Examples with JsonFactory org.codehaus.jackson.JsonFactory used on opensource projects

Example 21 with JsonFactory

use of org.codehaus.jackson.JsonFactory in project databus by linkedin.

the class AvroConverter method convert.

public void convert(InputStream in, OutputStream out) throws IOException {
    JsonGenerator jsonGenerator = (new JsonFactory()).createJsonGenerator(new OutputStreamWriter(out));
    if (AvroFormat.JSON == _outputFormat)
        jsonGenerator.useDefaultPrettyPrinter();
    List<GenericRecord> result = convert(in);
    Encoder outputEncoder = (AvroFormat.BINARY == _outputFormat) ? new BinaryEncoder(out) : new JsonEncoder(_outputSchema, jsonGenerator);
    GenericDatumWriter<GenericRecord> genericWriter = new GenericDatumWriter<GenericRecord>(_outputSchema);
    for (GenericRecord r : result) {
        genericWriter.write(r, outputEncoder);
    }
    outputEncoder.flush();
    out.flush();
}

Example 22 with JsonFactory

use of org.codehaus.jackson.JsonFactory in project databus by linkedin.

the class JsonUtils method toJsonString.

/**
   * Serializes a bean as JSON
   * @param <T>     the bean type
   * @param bean    the bean to serialize
   * @param pretty  a flag if the output is to be pretty printed
   * @return        the JSON string
   */
public static <T> String toJsonString(T bean, boolean pretty) throws JsonGenerationException, JsonMappingException, IOException {
    JsonFactory jsonFactory = new JsonFactory(new ObjectMapper());
    StringWriter out = new StringWriter(1000);
    JsonGenerator jsonGenerator = jsonFactory.createJsonGenerator(out);
    if (pretty)
        jsonGenerator.useDefaultPrettyPrinter();
    jsonGenerator.writeObject(bean);
    out.flush();
    return out.toString();
}

Example 23 with JsonFactory

use of org.codehaus.jackson.JsonFactory in project databus by linkedin.

the class DbusEventAvroDecoder method dumpEventValueInJSON.

public void dumpEventValueInJSON(DbusEvent e, OutputStream out) {
    byte[] md5 = new byte[16];
    e.schemaId(md5);
    SchemaId schemaId = new SchemaId(md5);
    VersionedSchema sourceSchema = _schemaSet.getById(schemaId);
    ByteBuffer valueBuffer = e.value();
    byte[] valueBytes = new byte[valueBuffer.remaining()];
    valueBuffer.get(valueBytes);
    try {
        Schema schema = sourceSchema.getSchema();
        DatumReader<Object> reader = new GenericDatumReader<Object>(schema);
        binDecoder.set(DecoderFactory.defaultFactory().createBinaryDecoder(valueBytes, binDecoder.get()));
        Object datum = reader.read(null, binDecoder.get());
        DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
        JsonGenerator g = new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
        // write the src ID
        g.writeStartObject();
        g.writeFieldName(SRC_ID_FIELD_NAME);
        g.writeNumber(e.getSourceId());
        g.writeFieldName(OPCODE_FIELD_NAME);
        g.writeString(e.getOpcode().toString());
        g.writeFieldName("partId");
        g.writeNumber(Integer.valueOf(e.getPartitionId()));
        g.writeFieldName(VALUE_FIELD_NAME);
        writer.write(datum, new JsonEncoder(schema, g));
        g.writeEndObject();
        g.writeEndObject();
        try {
            g.writeEndObject();
        } catch (JsonGenerationException e_json) {
        // ignore the error as some how avro JsonEncoder may some times missing two }
        }
        g.flush();
    } catch (IOException e1) {
        LOG.error("event value serialization error; event = " + e, e1);
    }
}

Example 24 with JsonFactory

use of org.codehaus.jackson.JsonFactory in project pinot by linkedin.

the class JSONRecordReader method init.

@Override
public void init() throws Exception {
    final Reader reader = new FileReader(_dataFile);
    _parser = new JsonFactory().createJsonParser(reader);
    _iterator = new ObjectMapper().readValues(_parser, Map.class);
}

Example 25 with JsonFactory

use of org.codehaus.jackson.JsonFactory in project flink by apache.

the class DumpCompiledPlanTest method dump.

private void dump(Plan p) {
    p.setExecutionConfig(new ExecutionConfig());
    try {
        OptimizedPlan op = compileNoStats(p);
        PlanJSONDumpGenerator dumper = new PlanJSONDumpGenerator();
        String json = dumper.getOptimizerPlanAsJSON(op);
        JsonParser parser = new JsonFactory().createJsonParser(json);
        while (parser.nextToken() != null) ;
    } catch (JsonParseException e) {
        e.printStackTrace();
        Assert.fail("JSON Generator produced malformatted output: " + e.getMessage());
    } catch (Exception e) {
        e.printStackTrace();
        Assert.fail("An error occurred in the test: " + e.getMessage());
    }
}