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

Introduction

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

Prototype

public abstract void writeStartObject() throws IOException, JsonGenerationException;

Source Link

Document

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

Usage

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

/**
 * {@inheritDoc}//ww w  .j  av a 2 s.  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:org.eclipse.winery.common.json.TTopologyTemplateSerializer.java

/**
 * Does NOT wrap the result into an object. Assumes that the current
 * position at jgen is in an object/*from  w w  w  . j ava 2s . c o  m*/
 *
 * @param value the list of entity templates to serialize
 */
public void serialize(List<TEntityTemplate> value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException {
    List<TRelationshipTemplate> relationshipTemplates = new ArrayList<>();

    jgen.writeFieldName("nodeTemplates");
    jgen.writeStartObject();
    for (TEntityTemplate template : value) {
        if (template instanceof TNodeTemplate) {
            // write out as <id> : <default serialization>
            jgen.writeFieldName(template.getId());
            provider.defaultSerializeValue(template, jgen);

        } else {
            assert (template instanceof TRelationshipTemplate);
            relationshipTemplates.add((TRelationshipTemplate) template);
        }
    }
    jgen.writeEndObject();

    jgen.writeFieldName("relationshipTemplates");
    jgen.writeStartObject();
    for (TRelationshipTemplate template : relationshipTemplates) {
        // write out as <id> : <default serialization>
        jgen.writeFieldName(template.getId());
        provider.defaultSerializeValue(template, jgen);
    }
    jgen.writeEndObject();
}

---

From source file:com.baasbox.configuration.PropertiesConfigurationHelper.java

public static String dumpConfigurationSectionAsFlatJson(String section) {
    Class en = CONFIGURATION_SECTIONS.get(section);
    try {//from  www . j  a  va  2s .  co  m
        JsonFactory jfactory = new JsonFactory();
        StringWriter sw = new StringWriter();
        String enumDescription = "";
        JsonGenerator gen = jfactory.createJsonGenerator(sw);
        gen.writeStartArray();
        EnumSet values = EnumSet.allOf(en);
        for (Object v : values) {
            String key = (String) (en.getMethod("getKey")).invoke(v);

            boolean isVisible = (Boolean) (en.getMethod("isVisible")).invoke(v);
            String valueAsString;
            if (isVisible)
                valueAsString = (String) (en.getMethod("getValueAsString")).invoke(v);
            else
                valueAsString = "--HIDDEN--";
            boolean isEditable = (Boolean) (en.getMethod("isEditable")).invoke(v);
            boolean isOverridden = (Boolean) (en.getMethod("isOverridden")).invoke(v);
            String valueDescription = (String) (en.getMethod("getValueDescription")).invoke(v);
            Class type = (Class) en.getMethod("getType").invoke(v);

            gen.writeStartObject(); //               {
            gen.writeStringField("key", key);
            gen.writeStringField("value", valueAsString);
            gen.writeStringField("description", valueDescription); //                  ,"description":"description"
            gen.writeStringField("type", type.getSimpleName()); //                  ,"type":"type"
            gen.writeBooleanField("editable", isEditable);
            gen.writeBooleanField("overridden", isOverridden);
            gen.writeEndObject(); //               }
        }
        if (gen.getOutputContext().inArray())
            gen.writeEndArray(); //            ]
        gen.close();
        return sw.toString();
    } catch (Exception e) {
        BaasBoxLogger.error("Cannot generate a json for " + en.getSimpleName()
                + " Enum. Is it an Enum that implements the IProperties interface?", e);
    }
    return "{}";
}

---

From source file:com.ntsync.shared.RawContact.java

private static void writeAddress(StringBuilder hashValue, JsonGenerator g, List<RawAddressData> list)
        throws IOException {
    if (list != null) {
        g.writeArrayFieldStart(ContactConstants.STRUCTUREDPOSTAL);
        for (RawAddressData listItem : list) {
            g.writeStartObject();
            g.writeStringField(ContactConstants.TYPE, String.valueOf(listItem.getType().getVal()));
            writeField(g, ContactConstants.LABEL, listItem.getLabel());

            writeField(g, ContactConstants.STREET, listItem.getStreet());
            writeField(g, ContactConstants.POBOX, listItem.getPobox());
            writeField(g, ContactConstants.POSTCODE, listItem.getPostcode());
            writeField(g, ContactConstants.COUNTRY, listItem.getCountry());
            writeField(g, ContactConstants.CITY, listItem.getCity());
            writeField(g, ContactConstants.REGION, listItem.getRegion());
            writeField(g, ContactConstants.NEIGHBORHOOD, listItem.getNeighborhood());

            if (listItem.isSuperPrimary()) {
                g.writeBooleanField(ContactConstants.SUPERPRIMARY, true);
            }//  w  w  w  . ja va  2  s.  c o  m
            if (listItem.isPrimary()) {
                g.writeBooleanField(ContactConstants.PRIMARY, true);
            }
            g.writeEndObject();

            hashValue.append(listItem.getStreet());
            hashValue.append(':');
            hashValue.append(listItem.getType().getVal());
        }
        g.writeEndArray();
    }
}

---

From source file:com.attribyte.essem.es.BooleanQuery.java

public void generate(final JsonGenerator generator) throws IOException {

    if (isEmpty()) {
        return; //Write nothing...there's no constraint.
    }//from  w  w  w.  j a  va  2  s  .  c  o m

    generator.writeStartObject();
    {
        generator.writeObjectFieldStart("bool");
        {
            if (mustTerms.size() > 0) {
                generator.writeArrayFieldStart("must");
                for (QueryComponent query : mustTerms) {
                    query.generate(generator);
                }
                generator.writeEndArray();
            }

            if (mustNotTerms.size() > 0) {
                generator.writeArrayFieldStart("must_not");
                for (QueryComponent query : mustNotTerms) {
                    query.generate(generator);
                }
                generator.writeEndArray();
            }

            if (shouldTerms.size() > 0) {
                generator.writeArrayFieldStart("should");
                for (QueryComponent query : shouldTerms) {
                    query.generate(generator);
                }
                generator.writeEndArray();
            }
        }
        generator.writeEndObject();
    }
    generator.writeEndObject();

}

---

From source file:com.cloudera.exhibit.server.json.ExhibitSerializer.java

@Override
public void serialize(Exhibit exhibit, JsonGenerator gen, SerializerProvider provider) throws IOException {
    ExhibitDescriptor desc = exhibit.descriptor();
    // start object
    gen.writeStartObject();

    // Write attrs
    gen.writeObjectFieldStart("attrs");
    serializeObs(exhibit.attributes(), exhibit.attributes().descriptor(), gen);
    gen.writeEndObject();//from  w w  w  .  j a  va2s.  co m

    // Write frame column names
    gen.writeObjectFieldStart("columns");
    for (Map.Entry<String, ObsDescriptor> fd : desc.frames().entrySet()) {
        gen.writeArrayFieldStart(fd.getKey());
        for (ObsDescriptor.Field f : fd.getValue()) {
            // TODO: type info?
            gen.writeString(f.name);
        }
        gen.writeEndArray();
    }
    gen.writeEndObject();

    // Write frame obs
    gen.writeObjectFieldStart("frames");
    for (Map.Entry<String, ObsDescriptor> fd : desc.frames().entrySet()) {
        gen.writeArrayFieldStart(fd.getKey());
        ObsDescriptor od = fd.getValue();
        for (Obs obs : exhibit.frames().get(fd.getKey())) {
            gen.writeStartArray();
            serializeObsArray(obs, fd.getValue(), gen);
            gen.writeEndArray();
        }
        gen.writeEndArray();
    }
    gen.writeEndObject();

    // finish object
    gen.writeEndObject();
}

---

From source file:org.springframework.data.couchbase.core.convert.translation.JacksonTranslationService.java

/**
 * Recursively iterates through the sources and adds it to the JSON generator.
 *
 * @param source the source document/*www. jav a 2  s.  c o m*/
 * @param generator the JSON generator.
 *
 * @throws IOException
 */
private void encodeRecursive(final CouchbaseStorable source, final JsonGenerator generator) throws IOException {
    generator.writeStartObject();

    for (Map.Entry<String, Object> entry : ((CouchbaseDocument) source).export().entrySet()) {
        String key = entry.getKey();
        Object value = entry.getValue();
        generator.writeFieldName(key);
        if (value instanceof CouchbaseDocument) {
            encodeRecursive((CouchbaseDocument) value, generator);
            continue;
        }

        final Class<?> clazz = value.getClass();

        if (simpleTypeHolder.isSimpleType(clazz) && !isEnumOrClass(clazz)) {
            generator.writeObject(value);
        } else {
            objectMapper.writeValue(generator, value);
        }

    }

    generator.writeEndObject();
}

---

From source file:com.ntsync.shared.RawContact.java

private static void writeList(StringBuilder hashValue, JsonGenerator g, String key,
        List<? extends IListRawData<?>> list, boolean hashRel) throws IOException {
    if (list != null) {
        g.writeArrayFieldStart(key);//from  w w  w.  ja  va  2s.c  om
        for (IListRawData<?> listItem : list) {
            g.writeStartObject();
            writeField(g, ContactConstants.DATA, listItem.getData());
            g.writeStringField(ContactConstants.TYPE, String.valueOf(listItem.getType().getVal()));
            writeField(g, ContactConstants.LABEL, listItem.getLabel());
            if (listItem.isSuperPrimary()) {
                g.writeBooleanField(ContactConstants.SUPERPRIMARY, true);
            }
            if (listItem.isPrimary()) {
                g.writeBooleanField(ContactConstants.PRIMARY, true);
            }
            g.writeEndObject();

            if (hashRel) {
                hashValue.append(listItem.getData());
                hashValue.append(':');
                hashValue.append(listItem.getType().getVal());
            }
        }
        g.writeEndArray();
    }
}

---

From source file:com.strategicgains.hyperexpress.serialization.siren.jackson.SirenResourceSerializer.java

@Override
public void serialize(SirenResource resource, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    jgen.writeStartObject();
    renderJson(resource, jgen);//from  w w w.j a va2 s .com
    jgen.writeEndObject();
}

---

From source file:com.viridiansoftware.metrics.elasticsearch.ElasticsearchReporter.java

private void reportCounter(String index, long timestamp, String name, Counter counter) throws IOException {
    StringWriter writer = new StringWriter();
    JsonGenerator jsonGenerator = jsonFactory.createGenerator(writer);
    jsonGenerator.writeStartObject();
    jsonGenerator.writeNumberField(timestampFieldName, timestamp);
    jsonGenerator.writeStringField("@name", prefixMetricName(name));
    jsonGenerator.writeNumberField("count", counter.getCount());
    jsonGenerator.writeEndObject();//from  w ww  .j  a v  a2 s .co  m
    jsonGenerator.flush();
    addReportToBulkRequest(index, MetricElasticsearchTypes.COUNTER, writer.toString());
}

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