aws.sdk.kotlin.hll.dynamodbmapper.plugins.SchemaGeneratorPlugin.kt Maven / Gradle / Ivy

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Plugin used to generate DynamoDbMapper schemas from user classes

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
package aws.sdk.kotlin.hll.dynamodbmapper.plugins

import aws.sdk.kotlin.hll.codegen.rendering.RenderOptions
import aws.sdk.kotlin.hll.dynamodbmapper.codegen.annotations.AnnotationsProcessorOptions
import aws.smithy.kotlin.runtime.ExperimentalApi
import com.google.devtools.ksp.gradle.KspExtension
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.kotlin.dsl.configure
import org.gradle.kotlin.dsl.create

@ExperimentalApi
public class SchemaGeneratorPlugin : Plugin {
    override fun apply(project: Project): Unit = project.run {
        val extension = createExtension()
        configureDependencies()

        project.afterEvaluate {
            extensions.configure {
                arg(AnnotationsProcessorOptions.GenerateBuilderClassesAttribute.name, extension.generateBuilderClasses.name)
                arg(RenderOptions.VisibilityAttribute.name, extension.visibility.name)
                arg(AnnotationsProcessorOptions.DestinationPackageAttribute.name, extension.destinationPackage.toString())
                arg(AnnotationsProcessorOptions.GenerateGetTableMethodAttribute.name, extension.generateGetTableExtension.toString())
            }
        }
    }

    private fun Project.createExtension(): SchemaGeneratorPluginExtension = extensions.create(SCHEMA_GENERATOR_PLUGIN_EXTENSION)

    private fun Project.configureDependencies() {
        logger.info("Configuring dependencies for schema generation...")
        pluginManager.apply("com.google.devtools.ksp")

        extensions.configure {
            excludeProcessor("aws.sdk.kotlin.hll.dynamodbmapper.codegen.operations.HighLevelOpsProcessorProvider")
        }

        val sdkVersion = getSdkVersion()
        dependencies.add("ksp", "aws.sdk.kotlin:dynamodb-mapper-schema-codegen:$sdkVersion")
    }

    // Reads sdk-version.txt for the SDK version to add dependencies on. The file is created in this module's build.gradle.kts
    private fun getSdkVersion(): String = checkNotNull(this::class.java.getResource("sdk-version.txt")?.readText()) { "Could not read sdk-version.txt" }
}