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

Introduction

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

Prototype

public abstract boolean hasCurrentToken();

Source Link

Document

Method for checking whether parser currently points to a token (and data for that token is available).

Usage

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

@Override
public List<LinkedInProfile> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = BeanResolver.getInstance().resolve(ObjectMapper.class);
    jp.setCodec(mapper);/*w  w w.  j a  v a2s .c  om*/
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class).get("values");
        List<LinkedInProfile> likes = new ArrayList<LinkedInProfile>();
        // Have to iterate through list due to person sub object.
        for (JsonNode like : dataNode) {
            LinkedInProfile profile = mapper.reader(new TypeReference<LinkedInProfile>() {
            }).readValue(like.get("person"));
            likes.add(profile);
        }
        return likes;
    }

    return null;
}

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From source file:org.springframework.social.facebook.api.impl.json.TagListDeserializer.java

@SuppressWarnings("unchecked")
@Override/*from  w  w  w.  ja v a 2 s . co  m*/
public List<Tag> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    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;
}

---

From source file:org.springframework.social.linkedin.api.impl.json.RecommendationsListDeserializer.java

public List<Recommendation> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new LinkedInModule());
    jp.setCodec(mapper);// w  w w  . ja  v a2 s  . c o  m
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class).get("values");
        if (dataNode != null) {
            return mapper.reader(new TypeReference<List<Recommendation>>() {
            }).readValue(dataNode);
        }
    }
    return null;
}

---

From source file:org.springframework.social.facebook.api.impl.json.ReferenceListDeserializer.java

@SuppressWarnings("unchecked")
@Override/*w  w  w.j  a  va 2s.  c  o m*/
public List<Reference> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    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.springframework.social.facebook.api.impl.json.QuestionOptionListDeserializer.java

@SuppressWarnings("unchecked")
@Override//w w  w.  j  a  va  2 s  .  co m
public List<QuestionOption> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        TreeNode dataNode = jp.readValueAs(JsonNode.class).get("data");
        if (dataNode != null) {
            // TODO: THIS PROBABLY ISN"T RIGHT
            return (List<QuestionOption>) mapper.reader(new TypeReference<List<QuestionOption>>() {
            }).readValue((JsonNode) dataNode);
        }
    }

    return null;
}

---

From source file:org.springframework.social.facebook.api.impl.json.MessageTagMapDeserializer.java

@SuppressWarnings("unchecked")
@Override//from w ww .ja  va2s .com
public Map<Integer, List<MessageTag>> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class);
        if (dataNode != null) {
            return (Map<Integer, List<MessageTag>>) mapper
                    .reader(new TypeReference<Map<Integer, List<MessageTag>>>() {
                    }).readValue(dataNode);
        }
    }

    return Collections.emptyMap();
}

---

From source file:org.springframework.social.facebook.api.impl.json.StoryTagMapDeserializer.java

@SuppressWarnings("unchecked")
@Override/*  ww w  .  ja  v  a2s .  c  o m*/
public Map<Integer, List<StoryTag>> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    jp.setCodec(mapper);
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class);
        if (dataNode != null) {
            return (Map<Integer, List<StoryTag>>) mapper
                    .reader(new TypeReference<Map<Integer, List<StoryTag>>>() {
                    }).readValue(dataNode);
        }
    }

    return Collections.emptyMap();
}

---

From source file:org.springframework.social.linkedin.api.impl.json.LikesListDeserializer.java

@Override
public List<LinkedInProfile> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new LinkedInModule());
    jp.setCodec(mapper);/*from w w  w  .  j av a  2  s . com*/
    if (jp.hasCurrentToken()) {
        JsonNode dataNode = jp.readValueAs(JsonNode.class).get("values");
        List<LinkedInProfile> likes = new ArrayList<LinkedInProfile>();
        // Have to iterate through list due to person sub object.
        for (JsonNode like : dataNode) {
            LinkedInProfile profile = mapper.reader(new TypeReference<LinkedInProfile>() {
            }).readValue(like.get("person"));
            likes.add(profile);
        }
        return likes;
    }

    return null;
}

---

From source file:org.springframework.social.facebook.api.impl.json.CommentListAndCountDeserializer.java

@SuppressWarnings("unchecked")
@Override/*from w  ww .j  a va2  s .  c  om*/
public ListAndCount<Comment> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    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();
        JsonNode countNode = commentsNode.get("count");
        int commentCount = countNode != null ? countNode.intValue() : 0;
        return new ListAndCount<Comment>(commentsList, commentCount);
    }

    return null;
}

---

From source file:org.springframework.social.facebook.api.impl.json.ReferenceListAndCountDeserializer.java

@SuppressWarnings("unchecked")
@Override/*from  w  w w  .  j av a  2 s  . co m*/
public ListAndCount<Reference> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new FacebookModule());
    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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