    typeAttr.getTextContent());

            jgen.writeObjectFieldStart(childName);
            GeospatialJSONHandler.serialize(client, jgen, (Element) child, typeAttr.getTextContent());
            jgen.writeEndObject();
        } else if (XMLUtils.hasOnlyTextChildNodes(child)) {
            if (child.hasChildNodes()) {
                final String out;
                if (typeAttr == null) {
                    out = child.getChildNodes().item(0).getNodeValue();
                } else {
                    final EdmSimpleType type = EdmSimpleType.fromValue(typeAttr.getTextContent());
                    final ODataPrimitiveValue value = client.getPrimitiveValueBuilder().setType(type)
                            .setText(child.getChildNodes().item(0).getNodeValue()).build();
                    out = value.toString();

                    jgen.writeStringField(childName + "@" + ODataConstants.JSON_TYPE, type.toString());
                }
                jgen.writeStringField(childName, out);
            } else {
                if (child.getAttributes().getNamedItem(ODataConstants.ATTR_NULL) == null) {
                    if (typeAttr != null && EdmSimpleType.String.toString().equals(typeAttr.getTextContent())) {
                        jgen.writeStringField(childName + "@" + ODataConstants.JSON_TYPE,
                                typeAttr.getTextContent());
                        jgen.writeStringField(childName, StringUtils.EMPTY);
                    } else {
                        jgen.writeArrayFieldStart(childName);
                        jgen.writeEndArray();
                    }
                } else {
                    jgen.writeNullField(childName);
                }
            }
        } else {
            if (XMLUtils.hasElementsChildNode(child)) {
                jgen.writeArrayFieldStart(childName);

                for (Node nephew : XMLUtils.getChildNodes(child, Node.ELEMENT_NODE)) {
                    if (XMLUtils.hasOnlyTextChildNodes(nephew)) {
                        jgen.writeString(nephew.getChildNodes().item(0).getNodeValue());
                    } else {
                        jgen.writeStartObject();
                        writeSubtree(client, jgen, nephew);
                        jgen.writeEndObject();
                    }
                }

                jgen.writeEndArray();
            } else {
                jgen.writeObjectFieldStart(childName);
                if (typeAttr != null) {
                    jgen.writeStringField(ODataConstants.JSON_TYPE, typeAttr.getTextContent());
                }

                writeSubtree(client, jgen, child);

                jgen.writeEndObject();
            }
        }
    }
}

From source file:msearch.filmlisten.MSFilmlisteSchreiben.java

public void filmlisteSchreibenJson(String datei, ListeFilme listeFilme) {
    MSLog.systemMeldung("Filme schreiben (" + listeFilme.size() + " Filme) :");
    File file = new File(datei);
    File dir = new File(file.getParent());
    if (!dir.exists()) {
        if (!dir.mkdirs()) {
            MSLog.fehlerMeldung(915236478, MSLog.FEHLER_ART_PROG,
                    "MSearchIoXmlFilmlisteSchreiben.xmlSchreibenStart",
                    "Kann den Pfad nicht anlegen: " + dir.toString());
        }//from  w  w  w  .j a  v a 2s.  c o m
    }
    MSLog.systemMeldung("   --> Start Schreiben nach: " + datei);
    try {
        String sender = "", thema = "";
        JsonFactory jsonF = new JsonFactory();
        JsonGenerator jg;
        if (datei.endsWith(MSConst.FORMAT_XZ)) {
            LZMA2Options options = new LZMA2Options();
            XZOutputStream out = new XZOutputStream(new FileOutputStream(file), options);
            jg = jsonF.createGenerator(out);
        } else if (datei.endsWith(MSConst.FORMAT_BZ2)) {
            bZip2CompressorOutputStream = new BZip2CompressorOutputStream(new FileOutputStream(file),
                    9 /*Blocksize: 1 - 9*/);
            jg = jsonF.createGenerator(bZip2CompressorOutputStream, JsonEncoding.UTF8);
        } else if (datei.endsWith(MSConst.FORMAT_ZIP)) {
            zipOutputStream = new ZipOutputStream(new FileOutputStream(file));
            ZipEntry entry = new ZipEntry(MSConst.XML_DATEI_FILME);
            zipOutputStream.putNextEntry(entry);
            jg = jsonF.createGenerator(zipOutputStream, JsonEncoding.UTF8);
        } else {
            jg = jsonF.createGenerator(new File(datei), JsonEncoding.UTF8);
        }
        jg.useDefaultPrettyPrinter(); // enable indentation just to make debug/testing easier
        jg.writeStartObject();
        // Infos zur Filmliste
        jg.writeArrayFieldStart(ListeFilme.FILMLISTE);
        for (int i = 0; i < ListeFilme.MAX_ELEM; ++i) {
            jg.writeString(listeFilme.metaDaten[i]);
        }
        jg.writeEndArray();
        // Infos der Felder in der Filmliste
        jg.writeArrayFieldStart(ListeFilme.FILMLISTE);
        for (int i = 0; i < DatenFilm.COLUMN_NAMES_JSON.length; ++i) {
            jg.writeString(DatenFilm.COLUMN_NAMES[DatenFilm.COLUMN_NAMES_JSON[i]]);
        }
        jg.writeEndArray();
        //Filme schreiben
        ListIterator<DatenFilm> iterator;
        DatenFilm datenFilm;
        iterator = listeFilme.listIterator();
        while (iterator.hasNext()) {
            datenFilm = iterator.next();
            jg.writeArrayFieldStart(DatenFilm.FILME_);
            for (int i = 0; i < DatenFilm.COLUMN_NAMES_JSON.length; ++i) {
                int m = DatenFilm.COLUMN_NAMES_JSON[i];
                if (m == DatenFilm.FILM_SENDER_NR) {
                    if (datenFilm.arr[m].equals(sender)) {
                        jg.writeString("");
                    } else {
                        sender = datenFilm.arr[m];
                        jg.writeString(datenFilm.arr[m]);
                    }
                } else if (m == DatenFilm.FILM_THEMA_NR) {
                    if (datenFilm.arr[m].equals(thema)) {
                        jg.writeString("");
                    } else {
                        thema = datenFilm.arr[m];
                        jg.writeString(datenFilm.arr[m]);
                    }
                } else {
                    jg.writeString(datenFilm.arr[m]);
                }
            }
            jg.writeEndArray();
        }
        jg.writeEndObject();
        jg.close();
        MSLog.systemMeldung("   --> geschrieben!");
    } catch (Exception ex) {
        MSLog.fehlerMeldung(846930145, MSLog.FEHLER_ART_PROG, "IoXmlSchreiben.FilmeSchreiben", ex,
                "nach: " + datei);
    }
}

From source file:msearch.io.MSFilmlisteSchreiben.java

public void filmlisteSchreibenJson(String datei, ListeFilme listeFilme) {
    MSLog.systemMeldung("Filme Schreiben (" + listeFilme.size() + " Filme) :");
    File file = new File(datei);
    File dir = new File(file.getParent());
    if (!dir.exists()) {
        if (!dir.mkdirs()) {
            MSLog.fehlerMeldung(915236478, MSLog.FEHLER_ART_PROG,
                    "MSearchIoXmlFilmlisteSchreiben.xmlSchreibenStart",
                    "Kann den Pfad nicht anlegen: " + dir.toString());
        }/* ww w. j  a  va 2 s. c  om*/
    }
    MSLog.systemMeldung("   --> Start Schreiben nach: " + datei);
    try {
        String sender = "", thema = "";
        JsonFactory jsonF = new JsonFactory();
        JsonGenerator jg;
        if (datei.endsWith(MSConst.FORMAT_XZ)) {
            LZMA2Options options = new LZMA2Options();
            XZOutputStream out = new XZOutputStream(new FileOutputStream(file), options);
            jg = jsonF.createGenerator(out);
        } else if (datei.endsWith(MSConst.FORMAT_BZ2)) {
            bZip2CompressorOutputStream = new BZip2CompressorOutputStream(new FileOutputStream(file),
                    9 /*Blocksize: 1 - 9*/);
            jg = jsonF.createGenerator(bZip2CompressorOutputStream, JsonEncoding.UTF8);
        } else if (datei.endsWith(MSConst.FORMAT_ZIP)) {
            zipOutputStream = new ZipOutputStream(new FileOutputStream(file));
            ZipEntry entry = new ZipEntry(MSConst.XML_DATEI_FILME);
            zipOutputStream.putNextEntry(entry);
            jg = jsonF.createGenerator(zipOutputStream, JsonEncoding.UTF8);
        } else {
            jg = jsonF.createGenerator(new File(datei), JsonEncoding.UTF8);
        }
        jg.useDefaultPrettyPrinter(); // enable indentation just to make debug/testing easier
        jg.writeStartObject();
        // Infos zur Filmliste
        jg.writeArrayFieldStart(ListeFilme.FILMLISTE);
        for (int i = 0; i < ListeFilme.MAX_ELEM; ++i) {
            jg.writeString(listeFilme.metaDaten[i]);
        }
        jg.writeEndArray();
        // Infos der Felder in der Filmliste
        jg.writeArrayFieldStart(ListeFilme.FILMLISTE);
        for (int i = 0; i < DatenFilm.COLUMN_NAMES_JSON.length; ++i) {
            jg.writeString(DatenFilm.COLUMN_NAMES[DatenFilm.COLUMN_NAMES_JSON[i]]);
        }
        jg.writeEndArray();
        //Filme schreiben
        ListIterator<DatenFilm> iterator;
        DatenFilm datenFilm;
        iterator = listeFilme.listIterator();
        while (iterator.hasNext()) {
            datenFilm = iterator.next();
            jg.writeArrayFieldStart(DatenFilm.FILME_);
            for (int i = 0; i < DatenFilm.COLUMN_NAMES_JSON.length; ++i) {
                int m = DatenFilm.COLUMN_NAMES_JSON[i];
                if (m == DatenFilm.FILM_SENDER_NR) {
                    if (datenFilm.arr[m].equals(sender)) {
                        jg.writeString("");
                    } else {
                        sender = datenFilm.arr[m];
                        jg.writeString(datenFilm.arr[m]);
                    }
                } else if (m == DatenFilm.FILM_THEMA_NR) {
                    if (datenFilm.arr[m].equals(thema)) {
                        jg.writeString("");
                    } else {
                        thema = datenFilm.arr[m];
                        jg.writeString(datenFilm.arr[m]);
                    }
                } else {
                    jg.writeString(datenFilm.arr[m]);
                }
            }
            jg.writeEndArray();
        }
        jg.writeEndObject();
        jg.close();
        MSLog.systemMeldung("   --> geschrieben!");
    } catch (Exception ex) {
        MSLog.fehlerMeldung(846930145, MSLog.FEHLER_ART_PROG, "IoXmlSchreiben.FilmeSchreiben", ex,
                "nach: " + datei);
    }
}

From source file:org.elasticsearch.client.sniff.ElasticsearchNodesSnifferTests.java

private static SniffResponse buildSniffResponse(ElasticsearchNodesSniffer.Scheme scheme) throws IOException {
    int numNodes = RandomNumbers.randomIntBetween(getRandom(), 1, 5);
    List<Node> nodes = new ArrayList<>(numNodes);
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createGenerator(writer);
    generator.writeStartObject();//from   www  .j av  a 2 s  .  c  o  m
    if (getRandom().nextBoolean()) {
        generator.writeStringField("cluster_name", "elasticsearch");
    }
    if (getRandom().nextBoolean()) {
        generator.writeObjectFieldStart("bogus_object");
        generator.writeEndObject();
    }
    generator.writeObjectFieldStart("nodes");
    for (int i = 0; i < numNodes; i++) {
        String nodeId = RandomStrings.randomAsciiOfLengthBetween(getRandom(), 5, 10);
        String host = "host" + i;
        int port = RandomNumbers.randomIntBetween(getRandom(), 9200, 9299);
        HttpHost publishHost = new HttpHost(host, port, scheme.toString());
        Set<HttpHost> boundHosts = new HashSet<>();
        boundHosts.add(publishHost);

        if (randomBoolean()) {
            int bound = between(1, 5);
            for (int b = 0; b < bound; b++) {
                boundHosts.add(new HttpHost(host + b, port, scheme.toString()));
            }
        }

        int numAttributes = between(0, 5);
        Map<String, List<String>> attributes = new HashMap<>(numAttributes);
        for (int j = 0; j < numAttributes; j++) {
            int numValues = frequently() ? 1 : between(2, 5);
            List<String> values = new ArrayList<>();
            for (int v = 0; v < numValues; v++) {
                values.add(j + "value" + v);
            }
            attributes.put("attr" + j, values);
        }

        Node node = new Node(publishHost, boundHosts, randomAsciiAlphanumOfLength(5),
                randomAsciiAlphanumOfLength(5),
                new Node.Roles(randomBoolean(), randomBoolean(), randomBoolean()), attributes);

        generator.writeObjectFieldStart(nodeId);
        if (getRandom().nextBoolean()) {
            generator.writeObjectFieldStart("bogus_object");
            generator.writeEndObject();
        }
        if (getRandom().nextBoolean()) {
            generator.writeArrayFieldStart("bogus_array");
            generator.writeStartObject();
            generator.writeEndObject();
            generator.writeEndArray();
        }
        boolean isHttpEnabled = rarely() == false;
        if (isHttpEnabled) {
            nodes.add(node);
            generator.writeObjectFieldStart("http");
            generator.writeArrayFieldStart("bound_address");
            for (HttpHost bound : boundHosts) {
                generator.writeString(bound.toHostString());
            }
            generator.writeEndArray();
            if (getRandom().nextBoolean()) {
                generator.writeObjectFieldStart("bogus_object");
                generator.writeEndObject();
            }
            generator.writeStringField("publish_address", publishHost.toHostString());
            if (getRandom().nextBoolean()) {
                generator.writeNumberField("max_content_length_in_bytes", 104857600);
            }
            generator.writeEndObject();
        }

        List<String> roles = Arrays.asList(new String[] { "master", "data", "ingest" });
        Collections.shuffle(roles, getRandom());
        generator.writeArrayFieldStart("roles");
        for (String role : roles) {
            if ("master".equals(role) && node.getRoles().isMasterEligible()) {
                generator.writeString("master");
            }
            if ("data".equals(role) && node.getRoles().isData()) {
                generator.writeString("data");
            }
            if ("ingest".equals(role) && node.getRoles().isIngest()) {
                generator.writeString("ingest");
            }
        }
        generator.writeEndArray();

        generator.writeFieldName("version");
        generator.writeString(node.getVersion());
        generator.writeFieldName("name");
        generator.writeString(node.getName());

        if (numAttributes > 0) {
            generator.writeObjectFieldStart("attributes");
            for (Map.Entry<String, List<String>> entry : attributes.entrySet()) {
                if (entry.getValue().size() == 1) {
                    generator.writeStringField(entry.getKey(), entry.getValue().get(0));
                } else {
                    for (int v = 0; v < entry.getValue().size(); v++) {
                        generator.writeStringField(entry.getKey() + "." + v, entry.getValue().get(v));
                    }
                }
            }
            generator.writeEndObject();
        }
        generator.writeEndObject();
    }
    generator.writeEndObject();
    generator.writeEndObject();
    generator.close();
    return SniffResponse.buildResponse(writer.toString(), nodes);
}

From source file:org.numenta.nupic.algorithms.CLAClassifierSerializer.java

@Override
public void serialize(CLAClassifier cla, JsonGenerator jgen, SerializerProvider arg2)
        throws IOException, JsonProcessingException {

    jgen.writeStartObject();/* ww  w  .  j a v  a2 s .c  o m*/
    jgen.writeNumberField("alpha", cla.alpha);
    jgen.writeNumberField("actValueAlpha", cla.actValueAlpha);
    jgen.writeNumberField("learnIteration", cla.learnIteration);
    jgen.writeNumberField("recordNumMinusLearnIteration", cla.recordNumMinusLearnIteration);
    jgen.writeNumberField("maxBucketIdx", cla.maxBucketIdx);

    StringBuilder sb = new StringBuilder();
    for (int i : cla.steps.toArray()) {
        sb.append(i).append(",");
    }
    sb.setLength(sb.length() - 1);
    jgen.writeStringField("steps", sb.toString());

    sb = new StringBuilder();
    for (Tuple t : cla.patternNZHistory) {
        sb.append(t.get(0)).append("-").append(Arrays.toString((int[]) t.get(1))).append(";");
    }
    sb.setLength(sb.length() - 1);
    jgen.writeStringField("patternNZHistory", sb.toString());

    sb = new StringBuilder();
    for (Tuple t : cla.activeBitHistory.keySet()) {
        sb.append(t.get(0)).append(",").append(t.get(1)).append("-");
        BitHistory bh = cla.activeBitHistory.get(t);
        sb.append(bh.id).append("=").append(bh.stats).append("=").append(bh.lastTotalUpdate).append(";");
    }
    sb.setLength(sb.length() - 1);
    jgen.writeStringField("activeBitHistory", sb.toString());

    jgen.writeArrayFieldStart("actualValues");
    for (Object o : cla.actualValues) {
        jgen.writeObject(o);
    }
    jgen.writeEndArray();
    jgen.writeEndObject();

}

From source file:com.spotify.docker.client.DefaultDockerClient.java

@Override
public List<Image> listImages(ListImagesParam... params) throws DockerException, InterruptedException {
    WebTarget resource = resource().path("images").path("json");

    final Map<String, String> filters = newHashMap();
    for (ListImagesParam param : params) {
        if (param instanceof ListImagesFilterParam) {
            filters.put(param.name(), param.value());
        } else {/*  w  ww.  j a  v a 2s .  c o  m*/
            resource = resource.queryParam(param.name(), param.value());
        }
    }

    // If filters were specified, we must put them in a JSON object and pass them using the
    // 'filters' query param like this: filters={"dangling":["true"]}
    try {
        if (!filters.isEmpty()) {
            final StringWriter writer = new StringWriter();
            final JsonGenerator generator = objectMapper().getFactory().createGenerator(writer);
            generator.writeStartObject();
            for (Map.Entry<String, String> entry : filters.entrySet()) {
                generator.writeArrayFieldStart(entry.getKey());
                generator.writeString(entry.getValue());
                generator.writeEndArray();
            }
            generator.writeEndObject();
            generator.close();
            // We must URL encode the string, otherwise Jersey chokes on the double-quotes in the json.
            final String encoded = URLEncoder.encode(writer.toString(), UTF_8.name());
            resource = resource.queryParam("filters", encoded);
        }
    } catch (IOException e) {
        throw new DockerException(e);
    }

    return request(GET, IMAGE_LIST, resource, resource.request(APPLICATION_JSON_TYPE));
}