Examples of org.codehaus.jackson.JsonGenerator.writeFieldName()

Class org.codehaus.jackson.JsonGenerator

Examples of org.codehaus.jackson.JsonGenerator.writeFieldName()

org.codehaus.jackson.JsonGenerator.writeFieldName()
Method for writing a field name (JSON String surrounded by double quotes: syntactically identical to a JSON String value), possibly decorated by white space if pretty-printing is enabled.
Field names can only be written in Object context (check out JSON specification for details), when field name is expected (field names alternate with values).

            // if no Object users are able to pass a string content
            byte[] bytes = request.getObject() != null
                ? request.getSerializer().serialize( request.getObject() )
                : request.getCacheContent();


            g.writeFieldName( DirectMemoryConstants.CACHE_CONTENT_FIELD_NAME );
            g.writeBinary( bytes );


            if ( serializer != null )
            {
                g.writeStringField( DirectMemoryConstants.SERIALIZER_FIELD_NAME, serializer.getClass().getName() );

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            g.writeStringField( DirectMemoryConstants.KEY_FIELD_NAME, response.getKey() );


            if ( response.getCacheContent() != null && response.getCacheContent().length > 0 )
            {
                g.writeFieldName( DirectMemoryConstants.CACHE_CONTENT_FIELD_NAME );
                g.writeBinary( response.getCacheContent() );
            }


            g.writeEndObject();
            g.close();

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        try {
            final ByteArrayOutputStream out = new ByteArrayOutputStream();
            final JsonGenerator generator = objectMapper.getJsonFactory().createJsonGenerator(out);
            generator.writeStartObject();


            generator.writeFieldName("attribute");
            generator.writeString(attribute);


            generator.writeFieldName("samples");
            generator.writeStartArray();

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            generator.writeStartObject();


            generator.writeFieldName("attribute");
            generator.writeString(attribute);


            generator.writeFieldName("samples");
            generator.writeStartArray();


            if (samples != null) {
                final ConcurrentMap<Object, Object> samplesForType = samples.asMap();

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      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()));

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      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);

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      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();

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      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();

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  public static void dumpConfiguration(Configuration config,
      Writer out) throws IOException {
    JsonFactory dumpFactory = new JsonFactory();
    JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
    dumpGenerator.writeStartObject();
    dumpGenerator.writeFieldName("properties");
    dumpGenerator.writeStartArray();
    dumpGenerator.flush();
    synchronized (config) {
      for (Map.Entry<Object,Object> item: config.getProps().entrySet()) {
        dumpGenerator.writeStartObject();

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  public static void dumpConfiguration(Configuration config,
      Writer out) throws IOException {
    JsonFactory dumpFactory = new JsonFactory();
    JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
    dumpGenerator.writeStartObject();
    dumpGenerator.writeFieldName("properties");
    dumpGenerator.writeStartArray();
    dumpGenerator.flush();
    synchronized (config) {
      for (Map.Entry<Object,Object> item: config.getProps().entrySet()) {
        dumpGenerator.writeStartObject();

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