Examples of org.codehaus.jackson.map.ObjectMapper

org.codehaus.jackson.map.ObjectMapper
This mapper (or, data binder, or codec) provides functionality for conversting between Java objects (instances of JDK provided core classes, beans), and matching JSON constructs. It will use instances of {@link JsonParser} and {@link JsonGenerator}for implementing actual reading/writing of JSON.
The main conversion API is defined in {@link ObjectCodec}, so that implementation details of this class need not be exposed to streaming parser and generator classes.
Note on caching: root-level deserializers are always cached, and accessed using full (generics-aware) type information. This is different from caching of referenced types, which is more limited and is done only for a subset of all deserializer types. The main reason for difference is that at root-level there is no incoming reference (and hence no referencing property, no referral information or annotations to produce differing deserializers), and that the performance impact greatest at root level (since it'll essentially cache the full graph of deserializers involved).

    CheckpointMult cpMultCopy = new CheckpointMult(serialCpMult);
    assertNull(cpMultCopy.getCursorPartition());


    // Make sure we are able to decode it, however.


    ObjectMapper mapper = new ObjectMapper();
    Map<String, String> map = mapper.readValue(
        new ByteArrayInputStream(serialCpMult.getBytes(Charset.defaultCharset())), new TypeReference<Map<String, String>>(){});
    map.put("NonJsonKey", "Some value");
    map.put("cursorPartition", ppart.toJsonString());
    ByteArrayOutputStream bs = new ByteArrayOutputStream();
    mapper.writeValue(bs, map);
    cpMultCopy = new CheckpointMult(bs.toString());


    assertEquals(cpMultCopy.getCursorPartition(), ppart);
  }

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  public D loadConfigFromJson(Reader jsonReader) throws InvalidConfigException
  {
    D newConfig = null;
  try
  {
    ObjectMapper _jsonMapper = new ObjectMapper();
    Map<?, ?> jsonMap = _jsonMapper.readValue(jsonReader, new TypeReference<Map<?, ?>>(){});
    synchronized (_configBuilder)
      {
        fillBeanFromMap(_configBuilder, jsonMap);
      }

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   */
  public static DbusKeyFilter parseDbusKeyFilter(String s)
    throws JSONException, IOException
  {
    JSONObject obj = new JSONObject(s);
    ObjectMapper mapper = new ObjectMapper();


    return getDbusKeyFilter(obj, mapper);
  }

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  {
    HashMap<Long,DbusKeyFilter> filterConfigMap = new HashMap<Long,DbusKeyFilter>();


    HashMap<Long, JSONObject> genericMap = new HashMap<Long,JSONObject>();


    ObjectMapper mapper = new ObjectMapper();


      try
      {
        JSONObject obj2 = new JSONObject(s);
        Iterator<String> itr = obj2.keys();

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    locationField.replaceAll("(?i)\"serviceStart\"", "\"serviceStart\"");
    locationField.replaceAll("(?i)\"download\"", "\"fileDownload\"");
    locationField.replaceAll("(?i)\"fileDownload\"", "\"fileDownload\"");
    locationField.replaceAll("(?i)\"tilecache\"", "\"tilecache\"");


    ObjectMapper mapper = new ObjectMapper();
    JsonNode rootNode = null;
    try {
      rootNode = mapper.readTree(locationField);
    } catch (JsonProcessingException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block

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        {
          //Thread.currentThread().sleep(_timeout);
        }
        if(_returnSCN)
        {
          ObjectMapper mapper = new ObjectMapper();
          StringWriter sw = new StringWriter();
          mapper.writeValue(sw, bfResponse);


          HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
          response.setContent(ChannelBuffers.copiedBuffer(sw.toString(), CharsetUtil.UTF_8));
          response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
          e.getChannel().write(response);

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    for ( int i = 0; i < passedEvents.size(); i++ )
    {
      assertEquals("Failed Element " + i, expFailedEvents.get(i), failedEvents.get(i));
    }


    ObjectMapper objMapper = new ObjectMapper();
    String objStr = objMapper.writeValueAsString(filter.getFilterMap());


    System.out.println("CompositeKeyFilter :" + objStr);


    Map<Long, DbusKeyFilter> map2 = KeyFilterConfigJSONFactory.parseSrcIdFilterConfigMap(objStr);
    String objStr2 = objMapper.writeValueAsString(filter.getFilterMap());


    System.out.println("CompositeKeyFilter2 :" + objStr2);
    assertEquals("CompositeKeys: JSON Serialization Test", objStr, objStr2);


    //String objStr3 = "{\"filterMap\":{\"40\":{\"partitionType\":\"RANGE\",\"filters\":[{\"keyRange\":{\"start\":100,\"end\":200}},{\"keyRange\":{\"start\":300,\"end\":500}},{\"keyRange\":{\"start\":100,\"end\":200}},{\"keyRange\":{\"start\":300,\"end\":500}}]}}}";

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    for ( int i = 0; i < passedEvents.size(); i++ )
    {
      assertEquals("Passed Element " + i, dbusEvents.get(i), passedEvents.get(i));
    }


    ObjectMapper objMapper = new ObjectMapper();
    String objStr = objMapper.writeValueAsString(filter);


    System.out.println("KeyFilter :" + objStr);


    DbusKeyFilter filter2 = KeyFilterConfigJSONFactory.parseDbusKeyFilter(objStr);
    String objStr2 = objMapper.writeValueAsString(filter2);


    System.out.println("KeyFilter2 :" + objStr2);
    assertEquals("KeyNoneFilter: JSON Serialization Test", objStr, objStr2);
  }

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  }


  private boolean populateBootstrapRequestUrl(StringBuilder uriString)
  {
    boolean error = false;
    ObjectMapper objMapper = new ObjectMapper();
    String filterStr = null;


    if ( null != _filter)
    {
      try
      {
        filterStr = objMapper.writeValueAsString(_filter);
      } catch( Exception ex) {
        LOG.error("Got exception while serializing filter. Filter was : " + _filter, ex);
        error = true;
        onRequestFailure(uriString.toString(), ex);
      }

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    for (int i = 0; i < passedEvents.size(); ++i)
    {
      assertEquals("Failed Element " + i, expFailedEvents.get(i), failedEvents.get(i));
    }


    ObjectMapper objMapper = new ObjectMapper();
    String objStr = objMapper.writeValueAsString(filter);


    System.out.println("KeyModFilter :" + objStr);


    DbusKeyFilter filter2 = KeyFilterConfigJSONFactory.parseDbusKeyFilter(objStr);
    String objStr2 = objMapper.writeValueAsString(filter2);


    System.out.println("KeyModFilter2 :" + objStr2);
    assertEquals("KeyModFilter JSON Serialization Test", objStr, objStr2);
  }

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