Package org.codehaus.jackson

Examples of org.codehaus.jackson.JsonGenerator

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  @Override
  protected void writeInternal(Object object, HttpOutputMessage outputMessage)
      throws IOException, HttpMessageNotWritableException {

    JsonEncoding encoding = getJsonEncoding(outputMessage.getHeaders().getContentType());
    JsonGenerator jsonGenerator =
        this.objectMapper.getJsonFactory().createJsonGenerator(outputMessage.getBody(), encoding);

    // A workaround for JsonGenerators not applying serialization features
    // https://github.com/FasterXML/jackson-databind/issues/12
    if (this.objectMapper.getSerializationConfig().isEnabled(SerializationConfig.Feature.INDENT_OUTPUT)) {
      jsonGenerator.useDefaultPrettyPrinter();
    }

    try {
      if (this.prefixJson) {
        jsonGenerator.writeRaw("{} && ");
      }
      this.objectMapper.writeValue(jsonGenerator, object);
    }
    catch (JsonProcessingException ex) {
      throw new HttpMessageNotWritableException("Could not write JSON: " + ex.getMessage(), ex);
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  @Override
  protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
      HttpServletResponse response) throws Exception {

    Object value = filterModel(model);
    JsonGenerator generator =
        this.objectMapper.getJsonFactory().createJsonGenerator(response.getOutputStream(), this.encoding);
    if (this.prefixJson) {
      generator.writeRaw("{} && ");
    }
    this.objectMapper.writeValue(generator, value);
  }
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      HttpServletResponse response) throws Exception {

    OutputStream stream = this.updateContentLength ? createTemporaryOutputStream() : response.getOutputStream();

    Object value = filterModel(model);
    JsonGenerator generator = this.objectMapper.getJsonFactory().createJsonGenerator(stream, this.encoding);

    // A workaround for JsonGenerators not applying serialization features
    // https://github.com/FasterXML/jackson-databind/issues/12
    if (this.objectMapper.getSerializationConfig().isEnabled(SerializationConfig.Feature.INDENT_OUTPUT)) {
      generator.useDefaultPrettyPrinter();
    }

    if (this.prefixJson) {
      generator.writeRaw("{} && ");
    }
    this.objectMapper.writeValue(generator, value);

    if (this.updateContentLength) {
      writeToResponse(response, (ByteArrayOutputStream) stream);
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  @Override
  protected void writeInternal(Object object, HttpOutputMessage outputMessage)
      throws IOException, HttpMessageNotWritableException {

    JsonEncoding encoding = getJsonEncoding(outputMessage.getHeaders().getContentType());
    JsonGenerator jsonGenerator =
        this.objectMapper.getJsonFactory().createJsonGenerator(outputMessage.getBody(), encoding);
    try {
      if (this.prefixJson) {
        jsonGenerator.writeRaw("{} && ");
      }
      this.objectMapper.writeValue(jsonGenerator, object);
    }
    catch (JsonProcessingException ex) {
      throw new HttpMessageNotWritableException("Could not write JSON: " + ex.getMessage(), ex);
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      response.setContentType("application/json; charset=utf8");

      PrintWriter writer = response.getWriter();

      JsonFactory jsonFactory = new JsonFactory();
      JsonGenerator jg = jsonFactory.createJsonGenerator(writer);
      jg.useDefaultPrettyPrinter();
      jg.writeStartObject();
      if (mBeanServer == null) {
        jg.writeStringField("result", "ERROR");
        jg.writeStringField("message", "No MBeanServer could be found");
        jg.close();
        LOG.error("No MBeanServer could be found.");
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
      }
     
      // query per mbean attribute
      String getmethod = request.getParameter("get");
      if (getmethod != null) {
        String[] splitStrings = getmethod.split("\\:\\:");
        if (splitStrings.length != 2) {
          jg.writeStringField("result", "ERROR");
          jg.writeStringField("message", "query format is not as expected.");
          jg.close();
          response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
          return;
        }
        listBeans(jg, new ObjectName(splitStrings[0]), splitStrings[1],
            response);
        jg.close();
        return;
      }

      // query per mbean
      String qry = request.getParameter("qry");
      if (qry == null) {
        qry = "*:*";
      }
      listBeans(jg, new ObjectName(qry), null, response);
      jg.close();

    } catch ( IOException e ) {
      LOG.error("Caught an exception while processing JMX request", e);
      response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    } catch ( MalformedObjectNameException e ) {
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   * @throws IOException
   */
  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();
        dumpGenerator.writeStringField("key", (String) item.getKey());
        dumpGenerator.writeStringField("value",
                                       config.get((String) item.getKey()));
        dumpGenerator.writeBooleanField("isFinal",
                                        config.finalParameters.contains(item.getKey()));
        dumpGenerator.writeStringField("resource",
                                       config.updatingResource.get(item.getKey()));
        dumpGenerator.writeEndObject();
      }
    }
    dumpGenerator.writeEndArray();
    dumpGenerator.writeEndObject();
    dumpGenerator.flush();
  }
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    public static String toString(JsonParser parser) {
        try {
            JsonFactory jsonFactory = getJsonFactory();
            StringWriter sw = new StringWriter();
            JsonGenerator generator = jsonFactory.createJsonGenerator(sw);
            JsonNode node = parser.readValueAs(JsonNode.class);
            generator.writeTree(node);
            return sw.toString();
        } catch (IOException e) {
            throw new IllegalArgumentException(e);
        }
    }
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    }

    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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   * @param pretty if true, pretty-print JSON.
   */
  public String toString(boolean pretty) {
    try {
      StringWriter writer = new StringWriter();
      JsonGenerator gen = FACTORY.createJsonGenerator(writer);
      if (pretty) gen.useDefaultPrettyPrinter();
      toJson(new Names(), gen);
      gen.flush();
      return writer.toString();
    } catch (IOException e) {
      throw new AvroRuntimeException(e);
    }
  }
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