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.googlecode.jmxtrans.model.output.SensuWriter.java

private void serialize(Server server, Query query, List<Result> results, OutputStream outputStream)
        throws IOException {
    JsonGenerator g = jsonFactory.createGenerator(outputStream, JsonEncoding.UTF8);
    g.useDefaultPrettyPrinter();// w  w w .j  a  v a2 s .  co  m
    g.writeStartObject();
    g.writeStringField("name", "jmxtrans");
    g.writeStringField("type", "metric");
    g.writeStringField("handler", handler);

    StringBuilder jsonoutput = new StringBuilder();
    List<String> typeNames = getTypeNames();
    for (Result result : results) {
        for (Map.Entry<String, Object> values : result.getValues().entrySet()) {
            if (isNumeric(values.getValue())) {
                Object value = values.getValue();
                jsonoutput.append(KeyUtils.getKeyString(server, query, result, values, typeNames, null))
                        .append(" ").append(value).append(" ")
                        .append(TimeUnit.SECONDS.convert(result.getEpoch(), TimeUnit.MILLISECONDS))
                        .append(System.getProperty("line.separator"));
            }
        }
    }
    g.writeStringField("output", jsonoutput.toString());
    g.writeEndObject();
    g.flush();
    g.close();
}

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

@Override
public void serialize(ResultObject response, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    if (response.isDSResponse()) {
        jgen.writeStartObject();
        jgen.writeFieldName(RESPONSE);/*from  w w  w  . j a  v a  2s .  com*/
        serialize((DSResponse) response.getReal(), jgen, provider);
        jgen.writeEndObject();
    } else if (response.isDSResponseList()) {
        List<DSResponse> res = (List<DSResponse>) response.getReal();
        jgen.writeStartObject();
        jgen.writeArrayFieldStart(RESPONSES);
        for (DSResponse re : res) {
            serialize(re, jgen, provider);
        }
        jgen.writeEndArray();
        jgen.writeEndObject();

    } else {
        jgen.writeObject(response.getReal());
    }

}

From source file:com.predic8.membrane.core.transport.http.AbstractHttpHandler.java

private Response generateErrorResponse(Exception e) {
    String msg;// ww  w. j  a  v a 2 s.c o m
    boolean printStackTrace = transport.isPrintStackTrace();
    if (printStackTrace) {
        StringWriter sw = new StringWriter();
        e.printStackTrace(new PrintWriter(sw));
        msg = sw.toString();
    } else {
        msg = e.toString();
    }
    String comment = "Stack traces can be " + (printStackTrace ? "dis" : "en") + "abled by setting the "
            + "@printStackTrace attribute on <a href=\"http://membrane-soa.org/esb-doc/current/configuration/reference/transport.htm\">transport</a>. "
            + "More details might be found in the log.";

    Response error = null;
    ResponseBuilder b = null;
    if (e instanceof URISyntaxException)
        b = Response.badRequest();
    if (b == null)
        b = Response.internalServerError();
    switch (ContentTypeDetector.detect(exchange.getRequest()).getEffectiveContentType()) {
    case XML:
        error = b.header(HttpUtil.createHeaders(MimeType.TEXT_XML_UTF8))
                .body(("<error><message>" + StringEscapeUtils.escapeXml(msg) + "</message><comment>"
                        + StringEscapeUtils.escapeXml(comment) + "</comment></error>")
                                .getBytes(Constants.UTF_8_CHARSET))
                .build();
        break;
    case JSON:
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try {
            JsonGenerator jg = new JsonFactory().createGenerator(baos);
            jg.writeStartObject();
            jg.writeFieldName("error");
            jg.writeString(msg);
            jg.writeFieldName("comment");
            jg.writeString(comment);
            jg.close();
        } catch (Exception f) {
            log.error("Error generating JSON error response", f);
        }

        error = b.header(HttpUtil.createHeaders(MimeType.APPLICATION_JSON_UTF8)).body(baos.toByteArray())
                .build();
        break;
    case SOAP:
        error = b.header(HttpUtil.createHeaders(MimeType.TEXT_XML_UTF8))
                .body(HttpUtil.getFaultSOAPBody("Internal Server Error", msg + " " + comment)
                        .getBytes(Constants.UTF_8_CHARSET))
                .build();
        break;
    case UNKNOWN:
        error = HttpUtil.setHTMLErrorResponse(b, msg, comment);
        break;
    }
    return error;
}

From source file:com.strategicgains.hyperexpress.serialization.jackson.HalResourceSerializer.java

@Override
public void serialize(HalResource resource, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    jgen.writeStartObject();
    renderJson(resource, jgen, false);/*www. j ava2  s.  c  om*/
    jgen.writeEndObject();
}

From source file:org.springframework.data.elasticsearch.core.DefaultResultMapper.java

private String buildJSONFromFields(Collection<SearchHitField> values) {
    JsonFactory nodeFactory = new JsonFactory();
    try {//from  ww w  .  ja  v a 2  s  . c  om
        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        JsonGenerator generator = nodeFactory.createGenerator(stream, JsonEncoding.UTF8);
        generator.writeStartObject();
        for (SearchHitField value : values) {
            if (value.getValues().size() > 1) {
                generator.writeArrayFieldStart(value.getName());
                for (Object val : value.getValues()) {
                    generator.writeObject(val);
                }
                generator.writeEndArray();
            } else {
                generator.writeObjectField(value.getName(), value.getValue());
            }
        }
        generator.writeEndObject();
        generator.flush();
        return new String(stream.toByteArray(), Charset.forName("UTF-8"));
    } catch (IOException e) {
        return null;
    }
}

From source file:com.sdl.odata.renderer.json.writer.JsonPropertyWriter.java

private void writeAllProperties(final Object data, StructuredType type, final JsonGenerator generator)
        throws IOException, ODataRenderException {
    generator.writeStartObject();
    visitProperties(getEntityDataModel(), type, property -> {
        try {//from   w w  w.ja va 2 s  .c  o m
            if (!(property instanceof NavigationProperty)) {
                handleProperty(data, property, generator);
            }
        } catch (IllegalAccessException | IOException | ODataException e) {
            throw new ODataRenderException("Error while writing property: " + property.getName(), e);
        }
    });
    generator.writeEndObject();
}

From source file:com.spotify.apollo.meta.TypesafeConfigSerializer.java

@Override
public void serialize(ConfigValue value, JsonGenerator jgen, SerializerProvider provider) throws IOException {

    if (value.valueType() == ConfigValueType.OBJECT) {
        final ConfigObject object = (ConfigObject) value;

        jgen.writeStartObject();
        for (Map.Entry<String, ConfigValue> valueEntry : object.entrySet()) {
            if (withOrigins) {
                final ConfigOrigin origin = valueEntry.getValue().origin();
                jgen.writeStringField(valueEntry.getKey() + "__origin",
                        origin.description() + (origin.filename() != null ? ", " + origin.filename() : ""));
            }/*ww  w . j  av  a2  s  . c  om*/
            jgen.writeObjectField(valueEntry.getKey(), valueEntry.getValue());
        }
        jgen.writeEndObject();
    } else if (value.valueType() == ConfigValueType.LIST) {
        final ConfigList list = (ConfigList) value;

        jgen.writeStartArray();
        for (ConfigValue configValue : list) {
            jgen.writeObject(configValue);
        }
        jgen.writeEndArray();
    } else {
        jgen.writeObject(value.unwrapped());
    }
}

From source file:org.pentaho.metaverse.impl.model.kettle.json.AbstractMetaJsonSerializer.java

@Override
public void serialize(T meta, JsonGenerator json, SerializerProvider serializerProvider)
        throws IOException, JsonGenerationException {

    json.writeStartObject();
    json.writeStringField(IInfo.JSON_PROPERTY_CLASS, meta.getClass().getName());
    json.writeStringField(IInfo.JSON_PROPERTY_NAME, meta.getName());
    json.writeStringField(IInfo.JSON_PROPERTY_DESCRIPTION, meta.getDescription());
    json.writeObjectField(JSON_PROPERTY_CREATED_DATE, meta.getCreatedDate());
    json.writeObjectField(JSON_PROPERTY_LAST_MODIFIED_DATE, meta.getModifiedDate());
    json.writeStringField(JSON_PROPERTY_CREATED_BY, meta.getCreatedUser());
    json.writeStringField(JSON_PROPERTY_LAST_MODIFIED_BY, meta.getModifiedUser());
    json.writeStringField(JSON_PROPERTY_PATH, meta.getFilename());
    if (meta.getRepository() != null) {
        json.writeStringField(JSON_PROPERTY_REPOSITORY, meta.getRepository().getName());
    }//from ww w.j a v  a  2 s . c o m

    serializeParameters(meta, json);
    serializeVariables(meta, json);
    serializeSteps(meta, json);
    serializeConnections(meta, json);
    serializeHops(meta, json);

    json.writeEndObject();
}

From source file:net.solarnetwork.node.upload.bulkjsonwebpost.InstructionSerializer.java

@Override
public void serialize(Instruction instruction, JsonGenerator generator, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    if (instruction.getTopic() == null || instruction.getStatus() == null) {
        return;//from ww w. j av a2 s .  c  o m
    }
    generator.writeStartObject();
    generator.writeStringField("__type__", "InstructionStatus");
    if (instruction.getId() != null) {
        generator.writeStringField("id", instruction.getId().toString());
    }
    generator.writeStringField("instructionId", instruction.getRemoteInstructionId());
    generator.writeStringField("topic", instruction.getTopic());
    generator.writeStringField("status", instruction.getStatus().getInstructionState().toString());
    generator.writeEndObject();
}

From source file:com.netflix.discovery.converters.jackson.InstanceInfoJsonBeanSerializer.java

@Override
protected void serializeFields(Object bean, JsonGenerator jgen0, SerializerProvider provider)
        throws IOException {
    super.serializeFields(bean, jgen0, provider);
    InstanceInfo instanceInfo = (InstanceInfo) bean;

    jgen0.writeFieldName("port");
    jgen0.writeStartObject();
    jgen0.writeNumberField("$", instanceInfo.getPort());
    jgen0.writeStringField("@enabled", Boolean.toString(instanceInfo.isPortEnabled(PortType.UNSECURE)));
    jgen0.writeEndObject();/* ww  w . ja va2s . c om*/

    jgen0.writeFieldName("securePort");
    jgen0.writeStartObject();
    jgen0.writeNumberField("$", instanceInfo.getSecurePort());
    jgen0.writeStringField("@enabled", Boolean.toString(instanceInfo.isPortEnabled(PortType.SECURE)));
    jgen0.writeEndObject();
}