Example usage for com.fasterxml.jackson.core TreeNode size

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core TreeNode size.

Prototype

int size();

Source Link

Document

Method that returns number of child nodes this node contains: for Array nodes, number of child elements, for Object nodes, number of fields, and for all other nodes 0.

Usage

From source file:com.anrisoftware.simplerest.oanda.rest.AbstractInstrumentHistory.java

private Collection<T> parseResponseList0(ObjectMapper mapper, JsonParser parser)
        throws IOException, JsonParseException, JsonMappingException {
    TreeNode tree = parser.readValueAsTree();
    TreeNode candlesNode = tree.get(CANDLES_NAME);
    int size = candlesNode.size();
    TreeNode node;//w w  w.  jav a  2s  .  com
    for (int i = 0; i < size; i++) {
        node = candlesNode.get(i);
        T obj = mapper.readValue(node.traverse(), candleType);
        log.parsedInstrumentHistory(obj);
        container.add(obj);
    }
    return container;
}

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From source file:org.springframework.social.weibo.api.impl.json.TrendsDeserializer.java

@Override
public SortedSet<Trends> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    SimpleDateFormat dateFormat = new SimpleDateFormat();
    TreeSet<Trends> result = new TreeSet<Trends>(comparator);
    TreeNode treeNode = jp.readValueAsTree();

    Iterator<String> fieldNames = treeNode.fieldNames();

    while (fieldNames.hasNext()) {
        Trends trends = new Trends();
        try {/*  w  ww.ja v a 2  s.co  m*/
            String filedName = fieldNames.next();
            dateFormat.applyPattern(retrieveDateFormatPattern(filedName));
            trends.setDate(dateFormat.parse(filedName));
            TreeNode trendsNode = treeNode.get(filedName);
            if (trendsNode.isArray()) {
                for (int i = 0; i < trendsNode.size(); i++) {
                    JsonParser nodeParser = trendsNode.get(i).traverse();
                    nodeParser.setCodec(jp.getCodec());
                    Trend readValueAs = nodeParser.readValueAs(Trend.class);
                    trends.getTrends().add(readValueAs);
                }
            }
            result.add(trends);
        } catch (ParseException e) {
            logger.warn("Unable to parse date", e);
        }
    }

    return result;
}

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