com.fasterxml.jackson.core.JsonTokenId Java Examples

@Override
public Bean2 deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
	Bean2 bean2 = new Bean2();
	p.nextToken();
	do {
		String propName = p.getCurrentName();
		if (propName == null) {
			break;
		}
		if (p.getCurrentTokenId() != JsonTokenId.ID_FIELD_NAME && propName.equals("p1")) {
			bean2.setP1(p.getText());
		} else if (p.getCurrentTokenId() != JsonTokenId.ID_FIELD_NAME && propName.equals("p2")) {
			bean2.setP2(new BigDecimal(p.getText()));
		}
	} while (p.nextToken() != null);
	return bean2;
}
 

@Override
public Duration deserialize(JsonParser parser, DeserializationContext context) throws IOException {
    switch (parser.getCurrentTokenId()) {
        case JsonTokenId.ID_NUMBER_FLOAT:
            BigDecimal value = parser.getDecimalValue();
            long seconds = value.longValue();
            int nanoseconds = DecimalUtils.extractNanosecondDecimal(value, seconds);
            return Duration.ofSeconds(seconds, nanoseconds);

        case JsonTokenId.ID_NUMBER_INT:
            return Duration.ofSeconds(parser.getLongValue());

        case JsonTokenId.ID_STRING:
            String string = parser.getText().trim();
            if (string.length() == 0) {
                return null;
            }
            return Duration.parse(string);
    }
    throw context.mappingException("Expected type float, integer, or string.");
}
 

public LocalDate deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException {

        if (parser.hasTokenId(JsonTokenId.ID_STRING)) {
            String date = parser.getText().trim();

            if (date.isEmpty()) {
                return null;
            }

            return LocalDateTime.ofInstant(Instant.parse(date), ZoneOffset.UTC).toLocalDate();
        }

        return null;
    }
 

@Override
public Duration deserialize(JsonParser parser, DeserializationContext context) throws IOException
{
    switch (parser.currentTokenId())
    {
        case JsonTokenId.ID_NUMBER_FLOAT:
            BigDecimal value = parser.getDecimalValue();
            return DecimalUtils.extractSecondsAndNanos(value, Duration::ofSeconds);

        case JsonTokenId.ID_NUMBER_INT:
            if(context.isEnabled(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS)) {
                return Duration.ofSeconds(parser.getLongValue());
            }
            return Duration.ofMillis(parser.getLongValue());

        case JsonTokenId.ID_STRING:
            String string = parser.getText().trim();
            if (string.length() == 0) {
                if (!isLenient()) {
                    return _failForNotLenient(parser, context, JsonToken.VALUE_STRING);
                }
                return null;
            }
            try {
                return Duration.parse(string);
            } catch (DateTimeException e) {
                return _handleDateTimeException(context, e, string);
            }
        case JsonTokenId.ID_EMBEDDED_OBJECT:
            // 20-Apr-2016, tatu: Related to [databind#1208], can try supporting embedded
            //    values quite easily
            return (Duration) parser.getEmbeddedObject();
            
        case JsonTokenId.ID_START_ARRAY:
        	return _deserializeFromArray(parser, context);
    }
    return _handleUnexpectedToken(context, parser, JsonToken.VALUE_STRING,
            JsonToken.VALUE_NUMBER_INT, JsonToken.VALUE_NUMBER_FLOAT);
}
 

@Override
public LocalDateTime deserialize(JsonParser parser, DeserializationContext context) throws IOException {
    if (parser.hasTokenId(JsonTokenId.ID_STRING)) {
        String string = parser.getText().trim();
        if (string.length() == 0) {
            return null;
        }
        return LocalDateTime.parse(string, _formatter);
    }

    throw context.wrongTokenException(parser, JsonToken.START_ARRAY, "Expected array or string.");
}
 

@Override
public int getCurrentTokenId() {
    return currentToken == null
           ? JsonTokenId.ID_NO_TOKEN
           : currentToken.id();
}
 

@Override
public int getCurrentTokenId() {
    return currentToken == null
            ? JsonTokenId.ID_NO_TOKEN
            : currentToken.id();
}
 

@Override
public Object deserializeFromObject(JsonParser p, DeserializationContext ctxt) throws IOException {
    if (_nonStandardCreation || _needViewProcesing) {
        return super.deserializeFromObject(p, ctxt);
    }

    Object bean = null;

    if (p.hasTokenId(JsonTokenId.ID_FIELD_NAME)) {
        String propertyName = p.getCurrentName();
        do {
            p.nextToken();
            SettableBeanProperty property = _beanProperties.find(propertyName);

            if (property == null) {
                handleUnknownVanilla(p, ctxt, bean, propertyName);
                continue;
            }

            // lazily create the bean, the id property must be the first property
            if (bean == null) {
                if (propertyName.equals(_objectIdReader.propertyName.getSimpleName())) {

                    // deserialize id
                    Object id = property.deserialize(p, ctxt);

                    ReadableObjectId objectId = ctxt.findObjectId(id,
                            _objectIdReader.generator, _objectIdReader.resolver);

                    bean = objectId == null ? null : objectId.resolve();
                    if (bean == null) {
                        bean = _valueInstantiator.createUsingDefault(ctxt);
                        property.set(bean, id);
                    }
                } else {
                    bean = _valueInstantiator.createUsingDefault(ctxt);
                }
                p.setCurrentValue(bean);
            }
            property.deserializeAndSet(p, ctxt, bean);

        } while ((propertyName = p.nextFieldName()) != null);
    }

    return bean;
}
 

public void parseDocument(ElementHandler docHandler)
    throws IOException {

  push(docHandler);
  JsonToken tkn = parser.nextToken();
  while (null != tkn) {
    switch(tkn.id()) {
    case JsonTokenId.ID_START_OBJECT:
      ElementHandler newHandler = top().newObject();
      push(newHandler);
      break;
    case JsonTokenId.ID_END_OBJECT:
      ElementHandler endHandler = top();
      endHandler.endObject();
      pop();
      break;
    case JsonTokenId.ID_FIELD_NAME:
      ElementHandler fieldHandler = top();
      fieldHandler.fieldName(parser.getText());
      break;
    case JsonTokenId.ID_START_ARRAY:
      top().newArray();
      break;
    case JsonTokenId.ID_END_ARRAY:
      top().endArray();
      break;
    case JsonTokenId.ID_STRING:
      top().withString(parser.getText());
      break;
    case JsonTokenId.ID_NUMBER_INT:
      top().withBigInteger(parser.getBigIntegerValue());
      break;
    case JsonTokenId.ID_NUMBER_FLOAT:
      top().withBigDecimal(parser.getDecimalValue());
      break;
    case JsonTokenId.ID_TRUE:
      top().withBoolean(true);
      break;
    case JsonTokenId.ID_FALSE:
      top().withBoolean(false);
      break;
    case JsonTokenId.ID_NULL:
      top().withNull();
      break;
    default:
      PushJsonLogger.LOG.warn(fmtToken(tkn, parser.getText()));
      break;
    }

    // Keep going
    tkn = parser.nextToken();
  }
}
 

public LocalDateTime deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException {

        if (parser.hasTokenId(JsonTokenId.ID_STRING)) {
            String date = parser.getText().trim();

            if (date.isEmpty()) {
                return null;
            }

            return LocalDateTime.ofInstant(Instant.parse(date), ZoneOffset.UTC);

        }

        return null;
    }