com.izivia.ocpp.json16.Ocpp16JsonParser.kt Maven / Gradle / Ivy

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This module provides a JSON parser for OCPP 1.6

There is a newer version: 20221110-1

package com.izivia.ocpp.json16

import com.fasterxml.jackson.databind.JsonNode
import com.izivia.ocpp.core16.Ocpp16ForcedFieldType
import com.izivia.ocpp.core16.Ocpp16IgnoredNullRestriction
import com.izivia.ocpp.core16.model.common.enumeration.Actions
import com.izivia.ocpp.json.JsonMessage
import com.izivia.ocpp.json.JsonMessageType
import com.izivia.ocpp.json.OcppJsonParser
import com.izivia.ocpp.json.OcppJsonValidator
import com.izivia.ocpp.utils.MessageTypeException
import com.networknt.schema.SpecVersion
import com.networknt.schema.ValidationMessage
import com.networknt.schema.ValidatorTypeCode

class Ocpp16JsonParser(
    override val ignoredNullRestrictions: List? = null,
    override val ignoredValidationCodes: List? = null,
    override val forcedFieldTypes: List? = null,
    enableValidation: Boolean = true
) :
    OcppJsonParser(
        mapper = Ocpp16JsonObjectMapper,
        ignoredNullRestrictions = ignoredNullRestrictions,
        ignoredValidationCodes = ignoredValidationCodes,
        forcedFieldTypes = forcedFieldTypes,
        ocppJsonValidator = OcppJsonValidator(SpecVersion.VersionFlag.V4).takeIf { enableValidation }
    ) {

    override fun getRequestPayloadClass(action: String, errorHandler: (e: Exception) -> Throwable): Class =
        try {
            Actions.valueOf(action.uppercase()).classRequest
        } catch (e: Exception) {
            throw errorHandler(e)
        }

    override fun getResponsePayloadClass(action: String, errorHandler: (e: Exception) -> Throwable): Class =
        try {
            Actions.valueOf(action.uppercase()).classResponse
        } catch (e: Exception) {
            throw errorHandler(e)
        }

    override fun getActionFromClass(className: String): String =
        Actions.valueOf(getActionFromClassName(className)).value

    override fun validateJson(
        jsonMessage: JsonMessage,
        errorsHandler: (errors: List) -> Unit
    ) {
        val action = Actions.valueOf(jsonMessage.action!!.uppercase()).camelCase()
        ocppJsonValidator?.isValidObject(
            action = when (jsonMessage.msgType) {
                JsonMessageType.CALL -> "${action}Request"
                JsonMessageType.CALL_RESULT -> "${action}Response"
                JsonMessageType.CALL_ERROR -> return
                else -> throw MessageTypeException(
                    message = "MessageType not supported ${jsonMessage.msgType}",
                    messageId = jsonMessage.msgId
                )
            },
            payload = jsonMessage.payload
        )

            ?.let { errorsHandler(it) }
    }
}