Examples of org.codehaus.jackson.JsonFactory

org.codehaus.jackson.JsonFactory
The main factory class of Jackson package, used to configure and construct reader (aka parser, {@link JsonParser}) and writer (aka generator, {@link JsonGenerator}) instances.
Factory instances are thread-safe and reusable after configuration (if any). Typically applications and services use only a single globally shared factory instance, unless they need differently configured factories. Factory reuse is important if efficiency matters; most recycling of expensive construct is done on per-factory basis.
Creation of a factory instance is a light-weight operation, and since there is no need for pluggable alternative implementations (as there is no "standard" JSON processor API to implement), the default constructor is used for constructing factory instances. @author Tatu Saloranta

        }
    }


    public static void write(JsonNode node, OutputStream out) {
        try {
            JsonFactory jsonFactory = getJsonFactory();
            JsonGenerator generator = jsonFactory.createJsonGenerator(out, JsonEncoding.UTF8);
            generator.writeTree(node);
        } catch (IOException e) {
            throw new IllegalArgumentException(e);
        }
    }

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        }
    }


    public static void write(JsonParser parser, OutputStream out) {
        try {
            JsonFactory jsonFactory = getJsonFactory();
            JsonGenerator generator = jsonFactory.createJsonGenerator(out, JsonEncoding.UTF8);
            JsonNode node = parser.readValueAs(JsonNode.class);
            generator.writeTree(node);
        } catch (IOException e) {
            throw new IllegalArgumentException(e);
        }

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        return INSTANCE;
    }


    private DirectMemoryWriter()
    {
        this.jsonFactory = new JsonFactory();
    }

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    private static DirectMemoryParser INSTANCE = new DirectMemoryParser();




    private DirectMemoryParser()
    {
        this.jsonFactory = new JsonFactory();
    }

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      }
    }


    StringWriter sw = new StringWriter();
    try {
      JsonFactory f = new JsonFactory();
      JsonGenerator g = f.createJsonGenerator(sw);


      g.writeStartObject();


      // write id field
      g.writeRaw("\n  ");

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    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ZNRecord record = null;


    try {
      JsonFactory f = new JsonFactory();
      JsonParser jp = f.createJsonParser(bais);


      jp.nextToken(); // will return JsonToken.START_OBJECT (verify?)
      while (jp.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = jp.getCurrentName();
        jp.nextToken(); // move to value, or START_OBJECT/START_ARRAY

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        try {
            avroDatastream = getAvroDataStream(fs, path);
            Schema schema = avroDatastream.getSchema();
            DatumWriter<Object> avroWriter = new GenericDatumWriter<Object>(schema);


            JsonGenerator g = new JsonFactory().createJsonGenerator(outputStream, JsonEncoding.UTF8);
            g.useDefaultPrettyPrinter();
            Encoder encoder = new JsonEncoder(schema, g);


            int lineno = 1; // line number starts from 1
            while(avroDatastream.hasNext() && lineno <= endLine) {

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                        @Override
                        public void writeTo(BufferedWriter out) throws IOException {


                            while(keyIterator.hasNext()) {
                                final JsonGenerator generator = new JsonFactory(new ObjectMapper()).createJsonGenerator(out);


                                byte[] keyBytes = keyIterator.next().get();
                                Object keyObject = serializer.toObject((null == keysCompressionStrategy) ? keyBytes
                                                                                                        : keysCompressionStrategy.inflate(keyBytes));

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                        @Override
                        public void writeTo(BufferedWriter out) throws IOException {


                            while(entryIterator.hasNext()) {
                                final JsonGenerator generator = new JsonFactory(new ObjectMapper()).createJsonGenerator(out);
                                Pair<ByteArray, Versioned<byte[]>> kvPair = entryIterator.next();
                                byte[] keyBytes = kvPair.getFirst().get();
                                byte[] valueBytes = kvPair.getSecond().getValue();
                                VectorClock version = (VectorClock) kvPair.getSecond().getVersion();

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                out.write(prefix + "_TEXT\n====================================\n");
                if(inputObject instanceof GenericRecord) {
                    out.write(inputObject.toString());
                } else {
                    new JsonFactory(new ObjectMapper()).createJsonGenerator(out)
                                                       .writeObject(inputObject);
                }
                out.write("\n====================================\n\n");
            } catch(SerializationException e) {}

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