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

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

  1. HOME
  2. Java
  3. com.fasterxml
  4. com.fasterxml.jackson.core.*
  5. JsonGenerator
  6. writeNumber

Introduction

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

Prototype

public abstract void writeNumber(String encodedValue)
        throws IOException, JsonGenerationException, UnsupportedOperationException;

Source Link

Document

Write method that can be used for custom numeric types that can not be (easily?) converted to "standard" Java number types.

Usage

From source file:com.netflix.spectator.tdigest.Json.java

/** Encode the measurement using the generator. */
void encode(Map<String, String> commonTags, TDigestMeasurement m, JsonGenerator gen) throws IOException {
    TDigest digest = m.value();//from   ww w  .  j a  va  2 s .  co  m
    digest.compress();
    ByteBuffer buf = ByteBuffer.allocate(digest.byteSize());
    digest.asBytes(buf);

    gen.writeStartArray();
    gen.writeStartObject();
    gen.writeStringField("name", m.id().name());
    for (Map.Entry<String, String> e : commonTags.entrySet()) {
        gen.writeStringField(e.getKey(), e.getValue());
    }
    for (Tag t : m.id().tags()) {
        gen.writeStringField(t.key(), t.value());
    }
    gen.writeEndObject();
    gen.writeNumber(m.timestamp());
    gen.writeBinary(buf.array());
    gen.writeEndArray();
}

From source file:com.acmemotors.batch.LoaderJobConfiguration.java

@Bean
@StepScope//from  w ww .j  a  v  a 2 s . c o  m
public ItemProcessor<Map<String, Object>, String> processor(
        @Value("#{jobParameters['delay']}") final long delay) {
    return item -> {
        DefaultSerializerProvider provider = new DefaultSerializerProvider.Impl();

        provider.setNullValueSerializer(new JsonSerializer<Object>() {
            @Override
            public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider)
                    throws IOException {
                if (value == null) {
                    jgen.writeString("");
                } else {
                    if (value instanceof String) {
                        jgen.writeString((String) value);
                    } else {
                        if (value instanceof Integer) {
                            jgen.writeNumber((Integer) value);
                        } else {
                            jgen.writeNumber((Double) value);
                        }
                    }
                }
            }
        });

        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializerProvider(provider);

        String processedItem = mapper.writeValueAsString(item);

        Thread.sleep(delay);

        return processedItem;
    };
}

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();/*  ww  w  .j  av a2s  .  co  m*/
    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);
                    }
                    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:eu.project.ttc.models.index.JsonTermIndexIO.java

public static void save(Writer writer, TermIndex termIndex, JsonOptions options) throws IOException {
    JsonFactory jsonFactory = new JsonFactory(); // or, for data binding, org.codehaus.jackson.mapper.MappingJsonFactory 
    //      jsonFactory.configure(f, state)
    JsonGenerator jg = jsonFactory.createGenerator(writer); // or Stream, Reader
    jg.useDefaultPrettyPrinter();//from   ww  w. j a v  a2 s .com

    jg.writeStartObject();

    jg.writeFieldName(METADATA);
    jg.writeStartObject();
    jg.writeFieldName(NAME);
    jg.writeString(termIndex.getName());
    jg.writeFieldName(LANG);
    jg.writeString(termIndex.getLang().getCode());
    if (termIndex.getCorpusId() != null) {
        jg.writeFieldName(CORPUS_ID);
        jg.writeString(termIndex.getCorpusId());
    }

    jg.writeFieldName(OCCURRENCE_STORAGE);
    if (options.isMongoDBOccStore()) {
        jg.writeString(OCCURRENCE_STORAGE_MONGODB);
        jg.writeFieldName(OCCURRENCE_MONGODB_STORE_URI);
        jg.writeString(options.getMongoDBOccStore());
    } else if (options.isEmbeddedOccurrences())
        jg.writeString(OCCURRENCE_STORAGE_EMBEDDED);
    else
        throw new IllegalStateException("Unknown storage mode");

    jg.writeFieldName(NB_WORD_ANNOTATIONS);
    jg.writeNumber(termIndex.getWordAnnotationsNum());
    jg.writeFieldName(NB_SPOTTED_TERMS);
    jg.writeNumber(termIndex.getSpottedTermsNum());

    jg.writeEndObject();

    jg.writeFieldName(INPUT_SOURCES);
    int idCnt = 0;
    Map<String, Integer> inputSources = Maps.newTreeMap();
    for (Document d : termIndex.getDocuments())
        if (!inputSources.containsKey(d.getUrl()))
            inputSources.put(d.getUrl(), ++idCnt);
    jg.writeStartObject();
    for (String uri : inputSources.keySet()) {
        jg.writeFieldName(inputSources.get(uri).toString());
        jg.writeString(uri);
    }
    jg.writeEndObject();

    jg.writeFieldName(WORDS);
    jg.writeStartArray();
    for (Word w : termIndex.getWords()) {
        jg.writeStartObject();
        jg.writeFieldName(LEMMA);
        jg.writeString(w.getLemma());
        jg.writeFieldName(STEM);
        jg.writeString(w.getStem());
        if (w.isCompound()) {
            jg.writeFieldName(COMPOUND_TYPE);
            jg.writeString(w.getCompoundType().name());
            jg.writeFieldName(COMPONENTS);
            jg.writeStartArray();
            for (Component c : w.getComponents()) {
                jg.writeStartObject();
                jg.writeFieldName(LEMMA);
                jg.writeString(c.getLemma());
                jg.writeFieldName(BEGIN);
                jg.writeNumber(c.getBegin());
                jg.writeFieldName(END);
                jg.writeNumber(c.getEnd());
                jg.writeEndObject();
            }
            jg.writeEndArray();
        }

        jg.writeEndObject();
    }
    jg.writeEndArray();

    Set<TermVariation> termVariations = Sets.newHashSet();

    jg.writeFieldName(TERMS);
    jg.writeStartArray();
    for (Term t : termIndex.getTerms()) {
        termVariations.addAll(t.getVariations());

        jg.writeStartObject();
        jg.writeFieldName(ID);
        jg.writeNumber(t.getId());
        jg.writeFieldName(RANK);
        jg.writeNumber(t.getRank());
        jg.writeFieldName(GROUPING_KEY);
        jg.writeString(t.getGroupingKey());
        jg.writeFieldName(WORDS);
        jg.writeStartArray();
        for (TermWord tw : t.getWords()) {
            jg.writeStartObject();
            jg.writeFieldName(SYN);
            jg.writeString(tw.getSyntacticLabel());
            jg.writeFieldName(LEMMA);
            jg.writeString(tw.getWord().getLemma());
            jg.writeEndObject();
        }
        jg.writeEndArray();

        jg.writeFieldName(FREQUENCY);
        jg.writeNumber(t.getFrequency());
        jg.writeFieldName(FREQ_NORM);
        jg.writeNumber(t.getFrequencyNorm());
        jg.writeFieldName(GENERAL_FREQ_NORM);
        jg.writeNumber(t.getGeneralFrequencyNorm());
        jg.writeFieldName(SPECIFICITY);
        jg.writeNumber(t.getSpecificity());
        jg.writeFieldName(SPOTTING_RULE);
        jg.writeString(t.getSpottingRule());

        if (options.withOccurrences() && options.isEmbeddedOccurrences()) {
            jg.writeFieldName(OCCURRENCES);
            jg.writeStartArray();
            for (TermOccurrence termOcc : t.getOccurrences()) {
                jg.writeStartObject();
                jg.writeFieldName(BEGIN);
                jg.writeNumber(termOcc.getBegin());
                jg.writeFieldName(END);
                jg.writeNumber(termOcc.getEnd());
                jg.writeFieldName(TEXT);
                jg.writeString(termOcc.getCoveredText());
                jg.writeFieldName(FILE);
                jg.writeNumber(inputSources.get(termOcc.getSourceDocument().getUrl()));
                jg.writeEndObject();
            }
            jg.writeEndArray();
        }

        if (options.isWithContexts() && t.isContextVectorComputed()) {
            jg.writeFieldName(CONTEXT);
            jg.writeStartObject();

            jg.writeFieldName(TOTAL_COOCCURRENCES);
            jg.writeNumber(t.getContextVector().getTotalCoccurrences());
            jg.writeFieldName(CO_OCCURRENCES);
            jg.writeStartArray();
            if (t.isContextVectorComputed()) {
                for (ContextVector.Entry contextEntry : t.getContextVector().getEntries()) {
                    jg.writeStartObject();
                    jg.writeFieldName(CO_TERM);
                    jg.writeString(contextEntry.getCoTerm().getGroupingKey());
                    jg.writeFieldName(NB_COCCS);
                    jg.writeNumber(contextEntry.getNbCooccs());
                    jg.writeFieldName(ASSOC_RATE);
                    jg.writeNumber(contextEntry.getAssocRate());
                    jg.writeEndObject();
                }
            }
            jg.writeEndArray();
            jg.writeEndObject();
        }

        jg.writeEndObject();
    }
    jg.writeEndArray();

    /* Variants */
    jg.writeFieldName(TERM_VARIATIONS);
    jg.writeStartArray();
    for (TermVariation v : termVariations) {
        jg.writeStartObject();
        jg.writeFieldName(BASE);
        jg.writeString(v.getBase().getGroupingKey());
        jg.writeFieldName(VARIANT);
        jg.writeString(v.getVariant().getGroupingKey());
        jg.writeFieldName(VARIANT_TYPE);
        jg.writeString(v.getVariationType().getShortName());
        jg.writeFieldName(INFO);
        jg.writeString(v.getInfo().toString());
        jg.writeFieldName(VARIANT_SCORE);
        jg.writeNumber(v.getScore());
        jg.writeEndObject();
    }
    jg.writeEndArray();

    jg.writeEndObject();
    jg.close();
}

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

private void writeObject(JsonGenerator jg, Object value) throws IOException {
    if (value == null) {
        jg.writeNull();//from w  w  w. j  av  a  2 s. com
    } 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());
        }
    }
}

From source file:org.neo4j.ontology.server.unmanaged.AnnotationResource.java

private void writeJsonNodeObject(JsonGenerator jg, Node term, Label annotationLabel, List<Long> dataSetsId)
        throws IOException {
    jg.writeStartObject(); // {
    jg.writeStringField("uri", term.getProperty("uri").toString()); // uri: "http://www.w3.org/2002/07/owl#Thing"
    jg.writeStringField("ontId", term.getProperty("name").toString()); // ontId: "OWL:Thing"
    jg.writeStringField("label", term.getProperty("rdfs:label", term.getProperty("name")).toString()); // ontId: "OWL:Thing"
    jg.writeFieldName("dataSets"); // dataSets:
    jg.writeStartArray(); // [
    for (Long dataSetId : dataSetsId) {
        jg.writeNumber(dataSetId); // 123
    }//www.  java2s  . c o  m
    jg.writeEndArray(); // ]
    writeJsonNodeObjectParents(jg, term, annotationLabel);
    jg.writeEndObject(); // }
}

From source file:com.streamsets.datacollector.bundles.content.SdcInfoContentGenerator.java

private void writeObject(JsonGenerator jg, Object value) throws IOException {
    if (value == null) {
        jg.writeNull();/*from   w ww.j av a2  s .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;
            if (value instanceof Double && (((Double) value).isInfinite() || ((Double) value).isNaN())) {
                jg.writeString(n.toString());
            } else {
                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());
        }
    }
}

From source file:com.jxt.web.vo.AgentActiveThreadCountList.java

@Override
public void serialize(AgentActiveThreadCountList agentActiveThreadStatusList, JsonGenerator jgen,
        SerializerProvider provider) throws IOException, JsonProcessingException {
    List<AgentActiveThreadCount> agentActiveThreadRepository = agentActiveThreadStatusList
            .getAgentActiveThreadRepository();

    jgen.writeStartObject();/*from   w w w  . j a  va 2  s  .c  om*/

    for (AgentActiveThreadCount agentActiveThread : agentActiveThreadRepository) {
        jgen.writeFieldName(agentActiveThread.getAgentId());
        jgen.writeStartObject();

        jgen.writeNumberField("code", agentActiveThread.getCode());
        jgen.writeStringField("message", agentActiveThread.getCodeMessage());

        TCmdActiveThreadCountRes activeThreadCount = agentActiveThread.getActiveThreadCount();
        if (activeThreadCount != null) {
            if (activeThreadCount.getActiveThreadCountSize() >= 4) {
                List<Integer> values = activeThreadCount.getActiveThreadCount();

                jgen.writeFieldName("status");
                jgen.writeStartArray();
                jgen.writeNumber(values.get(0));
                jgen.writeNumber(values.get(1));
                jgen.writeNumber(values.get(2));
                jgen.writeNumber(values.get(3));
                jgen.writeEndArray();
            }
        }

        jgen.writeEndObject();
    }

    jgen.writeEndObject();
}

From source file:ijfx.service.overlay.io.OverlaySerializer.java

private void saveLineOverlay(LineOverlay overlay, JsonGenerator jg) throws IOException {

    jg.writeStartObject();//from   www  . ja  va2  s .c om
    jg.writeStringField(JsonOverlayToken.OVERLAY_TYPE, JsonOverlayToken.LINE_OVERLAY);

    Double[] lineStart = Utils.extractArray(overlay::getLineStart, overlay.numDimensions());
    Double[] lineEnd = Utils.extractArray(overlay::getLineEnd, overlay.numDimensions());

    writeNumberArray(jg, JsonOverlayToken.BEGIN, lineStart);
    writeNumberArray(jg, JsonOverlayToken.END, lineEnd);

    ColorRGB fcolor = overlay.getFillColor();
    ColorRGB lcolor = overlay.getLineColor();

    Integer[] fill_color = { fcolor.getRed(), fcolor.getGreen(), fcolor.getBlue() };
    Integer[] line_color = { lcolor.getRed(), lcolor.getGreen(), lcolor.getBlue() };

    double width = overlay.getLineWidth();

    writeNumberArray(jg, JsonOverlayToken.FILL_COLOR, fill_color);
    writeNumberArray(jg, JsonOverlayToken.LINE_COLOR, line_color);

    jg.writeFieldName(JsonOverlayToken.LINE_WIDTH);
    jg.writeNumber(width);

    jg.writeEndObject();

}