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

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

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Introduction

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

Prototype

public abstract void writeObject(Object pojo) throws IOException, JsonProcessingException;

Source Link

Document

Method for writing given Java object (POJO) as Json.

Usage

From source file:org.killbill.billing.plugin.meter.api.user.DebugJsonSamplesOutputer.java

@Override
protected void writeJsonForChunks(final JsonGenerator generator,
        final Collection<? extends TimelineChunk> chunksForSourceAndMetric) throws IOException {
    for (final TimelineChunk chunk : chunksForSourceAndMetric) {
        if (withBinaryData) {
            writer.writeValue(generator, new TimelineChunkDecoded(chunk, sampleCoder));
        } else {//from  ww w  .ja v a 2s  .  c o m
            final String source = timelineDao.getSource(chunk.getSourceId(), context);
            final CategoryRecordIdAndMetric categoryIdAndMetric = timelineDao
                    .getCategoryIdAndMetric(chunk.getMetricId(), context);
            final String category = timelineDao.getEventCategory(categoryIdAndMetric.getEventCategoryId(),
                    context);
            final String metric = categoryIdAndMetric.getMetric();
            final String samples = CSVConsumer.getSamplesAsCSV(sampleCoder, chunk);

            // Don't write out empty samples
            if (!Strings.isNullOrEmpty(samples)) {
                generator.writeObject(new SamplesForMetricAndSource(source, category, metric, samples));
            }
        }
    }
}

From source file:org.killbill.billing.plugin.meter.api.user.DecimatingJsonSamplesOutputer.java

@Override
protected void writeJsonForChunks(final JsonGenerator generator,
        final Collection<? extends TimelineChunk> chunksForSourceAndMetric) throws IOException {
    for (final TimelineChunk chunk : chunksForSourceAndMetric) {
        final String source = timelineDao.getSource(chunk.getSourceId(), context);
        final CategoryRecordIdAndMetric categoryIdAndMetric = timelineDao
                .getCategoryIdAndMetric(chunk.getMetricId(), context);
        final String eventCategory = timelineDao.getEventCategory(categoryIdAndMetric.getEventCategoryId(),
                context);//www.  j av a2  s. c  o  m
        final String metric = categoryIdAndMetric.getMetric();
        final TimeRangeSampleProcessor filter = filters.get(chunk.getSourceId()).get(chunk.getMetricId());

        final String samples = filter == null ? CSVConsumer.getSamplesAsCSV(sampleCoder, chunk)
                : CSVConsumer.getSamplesAsCSV(sampleCoder, chunk, filter);

        // Don't write out empty samples
        if (!Strings.isNullOrEmpty(samples)) {
            generator.writeObject(new SamplesForMetricAndSource(source, eventCategory, metric, samples));
        }
    }
}

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

@Override
protected void serializeSteps(JobMeta meta, JsonGenerator json) throws IOException {
    json.writeArrayFieldStart(JSON_PROPERTY_STEPS);
    int numberOfEntries = meta.nrJobEntries();
    for (int i = 0; i < numberOfEntries; i++) {
        JobEntryCopy jobEntry = meta.getJobEntry(i);
        LineageRepository repo = getLineageRepository();
        ObjectId jobId = meta.getObjectId() == null ? new StringObjectId(meta.getName()) : meta.getObjectId();
        ObjectId entryId = jobEntry.getObjectId() == null ? new StringObjectId(jobEntry.getName())
                : jobEntry.getObjectId();

        JobEntryInterface jobEntryInterface = jobEntry.getEntry();
        JobEntryBase jobEntryBase = getJobEntryBase(jobEntryInterface);
        Job job = new Job(null, meta);
        jobEntryBase.setParentJob(job);/*from  w w w .java  2  s. c  o  m*/
        jobEntryInterface.setObjectId(entryId);
        try {
            jobEntryInterface.saveRep(repo, null, jobId);
        } catch (KettleException e) {
            LOGGER.warn(Messages.getString("INFO.Serialization.Trans.Step", jobEntry.getName()), e);
        }
        json.writeObject(jobEntryBase);
    }
    json.writeEndArray();
}

From source file:io.gravitee.definition.jackson.datatype.api.ser.ApiSerializer.java

@Override
public void serialize(Api api, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();/*w  w  w . ja  v a  2s. c  o m*/
    jgen.writeStringField("id", api.getId());
    jgen.writeStringField("name", api.getName());
    jgen.writeObjectField("version", api.getVersion());

    if (api.getProxy() != null) {
        jgen.writeObjectField("proxy", api.getProxy());
    }

    if (api.getPaths() != null) {
        jgen.writeObjectFieldStart("paths");
        api.getPaths().forEach((s, path) -> {
            try {
                jgen.writeObjectField(s, path);
            } catch (IOException e) {
                e.printStackTrace();
            }
        });

        jgen.writeEndObject();
    }

    if (api.getServices() != null && !api.getServices().isEmpty()) {
        jgen.writeObjectField("services", api.getServices());
    }

    if (api.getResources() != null && !api.getResources().isEmpty()) {
        jgen.writeArrayFieldStart("resources");
        for (Resource resource : api.getResources()) {
            jgen.writeObject(resource);
        }
        jgen.writeEndArray();
    }

    if (api.getProperties() != null) {
        jgen.writeObjectFieldStart("properties");
        api.getProperties().forEach((s, property) -> {
            try {
                jgen.writeObjectField(s, property);
            } catch (IOException e) {
                e.printStackTrace();
            }
        });

        jgen.writeEndObject();
    }

    if (api.getTags() != null && !api.getTags().isEmpty()) {
        jgen.writeArrayFieldStart("tags");
        api.getTags().forEach(tag -> {
            try {
                jgen.writeObject(tag);
            } catch (IOException e) {
                e.printStackTrace();
            }
        });
        jgen.writeEndArray();
    }

    jgen.writeEndObject();
}

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

protected void writeExternalResources(T meta, JsonGenerator json, SerializerProvider serializerProvider)
        throws IOException, JsonGenerationException {
    Set<Class<?>> metaClassSet = new HashSet<Class<?>>(1);
    metaClassSet.add(meta.getClass());/*  w w w  . j a va2 s. c  o  m*/
    IStepExternalResourceConsumerProvider stepExternalResourceConsumerProvider = getStepExternalResourceConsumerProvider();

    List<IStepExternalResourceConsumer> resourceConsumers = null;
    if (stepExternalResourceConsumerProvider != null) {
        resourceConsumers = stepExternalResourceConsumerProvider.getExternalResourceConsumers(metaClassSet);
    }

    json.writeArrayFieldStart(JSON_PROPERTY_EXTERNAL_RESOURCES);
    if (resourceConsumers != null) {
        for (IStepExternalResourceConsumer resourceConsumer : resourceConsumers) {

            Collection<IExternalResourceInfo> infos = resourceConsumer.getResourcesFromMeta(meta);
            for (IExternalResourceInfo info : infos) {
                json.writeObject(info);
            }
        }
    }
    json.writeEndArray();
}

From source file:com.basho.riak.client.api.commands.mapreduce.MapReduce.java

/**
 * Creates the JSON string of the M/R job for submitting to the client
 * <p/>//from ww  w.j a va 2  s . co  m
 * Uses Jackson to write out the JSON string. I'm not very happy with this method, it is a candidate for change.
 * <p/>
 * TODO re-evaluate this method, look for something smaller and more elegant.
 *
 * @return a String of JSON
 * @throws RiakException if, for some reason, we can't create a JSON string.
 */
String writeSpec() throws RiakException {

    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    try {
        JsonGenerator jg = new JsonFactory().createGenerator(out, JsonEncoding.UTF8);

        ObjectMapper objectMapper = new ObjectMapper();
        SimpleModule specModule = new SimpleModule("SpecModule", Version.unknownVersion());
        specModule.addSerializer(LinkPhase.class, new LinkPhaseSerializer());
        specModule.addSerializer(FunctionPhase.class, new FunctionPhaseSerializer());
        specModule.addSerializer(BucketInput.class, new BucketInputSerializer());
        specModule.addSerializer(SearchInput.class, new SearchInputSerializer());
        specModule.addSerializer(BucketKeyInput.class, new BucketKeyInputSerializer());
        specModule.addSerializer(IndexInput.class, new IndexInputSerializer());
        objectMapper.registerModule(specModule);

        jg.setCodec(objectMapper);

        List<MapReducePhase> phases = spec.getPhases();
        phases.get(phases.size() - 1).setKeep(true);
        jg.writeObject(spec);

        jg.flush();

        return out.toString("UTF8");

    } catch (IOException e) {
        throw new RiakException(e);
    }
}

From source file:org.gvnix.web.json.BindingResultSerializer.java

/**
 * {@inheritDoc}/*from w w w. ja v  a2 s.c om*/
 */
@Override
public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {

    try {
        // Cast to BindingResult
        BindingResult result = (BindingResult) value;

        // Create the result map
        Map<String, Object> allErrorsMessages = new HashMap<String, Object>();

        // Get field errors
        List<FieldError> fieldErrors = result.getFieldErrors();
        if (fieldErrors.isEmpty()) {
            // Nothing to do
            jgen.writeNull();
            return;
        }

        // Check if target type is an array or a bean
        @SuppressWarnings("rawtypes")
        Class targetClass = result.getTarget().getClass();
        if (targetClass.isArray() || Collection.class.isAssignableFrom(targetClass)) {
            loadListErrors(result.getFieldErrors(), allErrorsMessages);
        } else {
            loadObjectErrors(result.getFieldErrors(), allErrorsMessages);
        }

        jgen.writeObject(allErrorsMessages);
    } catch (JsonProcessingException e) {
        LOGGER.warn(ERROR_WRITTING_BINDING, e);
        throw e;
    } catch (IOException e) {
        LOGGER.warn(ERROR_WRITTING_BINDING, e);
        throw e;
    } catch (Exception e) {
        LOGGER.warn(ERROR_WRITTING_BINDING, e);
        throw new IOException(ERROR_WRITTING_BINDING, e);
    }

}

From source file:com.zenesis.qx.remote.ProxyMethod.java

@Override
public void serialize(JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    jgen.writeStartObject();/*w ww  . ja va 2s  .c o m*/

    // Write the return type
    Class clazz = arrayType != null ? arrayType : method.getReturnType();
    if (Proxied.class.isAssignableFrom(clazz)) {
        ProxyType type = ProxyTypeManager.INSTANCE.getProxyType(clazz);
        jgen.writeObjectField("returnType", type);
    } else if (isMap) {
        jgen.writeBooleanField("map", true);
    }
    if (cacheResult)
        jgen.writeBooleanField("cacheResult", true);
    if (staticMethod)
        jgen.writeBooleanField("staticMethod", true);

    // Whether to wrap the return
    if (array != null)
        jgen.writeObjectField("returnArray", array.toString().toLowerCase());

    // The parameters - if any are Proxied objects, we need to write their class
    Class[] parameters = method.getParameterTypes();
    if (parameters.length > 0) {
        jgen.writeArrayFieldStart("parameters");
        for (int i = 0; i < parameters.length; i++) {
            if (Proxied.class.isAssignableFrom(parameters[i]))
                jgen.writeObject(ProxyTypeManager.INSTANCE.getProxyType(parameters[i]));
            else
                jgen.writeNull();
        }
        jgen.writeEndArray();
    }

    jgen.writeEndObject();
}