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

Introduction

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

Prototype

public abstract void writeEndArray() throws IOException, JsonGenerationException;

Source Link

Document

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

Usage

From source file:org.emfjson.jackson.streaming.StreamWriter.java

public void generate(final JsonGenerator generator, Resource resource) {
    prepare(generator, resource);// w  w w  .j a  va  2s.c  o  m

    final EList<EObject> contents = resource.getContents();

    if (contents.size() == 1) {
        try {
            generate(generator, contents.get(0));
        } catch (IOException e) {
            e.printStackTrace();
        }
    } else {
        try {
            generator.writeStartArray();
            for (final EObject current : contents) {
                generate(generator, current);
            }
            generator.writeEndArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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From source file:com.streamsets.datacollector.http.JMXJsonServlet.java

private void writeObject(JsonGenerator jg, Object value) throws IOException {
    if (value == null) {
        jg.writeNull();//  w ww .j  av  a2s  . c o  m
    } else {
        Class<?> c = value.getClass();
        if (c.isArray()) {
            jg.writeStartArray();
            int len = Array.getLength(value);
            for (int j = 0; j < len; j++) {
                Object item = Array.get(value, j);
                writeObject(jg, item);
            }
            jg.writeEndArray();
        } else if (value instanceof Number) {
            Number n = (Number) value;
            jg.writeNumber(n.toString());
        } else if (value instanceof Boolean) {
            Boolean b = (Boolean) value;
            jg.writeBoolean(b);
        } else if (value instanceof CompositeData) {
            CompositeData cds = (CompositeData) value;
            CompositeType comp = cds.getCompositeType();
            Set<String> keys = comp.keySet();
            jg.writeStartObject();
            for (String key : keys) {
                writeAttribute(jg, key, cds.get(key));
            }
            jg.writeEndObject();
        } else if (value instanceof TabularData) {
            TabularData tds = (TabularData) value;
            jg.writeStartArray();
            for (Object entry : tds.values()) {
                writeObject(jg, entry);
            }
            jg.writeEndArray();
        } else if (value instanceof GaugeValue) {
            ((GaugeValue) value).serialize(jg);
        } else {
            jg.writeString(value.toString());
        }
    }
}

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

protected void writeFields(JsonGenerator json, List<RowMetaInterface> fieldMetaList, String arrayObjectName)
        throws IOException {
    json.writeArrayFieldStart(arrayObjectName);
    for (RowMetaInterface fields : fieldMetaList) {
        List<ValueMetaInterface> valueMetaInterfaces = fields.getValueMetaList();
        for (ValueMetaInterface valueMetaInterface : valueMetaInterfaces) {
            FieldInfo fieldInfo = new FieldInfo(valueMetaInterface);
            json.writeObject(fieldInfo);
        }/*from w  w  w  .ja  v  a 2 s  .com*/
    }
    json.writeEndArray();
}

---

From source file:net.opentsdb.contrib.tsquare.web.view.GraphiteJsonResponseWriter.java

@Override
public void write(final AnnotatedDataPoints annotatedPoints, final ResponseContext context) throws IOException {
    final JsonGenerator jsonGenerator = getJsonGenerator(context);

    jsonGenerator.writeStartObject();/*from w  w w  .j a  v  a2  s.  com*/
    jsonGenerator.writeStringField("target", annotatedPoints.getDataPoints().metricName());

    if (includeAllTags) {
        jsonGenerator.writeArrayFieldStart("tags");
        for (final Map.Entry<String, String> entry : annotatedPoints.getDataPoints().getTags().entrySet()) {
            jsonGenerator.writeStartObject();
            jsonGenerator.writeStringField("key", entry.getKey());
            jsonGenerator.writeStringField("value", entry.getValue());
            jsonGenerator.writeEndObject();
        }
        jsonGenerator.writeEndArray();
    }

    if (includeAggregatedTags) {
        jsonGenerator.writeArrayFieldStart("aggregatedTags");
        for (final String tag : annotatedPoints.getDataPoints().getAggregatedTags()) {
            jsonGenerator.writeString(tag);
        }
        jsonGenerator.writeEndArray();
    }

    if (summarize) {
        final DataPointsAsDoubles doubles = new DataPointsAsDoubles(annotatedPoints.getDataPoints());
        final double aggValue = Aggregators.SUM.runDouble(doubles);
        jsonGenerator.writeNumberField("summarizedValue", aggValue);
    } else {
        jsonGenerator.writeArrayFieldStart("datapoints");

        for (final DataPoint p : annotatedPoints.getDataPoints()) {
            jsonGenerator.writeStartArray();

            if (p.isInteger()) {
                jsonGenerator.writeNumber(p.longValue());
            } else {
                jsonGenerator.writeNumber(p.doubleValue());
            }

            if (isMillisecondResolution()) {
                jsonGenerator.writeNumber(p.timestamp());
            } else {
                jsonGenerator.writeNumber(TimeUnit.MILLISECONDS.toSeconds(p.timestamp()));
            }

            jsonGenerator.writeEndArray();
        }

        jsonGenerator.writeEndArray();
    }

    jsonGenerator.writeEndObject();
}

---

From source file:net.opentsdb.contrib.tsquare.web.controller.ExtendedApiController.java

@RequestMapping(value = "/grep", method = RequestMethod.GET)
public void grep(@RequestParam(required = false, defaultValue = "") String type,
        @RequestParam(required = false, defaultValue = "wildcard") String method,
        @RequestParam(required = true) String q, final HttpServletResponse servletResponse) throws IOException {

    if (log.isInfoEnabled()) {
        log.info("Suggest {} using {} expression: {}", type, method, q);
    }//w ww.ja v  a 2s  .  c  o m

    // Do we have a valid type? Note that an empty "type" is valid.
    if (!Strings.isNullOrEmpty(type)) {
        Preconditions.checkArgument(getTsdbManager().getKnownUidKinds().contains(type), "Unknown type: %s",
                type);
    }

    // We can only query hbase using regex, so convert a wildcard query into
    // a regex if necessary.
    final String regex;
    if ("wildcard".equalsIgnoreCase(method)) {
        regex = TsWebUtils.wildcardToRegex(q);
        log.debug("Converted wildcard expression {} to regex: {}", q, regex);
    } else {
        regex = q;
    }

    final UidQuery query = getTsdbManager().newUidQuery();
    query.setRegex(regex);

    if (Strings.isNullOrEmpty(type)) {
        query.includeAllKinds();
    } else {
        query.includeKind(type);
    }

    servletResponse.setContentType("application/json");
    final OutputStream stream = servletResponse.getOutputStream();
    final JsonGenerator json = new JsonFactory().createJsonGenerator(stream);

    try {
        json.writeStartArray();

        query.run(new QueryCallback<Uid>() {
            @Override
            public boolean onResult(final Uid resultObject) {
                try {
                    json.writeString(resultObject.getName());
                    return true;
                } catch (IOException e) {
                    throw new IllegalArgumentException("Unable to serialize " + resultObject + " to JSON", e);
                }
            }
        });

        json.writeEndArray();
        json.flush();
    } finally {
        Closeables.close(stream, false);
    }
}

---

From source file:com.predic8.membrane.core.interceptor.administration.AdminRESTInterceptor.java

@Mapping("/admin/rest/exchanges/(-?\\d+)/(response|request)/header")
public Response getRequestHeader(QueryParameter params, String relativeRootPath) throws Exception {
    final AbstractExchange exc = router.getExchangeStore().getExchangeById(params.getGroupInt(1));

    if (exc == null) {
        return Response.notFound().build();
    }/*w ww . ja  va2  s.c  o  m*/

    final Message msg = params.getGroup(2).equals("response") ? exc.getResponse() : exc.getRequest();

    if (msg == null) {
        return Response.noContent().build();
    }

    return json(new JSONContent() {
        public void write(JsonGenerator gen) throws Exception {
            gen.writeStartObject();
            gen.writeArrayFieldStart("headers");
            for (HeaderField hf : msg.getHeader().getAllHeaderFields()) {
                gen.writeStartObject();
                gen.writeStringField("name", hf.getHeaderName().toString());
                gen.writeStringField("value", hf.getValue());
                gen.writeEndObject();
            }
            gen.writeEndArray();
            gen.writeEndObject();
        }
    });
}

---

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

@Override
protected void serializeSteps(TransMeta meta, JsonGenerator json) throws IOException {
    json.writeArrayFieldStart(JSON_PROPERTY_STEPS);
    for (StepMeta stepMeta : meta.getSteps()) {
        BaseStepMeta step = getBaseStepMetaFromStepMeta(stepMeta);
        LineageRepository repo = getLineageRepository();
        String id = stepMeta.getObjectId() == null ? stepMeta.getName() : stepMeta.getObjectId().toString();
        ObjectId stepId = new StringObjectId(id);
        try {//  w ww.j av  a  2  s  .  c om
            step.saveRep(repo, null, null, stepId);
        } catch (KettleException e) {
            LOGGER.warn(Messages.getString("INFO.Serialization.Trans.Step", stepMeta.getName()), e);
        }
        json.writeObject(step);
    }
    json.writeEndArray();
}

---

From source file:models.CoefficientSerializer.java

@Override
public void serialize(Coefficient coefficient, JsonGenerator jgen, SerializerProvider provider)
        throws IOException {
    jgen.writeStartObject();/*from w  w  w.  j av a 2 s .c o  m*/
    jgen.writeStringField("id", coefficient.getId());
    jgen.writeFieldName("unit");
    jgen.writeObject(coefficient.getUnit());
    jgen.writeFieldName("keywords");
    jgen.writeObject(coefficient.getKeywords());
    jgen.writeFieldName("value");
    jgen.writeObject(coefficient.getValue());

    jgen.writeFieldName("groups");
    jgen.writeStartArray();
    for (Group group : coefficient.getGroups()) {
        jgen.writeStartObject();
        jgen.writeStringField("id", group.getId());
        jgen.writeStringField("label", group.getLabel());
        jgen.writeEndObject();
    }
    jgen.writeEndArray();

    jgen.writeFieldName("relations");
    jgen.writeStartArray();
    for (DerivedRelation relation : coefficient.getDerivedRelations()) {
        jgen.writeObject(relation);
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
}

---

From source file:models.ReferenceSerializer.java

@Override
public void serialize(Reference reference, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();/* w  ww  .j  a v a2  s  .com*/
    jgen.writeStringField("id", reference.getId());
    jgen.writeStringField("date", reference.getDate());
    jgen.writeStringField("publisher", reference.getPublisher());
    jgen.writeStringField("shortName", reference.getShortName());
    jgen.writeStringField("source", reference.getSource());
    jgen.writeStringField("title", reference.getTitle());
    jgen.writeStringField("url", reference.getURL());
    jgen.writeStringField("creator", reference.getCreator());
    jgen.writeFieldName("groups");
    jgen.writeStartArray();
    for (Group group : reference.getGroups()) {
        writeSimplifiedGroup(group, jgen);
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
}

---

From source file:com.ning.metrics.action.hdfs.reader.HdfsListing.java

@SuppressWarnings({ "unchecked", "unused" })
public void toJson(final OutputStream out, final boolean pretty) throws IOException {
    final String parentPath = getParentPath() == null ? "" : getParentPath();

    final JsonGenerator generator = new JsonFactory().createJsonGenerator(out);
    generator.configure(JsonGenerator.Feature.AUTO_CLOSE_TARGET, false);
    if (pretty) {
        generator.setPrettyPrinter(new DefaultPrettyPrinter());
    }/*from  w  w w.  j a v a  2  s  . c  o  m*/

    generator.writeStartObject();
    generator.writeObjectField(JSON_LISTING_PATH, getPath());
    generator.writeObjectField(JSON_LISTING_PARENT_PATH, parentPath);
    generator.writeArrayFieldStart(JSON_LISTING_ENTRIES);
    // Important: need to flush before appending pre-serialized events
    generator.flush();

    for (HdfsEntry entry : getEntries()) {
        entry.toJson(generator);
    }
    generator.writeEndArray();

    generator.writeEndObject();
    generator.close();
}

---

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