ktor-server-lambda-core.0.0.1.source-code.LambdaAdapter.kt Maven / Gradle / Ivy

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The library used for deploying AWS Lambda functions working with Ktor

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/*
 * Copyright © 2019 Mercateo AG (http://www.mercateo.com)
 *
 * 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.
 */
package com.mercateo.ktor.server.lambda

import com.amazonaws.services.lambda.runtime.Context
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent
import io.ktor.server.engine.EngineAPI
import io.ktor.server.engine.commandLineEnvironment

@EngineAPI
class LambdaAdapter(args: Array = emptyArray()) {
  private var engine: LambdaEngine

  init {
    val applicationEnvironment = commandLineEnvironment(args)
    engine = LambdaEngine(applicationEnvironment)
    engine.start(false)
  }

  fun handle(input: APIGatewayProxyRequestEvent, context: Context): APIGatewayProxyResponseEvent {
    return engine.handleRequest(input, context)
  }
}