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Merge pull request #446 from commercetools/graphql-module
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29 changes: 29 additions & 0 deletions
29
buildSrc/src/main/kotlin/com/commercetools/sdk/plugins/GraphQLPlugin.kt
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| package com.commercetools.sdk.plugins | ||
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| import org.gradle.api.Plugin | ||
| import org.gradle.api.Project | ||
| import org.gradle.api.plugins.JavaPlugin | ||
| import org.gradle.api.plugins.JavaPluginExtension | ||
| import org.gradle.api.tasks.SourceSet | ||
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| class GraphQLPlugin : Plugin<Project> { | ||
| companion object { | ||
| const val GRADLE_GROUP = "DGS GraphQL Codegen" | ||
| } | ||
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| override fun apply(project: Project) { | ||
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| project.plugins.apply(JavaPlugin::class.java) | ||
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| val generateJavaTaskProvider = project.tasks.register("generateGraphQLRoots", GraphQLTask::class.java) | ||
| generateJavaTaskProvider.configure { it.group = GRADLE_GROUP } | ||
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| val javaExtension = project.extensions.getByType(JavaPluginExtension::class.java) | ||
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| val sourceSets = javaExtension.sourceSets | ||
| val mainSourceSet = sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME) | ||
| val outputDir = generateJavaTaskProvider.map(GraphQLTask::getOutputDir) | ||
| mainSourceSet.java.srcDirs(project.files(outputDir).builtBy(generateJavaTaskProvider)) | ||
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| } | ||
| } |
209 changes: 209 additions & 0 deletions
209
buildSrc/src/main/kotlin/com/commercetools/sdk/plugins/GraphQLTask.kt
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| package com.commercetools.sdk.plugins | ||
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| import com.github.javaparser.StaticJavaParser | ||
| import com.github.javaparser.ast.CompilationUnit | ||
| import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration | ||
| import com.github.javaparser.ast.body.ConstructorDeclaration | ||
| import com.github.javaparser.ast.body.MethodDeclaration | ||
| import com.github.javaparser.ast.body.TypeDeclaration | ||
| import com.squareup.javapoet.* | ||
| import org.gradle.api.DefaultTask | ||
| import org.gradle.api.plugins.JavaPluginExtension | ||
| import org.gradle.api.tasks.Input | ||
| import org.gradle.api.tasks.OutputDirectory | ||
| import org.gradle.api.tasks.SourceSet | ||
| import org.gradle.api.tasks.TaskAction | ||
| import java.io.File | ||
| import java.nio.file.Paths | ||
| import java.util.* | ||
| import java.util.function.UnaryOperator | ||
| import javax.lang.model.element.Modifier | ||
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| open class GraphQLTask: DefaultTask() { | ||
| @Input | ||
| var generatedSourcesDir: String = project.buildDir.absolutePath | ||
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| @Input | ||
| var packageName: String = "com.commercetools.graphql.api" | ||
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| @Input | ||
| var clientPackageName: String = "$packageName.client" | ||
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| @Input | ||
| var typesPackageName: String = "$packageName.types" | ||
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| @OutputDirectory | ||
| fun getOutputDir(): File { | ||
| return Paths.get("$generatedSourcesDir/generated/sources/coco-codegen").toFile() | ||
| } | ||
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| @TaskAction | ||
| fun generate() { | ||
| val javaExtension = project.extensions.getByType(JavaPluginExtension::class.java) | ||
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| val mainSourceSet = javaExtension.sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME) | ||
| val queryClasses = mainSourceSet.java.asFileTree.matching { it.include("**/*GraphQLQuery.java") }.files | ||
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| val graphQL = TypeSpec.classBuilder("GraphQL") | ||
| .addModifiers(Modifier.PUBLIC) | ||
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| val graphQLData = TypeSpec.interfaceBuilder("GraphQLData") | ||
| .addModifiers(Modifier.PUBLIC) | ||
| .addAnnotation(AnnotationSpec.builder(ClassName.get("com.fasterxml.jackson.databind.annotation", "JsonDeserialize")) | ||
| .addMember("as", "GraphQLDataImpl.class") | ||
| .build()) | ||
| .addMethod(MethodSpec.methodBuilder("get") | ||
| .addModifiers(Modifier.PUBLIC, Modifier.DEFAULT) | ||
| .addParameter(ParameterSpec.builder( | ||
| ParameterizedTypeName.get( | ||
| ClassName.get(packageName, "GraphQLRequest"), | ||
| TypeVariableName.get("T") | ||
| ), | ||
| "request").build()) | ||
| .returns(TypeVariableName.get("T")) | ||
| .addTypeVariable(TypeVariableName.get("T")) | ||
| .addCode("return request.getDataMapper().apply(this);") | ||
| .build()) | ||
| val graphQLDataImpl = TypeSpec.classBuilder("GraphQLDataImpl") | ||
| .addSuperinterface(ClassName.get(packageName, "GraphQLData")) | ||
| .addModifiers(Modifier.PUBLIC) | ||
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| val wildcard: TypeName = WildcardTypeName.subtypeOf(Any::class.java) | ||
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| queryClasses.forEach { | ||
| val queryName = it.nameWithoutExtension | ||
| val operation = queryName.replace("GraphQLQuery", ""); | ||
| val projectionName = "${operation}ProjectionRoot" | ||
| val projectionFile = it.parentFile.resolve("$projectionName.java") | ||
| val operationName = operationName(it); | ||
| val returnType = returnType(projectionFile) | ||
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| graphQL.addMethod(MethodSpec.methodBuilder(operationName) | ||
| .addModifiers(Modifier.PUBLIC) | ||
| .addModifiers(Modifier.STATIC) | ||
| .addParameter(ParameterSpec.builder( | ||
| ParameterizedTypeName.get( | ||
| ClassName.get(UnaryOperator::class.java), | ||
| ClassName.get(clientPackageName, queryName).nestedClass("Builder") | ||
| ), | ||
| "query").build() | ||
| ) | ||
| .addCode(CodeBlock.builder().addStatement("return new GraphQLQueryRequestBuilder<>(query.apply($queryName.newRequest()).build(), new $projectionName<>(), GraphQLData::get${operationName.firstUpperCase()})").build()) | ||
| .returns(ParameterizedTypeName.get( | ||
| ClassName.get(packageName, "GraphQLQueryRequestBuilder"), | ||
| ClassName.get(typesPackageName, returnType), | ||
| ParameterizedTypeName.get( | ||
| ClassName.get(clientPackageName, projectionName), | ||
| wildcard, | ||
| wildcard | ||
| ) | ||
| )) | ||
| .build()) | ||
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| graphQLData.addMethod(MethodSpec.methodBuilder("get${operationName.firstUpperCase()}") | ||
| .addModifiers(Modifier.PUBLIC, Modifier.ABSTRACT) | ||
| .addAnnotation(AnnotationSpec.builder(ClassName.get("com.fasterxml.jackson.annotation", "JsonProperty")) | ||
| .addMember("value", "\"$operationName\"") | ||
| .build() | ||
| ) | ||
| .returns(ClassName.get(typesPackageName, returnType)) | ||
| .build()) | ||
| graphQLData.addMethod(MethodSpec.methodBuilder("set${operationName.firstUpperCase()}") | ||
| .addModifiers(Modifier.PUBLIC, Modifier.ABSTRACT) | ||
| .addParameter(ClassName.get(typesPackageName, returnType), operationName) | ||
| .build()) | ||
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| graphQLDataImpl.addField( | ||
| FieldSpec.builder(ClassName.get(typesPackageName, returnType), operationName, Modifier.PRIVATE).build() | ||
| ) | ||
| graphQLDataImpl.addMethod(MethodSpec.methodBuilder("get${operationName.firstUpperCase()}") | ||
| .addModifiers(Modifier.PUBLIC) | ||
| .returns(ClassName.get(typesPackageName, returnType)) | ||
| .addCode("return $operationName;") | ||
| .build()) | ||
| graphQLDataImpl.addMethod(MethodSpec.methodBuilder("set${operationName.firstUpperCase()}") | ||
| .addModifiers(Modifier.PUBLIC) | ||
| .addParameter(ClassName.get(typesPackageName, returnType), operationName) | ||
| .addCode("this.$operationName = $operationName;") | ||
| .build()) | ||
| } | ||
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| val graphQLFile = JavaFile.builder("com.commercetools.graphql.api", graphQL.build()).build() | ||
| graphQLFile.writeTo(Paths.get("${getOutputDir()}")) | ||
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| val graphQLDataFile = JavaFile.builder("com.commercetools.graphql.api", graphQLData.build()).build() | ||
| graphQLDataFile.writeTo(Paths.get("${getOutputDir()}")) | ||
| val graphQLDataImplFile = JavaFile.builder("com.commercetools.graphql.api", graphQLDataImpl.build()).build() | ||
| graphQLDataImplFile.writeTo(Paths.get("${getOutputDir()}")) | ||
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| logger.info("Processing schema files: $graphQLFile") | ||
| } | ||
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| private fun returnType(file: File): String { | ||
| val parse: CompilationUnit = StaticJavaParser.parse(file) | ||
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| val declarations = parse | ||
| .types | ||
| .filterIsInstance<ClassOrInterfaceDeclaration>() | ||
| .map { typeDeclaration: TypeDeclaration<*> -> typeDeclaration as ClassOrInterfaceDeclaration } | ||
| .filterNot { it.isInterface } | ||
| .map { it.defaultConstructor } | ||
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| return declarations.filter { it.isPresent } | ||
| .map { it.get() } | ||
| .map { it.methodBody() } | ||
| .first() | ||
| .substringAfterLast("Optional.of(\"") | ||
| .substringBefore("\")") | ||
| } | ||
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| private fun operationName(file: File): String { | ||
| val parse: CompilationUnit = StaticJavaParser.parse(file) | ||
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| val declarations = parse | ||
| .types | ||
| .filterIsInstance<ClassOrInterfaceDeclaration>() | ||
| .map { typeDeclaration: TypeDeclaration<*> -> typeDeclaration as ClassOrInterfaceDeclaration } | ||
| .filterNot { it.isInterface } | ||
| .flatMap { it.getMethodsByName("getOperationName") } | ||
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| return declarations | ||
| .map { it.methodBody() } | ||
| .first() | ||
| .substringAfterLast("return \"") | ||
| .substringBefore("\"") | ||
| } | ||
|
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| fun ConstructorDeclaration.methodBody(): String { | ||
| val methodBody = this.body | ||
| val bodyRange = methodBody.tokenRange.get().toString() | ||
| return bodyRange.substring(1, bodyRange.length - 1).trimIndent() | ||
| } | ||
|
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| fun MethodDeclaration.methodBody(): String { | ||
| val methodBody = this.body | ||
| if (!methodBody.isPresent) { | ||
| return "" | ||
| } | ||
| val bodyRange = methodBody.get().tokenRange.get().toString() | ||
| return bodyRange.substring(1, bodyRange.length - 1).trimIndent() | ||
| } | ||
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| private fun String.firstLowerCase(): String { | ||
| return this.replaceFirstChar { | ||
| it.lowercase( | ||
| Locale.getDefault() | ||
| ) | ||
| } | ||
| } | ||
|
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| private fun String.firstUpperCase(): String { | ||
| return this.replaceFirstChar { | ||
| it.uppercase( | ||
| Locale.getDefault() | ||
| ) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| import com.commercetools.sdk.plugins.GraphQLPlugin | ||
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| plugins { | ||
| id "com.netflix.dgs.codegen" version "5.10.0" | ||
| } | ||
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| apply plugin:'com.netflix.dgs.codegen' | ||
| apply plugin: GraphQLPlugin | ||
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| dependencies { | ||
| api project(':commercetools:commercetools-sdk-java-api') | ||
| testImplementation project(':commercetools:commercetools-http-client') | ||
| implementation google.findbugs | ||
| implementation javax.validation | ||
| api 'com.netflix.graphql.dgs.codegen:graphql-dgs-codegen-shared-core:5.10.0' | ||
| } | ||
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| generateGraphQLRoots { | ||
| dependsOn "generateJava" | ||
| } | ||
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| generateJava { | ||
| schemaPaths = ["${projectDir}/src/main/resources/graphql"] // List of directories containing schema files | ||
| packageName = 'com.commercetools.graphql.api' // The package name to use to generate sources | ||
| generateBoxedTypes = true | ||
| generateClientv2 = true | ||
| shortProjectionNames = true | ||
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| typeMapping = [ | ||
| "Country": "String", | ||
| "Locale": "String", | ||
| "Long": "Long", | ||
| "Json": "com.fasterxml.jackson.databind.JsonNode", | ||
| "KeyReferenceInput": "String", | ||
| "Set": "Object", | ||
| "Time": "String", | ||
| "BigDecimal": "Double", | ||
| "YearMonth": "String", | ||
| ] | ||
| } |
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