Examples of org.codehaus.jackson.map.ObjectMapper.readTree()

Class org.codehaus.jackson.map.ObjectMapper

Examples of org.codehaus.jackson.map.ObjectMapper.readTree()

org.codehaus.jackson.map.ObjectMapper.readTree()
Method to deserialize Json content as tree expressed using set of {@link JsonNode} instances. Returnsroot of the resulting tree (where root can consist of just a single node if the current event is a value event, not container).

      while ((line = in.readLine()) != null) {
        builder.append(line);
      }
      in.close();
      ObjectMapper mapper = new ObjectMapper();
      JsonNode json = mapper.readTree(builder.toString());
      return mapper.writer().writeValueAsString(json);
    }


    private static void writeFile(File f, String s) throws IOException {
      FileWriter w = new FileWriter(f);

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    JsonFactory factory = new JsonFactory();
    JsonParser parser = factory.createJsonParser(json);
    ObjectMapper mapper = new ObjectMapper();


    // will throw exception if string is not parsable json
    mapper.readTree(parser);
  }


}

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    JsonFactory factory = new JsonFactory();
    JsonParser parser = factory.createJsonParser(json);
    ObjectMapper mapper = new ObjectMapper();
    
    // will throw exception if string is not parsable json
    mapper.readTree(parser);
  }


  @Test public void testToStringDoesNotEscapeForwardSlash() throws Exception {
    GenericData data = GenericData.get();
    assertEquals("\"/\"", data.toString("/"));

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    JsonFactory factory = new JsonFactory();
    JsonParser parser = factory.createJsonParser(json);
    ObjectMapper mapper = new ObjectMapper();
    
    // will throw exception if string is not parsable json
    mapper.readTree(parser);
  }


  @Test
  public void testCompare() {
    // Prepare a schema for testing.

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    ResourceScheduler rms = mrCluster.getResourceManager()
                                                   .getResourceScheduler();
    RMNMInfo rmInfo = new RMNMInfo(rmc,rms);
    String liveNMs = rmInfo.getLiveNodeManagers();
    ObjectMapper mapper = new ObjectMapper();
    JsonNode jn = mapper.readTree(liveNMs);
    Assert.assertEquals("Unexpected number of live nodes:",
                                               NUMNODEMANAGERS, jn.size());
    Iterator<JsonNode> it = jn.iterator();
    while (it.hasNext()) {
      JsonNode n = it.next();

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    when(rmc.getRMNodes()).thenReturn(map);
    
    RMNMInfo rmInfo = new RMNMInfo(rmc,rms);
    String liveNMs = rmInfo.getLiveNodeManagers();
    ObjectMapper mapper = new ObjectMapper();
    JsonNode jn = mapper.readTree(liveNMs);
    Assert.assertEquals("Unexpected number of live nodes:",
                                               1, jn.size());
    Iterator<JsonNode> it = jn.iterator();
    while (it.hasNext()) {
      JsonNode n = it.next();

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  public StatePair deserialize(JsonParser parser, 
                               DeserializationContext context)
  throws IOException, JsonProcessingException {
    ObjectMapper mapper = (ObjectMapper) parser.getCodec();
    // set the state-pair object tree
    ObjectNode statePairObject = (ObjectNode) mapper.readTree(parser);
    Class<?> stateClass = null;
    
    try {
      stateClass = 
        Class.forName(statePairObject.get("className").getTextValue().trim());

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        String result = mapper.writeValueAsString(cop);
        System.out.println(result);
        System.out.flush();


        JsonNode node = mapper.readTree(result);


        assert node.has("operation");
        assert !node.get("operation").isNull() : "Operations was null, but should not be " + result;
        assert node.get("operation").getTextValue().equals("composite") : node;

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            ObjectMapper objectMapper = new ObjectMapper();
            InputStream responseBodyAsStream = uploadResponse.getEntity().getContent();
            if (responseBodyAsStream == null) {
                LOG.warn("POST request has no response body");
                return objectMapper.readTree(EMPTY_JSON_TREE);
            }
            return objectMapper.readTree(responseBodyAsStream);


        } catch (Exception e) {
            LOG.error(e);

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            InputStream responseBodyAsStream = uploadResponse.getEntity().getContent();
            if (responseBodyAsStream == null) {
                LOG.warn("POST request has no response body");
                return objectMapper.readTree(EMPTY_JSON_TREE);
            }
            return objectMapper.readTree(responseBodyAsStream);


        } catch (Exception e) {
            LOG.error(e);
            return null;
        } finally {

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