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

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

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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.eclipse.winery.repository.resources.entitytypes.relationshiptypes.VisualAppearanceResource.java

@GET
@RestDoc(methodDescription = "@return JSON object to be used at jsPlumb.registerConnectionType('NAME', <data>)")
@Produces(MediaType.APPLICATION_JSON)//from www.  j  ava2s.c  o  m
public Response getConnectionTypeForJsPlumbData() {
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter sw = new StringWriter();
    try {
        JsonGenerator jg = jsonFactory.createGenerator(sw);
        jg.writeStartObject();

        jg.writeFieldName("connector");
        jg.writeString("Flowchart");

        jg.writeFieldName("paintStyle");
        jg.writeStartObject();
        jg.writeFieldName("lineWidth");
        jg.writeNumber(this.getLineWidth());
        jg.writeFieldName("strokeStyle");
        jg.writeObject(this.getColor());
        String dash = this.getDash();
        if (!StringUtils.isEmpty(dash)) {
            String dashStyle = null;
            switch (dash) {
            case "dotted":
                dashStyle = "1 5";
                break;
            case "dotted2":
                dashStyle = "3 4";
                break;
            case "plain":
                // default works
                // otherwise, "1 0" can be used
                break;
            }
            if (dashStyle != null) {
                jg.writeStringField("dashstyle", dashStyle);
            }
        }
        jg.writeEndObject();

        jg.writeFieldName("hoverPaintStyle");
        jg.writeStartObject();
        jg.writeFieldName("strokeStyle");
        jg.writeObject(this.getHoverColor());
        jg.writeEndObject();

        // BEGIN: Overlays

        jg.writeFieldName("overlays");
        jg.writeStartArray();

        // source arrow head
        String head = this.getSourceArrowHead();
        if (!head.equals("none")) {
            jg.writeStartArray();
            jg.writeString(head);

            jg.writeStartObject();

            jg.writeFieldName("location");
            jg.writeNumber(0);

            // arrow should point towards the node and not away from it
            jg.writeFieldName("direction");
            jg.writeNumber(-1);

            jg.writeFieldName("width");
            jg.writeNumber(20);

            jg.writeFieldName("length");
            jg.writeNumber(12);

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

        // target arrow head
        head = this.getTargetArrowHead();
        if (!head.equals("none")) {
            jg.writeStartArray();
            jg.writeString(head);
            jg.writeStartObject();
            jg.writeFieldName("location");
            jg.writeNumber(1);
            jg.writeFieldName("width");
            jg.writeNumber(20);
            jg.writeFieldName("length");
            jg.writeNumber(12);
            jg.writeEndObject();
            jg.writeEndArray();
        }

        // Type in brackets on the arrow
        jg.writeStartArray();
        jg.writeString("Label");
        jg.writeStartObject();
        jg.writeStringField("id", "label");
        //jg.writeStringField("label", "(" + ((RelationshipTypeResource) this.res).getName() + ")");
        jg.writeStringField("label", "");
        jg.writeStringField("cssClass", "relationshipTypeLabel");
        jg.writeFieldName("location");
        jg.writeNumber(0.5);
        jg.writeEndObject();
        jg.writeEndArray();

        jg.writeEndArray();

        // END: Overlays

        jg.writeEndObject();

        jg.close();
    } catch (Exception e) {
        VisualAppearanceResource.logger.error(e.getMessage(), e);
        return Response.status(Status.INTERNAL_SERVER_ERROR).entity(e).build();
    }
    String res = sw.toString();
    return Response.ok(res).build();
}

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();/*  ww w .  j  a v  a  2  s.c  o  m*/

    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:org.bedework.carddav.vcard.Card.java

/**
 * @param indent true for pretty//from   w w w .j  a  v a  2s.  c  o  m
 * @param version V4 or V3
 * @return String json value
 * @throws WebdavException
 */
public String outputJson(final boolean indent, final String version) throws WebdavException {
    if (jsonStrForm != null) {
        return jsonStrForm;
    }

    final StringWriter sw = new StringWriter();

    try {
        final JsonGenerator jgen = jsonFactory.createJsonGenerator(sw);

        if (indent) {
            jgen.useDefaultPrettyPrinter();
        }

        jgen.writeStartArray(); // for vcard

        jgen.writeString("vcard");
        jgen.writeStartArray(); // Array of properties

        /* Version should come before anything else. */
        boolean version4 = false;

        if (version != null) {
            version4 = version.equals("4.0");
        } else {
            final Version v = (Version) vcard.getProperty(Property.Id.VERSION);

            if (v != null) {
                version4 = v.equals(Version.VERSION_4_0);
            }
        }

        final Property pversion;

        if (version4) {
            pversion = Version.VERSION_4_0;
        } else {
            pversion = new Version("3.0");
        }

        JsonProperty.addFields(jgen, pversion);

        final Set<String> pnames = VcardDefs.getPropertyNames();

        /* Output known properties first */

        for (final String pname : pnames) {
            if ("VERSION".equals(pname)) {
                continue;
            }

            final List<Property> props = findProperties(pname);

            if (!props.isEmpty()) {
                for (final Property p : props) {
                    JsonProperty.addFields(jgen, p);
                }
            }
        }

        /* Now output any extra unknown properties */

        final List<Property> props = vcard.getProperties();

        if (props != null) {
            for (final Property p : props) {
                if (!pnames.contains(p.getId().toString())) {
                    JsonProperty.addFields(jgen, p);
                }
            }
        }

        jgen.writeEndArray(); // End event properties

        jgen.writeEndArray(); // for vcard

        jgen.flush();
    } catch (final WebdavException wde) {
        throw wde;
    } catch (final Throwable t) {
        throw new WebdavException(t);
    }

    jsonStrForm = sw.toString();

    return jsonStrForm;
}

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

@GET
@Produces(MediaType.APPLICATION_JSON)//from  ww w.  j ava  2s .  c o m
@Path("/{userName}")
public Response getAnnotationSets(final @PathParam("userName") String userName,
        final @DefaultValue("0") @QueryParam("objectification") int objectification) {
    StreamingOutput stream = new StreamingOutput() {
        @Override
        public void write(OutputStream os) throws IOException, WebApplicationException {
            Map<Long, List<Long>> associatedDataSets = new HashMap<>();
            Label annotationLabel = DynamicLabel.label("AnnotationSets" + capitalize(userName));

            JsonGenerator jg = objectMapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
            jg.writeStartObject();
            jg.writeFieldName("nodes");

            if (objectification > 0) {
                jg.writeStartObject();
            } else {
                jg.writeStartArray();
            }

            try (Transaction tx = graphDb.beginTx();
                    ResourceIterator<Node> users = graphDb.findNodes(USER, "name", userName)) {
                if (users.hasNext()) {
                    getDirectAnnotationTerms(getAccessibleDataSets(users.next()), associatedDataSets);
                }
                tx.success();
            }

            try (Transaction tx = graphDb.beginTx();
                    ResourceIterator<Node> terms = graphDb.findNodes(annotationLabel)) {
                while (terms.hasNext()) {
                    Node term = terms.next();
                    if (objectification > 0) {
                        jg.writeFieldName(term.getProperty("uri").toString());
                    }
                    if (objectification > 1) {
                        if (associatedDataSets.containsKey(term.getId())) {
                            writeJsonNodeObjectifiedObject(jg, term, annotationLabel,
                                    associatedDataSets.get(term.getId()));
                        } else {
                            writeJsonNodeObjectifiedObject(jg, term, annotationLabel);
                        }
                    } else {
                        if (associatedDataSets.containsKey(term.getId())) {
                            writeJsonNodeObject(jg, term, annotationLabel,
                                    associatedDataSets.get(term.getId()));
                        } else {
                            writeJsonNodeObject(jg, term, annotationLabel);
                        }
                    }
                }
                tx.success();
            }

            if (objectification > 0) {
                jg.writeEndObject();
            } else {
                jg.writeEndArray();
            }
            jg.writeEndObject();
            jg.flush();
            jg.close();
        }
    };

    return Response.ok().entity(stream).type(MediaType.APPLICATION_JSON).build();
}

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

@SuppressWarnings("deprecation")
protected void writeBannerFields(Banner banner, JsonGenerator gen) throws IOException {
    if (banner.hasW()) {
        gen.writeNumberField("w", banner.getW());
    }/*from   www.  j a  v a  2s .c o m*/
    if (banner.hasH()) {
        gen.writeNumberField("h", banner.getH());
    }
    if (banner.hasWmax()) {
        gen.writeNumberField("wmax", banner.getWmax());
    }
    if (banner.hasHmax()) {
        gen.writeNumberField("hmax", banner.getHmax());
    }
    if (banner.hasWmin()) {
        gen.writeNumberField("wmin", banner.getWmin());
    }
    if (banner.hasHmin()) {
        gen.writeNumberField("hmin", banner.getHmin());
    }
    if (banner.hasId()) {
        gen.writeStringField("id", banner.getId());
    }
    writeEnums("btype", banner.getBtypeList(), gen);
    writeEnums("battr", banner.getBattrList(), gen);
    if (banner.hasPos()) {
        gen.writeNumberField("pos", banner.getPos().getNumber());
    }
    writeStrings("mimes", banner.getMimesList(), gen);
    if (banner.hasTopframe()) {
        writeIntBoolField("topframe", banner.getTopframe(), gen);
    }
    writeEnums("expdir", banner.getExpdirList(), gen);
    writeEnums("api", banner.getApiList(), gen);
    if (checkRequired(banner.getFormatCount())) {
        gen.writeArrayFieldStart("format");
        for (Format format : banner.getFormatList()) {
            writeFormat(format, gen);
        }
        gen.writeEndArray();
    }
}

From source file:org.apache.olingo.client.core.serialization.JsonEntitySerializer.java

protected void doContainerSerialize(final ResWrap<Entity> container, final JsonGenerator jgen)
        throws IOException, EdmPrimitiveTypeException {

    final Entity entity = container.getPayload();

    jgen.writeStartObject();//from ww w .  j a  v  a2 s.c  om

    if (serverMode) {
        if (container.getContextURL() != null) {
            jgen.writeStringField(Constants.JSON_CONTEXT, container.getContextURL().toASCIIString());
        }
        if (StringUtils.isNotBlank(container.getMetadataETag())) {
            jgen.writeStringField(Constants.JSON_METADATA_ETAG, container.getMetadataETag());
        }

        if (StringUtils.isNotBlank(entity.getETag())) {
            jgen.writeStringField(Constants.JSON_ETAG, entity.getETag());
        }
    }

    if (StringUtils.isNotBlank(entity.getType()) && !isODataMetadataNone(contentType)) {
        jgen.writeStringField(Constants.JSON_TYPE,
                new EdmTypeInfo.Builder().setTypeExpression(entity.getType()).build().external());
    }

    if (entity.getId() != null && !isODataMetadataNone(contentType)) {
        jgen.writeStringField(Constants.JSON_ID, entity.getId().toASCIIString());
    }

    for (Annotation annotation : entity.getAnnotations()) {
        valuable(jgen, annotation, "@" + annotation.getTerm());
    }

    for (Property property : entity.getProperties()) {
        valuable(jgen, property, property.getName());
    }

    if (serverMode && entity.getEditLink() != null && StringUtils.isNotBlank(entity.getEditLink().getHref())) {
        jgen.writeStringField(Constants.JSON_EDIT_LINK, entity.getEditLink().getHref());

        if (entity.isMediaEntity()) {
            jgen.writeStringField(Constants.JSON_MEDIA_READ_LINK, entity.getEditLink().getHref() + "/$value");
        }
    }

    if (!isODataMetadataNone(contentType)) {
        links(entity, jgen);
    }

    for (Link link : entity.getMediaEditLinks()) {
        if (link.getTitle() == null) {
            jgen.writeStringField(Constants.JSON_MEDIA_EDIT_LINK, link.getHref());
        }

        if (link.getInlineEntity() != null) {
            jgen.writeObjectField(link.getTitle(), link.getInlineEntity());
        }
        if (link.getInlineEntitySet() != null) {
            jgen.writeArrayFieldStart(link.getTitle());
            for (Entity subEntry : link.getInlineEntitySet().getEntities()) {
                jgen.writeObject(subEntry);
            }
            jgen.writeEndArray();
        }
    }

    if (serverMode) {
        for (Operation operation : entity.getOperations()) {
            jgen.writeObjectFieldStart(
                    "#" + StringUtils.substringAfterLast(operation.getMetadataAnchor(), "#"));
            jgen.writeStringField(Constants.ATTR_TITLE, operation.getTitle());
            jgen.writeStringField(Constants.ATTR_TARGET, operation.getTarget().toASCIIString());
            jgen.writeEndObject();
        }
    }

    jgen.writeEndObject();
}

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

protected void writeAudioFields(Audio audio, JsonGenerator gen) throws IOException {
    // Common to Video & Audio

    if (checkRequired(audio.getMimesCount())) {
        writeStrings("mimes", audio.getMimesList(), gen);
    }//from   w w  w  .j  av a2s .c  o  m
    if (audio.hasMinduration()) {
        gen.writeNumberField("minduration", audio.getMinduration());
    }
    if (audio.hasMaxduration()) {
        gen.writeNumberField("maxduration", audio.getMaxduration());
    }
    if (checkRequired(audio.getProtocolsCount())) {
        writeEnums("protocols", audio.getProtocolsList(), gen);
    }
    if (audio.hasStartdelay()) {
        gen.writeNumberField("startdelay", audio.getStartdelay());
    }
    if (audio.hasSequence()) {
        gen.writeNumberField("sequence", audio.getSequence());
    }
    writeEnums("battr", audio.getBattrList(), gen);
    if (audio.hasMaxextended()) {
        gen.writeNumberField("maxextended", audio.getMaxextended());
    }
    if (audio.hasMinbitrate()) {
        gen.writeNumberField("minbitrate", audio.getMinbitrate());
    }
    if (audio.hasMaxbitrate()) {
        gen.writeNumberField("maxbitrate", audio.getMaxbitrate());
    }
    writeEnums("delivery", audio.getDeliveryList(), gen);
    if (audio.getCompanionadCount() != 0) {
        // OpenRTB 2.2+
        gen.writeArrayFieldStart("companionad");
        for (Banner companionad : audio.getCompanionadList()) {
            writeBanner(companionad, gen);
        }
        gen.writeEndArray();
    }
    writeEnums("api", audio.getApiList(), gen);
    writeEnums("companiontype", audio.getCompaniontypeList(), gen);

    // Audio only

    if (audio.hasMaxseq()) {
        gen.writeNumberField("maxseq", audio.getMaxseq());
    }
    if (audio.hasFeed()) {
        gen.writeNumberField("feed", audio.getFeed().getNumber());
    }
    if (audio.hasStitched()) {
        writeIntBoolField("stitched", audio.getStitched(), gen);
    }
    if (audio.hasNvol()) {
        gen.writeNumberField("nvol", audio.getNvol().getNumber());
    }
}

From source file:org.apache.flink.runtime.jobgraph.jsonplan.JsonPlanGenerator.java

public static String generatePlan(JobGraph jg) {
    try {//from   w  ww . java2s .  com
        final StringWriter writer = new StringWriter(1024);

        final JsonFactory factory = new JsonFactory();
        final JsonGenerator gen = factory.createGenerator(writer);

        // start of everything
        gen.writeStartObject();
        gen.writeStringField("jid", jg.getJobID().toString());
        gen.writeStringField("name", jg.getName());
        gen.writeArrayFieldStart("nodes");

        // info per vertex
        for (JobVertex vertex : jg.getVertices()) {

            String operator = vertex.getOperatorName() != null ? vertex.getOperatorName() : NOT_SET;

            String operatorDescr = vertex.getOperatorDescription() != null ? vertex.getOperatorDescription()
                    : NOT_SET;

            String optimizerProps = vertex.getResultOptimizerProperties() != null
                    ? vertex.getResultOptimizerProperties()
                    : EMPTY;

            String description = vertex.getOperatorPrettyName() != null ? vertex.getOperatorPrettyName()
                    : vertex.getName();

            // make sure the encoding is HTML pretty
            description = StringEscapeUtils.escapeHtml4(description);
            description = description.replace("\n", "<br/>");
            description = description.replace("\\", "&#92;");

            operatorDescr = StringEscapeUtils.escapeHtml4(operatorDescr);
            operatorDescr = operatorDescr.replace("\n", "<br/>");

            gen.writeStartObject();

            // write the core properties
            gen.writeStringField("id", vertex.getID().toString());
            gen.writeNumberField("parallelism", vertex.getParallelism());
            gen.writeStringField("operator", operator);
            gen.writeStringField("operator_strategy", operatorDescr);
            gen.writeStringField("description", description);

            if (!vertex.isInputVertex()) {
                // write the input edge properties
                gen.writeArrayFieldStart("inputs");

                List<JobEdge> inputs = vertex.getInputs();
                for (int inputNum = 0; inputNum < inputs.size(); inputNum++) {
                    JobEdge edge = inputs.get(inputNum);
                    if (edge.getSource() == null) {
                        continue;
                    }

                    JobVertex predecessor = edge.getSource().getProducer();

                    String shipStrategy = edge.getShipStrategyName();
                    String preProcessingOperation = edge.getPreProcessingOperationName();
                    String operatorLevelCaching = edge.getOperatorLevelCachingDescription();

                    gen.writeStartObject();
                    gen.writeNumberField("num", inputNum);
                    gen.writeStringField("id", predecessor.getID().toString());

                    if (shipStrategy != null) {
                        gen.writeStringField("ship_strategy", shipStrategy);
                    }
                    if (preProcessingOperation != null) {
                        gen.writeStringField("local_strategy", preProcessingOperation);
                    }
                    if (operatorLevelCaching != null) {
                        gen.writeStringField("caching", operatorLevelCaching);
                    }

                    gen.writeStringField("exchange", edge.getSource().getResultType().name().toLowerCase());

                    gen.writeEndObject();
                }

                gen.writeEndArray();
            }

            // write the optimizer properties
            gen.writeFieldName("optimizer_properties");
            gen.writeRawValue(optimizerProps);

            gen.writeEndObject();
        }

        // end of everything
        gen.writeEndArray();
        gen.writeEndObject();

        gen.close();

        return writer.toString();
    } catch (Exception e) {
        throw new RuntimeException("Failed to generate plan", e);
    }
}

From source file:com.buaa.cfs.conf.Configuration.java

/**
 * Writes out all the parameters and their properties (final and resource) to the given {@link Writer} The format of
 * the output would be { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 * key2.isFinal,key2.resource}... ] } It does not output the parameters of the configuration object which is loaded
 * from an input stream./*from  w  w w .  ja v a  2 s .  c  o  m*/
 *
 * @param out the Writer to write to
 *
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config, Writer out) throws IOException {
    JsonFactory dumpFactory = new JsonFactory();
    JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
    dumpGenerator.writeStartObject();
    dumpGenerator.writeFieldName("properties");
    dumpGenerator.writeStartArray();
    dumpGenerator.flush();
    synchronized (config) {
        for (Entry<Object, Object> item : config.getProps().entrySet()) {
            dumpGenerator.writeStartObject();
            dumpGenerator.writeStringField("key", (String) item.getKey());
            dumpGenerator.writeStringField("value", config.get((String) item.getKey()));
            dumpGenerator.writeBooleanField("isFinal", config.finalParameters.contains(item.getKey()));
            String[] resources = config.updatingResource.get(item.getKey());
            String resource = UNKNOWN_RESOURCE;
            if (resources != null && resources.length > 0) {
                resource = resources[0];
            }
            dumpGenerator.writeStringField("resource", resource);
            dumpGenerator.writeEndObject();
        }
    }
    dumpGenerator.writeEndArray();
    dumpGenerator.writeEndObject();
    dumpGenerator.flush();
}