Package org.apache.avro.io

Examples of org.apache.avro.io.JsonEncoder

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      out.print(message.getName());
      out.print("\t");
      try {
        JsonGenerator jsonGenerator = new JsonFactory().createJsonGenerator(
            out, JsonEncoding.UTF8);
        JsonEncoder jsonEncoder = new JsonEncoder(message.getRequest(), jsonGenerator);

        GenericDatumWriter<Object> writer = new GenericDatumWriter<Object>(
            message.getRequest());
        writer.write(request, jsonEncoder);
        jsonGenerator.flush();
        jsonEncoder.flush();
        out.flush();
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
      out.println();
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    DataFileReader<Object> fileReader =
      new DataFileReader<Object>(new File(args.get(0)), reader);
    try {
      Schema schema = fileReader.getSchema();
      DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
      Encoder encoder = new JsonEncoder(schema, (JsonGenerator)null);
      for (Object datum : fileReader) {
        // init() recreates the internal Jackson JsonGenerator
        encoder.init(out);
        writer.write(datum, encoder);
        encoder.flush();
        out.println();
      }
      out.flush();
    } finally {
      fileReader.close();
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          DecoderFactory.defaultFactory().createBinaryDecoder(input, null));
      DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
      JsonGenerator g =
        new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
      g.useDefaultPrettyPrinter();
      writer.write(datum, new JsonEncoder(schema, g));
      g.flush();
      out.println();
      out.flush();
    } finally {
      if (needsClosing) {
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  throws IOException {
    DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
    JsonGenerator g =
      new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
    g.useDefaultPrettyPrinter();
    writer.write(datum, new JsonEncoder(schema, g));
    g.flush();
    out.println();
    out.flush();
  }
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    FileReader<Object> fileReader =
      DataFileReader.openReader(new File(args.get(0)), reader);
    try {
      Schema schema = fileReader.getSchema();
      DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
      JsonEncoder encoder = EncoderFactory.get().jsonEncoder(schema, out);
      for (Object datum : fileReader)
        writer.write(datum, encoder);
      encoder.flush();
      out.println();
      out.flush();
    } finally {
      fileReader.close();
    }
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      out.print(message.getName());
      out.print("\t");
      try {
        JsonGenerator jsonGenerator = new JsonFactory().createJsonGenerator(
            out, JsonEncoding.UTF8);
        JsonEncoder jsonEncoder = EncoderFactory.get().jsonEncoder(message.getRequest(), jsonGenerator);

        GenericDatumWriter<Object> writer = new GenericDatumWriter<Object>(
            message.getRequest());
        writer.write(request, jsonEncoder);
        jsonGenerator.flush();
        jsonEncoder.flush();
        out.flush();
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
      out.println();
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    //
    if (jsonDataFile != null) {
      Schema schema = typeTree.getAvroSchema();
      GenericDatumWriter jsonGDWriter = new GenericDatumWriter(schema);     
      BufferedOutputStream outJson = new BufferedOutputStream(fs2.create(jsonDataFile));
      JsonEncoder encoder = EncoderFactory.get().jsonEncoder(schema, outJson);
      try {
        in = new BufferedReader(new InputStreamReader(fs.open(p)));
        try {
          String str = in.readLine();
          while (str != null) {
            GenericContainer gct = typeTree.parse(str);

            if (gct != null) {
              jsonGDWriter.write(gct, encoder);
            }
            str = in.readLine();
          }     
        } finally {
          in.close();
        }
      } finally {
        encoder.flush();
        outJson.close();
      }
    }

    if (avroDataFile != null) {
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  }

  @Override
  public Encoder createJsonEncoder(Schema schema, OutputStream outputStream) throws IOException
  {
    Encoder jsonEncoder = new JsonEncoder(schema, outputStream);
    return jsonEncoder;
  }
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  @Test
  public void testResolveUnion() throws IOException {
    final SpecificDatumWriter<TestRecordWithUnion> writer = new SpecificDatumWriter<TestRecordWithUnion>();
    Schema schema = TestRecordWithUnion.SCHEMA$;
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    JsonEncoder encoder = EncoderFactory.get().jsonEncoder(schema, out);

    writer.setSchema(schema);

    TestRecordWithUnion c = TestRecordWithUnion.newBuilder().
      setKind(Kind.BAR).setValue("rab").build();
    writer.write(c, encoder);
    encoder.flush();
    out.close();

    String expectedJson = String.format(
        "{'kind':{'org.apache.avro.test.Kind':'%s'},'value':{'string':'%s'}}",
        c.getKind().toString(), c.getValue()).replace('\'', '"');
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    FileReader<Object> fileReader =
      DataFileReader.openReader(Util.openSeekableFromFS(nargs.get(0)), reader);
    try {
      Schema schema = fileReader.getSchema();
      DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
      JsonEncoder encoder = EncoderFactory.get().jsonEncoder(schema, out, pretty);
      for (Object datum : fileReader)
        writer.write(datum, encoder);
      encoder.flush();
      out.println();
      out.flush();
    } finally {
      fileReader.close();
    }
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