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

Introduction

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

Prototype

public abstract void setCodec(ObjectCodec c);

Source Link

Document

Setter that allows defining ObjectCodec associated with this parser, if any.

Usage

From source file:org.apache.parquet.cli.json.AvroJson.java

public static Iterator<JsonNode> parser(final InputStream stream) {
    try {//w  w w.  j a va  2  s . c o m
        JsonParser parser = FACTORY.createParser(stream);
        parser.setCodec(new ObjectMapper());
        return parser.readValuesAs(JsonNode.class);
    } catch (IOException e) {
        throw new RuntimeIOException("Cannot read from stream", e);
    }
}

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From source file:com.microsoft.azure.serializer.CloudErrorDeserializer.java

@Override
public CloudError deserialize(JsonParser p, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonNode topNode = p.readValueAsTree();
    if (topNode == null) {
        return null;
    }//from  ww w .  j  a  va2  s . c om
    JsonNode errorNode = topNode.get("error");
    if (errorNode == null) {
        return null;
    }
    JsonParser parser = new JsonFactory().createParser(errorNode.toString());
    parser.setCodec(mapper);
    return parser.readValueAs(CloudError.class);
}

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From source file:com.basistech.AfterburnerOopsTest.java

@Test
public void oops() throws Exception {
    SmileFactory smileFactory = new SmileFactory();
    ObjectMapper mapper = new ObjectMapper(smileFactory);
    mapper = AnnotatedDataModelModule.setupObjectMapper(mapper);

    EntityMention em = new EntityMention();
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    List<EntityMention> mentions = Lists.newArrayList();
    mentions.add(em);//from   w w  w  .  j ava2s .  com
    mapper.writeValue(byteArrayOutputStream, mentions);

    mapper = AnnotatedDataModelModule.setupObjectMapper(new ObjectMapper(smileFactory));
    mapper.registerModule(new AfterburnerModule());
    JsonParser jp = smileFactory.createParser(new ByteArrayInputStream(byteArrayOutputStream.toByteArray()));
    jp.setCodec(mapper);

    JsonToken current;
    current = jp.nextToken();
    if (current != JsonToken.START_ARRAY) {
        System.err.println("Error: root should be array: quiting.");
        return;
    }

    while (jp.nextToken() != JsonToken.END_ARRAY) {
        jp.readValueAs(EntityMention.class);
    }

}

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From source file:org.agorava.facebook.jackson.ReferenceListDeserializer.java

@SuppressWarnings("unchecked")
@Override/*from  w  ww .  j av a  2  s  .  c  o m*/
public List<Reference> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = getInstance().resolve(ObjectMapper.class);
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = (JsonNode) jp.readValueAs(JsonNode.class).get("data");
        if (dataNode != null) {
            return (List<Reference>) mapper.reader(new TypeReference<List<Reference>>() {
            }).readValue(dataNode);
        }
    }

    return Collections.emptyList();
}

---

From source file:org.agorava.facebook.jackson.CommentListAndCountDeserializer.java

@SuppressWarnings("unchecked")
@Override/*from   w w w . j a v a  2s.c  o m*/
public ListAndCount<Comment> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = getInstance().resolve(ObjectMapper.class);
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode commentsNode = jp.readValueAs(JsonNode.class);
        JsonNode dataNode = commentsNode.get("data");
        List<Comment> commentsList = dataNode != null
                ? (List<Comment>) mapper.reader(new TypeReference<List<Comment>>() {
                }).readValue(dataNode)
                : Collections.<Comment>emptyList();
        return new ListAndCount<Comment>(commentsList, commentsList.size());
    }

    return null;
}

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From source file:cz.cvut.kbss.jsonld.jackson.deserialization.JacksonJsonLdDeserializer.java

private Object parseJsonObject(JsonParser parser) throws IOException {
    Object value = null;/*from w w w .  j  av a 2 s.c  o  m*/
    final JsonToken initialToken = parser.getCurrentToken();
    parser.setCodec(mapper);
    if (initialToken == JsonToken.START_ARRAY) {
        value = parser.readValueAs(new TypeReference<List<?>>() {
        });
    } else if (initialToken == JsonToken.START_OBJECT) {
        value = parser.readValueAs(new TypeReference<Map<?, ?>>() {
        });
    } else if (initialToken == JsonToken.VALUE_STRING) {
        value = parser.readValueAs(String.class);
    } else if (initialToken == JsonToken.VALUE_FALSE || initialToken == JsonToken.VALUE_TRUE) {
        value = parser.readValueAs(Boolean.class);
    } else if (initialToken == JsonToken.VALUE_NUMBER_FLOAT || initialToken == JsonToken.VALUE_NUMBER_INT) {
        value = parser.readValueAs(Number.class);
    } else if (initialToken == JsonToken.VALUE_NULL) {
        value = null;
    }
    return value;
}

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From source file:org.agorava.facebook.jackson.TagListDeserializer.java

@SuppressWarnings("unchecked")
@Override//from  ww w  . j  a v  a 2s  .  co  m
public List<Tag> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = BeanResolver.getInstance().resolve(ObjectMapper.class);
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = (JsonNode) jp.readValueAs(JsonNode.class).get("data");
        return (List<Tag>) mapper.reader(new TypeReference<List<Tag>>() {
        }).readValue(dataNode);
    }

    return null;
}

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From source file:org.agorava.twitter.jackson.SimilarPlacesDeserializer.java

@Override
public SimilarPlacesResponse deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = BeanResolver.getInstance().resolve(ObjectMapper.class);
    jp.setCodec(mapper);
    JsonNode node = jp.readValueAs(JsonNode.class);
    JsonNode resultNode = node.get("result");
    String token = resultNode.get("token").textValue();
    JsonNode placesNode = resultNode.get("places");
    @SuppressWarnings("unchecked")
    List<Place> places = (List<Place>) mapper.reader(new TypeReference<List<Place>>() {
    }).readValue(placesNode);/* w ww .j  av  a  2s  .c om*/
    return new SimilarPlacesResponse(places, token);
}

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From source file:org.agorava.linkedin.jackson.RecommendationsListDeserializer.java

@Override
public List<Recommendation> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = BeanResolver.getInstance().resolve(ObjectMapper.class);
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class).get("values");
        if (dataNode != null) {
            return mapper.reader(new TypeReference<List<Recommendation>>() {
            }).readValue(dataNode);/*from  w  ww. jav a2  s . co m*/
        }
    }
    return null;
}

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From source file:org.agorava.facebook.jackson.ReferenceListAndCountDeserializer.java

@SuppressWarnings("unchecked")
@Override/* w w w.  j a  v  a  2  s  . c o  m*/
public ListAndCount<Reference> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = getInstance().resolve(ObjectMapper.class);

    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode node = jp.readValueAs(JsonNode.class);
        JsonNode dataNode = node.get("data");
        List<Reference> commentsList = dataNode != null
                ? (List<Reference>) mapper.reader(new TypeReference<List<Reference>>() {
                }).readValue(dataNode)
                : Collections.<Reference>emptyList();
        JsonNode countNode = node.get("count");
        int referenceCount = countNode != null ? countNode.intValue() : 0;
        return new ListAndCount<Reference>(commentsList, referenceCount);
    }

    return null;
}

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