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

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

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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:com.microsoft.azure.storage.blob.BlobEncryptionData.java

public String serialize() throws IOException {

    final StringWriter strWriter = new StringWriter();
    JsonGenerator generator = Utility.getJsonGenerator(strWriter);

    try {/*from w ww  .  j av  a 2s  .  c  o m*/
        // start object
        generator.writeStartObject();

        // write the encryption mode
        generator.writeStringField(Constants.EncryptionConstants.ENCRYPTION_MODE,
                Constants.EncryptionConstants.FULL_BLOB);

        // write the encryption data
        this.serialize(generator);

        // end object
        generator.writeEndObject();
    } finally {
        generator.close();
    }

    return strWriter.toString();
}

From source file:net.nullschool.grains.jackson.datatype.GrainSerializer.java

@Override
public void serialize(Grain grain, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();
    serializeEntries(grain, jgen, provider);
    jgen.writeEndObject();//from   ww w.  j  a va  2  s  .  c o  m
}

From source file:piazza.services.ingest.util.GeoJsonSerializer.java

private void writeMultiPolygon(JsonGenerator jgen, MultiPolygon value) throws IOException {
    jgen.writeStartObject();
    jgen.writeStringField("type", "MultiPolygon");
    jgen.writeArrayFieldStart("coordinates");

    for (int i = 0; i != value.getNumGeometries(); ++i) {
        writePolygonCoordinates(jgen, (Polygon) value.getGeometryN(i));
    }//from   w w w  . j a v  a2s  .c om

    jgen.writeEndArray();
    jgen.writeEndObject();
}

From source file:com.unboundid.scim2.common.utils.JsonRefBeanSerializer.java

/**
 * {@inheritDoc}/*from   w ww.  j av a 2s. c o  m*/
 */
@Override
public void serialize(final Object value, final JsonGenerator gen, final SerializerProvider serializers)
        throws IOException {
    Class<?> clazz = value.getClass();
    try {
        gen.writeStartObject();
        Collection<PropertyDescriptor> propertyDescriptors = SchemaUtils.getPropertyDescriptors(clazz);
        for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
            Field field = SchemaUtils.findField(clazz, propertyDescriptor.getName());
            if (field == null) {
                continue;
            }
            field.setAccessible(true);
            Object obj = field.get(value);
            if (obj instanceof JsonReference) {
                JsonReference<?> reference = (JsonReference<?>) obj;
                if (reference.isSet()) {
                    gen.writeFieldName(field.getName());
                    serializers.defaultSerializeValue(reference.getObj(), gen);
                }
            }
        }
        gen.writeEndObject();
    } catch (IntrospectionException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }

}

From source file:org.apache.airavata.db.AbstractThriftSerializer.java

@Override
public void serialize(final T value, final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException {
    jgen.writeStartObject();
    for (final E field : getFieldValues()) {
        if (value.isSet(field)) {
            final Object fieldValue = value.getFieldValue(field);
            if (fieldValue != null) {
                log.debug("Adding field {} to the JSON string...",
                        CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));

                jgen.writeFieldName(CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
                if (fieldValue instanceof Short) {
                    jgen.writeNumber((Short) fieldValue);
                } else if (fieldValue instanceof Integer) {
                    jgen.writeNumber((Integer) fieldValue);
                } else if (fieldValue instanceof Long) {
                    jgen.writeNumber((Long) fieldValue);
                } else if (fieldValue instanceof Double) {
                    jgen.writeNumber((Double) fieldValue);
                } else if (fieldValue instanceof Float) {
                    jgen.writeNumber((Float) fieldValue);
                } else if (fieldValue instanceof Boolean) {
                    jgen.writeBoolean((Boolean) fieldValue);
                } else if (fieldValue instanceof String) {
                    jgen.writeString(fieldValue.toString());
                } else if (fieldValue instanceof Collection) {
                    log.debug("Array opened for field {}.",
                            CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
                    jgen.writeStartArray();
                    for (final Object arrayObject : (Collection<?>) fieldValue) {
                        jgen.writeObject(arrayObject);
                    }//w w w  .  j a v a 2 s.co m
                    jgen.writeEndArray();
                    log.debug("Array closed for field {}.",
                            CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
                } else {
                    jgen.writeObject(fieldValue);
                }
            } else {
                log.debug("Skipping converting field {} to JSON:  value is null!",
                        CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
            }
        } else {
            log.debug("Skipping converting field {} to JSON:  field has not been set!",
                    CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
        }
    }
    jgen.writeEndObject();
}

From source file:com.ibm.ws.lars.rest.FrontPage.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType(MediaType.APPLICATION_JSON);
    resp.setCharacterEncoding(StandardCharsets.UTF_8.name());
    PrintWriter printWriter = resp.getWriter();

    List<AssetFilter> filters = new ArrayList<>();
    filters.add(new AssetFilter("state",
            Arrays.asList(new Condition[] { new Condition(Operation.EQUALS, "published") })));
    int assetCount = serviceLayer.countAllAssets(filters, null);

    JsonGenerator frontPageJsonGenerator = new JsonFactory().createGenerator(printWriter);
    frontPageJsonGenerator.setPrettyPrinter(new DefaultPrettyPrinter());

    frontPageJsonGenerator.writeStartObject();
    frontPageJsonGenerator.writeStringField("serverName", "LARS");
    frontPageJsonGenerator.writeNumberField("assetCount", assetCount);
    frontPageJsonGenerator.writeEndObject();

    frontPageJsonGenerator.flush();/*from ww  w .  ja v a2 s.com*/
    frontPageJsonGenerator.close();
}

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

protected final void writeRepeated(List<T> extList, JsonGenerator gen) throws IOException {
    gen.writeArrayFieldStart(rootName);//from  w  ww.  j ava  2  s . c o m
    for (T ext : extList) {
        if (isJsonObject) {
            gen.writeStartObject();
        }
        write(ext, gen);
        if (isJsonObject) {
            gen.writeEndObject();
        }
    }
    gen.writeEndArray();
}

From source file:piazza.services.ingest.util.GeoJsonSerializer.java

private void writeMultiLineString(JsonGenerator jgen, MultiLineString value) throws IOException {
    jgen.writeStartObject();
    jgen.writeStringField("type", "MultiLineString");
    jgen.writeArrayFieldStart("coordinates");

    for (int i = 0; i != value.getNumGeometries(); ++i) {
        writeLineStringCoords(jgen, (LineString) value.getGeometryN(i));
    }/*w ww.  j a v  a  2  s.  c  o  m*/

    jgen.writeEndArray();
    jgen.writeEndObject();
}

From source file:io.debezium.document.JacksonWriter.java

protected void writeDocument(Document document, JsonGenerator generator) throws IOException {
    generator.writeStartObject();
    try {//w ww .j a va 2  s.c o  m
        document.stream().forEach((field) -> {
            try {
                generator.writeFieldName(field.getName().toString());
                writeValue(field.getValue(), generator);
            } catch (IOException e) {
                throw new WritingError(e);
            }
        });
        generator.writeEndObject();
    } catch (WritingError e) {
        throw e.wrapped();
    }
}

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

public void serialize(DSResponse response, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {

    jgen.writeStartObject();
    Status status = response.getStatus();
    jgen.writeNumberField(STATUS, status.value());
    jgen.writeBooleanField(ISDSRESPONSE, true);
    if (status == Status.STATUS_LOGIN_REQUIRED) {
        jgen.writeObjectField(AUTH, DATAX.LOGIN_REQUIRED_MARKER);
    } else if (status == Status.STATUS_LOGIN_SUCCESS) {
        jgen.writeObjectField(AUTH, DATAX.LOGIN_SUCCESS_MARKER);
    } else if (status == Status.STATUS_MAX_LOGIN_ATTEMPTS_EXCEEDED) {
        jgen.writeObjectField(AUTH, DATAX.MAX_LOGIN_ATTEMPTS_EXCEEDED_MARKER);
    } else {/*from   w  ww.  j  av a  2s .co  m*/
        if (response.getAffectedRows() != null) {
            jgen.writeNumberField(AFFECTED_ROWS, response.getAffectedRows());
        }
        Object invalidate = response.getAttribute(Constants.INVALIDATE_CACHE);
        Pageable page = response.getAttachment(Pageable.class);
        if (invalidate != null) {
            jgen.writeBooleanField(INVALIDATE_CACHE, Boolean.valueOf(invalidate.toString()));
        }
        if (page != null) {
            jgen.writeNumberField(START_ROW, page.getStartRow());
            jgen.writeNumberField(END_ROW, page.getEndRow());
            jgen.writeNumberField(TOTAL_ROWS, page.getTotalRow());
        }
        Object o = response.getRawData();
        if (o != null) {
            jgen.writeObjectField(DATA, o);
        }
        Object[] errors = response.getErrors();
        if (errors != null && errors.length > 0) {
            jgen.writeObjectField(ERRORS, errors);
        }
    }
    jgen.writeEndObject();

}