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:edu.usd.btl.ontology.WriteTree.java

public static void main(String[] args) {

    try {/*from w w  w  .java  2  s  . c om*/

        JsonFactory jfactory = new JsonFactory();

        /**
         * * write to file **
         */
        JsonGenerator jGenerator = jfactory.createJsonGenerator(
                new File("C:\\Users\\Tyler\\Documents\\GitHub\\BTL\\src\\user.json"), JsonEncoding.UTF8);
        jGenerator.writeStartObject(); // {

        jGenerator.writeStringField("name", "mkyong"); // "name" : "mkyong"
        jGenerator.writeNumberField("age", 29); // "age" : 29

        jGenerator.writeFieldName("messages"); // "messages" :
        jGenerator.writeStartArray(); // [

        jGenerator.writeString("msg 4134134"); // "msg 1"
        jGenerator.writeString("msg 2"); // "msg 2"
        jGenerator.writeString("msg 3"); // "msg 3"

        jGenerator.writeEndArray(); // ]

        jGenerator.writeEndObject(); // }

        jGenerator.close();

    } catch (JsonGenerationException e) {

        e.printStackTrace();

    } catch (JsonMappingException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

}

From source file:Service.java

public static void main(String[] args) {

    StringWriter sw = new StringWriter();
    try {//from   w w  w  .  jav a  2  s  .co  m
        JsonGenerator g = factory.createGenerator(sw);
        g.writeStartObject();
        g.writeNumberField("code", 200);
        g.writeArrayFieldStart("languages");
        for (Language l : Languages.get()) {
            g.writeStartObject();
            g.writeStringField("name", l.getName());
            g.writeStringField("locale", l.getLocaleWithCountryAndVariant().toString());
            g.writeEndObject();
        }
        g.writeEndArray();
        g.writeEndObject();
        g.flush();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    String languagesResponse = sw.toString();

    String errorResponse = codeResponse(500);
    String okResponse = codeResponse(200);

    Scanner sc = new Scanner(System.in);
    while (sc.hasNextLine()) {
        try {
            String line = sc.nextLine();
            JsonParser p = factory.createParser(line);
            String cmd = "";
            String text = "";
            String language = "";
            while (p.nextToken() != JsonToken.END_OBJECT) {
                String name = p.getCurrentName();
                if ("command".equals(name)) {
                    p.nextToken();
                    cmd = p.getText();
                }
                if ("text".equals(name)) {
                    p.nextToken();
                    text = p.getText();
                }
                if ("language".equals(name)) {
                    p.nextToken();
                    language = p.getText();
                }
            }
            p.close();

            if ("check".equals(cmd)) {
                sw = new StringWriter();
                JsonGenerator g = factory.createGenerator(sw);
                g.writeStartObject();
                g.writeNumberField("code", 200);
                g.writeArrayFieldStart("matches");
                for (RuleMatch match : new JLanguageTool(Languages.getLanguageForShortName(language))
                        .check(text)) {
                    g.writeStartObject();

                    g.writeNumberField("offset", match.getFromPos());

                    g.writeNumberField("length", match.getToPos() - match.getFromPos());

                    g.writeStringField("message", substituteSuggestion(match.getMessage()));

                    if (match.getShortMessage() != null) {
                        g.writeStringField("shortMessage", substituteSuggestion(match.getShortMessage()));
                    }

                    g.writeArrayFieldStart("replacements");
                    for (String replacement : match.getSuggestedReplacements()) {
                        g.writeString(replacement);
                    }
                    g.writeEndArray();

                    Rule rule = match.getRule();

                    g.writeStringField("ruleId", rule.getId());

                    if (rule instanceof AbstractPatternRule) {
                        String subId = ((AbstractPatternRule) rule).getSubId();
                        if (subId != null) {
                            g.writeStringField("ruleSubId", subId);
                        }
                    }

                    g.writeStringField("ruleDescription", rule.getDescription());

                    g.writeStringField("ruleIssueType", rule.getLocQualityIssueType().toString());

                    if (rule.getUrl() != null) {
                        g.writeArrayFieldStart("ruleUrls");
                        g.writeString(rule.getUrl().toString());
                        g.writeEndArray();
                    }

                    Category category = rule.getCategory();
                    CategoryId catId = category.getId();
                    if (catId != null) {
                        g.writeStringField("ruleCategoryId", catId.toString());

                        g.writeStringField("ruleCategoryName", category.getName());
                    }

                    g.writeEndObject();
                }
                g.writeEndArray();
                g.writeEndObject();
                g.flush();
                System.out.println(sw.toString());
            } else if ("languages".equals(cmd)) {
                System.out.println(languagesResponse);
            } else if ("quit".equals(cmd)) {
                System.out.println(okResponse);
                return;
            } else {
                System.out.println(errorResponse);
            }
        } catch (Exception e) {
            System.out.println(errorResponse);
        }
    }
}

From source file:org.apache.flink.benchmark.Runner.java

public static void main(String[] args) throws Exception {
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    env.getConfig().enableObjectReuse();
    env.getConfig().disableSysoutLogging();

    ParameterTool parameters = ParameterTool.fromArgs(args);

    if (!(parameters.has("p") && parameters.has("types") && parameters.has("algorithms"))) {
        printUsage();/*  ww  w. j  a  v  a2  s.c om*/
        System.exit(-1);
    }

    int parallelism = parameters.getInt("p");
    env.setParallelism(parallelism);

    Set<IdType> types = new HashSet<>();

    if (parameters.get("types").equals("all")) {
        types.add(IdType.INT);
        types.add(IdType.LONG);
        types.add(IdType.STRING);
    } else {
        for (String type : parameters.get("types").split(",")) {
            if (type.toLowerCase().equals("int")) {
                types.add(IdType.INT);
            } else if (type.toLowerCase().equals("long")) {
                types.add(IdType.LONG);
            } else if (type.toLowerCase().equals("string")) {
                types.add(IdType.STRING);
            } else {
                printUsage();
                throw new RuntimeException("Unknown type: " + type);
            }
        }
    }

    Queue<RunnerWithScore> queue = new PriorityQueue<>();

    if (parameters.get("algorithms").equals("all")) {
        for (Map.Entry<String, Class> entry : AVAILABLE_ALGORITHMS.entrySet()) {
            for (IdType type : types) {
                AlgorithmRunner runner = (AlgorithmRunner) entry.getValue().newInstance();
                runner.initialize(type, SAMPLES, parallelism);
                runner.warmup(env);
                queue.add(new RunnerWithScore(runner, 1.0));
            }
        }
    } else {
        for (String algorithm : parameters.get("algorithms").split(",")) {
            double ratio = 1.0;
            if (algorithm.contains("=")) {
                String[] split = algorithm.split("=");
                algorithm = split[0];
                ratio = Double.parseDouble(split[1]);
            }

            if (AVAILABLE_ALGORITHMS.containsKey(algorithm.toLowerCase())) {
                Class clazz = AVAILABLE_ALGORITHMS.get(algorithm.toLowerCase());

                for (IdType type : types) {
                    AlgorithmRunner runner = (AlgorithmRunner) clazz.newInstance();
                    runner.initialize(type, SAMPLES, parallelism);
                    runner.warmup(env);
                    queue.add(new RunnerWithScore(runner, ratio));
                }
            } else {
                printUsage();
                throw new RuntimeException("Unknown algorithm: " + algorithm);
            }
        }
    }

    JsonFactory factory = new JsonFactory();

    while (queue.size() > 0) {
        RunnerWithScore current = queue.poll();
        AlgorithmRunner runner = current.getRunner();

        StringWriter writer = new StringWriter();
        JsonGenerator gen = factory.createGenerator(writer);
        gen.writeStartObject();
        gen.writeStringField("algorithm", runner.getClass().getSimpleName());

        boolean running = true;

        while (running) {
            try {
                runner.run(env, gen);
                running = false;
            } catch (ProgramInvocationException e) {
                // only suppress job cancellations
                if (!(e.getCause() instanceof JobCancellationException)) {
                    throw e;
                }
            }
        }

        JobExecutionResult result = env.getLastJobExecutionResult();

        long runtime_ms = result.getNetRuntime();
        gen.writeNumberField("runtime_ms", runtime_ms);
        current.credit(runtime_ms);

        if (!runner.finished()) {
            queue.add(current);
        }

        gen.writeObjectFieldStart("accumulators");
        for (Map.Entry<String, Object> accumulatorResult : result.getAllAccumulatorResults().entrySet()) {
            gen.writeStringField(accumulatorResult.getKey(), accumulatorResult.getValue().toString());
        }
        gen.writeEndObject();

        gen.writeEndObject();
        gen.close();
        System.out.println(writer.toString());
    }
}

From source file:GetAppInfo.java

/**
 * @param args//from ww w. ja v  a 2s  .  c o m
 */
public static void main(String[] args) {
    if (args.length != 4) {
        System.out.println("Usage :\n" + "java -jar this_jar_name confpath query_str startIndex numbers");
        System.exit(1);
    }
    String confpath = args[0];
    GetAppConfig conf = new GetAppConfig(confpath);
    String email = conf.getUserID();
    String password = conf.getPassword();
    String query = args[1];
    final int startIndex = Integer.parseInt(args[2]);
    final int numbers = Integer.parseInt(args[3]);
    String androidid = conf.getDeviceID();

    if (email.equals("")) {
        System.out.println("Error: Failed to get UserID.");
        System.exit(2);
    } else if (password.equals("")) {
        System.out.println("Error: Failed to get Password.");
        System.exit(3);
    } else if (androidid.equals("")) {
        System.out.println("Error: Failed to get DeviceID.");
        System.exit(4);
    }

    System.out.println("query: " + query);
    MarketSession session = new MarketSession();
    session.getContext().setAndroidId(androidid);

    Locale locale = new Locale("ja", "JP");
    session.setLocale(locale);
    session.setOperator("NTT DOCOMO", "44010");
    session.getContext().setDeviceAndSdkVersion("passion:8");

    try {
        session.login(email, password, androidid);
    } catch (Exception e) {
        System.out.println("Error: failed to login.: " + e.getMessage());
        System.exit(1);
    }

    AppsRequest appsRequest = AppsRequest.newBuilder().setQuery(query).setStartIndex(startIndex)
            .setEntriesCount(numbers).setWithExtendedInfo(true).build();

    Callback<AppsResponse> callback = new Callback<AppsResponse>() {
        @Override
        public void onResult(ResponseContext context, AppsResponse response) {
            int totalcnt, cnt;
            JsonFactory factory = new JsonFactory();
            try {
                JsonGenerator generator = factory.createGenerator(new FileWriter(new File("pkginfo.json")));
                generator.writeStartObject();
                //generator.setRootValueSeparator(new SerializedString("\n"));

                if (response != null) {
                    totalcnt = response.getEntriesCount();
                    cnt = response.getAppCount();
                    System.out.println("startIndex = " + startIndex);
                    System.out.println("entriesCount = " + numbers);
                    System.out.println("totalcount = " + totalcnt);
                    System.out.println("count = " + cnt);
                    generator.writeNumberField("startIndex", startIndex);
                    generator.writeNumberField("entriesCount", numbers);
                    generator.writeNumberField("total", totalcnt);
                    generator.writeNumberField("count", cnt);
                    generator.writeRaw("\n");
                } else {
                    cnt = -1;
                }
                generator.writeFieldName("dataset");
                generator.writeStartArray();

                if (cnt > 0) {
                    for (int i = 0; ((i < cnt) && (i < numbers)); i++) {
                        generator.writeStartObject();
                        generator.writeNumberField("num", i + startIndex);
                        System.out.println(
                                "------------------------------------------------------------------------------------");
                        int counter = i + startIndex;
                        System.out.println(counter + ":");
                        System.out.println(
                                "------------------------------------------------------------------------------------");
                        generator.writeStringField("title", response.getApp(i).getTitle());
                        generator.writeStringField("appType", "" + response.getApp(i).getAppType());
                        generator.writeStringField("category",
                                response.getApp(i).getExtendedInfo().getCategory());
                        generator.writeStringField("rating", response.getApp(i).getRating());
                        generator.writeNumberField("ratingCount", response.getApp(i).getRatingsCount());
                        generator.writeStringField("countText",
                                response.getApp(i).getExtendedInfo().getDownloadsCountText());
                        generator.writeStringField("creatorId", response.getApp(i).getCreatorId());
                        generator.writeStringField("id", response.getApp(i).getId());
                        generator.writeStringField("packageName", response.getApp(i).getPackageName());
                        generator.writeStringField("version", response.getApp(i).getVersion());
                        generator.writeNumberField("versionCode", response.getApp(i).getVersionCode());
                        generator.writeStringField("price", response.getApp(i).getPrice());
                        generator.writeNumberField("priceMicros", response.getApp(i).getPriceMicros());
                        generator.writeStringField("priceCurrency", response.getApp(i).getPriceCurrency());
                        generator.writeStringField("contactWebsite",
                                response.getApp(i).getExtendedInfo().getContactWebsite());
                        generator.writeNumberField("screenshotsCount",
                                response.getApp(i).getExtendedInfo().getScreenshotsCount());
                        generator.writeNumberField("installSize",
                                response.getApp(i).getExtendedInfo().getInstallSize());
                        generator.writeStringField("permissionIdList",
                                "" + response.getApp(i).getExtendedInfo().getPermissionIdList());
                        generator.writeStringField("promotoText",
                                response.getApp(i).getExtendedInfo().getPromoText());
                        generator.writeStringField("description",
                                response.getApp(i).getExtendedInfo().getDescription());

                        System.out.println("title: " + response.getApp(i).getTitle());
                        System.out.println("appType: " + response.getApp(i).getAppType());
                        System.out.println("category: " + response.getApp(i).getExtendedInfo().getCategory());
                        System.out.println("rating: " + response.getApp(i).getRating());
                        System.out.println("ratingsCount: " + response.getApp(i).getRatingsCount());
                        System.out
                                .println("count: " + response.getApp(i).getExtendedInfo().getDownloadsCount());
                        System.out.println(
                                "countText: " + response.getApp(i).getExtendedInfo().getDownloadsCountText());
                        System.out.println("creator: " + response.getApp(i).getCreator());
                        System.out.println("creatorId: " + response.getApp(i).getCreatorId());
                        System.out.println("id: " + response.getApp(i).getId());
                        System.out.println("packageName: " + response.getApp(i).getPackageName());
                        System.out.println("version: " + response.getApp(i).getVersion());
                        //System.out.println("contactEmail: " + response.getApp(i).getExtendedInfo().getContactEmail());
                        //System.out.println("contactPhone: " + response.getApp(i).getExtendedInfo().getContactPhone());
                        System.out.println(
                                "installSize: " + response.getApp(i).getExtendedInfo().getInstallSize());
                        generator.writeEndObject();
                        generator.writeRaw("\n");
                    }
                } else if (cnt == 0) {
                    System.out.println("no hit");
                } else {
                    System.out.println("Bad Reqeust");
                }

                generator.writeEndArray();
                generator.writeEndObject();
                generator.close();

            } catch (Exception e) {
                System.out.println("Error: pkginfo(): " + e.getMessage());
            }

        } // onResult()
    };
    session.append(appsRequest, callback);
    session.flush();
}

From source file:org.datagator.tools.importer.Main.java

public static void main(String[] args) throws IOException {

    int columnHeaders = 0; // cli input
    int rowHeaders = 0; // cli input

    try {//w  ww.j a v a2s  .  co  m
        CommandLine cmds = parser.parse(opts, args);
        if (cmds.hasOption("filter")) {
            throw new UnsupportedOperationException("Not supported yet.");
        }
        if (cmds.hasOption("layout")) {
            String[] layout = cmds.getOptionValues("layout");
            if ((layout == null) || (layout.length != 2)) {
                throw new IllegalArgumentException("Bad layout.");
            }
            try {
                columnHeaders = Integer.valueOf(layout[0]);
                rowHeaders = Integer.valueOf(layout[1]);
                if ((columnHeaders < 0) || (rowHeaders < 0)) {
                    throw new IllegalArgumentException("Bad layout.");
                }
            } catch (NumberFormatException ex) {
                throw new IllegalArgumentException(ex);
            }
        }
        if (cmds.hasOption("help")) {
            help.printHelp("importer", opts, true);
            System.exit(EX_OK);
        }
        // positional arguments, i.e., input file name(s)
        args = cmds.getArgs();
    } catch (ParseException ex) {
        throw new IllegalArgumentException(ex);
    } catch (IllegalArgumentException ex) {
        help.printHelp("importer", opts, true);
        throw ex;
    }

    JsonGenerator jg = json.createGenerator(System.out, JsonEncoding.UTF8);
    jg.setPrettyPrinter(new StandardPrinter());

    final Extractor extractor;

    if (args.length == 1) {
        extractor = new FileExtractor(new File(args[0]));
    } else if (args.length > 1) {
        throw new UnsupportedOperationException("Not supported yet.");
    } else {
        throw new IllegalArgumentException("Missing input.");
    }

    int columnsCount = -1;
    int matrixCount = 0;

    ArrayDeque<String> stack = new ArrayDeque<String>();

    AtomType token = extractor.nextAtom();
    while (token != null) {
        switch (token) {
        case FLOAT:
        case INTEGER:
        case STRING:
        case NULL:
            jg.writeObject(extractor.getCurrentAtomData());
            break;
        case START_RECORD:
            jg.writeStartArray();
            break;
        case END_RECORD:
            int _numFields = (Integer) extractor.getCurrentAtomData();
            if (columnsCount < 0) {
                columnsCount = _numFields;
            } else if (columnsCount != _numFields) {
                throw new RuntimeException(String.format("row %s has different length than previous rows",
                        String.valueOf(_numFields - 1)));
            }
            jg.writeEndArray();
            break;
        case START_GROUP:
            stack.push(String.valueOf(extractor.getCurrentAtomData()));
            jg.writeStartObject();
            jg.writeStringField("kind", "datagator#Matrix");
            jg.writeNumberField("columnHeaders", columnHeaders);
            jg.writeNumberField("rowHeaders", rowHeaders);
            jg.writeFieldName("rows");
            jg.writeStartArray();
            break;
        case END_GROUP:
            int rowsCount = (Integer) extractor.getCurrentAtomData();
            if (rowsCount == 0) {
                jg.writeStartArray();
                jg.writeEndArray();
                rowsCount = 1;
                columnsCount = 0;
            }
            jg.writeEndArray();
            jg.writeNumberField("rowsCount", rowsCount);
            jg.writeNumberField("columnsCount", columnsCount);
            jg.writeEndObject();
            matrixCount += 1;
            stack.pop();
            break;
        default:
            break;
        }
        token = extractor.nextAtom();
    }

    jg.close();

    System.exit(EX_OK);
}

From source file:org.ng200.openolympus.controller.auth.AuthenticationResponder.java

public static void writeLoginStatusJson(Writer out, String authMessage, List<String> captchaErrorCodes)
        throws IOException, JsonGenerationException {
    final JsonFactory factory = new JsonFactory();
    final JsonGenerator generator = factory.createGenerator(out);
    generator.writeStartObject();
    generator.writeStringField("auth", authMessage);
    if (captchaErrorCodes != null && !captchaErrorCodes.isEmpty()) {
        generator.writeArrayFieldStart("captchas");
        for (final String captchaErrorCode : captchaErrorCodes) {
            generator.writeString(captchaErrorCode);
        }//from w w w.  j  a v  a  2  s  . c om
        generator.writeEndArray();
    } else {
        generator.writeNullField("captchas");
    }
    generator.writeEndObject();
    generator.close();
}

From source file:net.echinopsii.ariane.community.core.directory.wat.json.ds.technical.system.OSTypeJSON.java

public final static void osType2JSON(OSType osType, JsonGenerator jgenerator) throws IOException {
    jgenerator.writeStartObject();
    jgenerator.writeNumberField(OST_ID, osType.getId());
    jgenerator.writeNumberField(OST_VERSION, osType.getVersion());
    jgenerator.writeStringField(OST_NAME, osType.getName());
    jgenerator.writeStringField(OST_ARCHITECTURE, osType.getArchitecture());
    jgenerator.writeNumberField(OST_CMP_ID, ((osType.getCompany() != null) ? osType.getCompany().getId() : -1));
    jgenerator.writeArrayFieldStart(OST_OSI_ID);
    for (OSInstance osi : osType.getOsInstances())
        jgenerator.writeNumber(osi.getId());
    jgenerator.writeEndArray();/*  www .j  a v a2s .c o m*/
    jgenerator.writeEndObject();
}

From source file:net.echinopsii.ariane.community.core.directory.wat.json.ds.organisational.CompanyJSON.java

public final static void company2JSON(Company company, JsonGenerator jgenerator) throws IOException {
    jgenerator.writeStartObject();
    jgenerator.writeNumberField(CMP_ID, company.getId());
    jgenerator.writeNumberField(CMP_VERSION, company.getVersion());
    jgenerator.writeStringField(CMP_NAME, company.getName());
    jgenerator.writeStringField(CMP_DESCRIPTION, company.getDescription());
    jgenerator.writeArrayFieldStart(CMP_APP_ID);
    for (Application app : company.getApplications())
        jgenerator.writeNumber(app.getId());
    jgenerator.writeEndArray();//from ww  w. j a  v a 2s  .c  o m
    jgenerator.writeArrayFieldStart(CMP_OST_ID);
    for (OSType ost : company.getOsTypes())
        jgenerator.writeNumber(ost.getId());
    jgenerator.writeEndArray();
    jgenerator.writeEndObject();
}

From source file:net.echinopsii.ariane.community.plugin.rabbitmq.directory.json.RabbitmqClusterJSON.java

public final static void rabbitmqCluster2JSON(RabbitmqCluster cluster, JsonGenerator jgenerator)
        throws IOException {
    jgenerator.writeStartObject();
    jgenerator.writeNumberField(RMQC_ID, cluster.getId());
    jgenerator.writeNumberField(RMQC_VERSION, cluster.getVersion());
    jgenerator.writeStringField(RMQC_NAME, cluster.getName());
    jgenerator.writeStringField(RMQC_DESCRIPTION, cluster.getDescription());
    jgenerator.writeArrayFieldStart(RMQC_NODES_ID);
    for (RabbitmqNode node : cluster.getNodes())
        jgenerator.writeNumber(node.getId());
    jgenerator.writeEndArray();/*from   w  ww  .  j  a va  2  s.co m*/
    jgenerator.writeEndObject();
}

From source file:net.echinopsii.ariane.community.plugin.rabbitmq.directory.json.RabbitmqNodeJSON.java

public final static void rabbitmqNode2JSON(RabbitmqNode node, JsonGenerator jgenerator) throws IOException {
    jgenerator.writeStartObject();
    jgenerator.writeNumberField(RMQN_ID, node.getId());
    jgenerator.writeNumberField(RMQN_VERSION, node.getVersion());
    jgenerator.writeStringField(RMQN_NAME, node.getName());
    jgenerator.writeStringField(RMQN_URL, node.getUrl());
    jgenerator.writeStringField(RMQN_USER, node.getUser());
    jgenerator.writeBooleanField(RMQN_PASSWD, node.getPasswd() != null);
    jgenerator.writeStringField(RMQN_DESCRIPTION, node.getDescription());
    if (node.getCluster() != null)
        jgenerator.writeNumberField(RMQN_CLUSTER, node.getCluster().getId());
    else//from  ww  w  .j a v a  2s.  c om
        jgenerator.writeNumberField(RMQN_CLUSTER, -1);
    jgenerator.writeNumberField(RMQN_OSINSTANCE, node.getOsInstance().getId());
    jgenerator.writeNumberField(RMQN_SPT_TEAM, node.getSupportTeam().getId());
    jgenerator.writeEndObject();
}