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:io.protostuff.JsonIOUtil.java

/**
 * Serializes the {@code messages} into the generator using the given schema.
 *//* ww w  .  j ava 2s.  c om*/
public static <T> void writeListTo(JsonGenerator generator, List<T> messages, Schema<T> schema, boolean numeric)
        throws IOException {
    generator.writeStartArray();
    if (messages.isEmpty()) {
        generator.writeEndArray();
        return;
    }

    final JsonOutput output = new JsonOutput(generator, numeric, schema);

    for (T m : messages) {
        generator.writeStartObject();

        schema.writeTo(output, m);
        if (output.isLastRepeated())
            generator.writeEndArray();

        generator.writeEndObject();
        output.reset();
    }

    generator.writeEndArray();
}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static String login(String email, String pass) throws IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath("Login").build().toString();
    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    addRequestHeader(conn, true);/*from ww w. ja va2s . c  o m*/

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    try {
        // hash the password
        pass = Utilities.computeHash(pass);
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, e.getLocalizedMessage());
    }
    // Build JSON Object
    jgen.writeStartObject();
    jgen.writeStringField(Keys.User.EMAIL, email);
    jgen.writeStringField("password", pass);
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    /*
     * result should get valid={"userID":"##"}
     * invalid={"errorID":"3","errorMessage":"invalid username or password"}
     */
    String result = "";
    if (!response.isEmpty()) {
        JsonNode tree = MAPPER.readTree(response);
        if (!tree.has(Keys.User.ID)) {
            logError(TAG, tree);
            result = "invalid username or password";
        } else
            result = tree.get(Keys.User.ID).asText();
    }

    conn.disconnect();
    return result;

}

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   w w w  .j a  v  a  2s.c  om*/

    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.meetingninja.csse.database.UserDatabaseAdapter.java

public static User update(String userID, Map<String, String> key_values)
        throws JsonGenerationException, IOException, InterruptedException {
    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);

    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    for (String key : key_values.keySet()) {
        if (key.equals(Keys.User.EMAIL) && !Utilities.isValidEmailAddress(key_values.get(Keys.User.EMAIL)))
            throw new IOException("Error : [Update User] Incorrect email format");
        else {//from   ww  w  .j  ava 2 s  . c om
            jgen.flush();
            // Build JSON Object
            jgen.writeStartObject();
            jgen.writeStringField(Keys.User.ID, userID);
            jgen.writeStringField("field", key);
            jgen.writeStringField("value", key_values.get(key));
            jgen.writeEndObject();
            jgen.writeRaw("\f");
        }
    }

    jgen.close();
    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();
    String[] payloads = payload.split("\f\\s*");

    Thread t = new Thread(new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.getLocalizedMessage();
            }
        }
    }));
    String response = "";
    for (String p : payloads) {
        t.run();
        response = updateHelper(p);
    }
    return parseUser(MAPPER.readTree(response));
}

From source file:de.alexkamp.sandbox.model.SpecialMount.java

@Override
public void toJSON(JsonGenerator gen) throws IOException {
    gen.writeStartObject();
    gen.writeObjectField("type", type);
    gen.writeEndObject();/*ww w .ja v a2s .com*/
}

From source file:de.alexkamp.sandbox.model.ReadOnlyMount.java

@Override
public void toJSON(JsonGenerator gen) throws IOException {
    gen.writeStartObject();

    gen.writeObjectField("type", "bind");
    gen.writeObjectField("origPath", origPath);
    gen.writeObjectField("mountPath", mountPath);

    gen.writeEndObject();/*w  w  w.j a v  a 2s. c o m*/
}

From source file:br.com.hyperclass.snackbar.restapi.serializer.ProductSerializer.java

@Override
public void serialize(final Product product, final JsonGenerator jsonGenerator) throws IOException {
    jsonGenerator.writeStartObject();
    serializerProduct(product, jsonGenerator);
    jsonGenerator.writeEndObject();/*from   ww  w.  j a va2s  .co m*/
}

From source file:org.n52.ar.layar.LayarAction.java

public void toJSON(final JsonGenerator generator) throws IOException {
    generator.writeStartObject();
    generator.writeStringField("uri", this.uri.toString());
    generator.writeStringField("label", this.label);
    generator.writeEndObject();/*  w  w  w  .j  a  v  a  2 s.c o m*/
}

From source file:com.attribyte.essem.es.BooleanTermQuery.java

@Override
public void generate(final JsonGenerator generator) throws IOException {
    generator.writeStartObject();
    generator.writeObjectFieldStart("term");
    generator.writeBooleanField(term, value);
    generator.writeEndObject();/*ww w. j a  v a  2  s . c o  m*/
    generator.writeEndObject();
}

From source file:com.attribyte.essem.es.IntTermQuery.java

@Override
public void generate(final JsonGenerator generator) throws IOException {
    generator.writeStartObject();
    generator.writeObjectFieldStart("term");
    generator.writeNumberField(term, value);
    generator.writeEndObject();/* w  ww  .  ja  v a2  s .  c om*/
    generator.writeEndObject();
}