/
Cli.java
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/
Cli.java
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package com.fern.java.spring;
import com.fasterxml.jackson.databind.JsonNode;
import com.fern.generator.exec.model.config.GeneratorConfig;
import com.fern.generator.exec.model.config.GeneratorPublishConfig;
import com.fern.generator.exec.model.config.GithubOutputMode;
import com.fern.irV42.core.ObjectMappers;
import com.fern.irV42.model.commons.ErrorId;
import com.fern.irV42.model.ir.ErrorDiscriminationByPropertyStrategy;
import com.fern.irV42.model.ir.IntermediateRepresentation;
import com.fern.java.AbstractGeneratorCli;
import com.fern.java.DefaultGeneratorExecClient;
import com.fern.java.generators.AuthGenerator;
import com.fern.java.generators.DateTimeDeserializerGenerator;
import com.fern.java.generators.ObjectMappersGenerator;
import com.fern.java.generators.TypesGenerator;
import com.fern.java.generators.TypesGenerator.Result;
import com.fern.java.output.GeneratedAuthFiles;
import com.fern.java.output.GeneratedJavaFile;
import com.fern.java.output.GeneratedObjectMapper;
import com.fern.java.output.gradle.AbstractGradleDependency;
import com.fern.java.spring.generators.ApiExceptionGenerator;
import com.fern.java.spring.generators.ErrorBodyGenerator;
import com.fern.java.spring.generators.ExceptionGenerator;
import com.fern.java.spring.generators.SpringServerInterfaceGenerator;
import com.palantir.common.streams.KeyedStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class Cli extends AbstractGeneratorCli<SpringCustomConfig, SpringDownloadFilesCustomConfig> {
private static final Logger log = LoggerFactory.getLogger(Cli.class);
private final List<String> subprojects = new ArrayList<>();
@Override
public void runInDownloadFilesModeHook(
DefaultGeneratorExecClient generatorExecClient,
GeneratorConfig generatorConfig,
IntermediateRepresentation ir,
SpringDownloadFilesCustomConfig customConfig) {
SpringGeneratorContext context = new SpringGeneratorContext(
ir,
generatorConfig,
SpringCustomConfig.builder()
.wrappedAliases(customConfig.wrappedAliases())
.build(),
customConfig);
generateClient(context, ir);
}
@Override
public void runInGithubModeHook(
DefaultGeneratorExecClient generatorExecClient,
GeneratorConfig generatorConfig,
IntermediateRepresentation ir,
SpringCustomConfig customConfig,
GithubOutputMode githubOutputMode) {
throw new RuntimeException("Github mode is unsupported!");
}
@Override
public void runInPublishModeHook(
DefaultGeneratorExecClient generatorExecClient,
GeneratorConfig generatorConfig,
IntermediateRepresentation ir,
SpringCustomConfig customConfig,
GeneratorPublishConfig publishOutputMode) {
throw new RuntimeException("Publish mode is unsupported!");
}
public void generateClient(SpringGeneratorContext context, IntermediateRepresentation ir) {
SpringCustomConfig springCustomConfig = getCustomConfig(context.getGeneratorConfig());
// core
ObjectMappersGenerator objectMappersGenerator = new ObjectMappersGenerator(context);
GeneratedObjectMapper objectMapper = objectMappersGenerator.generateFile();
this.addGeneratedFile(objectMapper);
ApiExceptionGenerator apiExceptionGenerator = new ApiExceptionGenerator(context);
GeneratedJavaFile apiException = apiExceptionGenerator.generateFile();
this.addGeneratedFile(apiException);
DateTimeDeserializerGenerator dateTimeDeserializerGenerator = new DateTimeDeserializerGenerator(context);
this.addGeneratedFile(dateTimeDeserializerGenerator.generateFile());
Optional<GeneratedJavaFile> errorBodyFile = getErrorBody(context);
errorBodyFile.ifPresent(this::addGeneratedFile);
// auth
AuthGenerator authGenerator = new AuthGenerator(context);
Optional<GeneratedAuthFiles> maybeAuth = authGenerator.generate();
maybeAuth.ifPresent(this::addGeneratedFile);
// types
TypesGenerator typesGenerator = new TypesGenerator(context, springCustomConfig.enablePublicConstructors());
Result generatedTypes = typesGenerator.generateFiles();
generatedTypes.getTypes().values().forEach(this::addGeneratedFile);
generatedTypes.getInterfaces().values().forEach(this::addGeneratedFile);
// errors
Map<ErrorId, GeneratedSpringException> generatedErrors = KeyedStream.stream(
context.getIr().getErrors())
.map(errorDeclaration -> {
ExceptionGenerator exceptionGenerator =
new ExceptionGenerator(context, apiException, errorBodyFile, errorDeclaration);
GeneratedSpringException springException = exceptionGenerator.generateFile();
this.addGeneratedFile(springException);
this.addGeneratedFile(springException.controllerAdvice());
return springException;
})
.collectToMap();
// services
List<GeneratedSpringServerInterface> generatedSpringServerInterfaces = ir.getServices().values().stream()
.map(httpService -> {
SpringServerInterfaceGenerator httpServiceClientGenerator = new SpringServerInterfaceGenerator(
context, maybeAuth, generatedTypes.getInterfaces(), generatedErrors, httpService);
return httpServiceClientGenerator.generateFile();
})
.collect(Collectors.toList());
generatedSpringServerInterfaces.forEach(generatedSpringServerInterface -> {
addGeneratedFile(generatedSpringServerInterface);
generatedSpringServerInterface.geenratedRequestBodyFiles().forEach(this::addGeneratedFile);
});
}
@Override
public List<AbstractGradleDependency> getBuildGradleDependencies() {
return List.of();
}
@Override
public List<String> getSubProjects() {
return subprojects;
}
@Override
public SpringDownloadFilesCustomConfig getDownloadFilesCustomConfig(GeneratorConfig generatorConfig) {
if (generatorConfig.getCustomConfig().isPresent()) {
JsonNode node = ObjectMappers.JSON_MAPPER.valueToTree(
generatorConfig.getCustomConfig().get());
return ObjectMappers.JSON_MAPPER.convertValue(node, SpringDownloadFilesCustomConfig.class);
}
return SpringDownloadFilesCustomConfig.builder().build();
}
@Override
public SpringCustomConfig getCustomConfig(GeneratorConfig generatorConfig) {
if (generatorConfig.getCustomConfig().isPresent()) {
JsonNode node = ObjectMappers.JSON_MAPPER.valueToTree(
generatorConfig.getCustomConfig().get());
return ObjectMappers.JSON_MAPPER.convertValue(node, SpringCustomConfig.class);
}
return SpringCustomConfig.builder().build();
}
private Optional<GeneratedJavaFile> getErrorBody(SpringGeneratorContext context) {
if (context.getIr().getErrorDiscriminationStrategy().isProperty()) {
ErrorDiscriminationByPropertyStrategy errorDiscriminationByPropertyStrategy = context.getIr()
.getErrorDiscriminationStrategy()
.getProperty()
.get();
ErrorBodyGenerator errorBodyGenerator =
new ErrorBodyGenerator(errorDiscriminationByPropertyStrategy, context);
return Optional.of(errorBodyGenerator.generateFile());
}
return Optional.empty();
}
public static void main(String... args) {
Cli cli = new Cli();
cli.run(args);
}
}