Example usage for com.fasterxml.jackson.core JsonParser nextToken

List of usage examples for com.fasterxml.jackson.core JsonParser nextToken

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser nextToken.

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:de.upb.wdqa.wdvd.datamodel.oldjson.jackson.wdtk.ModifiedMapDeserializer.java

@SuppressWarnings("unchecked")
@Override//from   w w w  .  ja  v a 2  s.  c o  m
public Map<K, V> deserialize(JsonParser p, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    Map<K, V> result = null;
    if (p.getCurrentToken().equals(JsonToken.START_ARRAY)) {
        result = new HashMap<>();
        p.nextToken();
        if (!p.getCurrentToken().equals(JsonToken.END_ARRAY)) {
            logger.warn("Array was not empty. Current token: " + p.getCurrentToken());
        }
    } else {
        Object tmp = defaultDeserializer.deserialize(p, ctxt);
        result = (Map<K, V>) tmp;
    }
    return result;
}

From source file:ninja.leaping.configurate.json.JSONConfigurationLoader.java

private void parseObject(JsonParser parser, ConfigurationNode node) throws IOException {
    JsonToken token;/*ww w. ja va2 s .com*/
    while ((token = parser.nextToken()) != null) {
        switch (token) {
        case END_OBJECT:
            return;
        default:
            parseValue(parser, node.getChild(parser.getCurrentName()));
        }
    }
    throw new JsonParseException("Reached end of stream with unclosed array!", parser.getCurrentLocation());
}

From source file:org.emfjson.jackson.databind.deser.EMapDeserializer.java

@Override
@SuppressWarnings("unchecked")
public EList<Map.Entry<?, ?>> deserialize(JsonParser jp, DeserializationContext ctxt,
        EList<Map.Entry<?, ?>> intoValue) throws IOException {
    final EReference reference = EMFContext.getReference(ctxt);

    if (jp.getCurrentToken() == JsonToken.START_OBJECT) {

        while (jp.nextToken() != JsonToken.END_OBJECT) {
            final String key = jp.getCurrentName();
            jp.nextToken();/*from  w  ww  .jav  a2s  . c  om*/

            final Object value;
            if (jp.getCurrentToken() == JsonToken.START_OBJECT) {
                value = ctxt.readValue(jp, EObject.class);
            } else {
                value = ctxt.readValue(jp, Object.class);
            }

            // Dynamic objects do not use the EMap interface
            // but store entries in a DynamicEList instead.
            if (intoValue instanceof EMap) {
                ((EMap) intoValue).put(key, value);
            } else if (reference != null) {
                intoValue
                        .add((Map.Entry<?, ?>) EObjects.createEntry(key, value, reference.getEReferenceType()));
            }
        }
    }

    return intoValue;
}

From source file:ninja.leaping.configurate.json.JSONConfigurationLoader.java

private void parseArray(JsonParser parser, ConfigurationNode node) throws IOException {
    JsonToken token;/*from w w  w  .ja  va2  s  . c om*/
    while ((token = parser.nextToken()) != null) {
        switch (token) {
        case END_ARRAY:
            return;
        default:
            parseValue(parser, node.getAppendedChild());
        }
    }
    throw new JsonParseException("Reached end of stream with unclosed array!", parser.getCurrentLocation());

}

From source file:org.tanrabad.survey.service.json.MultiPolygonTypeConverter.java

private Location getLocation(JsonParser jsonParser) throws IOException {
    Location value3;/* ww  w  .  java 2 s . c o  m*/
    if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) {
        ArrayList<Double> point = new ArrayList<>();
        while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
            Double coordinate;
            coordinate = jsonParser.getCurrentToken() == JsonToken.VALUE_NULL ? null
                    : jsonParser.getValueAsDouble();
            point.add(coordinate);
        }
        value3 = new Location(point.get(1), point.get(0));
    } else {
        value3 = null;
    }
    return value3;
}

From source file:com.ryan.ryanreader.jsonwrap.JsonBufferedArray.java

@Override
protected void buildBuffered(final JsonParser jp) throws IOException {

    JsonToken jt;/*from  w w w.j ava 2 s  . c o m*/

    while ((jt = jp.nextToken()) != JsonToken.END_ARRAY) {

        final JsonValue value = new JsonValue(jp, jt);

        synchronized (this) {
            contents.add(value);
            items++;
            notifyAll();
        }

        value.buildInThisThread();
    }
}

From source file:org.emfjson.jackson.databind.deser.EObjectDeserializer.java

protected EObject postDeserialize(TokenBuffer buffer, EObject object, EClass defaultType,
        DeserializationContext ctxt) throws IOException {
    if (object == null && defaultType == null) {
        return null;
    }//from w  w w  .j a  v  a 2s .co m

    if (object == null) {
        object = EcoreUtil.create(defaultType);
    }

    final Resource resource = getResource(ctxt);
    final JsonParser jp = buffer.asParser();
    final EObjectPropertyMap propertyMap = builder.construct(object.eClass());

    while (jp.nextToken() != null) {
        final String field = jp.getCurrentName();
        final EObjectProperty property = propertyMap.findProperty(field);

        if (property != null) {
            property.deserializeAndSet(jp, object, ctxt, resource);
        } else {
            handleUnknownProperty(jp, resource, ctxt);
        }
    }
    jp.close();
    buffer.close();
    return object;
}

From source file:com.sdl.odata.unmarshaller.json.core.JsonProcessor.java

/**
 * Initialize processor, automatically scanning the input JSON.
 * @throws ODataUnmarshallingException If unable to initialize
 *///from   www  .ja  v  a 2s  . c om
public void initialize() throws ODataUnmarshallingException {
    LOG.info("Parser is initializing");
    try {
        JsonParser jsonParser = JSON_FACTORY.createParser(inputJson);

        while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
            String token = jsonParser.getCurrentName();
            if (token != null) {
                if (token.startsWith(ODATA)) {
                    processSpecialTags(jsonParser);
                } else if (token.endsWith(ODATA_BIND)) {
                    processLinks(jsonParser);
                } else {
                    process(jsonParser);
                }
            }
        }
    } catch (IOException e) {
        throw new ODataUnmarshallingException("It is unable to unmarshall", e);
    }
}

From source file:org.mashti.jetson.json.JsonResponseDecoder.java

protected FutureResponse decode(final ChannelHandlerContext context, final ByteBuf in) throws RPCException {

    JsonParser parser = null;
    FutureResponse future_response = null;
    try {//  w  w w .  ja v a2 s .c om
        parser = json_factory.createParser(new ByteBufInputStream(in));
        parser.nextToken();
        final Integer id = validateAndReadResponseId(parser);
        future_response = getFutureResponseById(context, id);
        readAndValidateVersion(parser);

        final Type expected_return_type = future_response.getMethod().getGenericReturnType();
        setResponseResultOrError(parser, future_response,
                ((ParameterizedType) expected_return_type).getActualTypeArguments()[0]);
        parser.nextToken();
    } catch (final JsonParseException e) {
        LOGGER.debug("failed to parse response", e);

        checkFutureResponse(future_response);
        future_response.completeExceptionally(new InvalidResponseException(e));
    } catch (final JsonGenerationException e) {
        LOGGER.debug("failed to generate response", e);

        checkFutureResponse(future_response);
        future_response.completeExceptionally(new InternalServerException(e));
    } catch (final IOException e) {
        LOGGER.debug("IO error occurred while decoding response", e);

        checkFutureResponse(future_response);
        future_response.completeExceptionally(new TransportException("failed to process response", e));
    } catch (final RuntimeException e) {
        LOGGER.debug("runtime error while decoding response", e);

        checkFutureResponse(future_response);
        future_response.completeExceptionally(new ServerRuntimeException(e));
    } finally {
        CloseableUtil.closeQuietly(parser);
    }

    return future_response;
}

From source file:org.tanrabad.survey.service.json.MultiPolygonTypeConverter.java

@Override
public List<JsonPolygon> parse(JsonParser jsonParser) throws IOException {

    List<JsonPolygon> polygonList;
    if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) {
        polygonList = new ArrayList<>();
        while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
            ArrayList<List<Location>> polygon = new ArrayList<>();
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                polygon.add(getChildPolygon(jsonParser));
            }/*w  w w  .ja va 2s .c  o m*/
            polygonList.add(new JsonPolygon(getBoundary(polygon), getHoles(polygon)));
        }
    } else {
        polygonList = null;
    }
    return polygonList;
}