/*
* 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 org.apache.streams.gplus.serializer.util;
import org.apache.streams.jackson.StreamsJacksonMapper;
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.google.api.services.plus.model.Person;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Custom deserializer for GooglePlus' Person model.
*/
public class GPlusPersonDeserializer extends JsonDeserializer<Person> {
private static final 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 jsonParser
* @param deserializationContext deserializationContext
* @return The deserialized {@link com.google.api.services.plus.model.Person} object
* @throws IOException IOException
* @throws JsonProcessingException JsonProcessingException
*/
@Override
public Person deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
ObjectMapper mapper = StreamsJacksonMapper.getInstance();
JsonNode node = jsonParser.getCodec().readTree(jsonParser);
Person person = new Person();
try {
person.setId(node.get("id").asText());
person.setCircledByCount((Integer) (node.get("circledByCount")).numberValue());
person.setDisplayName(node.get("displayName").asText());
if( node.has("etag")) {
person.setEtag(node.get("etag").asText());
}
if( node.has("gender")) {
person.setGender(node.get("gender").asText());
}
Person.Image image = new Person.Image();
if( node.has("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 = mapper.readValue(mapper.writeValueAsString(nameNode), Person.Name.class);
person.setName(name);
person.setObjectType(node.get("objectType").asText());
List<Person.Organizations> organizations = new ArrayList<>();
if( node.has("organizations")) {
for (JsonNode orgNode : node.get("organizations")) {
Person.Organizations org = mapper.readValue(mapper.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 = new ArrayList<>();
if ( node.has("emails")) {
for (JsonNode emailNode : node.get("emails")) {
Person.Emails email = mapper.readValue(mapper.writeValueAsString(emailNode), Person.Emails.class);
emails.add(email);
}
}
if ( node.has("tagline")) {
person.setTagline(node.get("tagline").asText());
}
if ( node.has("aboutMe")) {
person.setAboutMe(node.get("aboutMe").asText());
}
} catch (Exception ex) {
LOGGER.error("Exception while trying to deserialize a Person object: {}", ex);
}
return person;
}
}