com.google.gplus.serializer.util.GPlusPersonDeserializer.java Source code

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Here is the source code for com.google.gplus.serializer.util.GPlusPersonDeserializer.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.google.gplus.serializer.util;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.IntNode;
import com.google.api.client.util.Lists;
import com.google.api.services.plus.model.Person;
import org.apache.streams.jackson.StreamsJacksonMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.List;

/**
 * Custom deserializer for GooglePlus' Person model
 */
public class GPlusPersonDeserializer extends JsonDeserializer<Person> {
    private final static Logger LOGGER = LoggerFactory.getLogger(GPlusPersonDeserializer.class);

    /**
     * Because the GooglePlus Person object contains complex objects within its hierarchy, we have to use
     * a custom deserializer
     *
     * @param jsonParser
     * @param deserializationContext
     * @return The deserialized {@link com.google.api.services.plus.model.Person} object
     * @throws IOException
     * @throws JsonProcessingException
     */
    @Override
    public Person deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
            throws IOException, JsonProcessingException {
        ObjectMapper m = StreamsJacksonMapper.getInstance();

        JsonNode node = jsonParser.getCodec().readTree(jsonParser);
        Person person = new Person();
        try {

            person.setCircledByCount((Integer) ((IntNode) node.get("circledByCount")).numberValue());
            person.setDisplayName(node.get("displayName").asText());
            person.setEtag(node.get("etag").asText());
            person.setGender(node.get("gender").asText());
            person.setId(node.get("id").asText());

            Person.Image image = new Person.Image();
            JsonNode imageNode = node.get("image");
            image.setIsDefault(imageNode.get("isDefault").asBoolean());
            image.setUrl(imageNode.get("url").asText());
            person.setImage(image);

            person.setIsPlusUser(node.get("isPlusUser").asBoolean());
            person.setKind(node.get("kind").asText());

            JsonNode nameNode = node.get("name");
            Person.Name name = m.readValue(m.writeValueAsString(nameNode), Person.Name.class);
            person.setName(name);

            person.setObjectType(node.get("objectType").asText());

            List<Person.Organizations> organizations = Lists.newArrayList();
            for (JsonNode orgNode : node.get("organizations")) {
                Person.Organizations org = m.readValue(m.writeValueAsString(orgNode), Person.Organizations.class);
                organizations.add(org);
            }
            person.setOrganizations(organizations);

            person.setUrl(node.get("url").asText());
            person.setVerified(node.get("verified").asBoolean());

            List<Person.Emails> emails = Lists.newArrayList();
            for (JsonNode emailNode : node.get("emails")) {
                Person.Emails email = m.readValue(m.writeValueAsString(emailNode), Person.Emails.class);
                emails.add(email);
            }

            person.setTagline(node.get("tagline").asText());
            person.setAboutMe(node.get("aboutMe").asText());
        } catch (Exception e) {
            LOGGER.error("Exception while trying to deserialize a Person object: {}", e);
        }

        return person;
    }
}