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

Introduction

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

Prototype

@SuppressWarnings("unchecked")
public <T extends TreeNode> T readValueAsTree() throws IOException, JsonProcessingException 

Source Link

Document

Method to deserialize JSON content into equivalent "tree model", represented by root TreeNode of resulting model.

Usage

From source file:com.amazon.speech.json.ContextDeserializer.java

@Override
public Context deserialize(JsonParser parser, DeserializationContext context) throws IOException {
    ObjectMapper underlyingMapper = ((ObjectMapper) parser.getCodec());
    JsonNode messageNode = parser.readValueAsTree();
    Context.Builder contextBuilder = Context.builder();

    for (SerializedInterface interfaceName : SerializedInterface.values()) {
        if (messageNode.has(interfaceName.name())) {
            State<?> state = underlyingMapper.convertValue(messageNode.get(interfaceName.name()),
                    interfaceName.getStateClass());
            contextBuilder.addState(state);
        }/* w w  w. j  a v a  2 s.c  o m*/
    }

    return contextBuilder.build();
}

---

From source file:com.amazon.speech.json.SupportedInterfacesDeserializer.java

@Override
public SupportedInterfaces deserialize(JsonParser parser, DeserializationContext context) throws IOException {
    ObjectMapper underlyingMapper = ((ObjectMapper) parser.getCodec());
    JsonNode messageNode = parser.readValueAsTree();
    SupportedInterfaces.Builder supportedInterfacesBuilder = SupportedInterfaces.builder();

    for (SerializedInterface interfaceName : SerializedInterface.values()) {
        if (messageNode.has(interfaceName.name())) {
            Interface supportedInterface = underlyingMapper.convertValue(messageNode.get(interfaceName.name()),
                    interfaceName.getInterfaceClass());
            supportedInterfacesBuilder.addSupportedInterface(supportedInterface);
        }//from ww w.java2 s  .c  o  m
    }

    return supportedInterfacesBuilder.build();
}

---

From source file:org.mongojack.TestCustomObjectMapper.java

private ObjectMapper createObjectMapper() {
    SimpleModule module = new SimpleModule("MySimpleModule", new Version(1, 0, 0, null, "", ""));
    module.addDeserializer(Custom.class, new JsonDeserializer<Custom>() {
        @Override/*  www.j  a  v a2  s . c  o m*/
        public Custom deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
            JsonNode node = jp.readValueAsTree();
            return new Custom(node.get("v1").asText(), node.get("v2").asText());
        }
    });
    module.addSerializer(Custom.class, new JsonSerializer<Custom>() {
        @Override
        public void serialize(Custom value, JsonGenerator jgen, SerializerProvider provider)
                throws IOException {
            jgen.writeStartObject();
            jgen.writeFieldName("v1");
            jgen.writeString(value.value1);
            jgen.writeFieldName("v2");
            jgen.writeString(value.value2);
            jgen.writeEndObject();
        }
    });

    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.registerModule(module);
    MongoJackModule.configure(objectMapper);
    return objectMapper;
}

---

From source file:alpine.json.TrimmedStringArrayDeserializer.java

@Override
public String[] deserialize(JsonParser jsonParser, DeserializationContext context) throws IOException {
    final List<String> list = new ArrayList<>();
    final JsonNode node = jsonParser.readValueAsTree();
    if (node.isArray()) {
        final Iterator elements = node.elements();
        while (elements.hasNext()) {
            final JsonNode childNode = (JsonNode) elements.next();
            final String value = StringUtils.trimToNull(childNode.asText());
            if (value != null) {
                list.add(value);//from w w  w.  j  ava 2  s  . co m
            }
        }
    }
    if (list.size() == 0) {
        return null;
    } else {
        return list.toArray(new String[list.size()]);
    }
}

---

From source file:com.github.jonpeterson.jackson.module.versioning.VersionedModelDeserializer.java

@Override
public T deserialize(JsonParser parser, DeserializationContext context) throws IOException {
    JsonNode jsonNode = parser.readValueAsTree();

    if (!(jsonNode instanceof ObjectNode))
        throw context.mappingException("value must be a JSON object");

    ObjectNode modelData = (ObjectNode) jsonNode;

    JsonNode modelVersionNode = modelData.remove(jsonVersionedModel.propertyName());

    String modelVersion = null;//  ww  w.  j  a  v  a  2s. com
    if (modelVersionNode != null)
        modelVersion = modelVersionNode.asText();

    if (modelVersion == null)
        modelVersion = jsonVersionedModel.defaultDeserializeToVersion();

    if (modelVersion.isEmpty())
        throw context.mappingException("'" + jsonVersionedModel.propertyName()
                + "' property was null and defaultDeserializeToVersion was not set");

    // convert the model if converter specified and model needs converting
    if (converter != null && (jsonVersionedModel.alwaysConvert()
            || !modelVersion.equals(jsonVersionedModel.currentVersion())))
        modelData = converter.convert(modelData, modelVersion, jsonVersionedModel.currentVersion(),
                context.getNodeFactory());

    // set the serializeToVersionProperty value to the source model version if the defaultToSource property is true
    if (serializeToVersionAnnotation != null && serializeToVersionAnnotation.defaultToSource())
        modelData.put(serializeToVersionProperty.getName(), modelVersion);

    JsonParser postInterceptionParser = new TreeTraversingParser(modelData, parser.getCodec());
    postInterceptionParser.nextToken();
    return delegate.deserialize(postInterceptionParser, context);
}

---

From source file:com.ga2sa.utils.ArrayToStringDeserializer.java

@Override
public String deserialize(JsonParser jsonParser, DeserializationContext context)
        throws IOException, JsonProcessingException {
    List<String> array = new ArrayList<String>();
    JsonNode tree = jsonParser.readValueAsTree();
    if (tree.isArray()) {
        tree.forEach(obj -> array.add(obj.textValue()));
    } else {//from   w  ww .j av  a2  s  .  c o  m
        array.add(tree.textValue());
    }

    return StringUtils.join(array, ",");
}

---

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

@Override
public Tweet deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonNode tree = jp.readValueAsTree();
    long id = tree.get("id").asLong();
    String text = tree.get("text").asText();
    JsonNode fromUserNode = tree.get("user");
    String fromScreenName = null;
    long fromId = 0;
    String fromImageUrl = null;/*from   w  ww.ja v a2s. c om*/
    String dateFormat = TIMELINE_DATE_FORMAT;
    if (fromUserNode != null) {
        fromScreenName = fromUserNode.get("screen_name").asText();
        fromId = fromUserNode.get("id").asLong();
        fromImageUrl = fromUserNode.get("profile_image_url").asText();
    } else {
        fromScreenName = tree.get("from_user").asText();
        fromId = tree.get("from_user_id").asLong();
        fromImageUrl = tree.get("profile_image_url").asText();
        dateFormat = SEARCH_DATE_FORMAT;
    }
    Date createdAt = toDate(tree.get("created_at").asText(), new SimpleDateFormat(dateFormat, Locale.ENGLISH));
    String source = tree.get("source").asText();
    JsonNode toUserIdNode = tree.get("in_reply_to_user_id");
    Long toUserId = toUserIdNode != null ? toUserIdNode.longValue() : null;
    JsonNode languageCodeNode = tree.get("iso_language_code");
    String languageCode = languageCodeNode != null ? languageCodeNode.asText() : null;
    Tweet tweet = new Tweet(id, text, createdAt, fromScreenName, fromImageUrl, toUserId, fromId, languageCode,
            source);
    JsonNode inReplyToStatusIdNode = tree.get("in_reply_to_status_id");
    Long inReplyToStatusId = inReplyToStatusIdNode != null && !inReplyToStatusIdNode.isNull()
            ? inReplyToStatusIdNode.longValue()
            : null;
    tweet.setInReplyToStatusId(inReplyToStatusId);
    JsonNode retweetCountNode = tree.get("retweet_count");
    Integer retweetCount = retweetCountNode != null && !retweetCountNode.isNull() ? retweetCountNode.intValue()
            : null;
    tweet.setRetweetCount(retweetCount);
    JsonNode favoritedNode = tree.get("favorited");
    boolean favorited = favoritedNode != null && !favoritedNode.isNull() ? favoritedNode.booleanValue() : false;
    tweet.setFavorited(favorited);
    jp.skipChildren();
    return tweet;
}

---

From source file:org.thingsplode.synapse.serializers.jackson.adapters.ParameterWrapperDeserializer.java

@Override
public ParameterWrapper deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonNode node = jp.readValueAsTree();
    if (node != null && node.size() > 0 && node.isContainerNode()) {
        ParameterWrapper pw = ParameterWrapper.create();
        ArrayNode paramsNode = (ArrayNode) node.get("params");
        Iterator<JsonNode> elemIterator = paramsNode.elements();
        while (elemIterator.hasNext()) {
            JsonNode currentNode = elemIterator.next();
            if (currentNode.getNodeType() == JsonNodeType.OBJECT) {
                try {
                    String paramid = ((ObjectNode) currentNode).get("paramid").asText();
                    String typeName = ((ObjectNode) currentNode).get("type").asText();
                    Class paramType = null;
                    if (null != typeName)
                        switch (typeName) {
                        case "long":
                            paramType = Long.TYPE;
                            break;
                        case "byte":
                            paramType = Byte.TYPE;
                            break;
                        case "short":
                            paramType = Short.TYPE;
                            break;
                        case "int":
                            paramType = Integer.TYPE;
                            break;
                        case "float":
                            paramType = Float.TYPE;
                            break;
                        case "double":
                            paramType = Double.TYPE;
                            break;
                        case "boolean":
                            paramType = Boolean.TYPE;
                            break;
                        case "char":
                            paramType = Character.TYPE;
                            break;
                        default:
                            paramType = Class.forName(typeName);
                            break;
                        }//  w  w w .  j  av a 2  s . c  o m
                    Object parameterObject = jp.getCodec().treeToValue(currentNode.get("value"), paramType);
                    pw.add(paramid, paramType, parameterObject);
                } catch (ClassNotFoundException ex) {
                    throw new JsonParseException(jp, ex.getMessage());
                }
            }
        }
        return pw;
    } else {
        return null;
    }
}

---

From source file:com.github.tomakehurst.wiremock.matching.StringValuePatternJsonDeserializer.java

@Override
public StringValuePattern deserialize(JsonParser parser, DeserializationContext context)
        throws IOException, JsonProcessingException {
    JsonNode rootNode = parser.readValueAsTree();

    if (isAbsent(rootNode)) {
        return StringValuePattern.ABSENT;
    }/*from   w  w  w  .j a v  a2  s .  c  o  m*/

    Class<? extends StringValuePattern> patternClass = findPatternClass(rootNode);
    if (patternClass.equals(EqualToJsonPattern.class)) {
        return deserializeEqualToJson(rootNode);
    } else if (patternClass.equals(MatchesXPathPattern.class)) {
        return deserialiseMatchesXPathPattern(rootNode);
    }

    Constructor<? extends StringValuePattern> constructor = findConstructor(patternClass);

    Map.Entry<String, JsonNode> entry = rootNode.fields().next();
    String operand = entry.getValue().textValue();
    try {
        return constructor.newInstance(operand);
    } catch (Exception e) {
        return throwUnchecked(e, StringValuePattern.class);
    }
}

---

From source file:com.strandls.alchemy.rest.client.exception.ExceptionPayloadDeserializer.java

@SuppressWarnings("unchecked")
@Override/*from   w  w w . ja v  a2s.  co  m*/
public ExceptionPayload deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    final ObjectMapper sourceObjectMapper = ((ObjectMapper) jp.getCodec());

    final ObjectNode tree = jp.readValueAsTree();

    String message = null;
    if (tree.has("exceptionMessage")) {
        message = tree.get("exceptionMessage").asText();
    }

    Throwable exception = null;
    try {
        final String className = tree.get("exceptionClassFQN").asText();
        final Class<? extends Throwable> clazz = (Class<? extends Throwable>) ReflectionUtils
                .forName(className);
        exception = sourceObjectMapper.treeToValue(tree.get("exception"), clazz);
    } catch (final Throwable t) {
        log.warn("Error deserializing exception class", t);
        exception = new InternalServerErrorException(message);
    }

    return new ExceptionPayload(exception.getClass().getName(), message, exception);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• »