json.EventDeserializer.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2017/2021 e-voyageurs technologies
*
* Licensed 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.
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package ai.tock.bot.connector.twitter.json
import ai.tock.bot.connector.twitter.model.Application
import ai.tock.bot.connector.twitter.model.DirectMessage
import ai.tock.bot.connector.twitter.model.DirectMessageIndicateTyping
import ai.tock.bot.connector.twitter.model.Tweet
import ai.tock.bot.connector.twitter.model.User
import ai.tock.bot.connector.twitter.model.incoming.DirectMessageIncomingEvent
import ai.tock.bot.connector.twitter.model.incoming.DirectMessageIndicateTypingIncomingEvent
import ai.tock.bot.connector.twitter.model.incoming.IncomingEvent
import ai.tock.bot.connector.twitter.model.incoming.TweetIncomingEvent
import ai.tock.shared.jackson.JacksonDeserializer
import ai.tock.shared.jackson.read
import ai.tock.shared.jackson.readListValues
import ai.tock.shared.jackson.readValue
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.core.type.TypeReference
import com.fasterxml.jackson.databind.DeserializationContext
import mu.KotlinLogging
internal class EventDeserializer : JacksonDeserializer() {
companion object {
private val logger = KotlinLogging.logger {}
}
override fun deserialize(jp: JsonParser, ctxt: DeserializationContext): IncomingEvent? {
data class EventFields(
var forUserId: String? = null,
var users: Map? = null,
var apps: Map? = null,
var directMessages: List? = null,
var directMessagesIndicateTyping: List? = null,
var tweets: List? = null,
var other: EmptyJson? = null
)
val (forUserId, users, apps, directMessages, directMessageIndicateTyping, statuses) = jp.read { fields, name ->
with(fields) {
when (name) {
"for_user_id" -> forUserId = jp.readValue()
DirectMessageIncomingEvent::users.name -> users = jp.readValueAs(object : TypeReference>() {})
DirectMessageIncomingEvent::apps.name -> apps = jp.readValueAs(object : TypeReference>() {})
"direct_message_events" -> directMessages = jp.readListValues()
"direct_message_indicate_typing_events" -> directMessagesIndicateTyping = jp.readListValues()
"tweet_create_events" -> tweets = jp.readValueAs(object : TypeReference>() {})
else -> other = jp.readUnknownValue()
}
}
}
return when {
directMessages != null -> DirectMessageIncomingEvent(forUserId!!, users!!, apps, directMessages)
directMessageIndicateTyping != null -> DirectMessageIndicateTypingIncomingEvent(forUserId!!, users!!, directMessageIndicateTyping)
statuses != null -> TweetIncomingEvent(forUserId!!, statuses)
else -> null
}
}
}