Examples of org.codehaus.jackson.JsonNode

org.codehaus.jackson.JsonNode
Base class for all JSON nodes, which form the basis of JSON Tree Model that Jackson implements. One way to think of these nodes is to consider them similar to DOM nodes in XML DOM trees.
As a general design rule, most accessors ("getters") are included in this base class, to allow for traversing structure without type casts. Most mutators, however, need to be accessed through specific sub-classes (such as org.codehaus.jackson.node.ObjectNode and org.codehaus.jackson.node.ArrayNode). This seems sensible because proper type information is generally available when building or modifying trees, but less often when reading a tree (newly built from parsed JSON content).
Actual concrete sub-classes can be found from package {@link org.codehaus.jackson.node}, which is in 'mapper' jar (whereas this class is in 'core' jar, since it is declared as nominal type for operations in {@link ObjectCodec})

        String type = null;
        String idAsString = null;
        while (fieldNames.hasNext())
        {
            String fieldName = fieldNames.next();
            JsonNode fieldNode = parent.get(fieldName);
            if (fieldName.equals(ID))
            {
                idAsString = fieldNode.asText();
            }
            else if (fieldName.equals(TYPE))
            {
                type = fieldNode.asText();
            }
            else if (fieldNode.isArray())
            {
                // array containing either broker children or attribute values
                Iterator<JsonNode> elements = fieldNode.getElements();
                List<Object> fieldValues = null;
                while (elements.hasNext())
                {
                    JsonNode element = elements.next();
                    if (element.isObject())
                    {
                        Class<? extends ConfiguredObject> expectedChildConfiguredObjectClass = findExpectedChildConfiguredObjectClass(
                                fieldName, expectedConfiguredObjectClass);


                        // assuming it is a child node

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      (message+", at line "+token.beginLine+", column "+token.beginColumn);
  }


  private String getTextProp(String key, Map<String,JsonNode> props,
                             Token token) throws ParseException {
    JsonNode value = props.get(key);
    if (value.isTextual())
      return value.getTextValue();
    throw error(key+" property must be textual: "+value, token);
  }

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    throw error(key+" property must be textual: "+value, token);
  }


  private List<String> getTextProps(String key, Map<String,JsonNode> props,
                             Token token) throws ParseException {
    JsonNode value = props.get(key);
    if (!value.isArray())
      throw error(key+" property must be array: "+value, token);
    List<String> values = new ArrayList<String>();
    for (JsonNode n : value)
      if (n.isTextual())
        values.add(n.getTextValue());

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    throw new Error("Missing return statement in function");
  }


  final public void SchemaProperty(Map<String, JsonNode> properties) throws ParseException {
  String key;
  JsonNode val;
    jj_consume_token(AT);
    key = Identifier();
    jj_consume_token(LPAREN);
    val = Json();
    jj_consume_token(RPAREN);

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      type.addProp(key, getTextProp(key, props, token));
  }


  final public void VariableDeclarator(Schema type, List<Field> fields) throws ParseException {
  String name;
  JsonNode defaultValue = null;
  Map<String, JsonNode> props = new LinkedHashMap<String, JsonNode>();
    label_9:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case AT:

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    {if (true) return t;}
    throw new Error("Missing return statement in function");
  }


  final public JsonNode Json() throws ParseException {
  String s; Token t; JsonNode n;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case STRING_LITERAL:
      s = JsonString();
                     n = new TextNode(s);
      break;

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    }
  }


  final public void JsonPair(ObjectNode o) throws ParseException {
  String name;
  JsonNode value;
    name = JsonString();
    jj_consume_token(COLON);
    value = Json();
      o.put(name, value);
  }

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      {if (true) return a;}
    throw new Error("Missing return statement in function");
  }


  final public void JsonElements(ArrayNode a) throws ParseException {
  JsonNode element;
    element = Json();
                   a.add(element);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case COMMA:
      jj_consume_token(COMMA);

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    return parseLocationFromPath(locationField, "wfs").get(0);


  }
  
  private static List<String> parseLocationFromPath(String locationField, String path) throws JsonParseException{
    JsonNode rootNode = parseLocationField(locationField);
    JsonNode pathNode = rootNode.path(path);
    Set<String> url = new HashSet<String>();
    if (pathNode.isMissingNode()){
      
      throw new JsonParseException("The Object '" + path + "' could not be found.", null);
      
    } else if (pathNode.isArray()){
      
      ArrayNode urls = (ArrayNode) rootNode.path(path);
      for(JsonNode currentUrl: urls){
        url.add(currentUrl.getTextValue());
      }
      
    } else if (pathNode.isTextual()){
      url.add(pathNode.getTextValue());
    }


    if (url == null || url.isEmpty()){
      
      throw new JsonParseException("The Object '" + path + "' is empty.", null);

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    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();

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