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/*
* Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
*
* 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
*
* https://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 org.openapitools.codegen.languages;
import com.google.common.collect.ImmutableMap;
import com.samskivert.mustache.Mustache;
import com.samskivert.mustache.Mustache.Lambda;
import com.samskivert.mustache.Template;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.Operation;
import lombok.*;
import org.openapitools.codegen.CliOption;
import org.openapitools.codegen.CodegenConstants;
import org.openapitools.codegen.CodegenModel;
import org.openapitools.codegen.CodegenOperation;
import org.openapitools.codegen.CodegenParameter;
import org.openapitools.codegen.CodegenProperty;
import org.openapitools.codegen.CodegenResponse;
import org.openapitools.codegen.CodegenType;
import org.openapitools.codegen.SupportingFile;
import org.openapitools.codegen.languages.features.BeanValidationFeatures;
import org.openapitools.codegen.languages.features.DocumentationProviderFeatures;
import org.openapitools.codegen.languages.features.SwaggerUIFeatures;
import org.openapitools.codegen.meta.features.DocumentationFeature;
import org.openapitools.codegen.meta.features.GlobalFeature;
import org.openapitools.codegen.meta.features.ParameterFeature;
import org.openapitools.codegen.meta.features.SchemaSupportFeature;
import org.openapitools.codegen.meta.features.SecurityFeature;
import org.openapitools.codegen.meta.features.WireFormatFeature;
import org.openapitools.codegen.model.ModelMap;
import org.openapitools.codegen.model.ModelsMap;
import org.openapitools.codegen.model.OperationMap;
import org.openapitools.codegen.model.OperationsMap;
import org.openapitools.codegen.utils.URLPathUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.regex.Matcher;
import static org.openapitools.codegen.utils.CamelizeOption.LOWERCASE_FIRST_LETTER;
import static org.openapitools.codegen.utils.StringUtils.camelize;
public class KotlinSpringServerCodegen extends AbstractKotlinCodegen
implements BeanValidationFeatures, DocumentationProviderFeatures, SwaggerUIFeatures {
private final Logger LOGGER =
LoggerFactory.getLogger(KotlinSpringServerCodegen.class);
private static final HashSet VARIABLE_RESERVED_WORDS =
new HashSet<>(Arrays.asList(
"ApiClient",
"ApiException",
"ApiResponse"
));
public static final String OPEN_BRACE = "{";
public static final String CLOSE_BRACE = "}";
public static final String TITLE = "title";
public static final String SERVER_PORT = "serverPort";
public static final String CONFIG_PACKAGE = "configPackage";
public static final String BASE_PACKAGE = "basePackage";
public static final String SPRING_BOOT = "spring-boot";
public static final String SPRING_CLOUD_LIBRARY = "spring-cloud";
public static final String EXCEPTION_HANDLER = "exceptionHandler";
public static final String GRADLE_BUILD_FILE = "gradleBuildFile";
public static final String SERVICE_INTERFACE = "serviceInterface";
public static final String SERVICE_IMPLEMENTATION = "serviceImplementation";
public static final String SKIP_DEFAULT_INTERFACE = "skipDefaultInterface";
public static final String REACTIVE = "reactive";
public static final String INTERFACE_ONLY = "interfaceOnly";
public static final String USE_FEIGN_CLIENT_URL = "useFeignClientUrl";
public static final String USE_FEIGN_CLIENT = "useFeignClient";
public static final String DELEGATE_PATTERN = "delegatePattern";
public static final String USE_TAGS = "useTags";
public static final String BEAN_QUALIFIERS = "beanQualifiers";
public static final String USE_SPRING_BOOT3 = "useSpringBoot3";
public static final String APPEND_REQUEST_TO_HANDLER = "appendRequestToHandler";
public static final String REQUEST_MAPPING_OPTION = "requestMappingMode";
public static final String USE_REQUEST_MAPPING_ON_CONTROLLER = "useRequestMappingOnController";
public static final String USE_REQUEST_MAPPING_ON_INTERFACE = "useRequestMappingOnInterface";
public enum RequestMappingMode {
api_interface("Generate the @RequestMapping annotation on the generated Api Interface."),
controller("Generate the @RequestMapping annotation on the generated Api Controller Implementation."),
none("Do not add a class level @RequestMapping annotation.");
public String getDescription() {
return description;
}
private String description;
RequestMappingMode(String description) {
this.description = description;
}
}
@Getter @Setter
private String basePackage;
@Getter @Setter
protected String configPackage;
@Getter @Setter
private String invokerPackage;
@Getter @Setter
private String serverPort = "8080";
private String title = "OpenAPI Kotlin Spring";
private boolean useBeanValidation = true;
@Setter private boolean skipDefaultInterface = false;
@Setter private boolean exceptionHandler = true;
@Setter private boolean gradleBuildFile = true;
private boolean useSwaggerUI = true;
@Setter private boolean serviceInterface = false;
@Setter private boolean serviceImplementation = false;
@Getter @Setter
private boolean reactive = false;
@Setter private boolean interfaceOnly = false;
@Setter protected boolean useFeignClientUrl = true;
@Setter protected boolean useFeignClient = false;
@Setter private boolean delegatePattern = false;
@Setter protected boolean useTags = false;
@Setter private boolean beanQualifiers = false;
@Getter @Setter
protected boolean useSpringBoot3 = false;
protected RequestMappingMode requestMappingMode = RequestMappingMode.controller;
private DocumentationProvider documentationProvider;
private AnnotationLibrary annotationLibrary;
public KotlinSpringServerCodegen() {
super();
modifyFeatureSet(features -> features
.includeDocumentationFeatures(DocumentationFeature.Readme)
.wireFormatFeatures(EnumSet.of(WireFormatFeature.JSON, WireFormatFeature.XML))
.securityFeatures(EnumSet.of(
SecurityFeature.BasicAuth,
SecurityFeature.ApiKey,
SecurityFeature.OAuth2_Implicit,
SecurityFeature.OAuth2_ClientCredentials,
SecurityFeature.OAuth2_Password,
SecurityFeature.OAuth2_AuthorizationCode
))
.excludeGlobalFeatures(
GlobalFeature.XMLStructureDefinitions,
GlobalFeature.Callbacks,
GlobalFeature.LinkObjects,
GlobalFeature.ParameterStyling
)
.includeSchemaSupportFeatures(
SchemaSupportFeature.Polymorphism
)
.includeParameterFeatures(
ParameterFeature.Cookie
)
);
reservedWords.addAll(VARIABLE_RESERVED_WORDS);
outputFolder = "generated-code/kotlin-spring";
embeddedTemplateDir = templateDir = "kotlin-spring";
artifactId = "openapi-spring";
basePackage = invokerPackage = "org.openapitools";
configPackage = "org.openapitools.configuration";
apiPackage = "org.openapitools.api";
modelPackage = "org.openapitools.model";
// cliOptions default redefinition need to be updated
updateOption(CodegenConstants.ARTIFACT_ID, this.artifactId);
additionalProperties.put("openbrace", OPEN_BRACE);
additionalProperties.put("closebrace", CLOSE_BRACE);
// Use lists instead of arrays
typeMapping.put("array", "kotlin.collections.List");
typeMapping.put("list", "kotlin.collections.List");
// use resource for file handling
typeMapping.put("file", "org.springframework.core.io.Resource");
addOption(TITLE, "server title name or client service name", title);
addOption(CONFIG_PACKAGE, "configuration package for generated code", this.getConfigPackage());
addOption(BASE_PACKAGE, "base package (invokerPackage) for generated code", basePackage);
addOption(SERVER_PORT, "configuration the port in which the sever is to run on", serverPort);
addOption(CodegenConstants.MODEL_PACKAGE, "model package for generated code", modelPackage);
addOption(CodegenConstants.API_PACKAGE, "api package for generated code", apiPackage);
addSwitch(EXCEPTION_HANDLER, "generate default global exception handlers (not compatible with reactive. enabling reactive will disable exceptionHandler )", exceptionHandler);
addSwitch(GRADLE_BUILD_FILE, "generate a gradle build file using the Kotlin DSL", gradleBuildFile);
addSwitch(USE_SWAGGER_UI, "Open the OpenApi specification in swagger-ui. Will also import and configure needed dependencies", useSwaggerUI);
addSwitch(SERVICE_INTERFACE, "generate service interfaces to go alongside controllers. In most " +
"cases this option would be used to update an existing project, so not to override implementations. " +
"Useful to help facilitate the generation gap pattern", serviceInterface);
addSwitch(SERVICE_IMPLEMENTATION, "generate stub service implementations that extends service " +
"interfaces. If this is set to true service interfaces will also be generated", serviceImplementation);
addSwitch(USE_BEANVALIDATION, "Use BeanValidation API annotations to validate data types", useBeanValidation);
addSwitch(SKIP_DEFAULT_INTERFACE, "Whether to skip generation of default implementations for interfaces", skipDefaultInterface);
addSwitch(REACTIVE, "use coroutines for reactive behavior", reactive);
addSwitch(INTERFACE_ONLY, "Whether to generate only API interface stubs without the server files.", interfaceOnly);
addSwitch(USE_FEIGN_CLIENT_URL, "Whether to generate Feign client with url parameter.", useFeignClientUrl);
addSwitch(DELEGATE_PATTERN, "Whether to generate the server files using the delegate pattern", delegatePattern);
addSwitch(USE_TAGS, "Whether to use tags for creating interface and controller class names", useTags);
addSwitch(BEAN_QUALIFIERS, "Whether to add fully-qualifier class names as bean qualifiers in @Component and " +
"@RestController annotations. May be used to prevent bean names clash if multiple generated libraries" +
" (contexts) added to single project.", beanQualifiers);
addSwitch(USE_SPRING_BOOT3, "Generate code and provide dependencies for use with Spring Boot 3.x. (Use jakarta instead of javax in imports). Enabling this option will also enable `useJakartaEe`.", useSpringBoot3);
addSwitch(APPEND_REQUEST_TO_HANDLER, "Append ServerHttpRequest to handler method for getting request stuff", false);
supportedLibraries.put(SPRING_BOOT, "Spring-boot Server application.");
supportedLibraries.put(SPRING_CLOUD_LIBRARY,
"Spring-Cloud-Feign client with Spring-Boot auto-configured settings.");
setLibrary(SPRING_BOOT);
CliOption cliOpt = new CliOption(CodegenConstants.LIBRARY, CodegenConstants.LIBRARY_DESC);
cliOpt.setDefault(SPRING_BOOT);
cliOpt.setEnum(supportedLibraries);
cliOptions.add(cliOpt);
CliOption requestMappingOpt = new CliOption(REQUEST_MAPPING_OPTION,
"Where to generate the class level @RequestMapping annotation.")
.defaultValue(requestMappingMode.name());
for (RequestMappingMode mode: RequestMappingMode.values()) {
requestMappingOpt.addEnum(mode.name(), mode.getDescription());
}
cliOptions.add(requestMappingOpt);
if (null != defaultDocumentationProvider()) {
CliOption documentationProviderCliOption = new CliOption(DOCUMENTATION_PROVIDER,
"Select the OpenAPI documentation provider.")
.defaultValue(defaultDocumentationProvider().toCliOptValue());
supportedDocumentationProvider().forEach(dp ->
documentationProviderCliOption.addEnum(dp.toCliOptValue(), dp.getDescription()));
cliOptions.add(documentationProviderCliOption);
CliOption annotationLibraryCliOption = new CliOption(ANNOTATION_LIBRARY,
"Select the complementary documentation annotation library.")
.defaultValue(defaultDocumentationProvider().getPreferredAnnotationLibrary().toCliOptValue());
supportedAnnotationLibraries().forEach(al ->
annotationLibraryCliOption.addEnum(al.toCliOptValue(), al.getDescription()));
cliOptions.add(annotationLibraryCliOption);
}
}
@Override
public DocumentationProvider getDocumentationProvider() {
return documentationProvider;
}
@Override
public void setDocumentationProvider(DocumentationProvider documentationProvider) {
this.documentationProvider = documentationProvider;
}
@Override
public AnnotationLibrary getAnnotationLibrary() {
return annotationLibrary;
}
@Override
public void setAnnotationLibrary(AnnotationLibrary annotationLibrary) {
this.annotationLibrary = annotationLibrary;
}
@Override
public DocumentationProvider defaultDocumentationProvider() {
return DocumentationProvider.SPRINGDOC;
}
@Override
public List supportedDocumentationProvider() {
return Arrays.asList(
DocumentationProvider.NONE,
DocumentationProvider.SOURCE,
DocumentationProvider.SPRINGFOX,
DocumentationProvider.SPRINGDOC
);
}
@Override
public List supportedAnnotationLibraries() {
return Arrays.asList(
AnnotationLibrary.NONE,
AnnotationLibrary.SWAGGER1,
AnnotationLibrary.SWAGGER2
);
}
/**
* Whether the selected {@link DocumentationProviderFeatures.DocumentationProvider} requires us to bootstrap and
* configure swagger-ui by ourselves. Springdoc, for example ships its own swagger-ui integration.
*
* @return true if the selected DocumentationProvider requires us to bootstrap swagger-ui.
*/
private boolean selectedDocumentationProviderRequiresSwaggerUiBootstrap() {
return getDocumentationProvider().equals(DocumentationProvider.SPRINGFOX) ||
getDocumentationProvider().equals(DocumentationProvider.SOURCE);
}
public boolean getExceptionHandler() {
return this.exceptionHandler;
}
public boolean getGradleBuildFile() {
return this.gradleBuildFile;
}
public boolean getUseSwaggerUI() {
return this.useSwaggerUI;
}
@Override
public void setUseSwaggerUI(boolean useSwaggerUI) {
this.useSwaggerUI = useSwaggerUI;
}
public boolean getServiceInterface() {
return this.serviceInterface;
}
public boolean getServiceImplementation() {
return this.serviceImplementation;
}
public boolean getUseBeanValidation() {
return this.useBeanValidation;
}
public boolean isAppendRequestToHandler() {
return Boolean.parseBoolean(additionalProperties.getOrDefault(APPEND_REQUEST_TO_HANDLER, false).toString());
}
@Override
public void setUseBeanValidation(boolean useBeanValidation) {
this.useBeanValidation = useBeanValidation;
}
@Override
public CodegenType getTag() {
return CodegenType.SERVER;
}
@Override
public String getName() {
return "kotlin-spring";
}
@Override
public String getHelp() {
return "Generates a Kotlin Spring application.";
}
@Override
public void processOpts() {
super.processOpts();
if (DocumentationProvider.SPRINGFOX.equals(getDocumentationProvider())) {
LOGGER.warn("The springfox documentation provider is deprecated for removal. Use the springdoc provider instead.");
}
if (null != defaultDocumentationProvider()) {
documentationProvider = DocumentationProvider.ofCliOption(
(String) additionalProperties.getOrDefault(DOCUMENTATION_PROVIDER,
defaultDocumentationProvider().toCliOptValue())
);
if (!supportedDocumentationProvider().contains(documentationProvider)) {
String msg = String.format(Locale.ROOT,
"The [%s] Documentation Provider is not supported by this generator",
documentationProvider.toCliOptValue());
throw new IllegalArgumentException(msg);
}
annotationLibrary = AnnotationLibrary.ofCliOption(
(String) additionalProperties.getOrDefault(ANNOTATION_LIBRARY,
documentationProvider.getPreferredAnnotationLibrary().toCliOptValue())
);
if (!supportedAnnotationLibraries().contains(annotationLibrary)) {
String msg = String.format(Locale.ROOT, "The Annotation Library [%s] is not supported by this generator",
annotationLibrary.toCliOptValue());
throw new IllegalArgumentException(msg);
}
if (!documentationProvider.supportedAnnotationLibraries().contains(annotationLibrary)) {
String msg = String.format(Locale.ROOT,
"The [%s] documentation provider does not support [%s] as complementary annotation library",
documentationProvider.toCliOptValue(), annotationLibrary.toCliOptValue());
throw new IllegalArgumentException(msg);
}
additionalProperties.put(DOCUMENTATION_PROVIDER, documentationProvider.toCliOptValue());
additionalProperties.put(documentationProvider.getPropertyName(), true);
additionalProperties.put(ANNOTATION_LIBRARY, annotationLibrary.toCliOptValue());
additionalProperties.put(annotationLibrary.getPropertyName(), true);
} else {
additionalProperties.put(DOCUMENTATION_PROVIDER, DocumentationProvider.NONE);
additionalProperties.put(ANNOTATION_LIBRARY, AnnotationLibrary.NONE);
}
if (isModelMutable()) {
typeMapping.put("array", "kotlin.collections.MutableList");
typeMapping.put("list", "kotlin.collections.MutableList");
typeMapping.put("set", "kotlin.collections.MutableSet");
typeMapping.put("map", "kotlin.collections.MutableMap");
}
// optional jackson mappings for BigDecimal support
importMapping.put("ToStringSerializer", "com.fasterxml.jackson.databind.ser.std.ToStringSerializer");
importMapping.put("JsonSerialize", "com.fasterxml.jackson.databind.annotation.JsonSerialize");
// Swagger import mappings
importMapping.put("ApiModel", "io.swagger.annotations.ApiModel");
importMapping.put("ApiModelProperty", "io.swagger.annotations.ApiModelProperty");
// Jackson import mappings
importMapping.put("JsonValue", "com.fasterxml.jackson.annotation.JsonValue");
importMapping.put("JsonCreator", "com.fasterxml.jackson.annotation.JsonCreator");
importMapping.put("JsonProperty", "com.fasterxml.jackson.annotation.JsonProperty");
importMapping.put("JsonSubTypes", "com.fasterxml.jackson.annotation.JsonSubTypes");
importMapping.put("JsonTypeInfo", "com.fasterxml.jackson.annotation.JsonTypeInfo");
// import JsonCreator if JsonProperty is imported
// used later in recursive import in postProcessingModels
importMapping.put("com.fasterxml.jackson.annotation.JsonProperty", "com.fasterxml.jackson.annotation.JsonCreator");
if (!additionalProperties.containsKey(CodegenConstants.LIBRARY)) {
additionalProperties.put(CodegenConstants.LIBRARY, library);
}
// Set basePackage from invokerPackage
if (!additionalProperties.containsKey(BASE_PACKAGE)
&& additionalProperties.containsKey(CodegenConstants.INVOKER_PACKAGE)) {
this.setBasePackage((String) additionalProperties.get(CodegenConstants.INVOKER_PACKAGE));
this.setInvokerPackage((String) additionalProperties.get(CodegenConstants.INVOKER_PACKAGE));
additionalProperties.put(BASE_PACKAGE, basePackage);
LOGGER.info("Set base package to invoker package ({})", basePackage);
}
if (additionalProperties.containsKey(REQUEST_MAPPING_OPTION)) {
RequestMappingMode optValue = RequestMappingMode.valueOf(
String.valueOf(additionalProperties.get(REQUEST_MAPPING_OPTION)));
setRequestMappingMode(optValue);
additionalProperties.remove(REQUEST_MAPPING_OPTION);
}
if (additionalProperties.containsKey(CONFIG_PACKAGE)) {
this.setConfigPackage((String) additionalProperties.get(CONFIG_PACKAGE));
} else {
additionalProperties.put(CONFIG_PACKAGE, configPackage);
}
if (additionalProperties.containsKey(BASE_PACKAGE)) {
this.setBasePackage((String) additionalProperties.get(BASE_PACKAGE));
} else {
additionalProperties.put(BASE_PACKAGE, basePackage);
}
if (additionalProperties.containsKey(SERVER_PORT)) {
this.setServerPort((String) additionalProperties.get(SERVER_PORT));
} else {
additionalProperties.put(SERVER_PORT, serverPort);
}
if (additionalProperties.containsKey(EXCEPTION_HANDLER)) {
this.setExceptionHandler(Boolean.parseBoolean(additionalProperties.get(EXCEPTION_HANDLER).toString()));
}
writePropertyBack(EXCEPTION_HANDLER, exceptionHandler);
if (additionalProperties.containsKey(GRADLE_BUILD_FILE)) {
this.setGradleBuildFile(Boolean.parseBoolean(additionalProperties.get(GRADLE_BUILD_FILE).toString()));
}
writePropertyBack(GRADLE_BUILD_FILE, gradleBuildFile);
if (additionalProperties.containsKey(USE_SWAGGER_UI)) {
this.setUseSwaggerUI(Boolean.parseBoolean(additionalProperties.get(USE_SWAGGER_UI).toString()));
}
if (getDocumentationProvider().equals(DocumentationProvider.NONE)) {
this.setUseSwaggerUI(false);
}
writePropertyBack(USE_SWAGGER_UI, useSwaggerUI);
if (additionalProperties.containsKey(SERVICE_INTERFACE)) {
this.setServiceInterface(Boolean.parseBoolean(additionalProperties.get(SERVICE_INTERFACE).toString()));
}
writePropertyBack(SERVICE_INTERFACE, serviceInterface);
if (additionalProperties.containsKey(SERVICE_IMPLEMENTATION)) {
this.setServiceImplementation(Boolean.parseBoolean(additionalProperties.get(SERVICE_IMPLEMENTATION).toString()));
}
writePropertyBack(SERVICE_IMPLEMENTATION, serviceImplementation);
if (additionalProperties.containsKey(USE_BEANVALIDATION)) {
this.setUseBeanValidation(convertPropertyToBoolean(USE_BEANVALIDATION));
}
writePropertyBack(USE_BEANVALIDATION, useBeanValidation);
if (additionalProperties.containsKey(SKIP_DEFAULT_INTERFACE)) {
this.setSkipDefaultInterface(convertPropertyToBoolean(SKIP_DEFAULT_INTERFACE));
}
writePropertyBack(SKIP_DEFAULT_INTERFACE, skipDefaultInterface);
if (additionalProperties.containsKey(REACTIVE)) {
if (SPRING_CLOUD_LIBRARY.equals(library)) {
throw new IllegalArgumentException("Currently, reactive option doesn't supported by Spring Cloud");
}
if (library.equals(SPRING_BOOT)) {
this.setReactive(convertPropertyToBoolean(REACTIVE));
// spring webflux doesn't support @ControllerAdvice
this.setExceptionHandler(false);
}
}
writePropertyBack(REACTIVE, reactive);
writePropertyBack(EXCEPTION_HANDLER, exceptionHandler);
if (additionalProperties.containsKey(BEAN_QUALIFIERS) && library.equals(SPRING_BOOT)) {
this.setBeanQualifiers(convertPropertyToBoolean(BEAN_QUALIFIERS));
}
writePropertyBack(BEAN_QUALIFIERS, beanQualifiers);
if (additionalProperties.containsKey(INTERFACE_ONLY)) {
this.setInterfaceOnly(Boolean.parseBoolean(additionalProperties.get(INTERFACE_ONLY).toString()));
}
if (library.equals(SPRING_CLOUD_LIBRARY)) {
this.setInterfaceOnly(true);
this.setUseFeignClient(true);
additionalProperties.put(USE_FEIGN_CLIENT, true);
}
if (additionalProperties.containsKey(USE_FEIGN_CLIENT_URL)) {
this.setUseFeignClientUrl(Boolean.parseBoolean(additionalProperties.get(USE_FEIGN_CLIENT_URL).toString()));
}
writePropertyBack(USE_FEIGN_CLIENT_URL, useFeignClientUrl);
if (additionalProperties.containsKey(DELEGATE_PATTERN)) {
this.setDelegatePattern(Boolean.parseBoolean(additionalProperties.get(DELEGATE_PATTERN).toString()));
}
if (additionalProperties.containsKey(USE_TAGS)) {
this.setUseTags(Boolean.parseBoolean(additionalProperties.get(USE_TAGS).toString()));
}
if (additionalProperties.containsKey(USE_SPRING_BOOT3)) {
this.setUseSpringBoot3(convertPropertyToBoolean(USE_SPRING_BOOT3));
}
if (isUseSpringBoot3()) {
if (DocumentationProvider.SPRINGFOX.equals(getDocumentationProvider())) {
throw new IllegalArgumentException(DocumentationProvider.SPRINGFOX.getPropertyName() + " is not supported with Spring Boot > 3.x");
}
if (AnnotationLibrary.SWAGGER1.equals(getAnnotationLibrary())) {
throw new IllegalArgumentException(AnnotationLibrary.SWAGGER1.getPropertyName() + " is not supported with Spring Boot > 3.x");
}
useJakartaEe = true;
additionalProperties.put(USE_JAKARTA_EE, useJakartaEe);
applyJakartaPackage();
}
writePropertyBack(USE_SPRING_BOOT3, isUseSpringBoot3());
modelTemplateFiles.put("model.mustache", ".kt");
if (!this.interfaceOnly && this.delegatePattern) {
apiTemplateFiles.put("apiInterface.mustache", ".kt");
apiTemplateFiles.put("apiController.mustache", "Controller.kt");
} else if (interfaceOnly) {
apiTemplateFiles.put("apiInterface.mustache", ".kt");
} else {
apiTemplateFiles.put("api.mustache", "Controller.kt");
apiTestTemplateFiles.put("api_test.mustache", ".kt");
}
if (this.serviceInterface) {
apiTemplateFiles.put("service.mustache", "Service.kt");
} else if (this.serviceImplementation) {
LOGGER.warn("If you set `serviceImplementation` to true, `serviceInterface` will also be set to true");
additionalProperties.put(SERVICE_INTERFACE, true);
apiTemplateFiles.put("service.mustache", "Service.kt");
apiTemplateFiles.put("serviceImpl.mustache", "ServiceImpl.kt");
}
if (this.delegatePattern) {
additionalProperties.put("isDelegate", "true");
apiTemplateFiles.put("apiDelegate.mustache", "Delegate.kt");
}
supportingFiles.add(new SupportingFile("README.mustache", "", "README.md"));
if (this.exceptionHandler && !library.equals(SPRING_CLOUD_LIBRARY)) {
supportingFiles.add(new SupportingFile("exceptions.mustache",
sanitizeDirectory(sourceFolder + File.separator + apiPackage), "Exceptions.kt"));
}
if (library.equals(SPRING_BOOT)) {
LOGGER.info("Setup code generator for Kotlin Spring Boot");
supportingFiles.add(new SupportingFile("apiUtil.mustache",
(sourceFolder + File.separator + apiPackage).replace(".", java.io.File.separator), "ApiUtil.kt"));
if (isUseSpringBoot3()) {
supportingFiles.add(new SupportingFile("pom-sb3.mustache", "", "pom.xml"));
} else {
supportingFiles.add(new SupportingFile("pom.mustache", "", "pom.xml"));
}
if (this.gradleBuildFile) {
if (isUseSpringBoot3()) {
supportingFiles.add(new SupportingFile("buildGradle-sb3-Kts.mustache", "", "build.gradle.kts"));
} else {
supportingFiles.add(new SupportingFile("buildGradleKts.mustache", "", "build.gradle.kts"));
}
supportingFiles.add(new SupportingFile("settingsGradle.mustache", "", "settings.gradle"));
}
if (!this.interfaceOnly) {
if (this.documentationProvider != DocumentationProvider.NONE) {
supportingFiles.add(new SupportingFile("homeController.mustache",
(sourceFolder + File.separator + basePackage).replace(".", java.io.File.separator),
"HomeController.kt"));
supportingFiles.add(new SupportingFile("openapi.mustache",
resourcesFolder.replace("/", java.io.File.separator), "openapi.yaml"));
}
supportingFiles.add(new SupportingFile("application.mustache", resourcesFolder, "application.yaml"));
supportingFiles.add(new SupportingFile("springBootApplication.mustache",
sanitizeDirectory(sourceFolder + File.separator + basePackage), "Application.kt"));
if (useSwaggerUI && selectedDocumentationProviderRequiresSwaggerUiBootstrap()) {
supportingFiles.add(new SupportingFile("swagger-ui.mustache",
resourcesFolder + "/static", "swagger-ui.html"));
}
}
}
if (library.equals(SPRING_CLOUD_LIBRARY)) {
LOGGER.info("Setup code generator for Kotlin Spring Cloud Client");
if (isUseSpringBoot3()) {
supportingFiles.add(new SupportingFile("pom-sb3.mustache", "pom.xml"));
} else {
supportingFiles.add(new SupportingFile("pom.mustache", "pom.xml"));
}
if (this.gradleBuildFile) {
if (isUseSpringBoot3()) {
supportingFiles.add(new SupportingFile("buildGradle-sb3-Kts.mustache", "build.gradle.kts"));
} else {
supportingFiles.add(new SupportingFile("buildGradleKts.mustache", "build.gradle.kts"));
}
supportingFiles.add(new SupportingFile("settingsGradle.mustache", "settings.gradle"));
}
// @RequestMapping not supported with spring cloud openfeign.
setRequestMappingMode(RequestMappingMode.none);
supportingFiles.add(new SupportingFile("apiKeyRequestInterceptor.mustache",
(sourceFolder + File.separator + configPackage).replace(".", java.io.File.separator),
"ApiKeyRequestInterceptor.kt"));
supportingFiles.add(new SupportingFile("clientConfiguration.mustache",
(sourceFolder + File.separator + configPackage).replace(".", java.io.File.separator),
"ClientConfiguration.kt"));
apiTemplateFiles.put("apiClient.mustache", "Client.kt");
apiTestTemplateFiles.clear();
}
if (!reactive && !library.equals(SPRING_CLOUD_LIBRARY)) {
if (DocumentationProvider.SPRINGFOX.equals(getDocumentationProvider())) {
supportingFiles.add(new SupportingFile("springfoxDocumentationConfig.mustache",
(sourceFolder + File.separator + basePackage).replace(".", java.io.File.separator),
"SpringFoxConfiguration.kt"));
} else if (DocumentationProvider.SPRINGDOC.equals(getDocumentationProvider())) {
supportingFiles.add(new SupportingFile("springdocDocumentationConfig.mustache",
(sourceFolder + File.separator + basePackage).replace(".", java.io.File.separator),
"SpringDocConfiguration.kt"));
}
}
switch (getRequestMappingMode()) {
case api_interface:
additionalProperties.put(USE_REQUEST_MAPPING_ON_INTERFACE, true);
break;
case controller:
additionalProperties.put(USE_REQUEST_MAPPING_ON_CONTROLLER, true);
break;
case none:
additionalProperties.put(USE_REQUEST_MAPPING_ON_INTERFACE, false);
additionalProperties.put(USE_REQUEST_MAPPING_ON_CONTROLLER, false);
break;
}
// spring uses the jackson lib, and we disallow configuration.
additionalProperties.put("jackson", "true");
// add lambda for mustache templates
additionalProperties.put("lambdaEscapeInNormalString",
(Mustache.Lambda) (fragment, writer) -> writer.write(fragment.execute().replaceAll("([$\"\\\\])", "\\\\$1")));
additionalProperties.put("lambdaRemoveLineBreak",
(Mustache.Lambda) (fragment, writer) -> writer.write(fragment.execute().replaceAll("[\\r\\n]", "")));
}
@Override
protected ImmutableMap.Builder addMustacheLambdas() {
return super.addMustacheLambdas()
.put("escapeDoubleQuote", new EscapeLambda("\"", "\\\""));
}
@Override
public void addOperationToGroup(String tag, String resourcePath, Operation operation, CodegenOperation co, Map> operations) {
if (library.equals(SPRING_BOOT) && !useTags) {
String basePath = resourcePath;
if (basePath.startsWith("/")) {
basePath = basePath.substring(1);
}
int pos = basePath.indexOf("/");
if (pos > 0) {
basePath = basePath.substring(0, pos);
}
if (basePath.isEmpty()) {
basePath = "default";
} else {
co.subresourceOperation = !co.path.isEmpty();
}
List opList = operations.computeIfAbsent(basePath, k -> new ArrayList<>());
opList.add(co);
co.baseName = basePath;
} else {
super.addOperationToGroup(tag, resourcePath, operation, co, operations);
}
}
@Override
public void preprocessOpenAPI(OpenAPI openAPI) {
super.preprocessOpenAPI(openAPI);
if (!additionalProperties.containsKey(TITLE)) {
// The purpose of the title is for:
// - README documentation
// - The spring.application.name
// - And linking the @RequestMapping
// This is an additional step we add when pre-processing the API spec, if
// there is no user configuration set for the `title` of the project,
// we try build and normalise a title from the API spec itself.
String title = openAPI.getInfo().getTitle();
// Drop any API suffix
if (title != null) {
title = title.trim().replace(" ", "-");
if (title.toUpperCase(Locale.ROOT).endsWith("API"))
title = title.substring(0, title.length() - 3);
this.title = camelize(sanitizeName(title), LOWERCASE_FIRST_LETTER);
}
additionalProperties.put(TITLE, this.title);
}
if (!additionalProperties.containsKey(SERVER_PORT)) {
URL url = URLPathUtils.getServerURL(openAPI, serverVariableOverrides());
this.additionalProperties.put(SERVER_PORT, URLPathUtils.getPort(url, 8080));
}
// TODO: Handle tags
}
@Override
public void postProcessModelProperty(CodegenModel model, CodegenProperty property) {
super.postProcessModelProperty(model, property);
if ("null".equals(property.example)) {
property.example = null;
}
//Add imports for Jackson
if (!Boolean.TRUE.equals(model.isEnum)) {
model.imports.add("JsonProperty");
if (Boolean.TRUE.equals(model.hasEnums)) {
model.imports.add("JsonValue");
}
} else {
//Needed imports for Jackson's JsonCreator
if (additionalProperties.containsKey("jackson")) {
model.imports.add("JsonCreator");
}
}
if (model.discriminator != null && additionalProperties.containsKey("jackson")) {
model.imports.addAll(Arrays.asList("JsonSubTypes", "JsonTypeInfo"));
}
}
@Override
public ModelsMap postProcessModelsEnum(ModelsMap objs) {
objs = super.postProcessModelsEnum(objs);
//Add imports for Jackson
List> imports = objs.getImports();
objs.getModels().stream()
.map(ModelMap::getModel)
.filter(cm -> Boolean.TRUE.equals(cm.isEnum) && cm.allowableValues != null)
.forEach(cm -> {
cm.imports.add(importMapping.get("JsonValue"));
cm.imports.add(importMapping.get("JsonProperty"));
Map itemJsonValue = new HashMap<>();
itemJsonValue.put("import", importMapping.get("JsonValue"));
imports.add(itemJsonValue);
Map itemJsonProperty = new HashMap<>();
itemJsonProperty.put("import", importMapping.get("JsonProperty"));
imports.add(itemJsonProperty);
});
return objs;
}
@Override
public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List allModels) {
OperationMap operations = objs.getOperations();
if (operations != null) {
List ops = operations.getOperation();
ops.forEach(operation -> {
List responses = operation.responses;
if (responses != null) {
responses.forEach(resp -> {
if ("0".equals(resp.code)) {
resp.code = "200";
}
// This is necessary in case 'modelMutable' is enabled,
// to prevent Spring Request handlers from being generated with
// the ApiResponse annotation configured with the Mutable container type.
// See https://github.com/OpenAPITools/openapi-generator/pull/11154#discussion_r793108068
resp.baseType = getNonMutableContainerTypeIfNeeded(resp.baseType);
doDataTypeAssignment(resp.dataType, new DataTypeAssigner() {
@Override
public void setReturnType(final String returnType) {
resp.dataType = returnType;
}
@Override
public void setReturnContainer(final String returnContainer) {
resp.containerType = returnContainer;
}
});
});
}
final List allParams = operation.allParams;
if (allParams != null) {
if (this.isAppendRequestToHandler()) {
allParams.add(new RequestCodegenParameter(true));
}
allParams.forEach(param ->
// This is necessary in case 'modelMutable' is enabled,
// to prevent Spring Request handlers from being generated with
// parameters using their Mutable container types.
// See https://github.com/OpenAPITools/openapi-generator/pull/11154#discussion_r793094727
param.dataType = getNonMutableContainerTypeIfNeeded(param.dataType));
}
doDataTypeAssignment(operation.returnType, new DataTypeAssigner() {
@Override
public void setReturnType(final String returnType) {
operation.returnType = returnType;
}
@Override
public void setReturnContainer(final String returnContainer) {
operation.returnContainer = returnContainer;
}
});
// if(implicitHeaders){
// removeHeadersFromAllParams(operation.allParams);
// }
});
}
return objs;
}
@Override
public Map postProcessSupportingFileData(Map objs) {
generateYAMLSpecFile(objs);
return objs;
}
private String getNonMutableContainerTypeIfNeeded(String type) {
if (type != null && type.contains("kotlin.collections.Mutable")) {
return type.replaceAll("kotlin\\.collections\\.Mutable", "kotlin.collections.");
}
return type;
}
private static String sanitizeDirectory(String in) {
return in.replace(".", File.separator);
}
// TODO could probably be made more generic, and moved to the `mustache` package if required by other components.
private static class EscapeLambda implements Mustache.Lambda {
private final String from;
private final String to;
EscapeLambda(final String from, final String to) {
this.from = from;
this.to = Matcher.quoteReplacement(to);
}
@Override
public void execute(Template.Fragment fragment, Writer writer) throws IOException {
writer.write(fragment.execute().replaceAll(from, to));
}
}
/**
* Output the proper model name (capitalized).
* In case the name belongs to the TypeSystem it won't be renamed.
*
* @param name the name of the model
* @return capitalized model name
*/
@Override
public String toModelName(final String name) {
// Allow for explicitly configured spring.*
if (name.startsWith("org.springframework.")) {
return name;
}
return super.toModelName(name);
}
/**
* Check the type to see if it needs import the library/module/package
*
* @param type name of the type
* @return true if the library/module/package of the corresponding type needs to be imported
*/
@Override
protected boolean needToImport(String type) {
// provides extra protection against improperly trying to import language primitives and java types
return !type.startsWith("org.springframework.") && super.needToImport(type);
}
@AllArgsConstructor
@Data
@EqualsAndHashCode(callSuper = true)
static class RequestCodegenParameter extends CodegenParameter {
boolean isRequestObject;
}
public RequestMappingMode getRequestMappingMode() {
return requestMappingMode;
}
public void setRequestMappingMode(RequestMappingMode requestMappingMode) {
this.requestMappingMode = requestMappingMode;
}
}
