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

Introduction

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

Prototype

@Override
public abstract void flush() throws IOException;

Source Link

Document

Method called to flush any buffered content to the underlying target (output stream, writer), and to flush the target itself as well.

Usage

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

/**
 * Generate to an output stream./*from  w  w w . java 2 s  . c om*/
 * @param os The output stream.
 * @throws IOException on write error.
 */
public void generate(final OutputStream os) throws IOException {
    JsonGenerator generator = jsonFactory.createGenerator(os);
    generate(generator);
    generator.flush();
}

From source file:org.axway.grapes.server.webapp.views.serialization.LicenseSerializer.java

@Override
public void serialize(final LicenseView licenseView, final JsonGenerator json,
        final SerializerProvider serializer) throws IOException {
    json.writeObject(licenseView.getLicense());
    json.flush();

}

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

/**
 * Write the query as a JSON strung.//from   w w w .  ja  va  2s  .c om
 * @return The JSON string.
 * @throws IOException on write error.
 */
public String toJSON() throws IOException {
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createGenerator(writer);
    generate(generator);
    generator.flush();
    return writer.toString();
}

From source file:org.apache.olingo.server.core.debug.AbstractDebugTabTest.java

protected String createJson(DebugTab requestTab) throws IOException {
    CircleStreamBuffer csb = new CircleStreamBuffer();
    JsonGenerator gen = new JsonFactory().createGenerator(csb.getOutputStream(), JsonEncoding.UTF8);
    requestTab.appendJson(gen);/*from  ww  w  . j  a  v  a 2s .c o m*/
    gen.flush();
    gen.close();
    csb.closeWrite();
    return IOUtils.toString(csb.getInputStream());
}

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

/**
 * Generate pretty JSON to an output stream.
 * @param os The output stream.//from  ww w  . ja  v  a  2 s  . co m
 * @throws IOException on write error.
 */
public void generatePretty(final OutputStream os) throws IOException {
    JsonGenerator generator = jsonFactory.createGenerator(os).useDefaultPrettyPrinter();
    generate(generator);
    generator.flush();
}

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

/**
 * Writes the query as a "pretty" JSON string.
 * @return The JSON string.//from  w w  w . j a  va  2 s.  c  o  m
 * @throws IOException on write error.
 */
public String toPrettyJSON() throws IOException {
    StringWriter writer = new StringWriter();
    JsonGenerator generator = jsonFactory.createGenerator(writer).useDefaultPrettyPrinter();
    generate(generator);
    generator.flush();
    return writer.toString();
}

From source file:org.axway.grapes.server.webapp.views.serialization.LicenseLisSerializer.java

@Override
public void serialize(final LicenseListView licenseList, final JsonGenerator jsonGenerator,
        final SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
    jsonGenerator.writeObject(licenseList.getLicenses());
    jsonGenerator.flush();
}

From source file:org.springframework.cloud.stream.metrics.config.MetricJsonSerializerTests.java

@Test
public void validateAlwaysGMTDateAndFormat() throws Exception {
    Date date = new Date(1493060197188L); // Mon Apr 24 14:56:37 EDT 2017
    Metric<Number> metric = new Metric<Number>("Hello", 123, date);

    JsonFactory factory = new JsonFactory();
    StringWriter writer = new StringWriter();
    JsonGenerator jsonGenerator = factory.createGenerator(writer);
    Serializer ser = new Serializer();
    ser.serialize(metric, jsonGenerator, null);
    jsonGenerator.flush();

    JSONObject json = new JSONObject(writer.toString());
    String serializedTimestamp = json.getString("timestamp");
    assertEquals("2017-04-24T18:56:37.188Z", serializedTimestamp);
}

From source file:com.predic8.membrane.core.interceptor.rest.RESTInterceptor.java

protected Response json(JSONContent content) throws Exception {
    StringWriter jsonTxt = new StringWriter();

    JsonGenerator gen = jsonFactory.createGenerator(jsonTxt);
    content.write(gen);/*w  w  w.  ja  v a 2  s.com*/
    gen.flush();

    return Response.ok().header(Header.CONTENT_TYPE, MimeType.APPLICATION_JSON_UTF8).body(jsonTxt.toString())
            .build();
}

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

/**
 * Write a list of measurements to some underlying storage.
 *//*from   ww w .j a  v  a 2  s  .  co m*/
void write(List<TDigestMeasurement> measurements) throws IOException {
    JsonGenerator gen = json.newGenerator(out);
    gen.writeStartArray();
    gen.flush();
    int pos = buf.position();
    for (TDigestMeasurement m : measurements) {
        json.encode(commonTags, m, gen);
        gen.flush();

        if (out.overflow()) {
            // Ignore the last entry written to the buffer
            out.setPosition(pos);
            gen.writeEndArray();
            gen.close();
            write(buf);

            // Reuse the buffer and write the current entry
            out.reset();
            gen = json.newGenerator(out);
            gen.writeStartArray();
            json.encode(commonTags, m, gen);
            gen.flush();

            // If a single entry is too big, then drop it
            if (out.overflow()) {
                LOGGER.warn("dropping measurement {}, serialized size exceeds the buffer cap", m.id());
                out.reset();
                gen = json.newGenerator(out);
                gen.writeStartArray();
                gen.flush();
            }

            pos = buf.position();
        } else if (buf.remaining() < MIN_FREE) {
            // Not enough free-space, go ahead and write
            gen.writeEndArray();
            gen.close();
            write(buf);

            // Reuse the buffer
            out.reset();
            gen = json.newGenerator(out);
            gen.writeStartArray();
            gen.flush();
            pos = buf.position();
        } else {
            pos = buf.position();
        }
    }

    // Write any data that is still in the buffer
    if (buf.position() > 1) {
        gen.writeEndArray();
        gen.close();
        write(buf);
    }
}