Examples with CodeGenerator com.google.api.codegen.common.CodeGenerator used on opensource projects

Example 1 with CodeGenerator

use of com.google.api.codegen.common.CodeGenerator in project toolkit by googleapis.

the class GapicGeneratorApp method process.

@Override
protected void process() throws Exception {
    String protoPackage = Strings.emptyToNull(options.get(PROTO_PACKAGE));
    // Read the GAPIC config, if it was given, and convert it to proto.
    List<String> configFileNames = options.get(GENERATOR_CONFIG_FILES);
    ConfigProto configProto = null;
    if (configFileNames.size() > 0) {
        // Read the YAML config and convert it to proto.
        ConfigSource configSource = loadConfigFromFiles(configFileNames, ConfigProto.getDescriptor().getFullName(), ConfigProto.getDefaultInstance());
        if (configSource == null) {
            return;
        }
        configProto = (ConfigProto) configSource.getConfig();
        if (configProto == null) {
            return;
        }
    }
    // Consume gRPC Service Config if it is given with gapic_v2.
    String gRPCServiceConfigPath = options.get(GRPC_SERVICE_CONFIG);
    ServiceConfig gRPCServiceConfig = null;
    if (!Strings.isNullOrEmpty(gRPCServiceConfigPath) && configProto.getConfigSchemaVersion().equals("2.0.0")) {
        ServiceConfig.Builder builder = ServiceConfig.newBuilder();
        FileReader file = new FileReader(gRPCServiceConfigPath);
        JsonFormat.parser().merge(file, builder);
        gRPCServiceConfig = builder.build();
    }
    // Read the sample configs, if they are given, and convert them to protos.
    SampleConfigProto sampleConfigProto = null;
    List<String> sampleConfigFileNames = options.get(SAMPLE_CONFIG_FILES);
    if (sampleConfigFileNames.size() > 0) {
        ConfigSource configSource = loadConfigFromFiles(SampleConfigSanitizer.sanitize(sampleConfigFileNames), SampleConfigProto.getDescriptor().getFullName(), SampleConfigProto.getDefaultInstance());
        // TODO(hzyi): Verify this works for repeated fields as well
        // TODO(hzyi): Allow users to put arbitrary top-level directives not
        // used by gapic-generator
        sampleConfigProto = (SampleConfigProto) configSource.getConfig();
    }
    model.establishStage(Merged.KEY);
    if (model.getDiagReporter().getDiagCollector().getErrorCount() > 0) {
        for (Diag diag : model.getDiagReporter().getDiagCollector().getDiags()) {
            System.err.println(diag.toString());
        }
        return;
    }
    ApiDefaultsConfig apiDefaultsConfig = ApiDefaultsConfig.load();
    DependenciesConfig dependenciesConfig = DependenciesConfig.load();
    TargetLanguage language;
    if (!Strings.isNullOrEmpty(options.get(LANGUAGE))) {
        language = TargetLanguage.fromString(options.get(LANGUAGE).toUpperCase());
    } else {
        throw new IllegalArgumentException("Language not set by --language option.");
    }
    String clientPackage = Strings.emptyToNull(options.get(CLIENT_PACKAGE));
    String transport = options.get(TRANSPORT).toLowerCase();
    TransportProtocol tp;
    if (transport.equals("grpc")) {
        tp = TransportProtocol.GRPC;
    } else if (transport.equals("rest")) {
        tp = TransportProtocol.HTTP;
    } else {
        throw new IllegalArgumentException("Unknown transport protocol: " + transport);
    }
    GapicProductConfig productConfig = GapicProductConfig.create(model, configProto, sampleConfigProto, protoPackage, clientPackage, language, gRPCServiceConfig, tp);
    if (productConfig == null) {
        ToolUtil.reportDiags(model.getDiagReporter().getDiagCollector(), true);
        return;
    }
    PackagingConfig packagingConfig;
    if (!Strings.isNullOrEmpty(options.get(PACKAGE_CONFIG2_FILE))) {
        packagingConfig = PackagingConfig.load(options.get(PACKAGE_CONFIG2_FILE));
    } else {
        packagingConfig = PackagingConfig.loadFromProductConfig(productConfig.getInterfaceConfigMap());
    }
    PackageMetadataConfig packageConfig = PackageMetadataConfig.createFromPackaging(apiDefaultsConfig, dependenciesConfig, packagingConfig);
    // TODO(hzyi-google): Once we switch to sample configs, require an
    // additional check to generate samples:
    // `sampleConfigProto != null`
    ArtifactFlags artifactFlags = new ArtifactFlags(options.get(ENABLED_ARTIFACTS), artifactType, options.get(DEV_SAMPLES));
    List<CodeGenerator<?>> generators = GapicGeneratorFactory.create(language, model, productConfig, packageConfig, artifactFlags);
    ImmutableMap.Builder<String, GeneratedResult<?>> generatedResults = ImmutableMap.builder();
    for (CodeGenerator<?> generator : generators) {
        Map<String, ? extends GeneratedResult<?>> generatorResult = generator.generate();
        for (Map.Entry<String, ? extends GeneratedResult<?>> entry : generatorResult.entrySet()) {
            generatedResults.put(entry.getKey(), entry.getValue());
        }
    }
    gapicWriter.writeCodeGenOutput(generatedResults.build(), model.getDiagReporter().getDiagCollector());
}

Example 2 with CodeGenerator

use of com.google.api.codegen.common.CodeGenerator in project toolkit by googleapis.

the class DiscoGapicGeneratorFactory method create.

/**
 * Create the DiscoGapicGenerator based on the given id
 */
public static List<CodeGenerator<?>> create(TargetLanguage language, DiscoApiModel model, GapicProductConfig productConfig, PackageMetadataConfig packageConfig, ArtifactFlags artifactFlags) {
    ArrayList<CodeGenerator<?>> generators = new ArrayList<>();
    // Please keep the following IDs in alphabetical order
    if (language.equals(JAVA)) {
        if (artifactFlags.surfaceGeneratorEnabled()) {
            if (artifactFlags.codeFilesEnabled()) {
                GapicCodePathMapper javaPathMapper = CommonGapicCodePathMapper.newBuilder().setPrefix("src/main/java").setShouldAppendPackage(true).build();
                List<ModelToViewTransformer<DiscoApiModel>> transformers = Arrays.asList(new JavaDiscoGapicResourceNameToViewTransformer(javaPathMapper), new JavaDiscoGapicSchemaToViewTransformer(javaPathMapper), new JavaDiscoGapicRequestToViewTransformer(javaPathMapper), new JavaDiscoGapicSurfaceTransformer(javaPathMapper));
                DiscoGapicGenerator generator = DiscoGapicGenerator.newBuilder().setDiscoApiModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new JavaRenderingUtil())).setModelToViewTransformers(transformers).build();
                generators.add(generator);
            }
            if (artifactFlags.packagingFilesEnabled()) {
                CodeGenerator metadataGenerator = DiscoGapicGenerator.newBuilder().setDiscoApiModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new JavaRenderingUtil())).setModelToViewTransformers(Collections.singletonList(new JavaGapicPackageTransformer<>(packageConfig))).build();
                generators.add(metadataGenerator);
            }
        }
        if (artifactFlags.testGeneratorEnabled()) {
            GapicCodePathMapper javaTestPathMapper = CommonGapicCodePathMapper.newBuilder().setPrefix("src/test/java").setShouldAppendPackage(true).build();
            CodeGenerator<?> testGenerator = DiscoGapicGenerator.newBuilder().setDiscoApiModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformers(Arrays.asList(new JavaSurfaceTestTransformer<>(javaTestPathMapper, new JavaDiscoGapicSurfaceTransformer(javaTestPathMapper), "java/http_test.snip"))).build();
            generators.add(testGenerator);
        }
        return generators;
    } else {
        throw new UnsupportedOperationException("DiscoGapicGeneratorFactory: unsupported language \"" + language + "\"");
    }
}

Example 3 with CodeGenerator

use of com.google.api.codegen.common.CodeGenerator in project toolkit by googleapis.

the class GapicTestBase2 method run.

@Override
public Map<String, ?> run() throws IOException {
    model.establishStage(Merged.KEY);
    if (model.getDiagReporter().getDiagCollector().getErrorCount() > 0) {
        for (Diag diag : model.getDiagReporter().getDiagCollector().getDiags()) {
            System.err.println(diag.toString());
        }
        return null;
    }
    if (sampleConfig == null) {
        sampleConfig = SampleConfigProto.getDefaultInstance();
    }
    GapicProductConfig productConfig = GapicProductConfig.create(model, gapicConfig, sampleConfig, protoPackage, clientPackage, language, grpcServiceConfig, transportProtocol);
    if (productConfig == null) {
        for (Diag diag : model.getDiagReporter().getDiagCollector().getDiags()) {
            System.err.println(diag.toString());
        }
        return null;
    }
    List<String> enabledArtifacts = new ArrayList<>();
    if (hasSmokeTestConfig(productConfig)) {
        enabledArtifacts.addAll(Arrays.asList("surface", "test", "samples"));
    }
    ArtifactFlags artifactFlags = new ArtifactFlags(enabledArtifacts, ArtifactType.LEGACY_GAPIC_AND_PACKAGE, true);
    PackagingConfig actualPackagingConfig = packagingConfig;
    if (actualPackagingConfig == null) {
        actualPackagingConfig = PackagingConfig.loadFromProductConfig(productConfig.getInterfaceConfigMap());
    }
    PackageMetadataConfig packageConfig = PackageMetadataConfig.createFromPackaging(apiDefaultsConfig, dependenciesConfig, actualPackagingConfig);
    List<CodeGenerator<?>> generators = GapicGeneratorFactory.create(language, model, productConfig, packageConfig, artifactFlags);
    // Don't run any generators we're not testing.
    ArrayList<CodeGenerator<?>> testedGenerators = new ArrayList<>();
    for (CodeGenerator<?> generator : generators) {
        if (!Collections.disjoint(generator.getInputFileNames(), snippetNames)) {
            testedGenerators.add(generator);
        }
    }
    Map<String, Object> output = new TreeMap<>();
    for (CodeGenerator<?> generator : testedGenerators) {
        Map<String, ? extends GeneratedResult<?>> out = generator.generate();
        if (!Collections.disjoint(out.keySet(), output.keySet())) {
            throw new IllegalStateException("file conflict");
        }
        for (Map.Entry<String, ? extends GeneratedResult<?>> entry : out.entrySet()) {
            Object value = (entry.getValue().getBody() instanceof byte[]) ? "Static or binary file content is not shown." : entry.getValue().getBody();
            output.put(entry.getKey(), value);
        }
    }
    return output;
}

Example 4 with CodeGenerator

use of com.google.api.codegen.common.CodeGenerator in project toolkit by googleapis.

the class GapicTestBase2 method createTestConfig.

/**
 * Creates the constructor arguments to be passed onto this class (GapicTestBase2) to create test
 * methods. The langauge String is passed to GapicGeneratorFactory to get the GapicGenerators
 * provided by that language, and then the snippet file names are scraped from those generators,
 * and a set of arguments is created for each combination of CodeGenerator x snippet that
 * GapicGeneratorFactory returns.
 */
public static Object[] createTestConfig(TargetLanguage language, String[] gapicConfigFileNames, String packageConfigFileName, String apiName, String protoPackage, String clientPackage, String grpcServiceConfigFileName, String[] sampleConfigFileNames, String baseline, TransportProtocol transportProtocol, String... baseNames) {
    Model model = Model.create(Service.getDefaultInstance());
    GapicProductConfig productConfig = GapicProductConfig.createDummyInstance();
    PackageMetadataConfig packageConfig = PackageMetadataConfig.createDummyPackageMetadataConfig();
    ArtifactFlags artifactFlags = new ArtifactFlags(Arrays.asList("surface", "test", "samples"), ArtifactType.LEGACY_GAPIC_AND_PACKAGE, true);
    List<CodeGenerator<?>> generators = GapicGeneratorFactory.create(language, model, productConfig, packageConfig, artifactFlags);
    List<String> snippetNames = new ArrayList<>();
    for (CodeGenerator<?> generator : generators) {
        snippetNames.addAll(generator.getInputFileNames());
    }
    // autogenerated name will be provided.
    if (baseline == null) {
        StringBuilder suffix = new StringBuilder();
        if (gapicConfigFileNames == null || gapicConfigFileNames.length == 0) {
            suffix.append("_no_gapic_config");
        }
        if (!Strings.isNullOrEmpty(grpcServiceConfigFileName)) {
            suffix.append("_with_grpc_service_config");
        }
        baseline = language.toString().toLowerCase() + "_" + apiName + suffix + ".baseline";
    }
    baseNames = Lists.asList(apiName, baseNames).toArray(new String[0]);
    return new Object[] { language, gapicConfigFileNames, sampleConfigFileNames, packageConfigFileName, snippetNames, baseline, protoPackage, clientPackage, grpcServiceConfigFileName, transportProtocol, baseNames };
}

Example 5 with CodeGenerator

use of com.google.api.codegen.common.CodeGenerator in project toolkit by googleapis.

the class GapicGeneratorFactory method create.

/**
 * Create the GapicGenerators based on the given id.
 *
 * <p>If {@code devSamples} is set, standalone samples are generated for all languages, including
 * those that currently have development stubs. Otherwise, samples are only produced in languages
 * where they are production-ready.
 */
public static List<CodeGenerator<?>> create(TargetLanguage language, Model model, GapicProductConfig productConfig, PackageMetadataConfig packageConfig, ArtifactFlags artifactFlags) {
    ArrayList<CodeGenerator<?>> generators = new ArrayList<>();
    // Please keep the following IDs in alphabetical order
    if (language.equals(CSHARP)) {
        String packageName = productConfig.getPackageName();
        Function<String, GapicCodePathMapper> newCodePathMapper = suffix -> CommonGapicCodePathMapper.newBuilder().setPrefix(packageName + File.separator + packageName + suffix).setPackageFilePathNameFormatter(new CSharpNameFormatter()).build();
        Function<ModelToViewTransformer<ProtoApiModel>, CodeGenerator> newCsharpGenerator = transformer -> GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CSharpRenderingUtil())).setModelToViewTransformer(transformer).build();
        if (artifactFlags.surfaceGeneratorEnabled()) {
            GapicCodePathMapper clientPathMapper = newCodePathMapper.apply("");
            if (artifactFlags.codeFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(new CSharpGapicClientTransformer(clientPathMapper)));
            }
            if (artifactFlags.packagingFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(new CSharpGapicClientPackageTransformer(clientPathMapper, packageConfig)));
            }
            GapicCodePathMapper snippetPathMapper = newCodePathMapper.apply(".Snippets");
            if (artifactFlags.codeFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(new CSharpGapicSnippetsTransformer(snippetPathMapper)));
            }
            if (artifactFlags.packagingFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(CSharpBasicPackageTransformer.forSnippets(snippetPathMapper)));
            }
        }
        if (artifactFlags.testGeneratorEnabled()) {
            GapicCodePathMapper smokeTestPathMapper = newCodePathMapper.apply(".SmokeTests");
            if (artifactFlags.codeFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(new CSharpGapicSmokeTestTransformer(smokeTestPathMapper)));
            }
            if (artifactFlags.packagingFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(CSharpBasicPackageTransformer.forSmokeTests(smokeTestPathMapper)));
            }
            GapicCodePathMapper unitTestPathMapper = newCodePathMapper.apply(".Tests");
            if (artifactFlags.codeFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(new CSharpGapicUnitTestTransformer(unitTestPathMapper)));
            }
            if (artifactFlags.packagingFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(CSharpBasicPackageTransformer.forUnitTests(unitTestPathMapper)));
            }
        }
        if (artifactFlags.devSamplesEnabled()) {
            GapicCodePathMapper samplePathMapper = newCodePathMapper.apply(".Samples");
            CSharpStandaloneSampleTransformer csharpSampleTransformer = new CSharpStandaloneSampleTransformer(samplePathMapper);
            generators.add(newCsharpGenerator.apply(csharpSampleTransformer));
            if (artifactFlags.packagingFilesEnabled()) {
                generators.add(newCsharpGenerator.apply(CSharpBasicPackageTransformer.forSamples(samplePathMapper)));
            }
        }
    } else if (language.equals(GO)) {
        if (artifactFlags.surfaceGeneratorEnabled()) {
            CodeGenerator generator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new GoGapicSurfaceTransformer(new PackageNameCodePathMapper())).build();
            generators.add(generator);
        }
        if (artifactFlags.testGeneratorEnabled()) {
            CodeGenerator testGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new GoGapicSurfaceTestTransformer()).build();
            generators.add(testGenerator);
        }
    } else if (language.equals(JAVA)) {
        Function<ModelToViewTransformer<ProtoApiModel>, CodeGenerator> newJavaGenerator = transformer -> GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new JavaRenderingUtil())).setModelToViewTransformer(transformer).build();
        if (artifactFlags.surfaceGeneratorEnabled()) {
            GapicCodePathMapper javaPathMapper = JavaGapicCodePathMapper.newBuilder().prefix("src/main/java").build();
            if (artifactFlags.codeFilesEnabled()) {
                generators.add(newJavaGenerator.apply(new JavaGapicSurfaceTransformer(javaPathMapper)));
                if (artifactFlags.devSamplesEnabled()) {
                    generators.add(newJavaGenerator.apply(new JavaGapicSamplesTransformer()));
                    generators.add(newJavaGenerator.apply(new JavaGapicSamplesPackageTransformer(packageConfig)));
                    generators.add(newJavaGenerator.apply(JavaGapicSamplesTransformer.createManifestTransformer()));
                }
            }
            if (artifactFlags.packagingFilesEnabled()) {
                generators.add(newJavaGenerator.apply(new JavaGapicPackageTransformer<>(packageConfig)));
                CodeGenerator staticResourcesGenerator = new StaticResourcesGenerator(ImmutableMap.<String, String>builder().put("java/static/build.gradle", "../build.gradle").put("java/static/settings.gradle", "../settings.gradle").put("java/static/gradlew", "../gradlew").put("java/static/gradlew.bat", "../gradlew.bat").put("java/static/gradle/wrapper/gradle-wrapper.jar", "../gradle/wrapper/gradle-wrapper.jar").put("java/static/gradle/wrapper/gradle-wrapper.properties", "../gradle/wrapper/gradle-wrapper.properties").build(), ImmutableSet.of("../gradlew"));
                generators.add(staticResourcesGenerator);
            }
        }
        if (artifactFlags.testGeneratorEnabled()) {
            if (artifactFlags.codeFilesEnabled()) {
                GapicCodePathMapper javaTestPathMapper = JavaGapicCodePathMapper.newBuilder().prefix("src/test/java").build();
                generators.add(newJavaGenerator.apply(new JavaSurfaceTestTransformer<>(javaTestPathMapper, new JavaGapicSurfaceTransformer(javaTestPathMapper), "java/test.snip")));
            }
        }
        return generators;
    } else if (language.equals(NODEJS)) {
        if (artifactFlags.surfaceGeneratorEnabled()) {
            GapicCodePathMapper nodeJSPathMapper = new NodeJSCodePathMapper();
            CodeGenerator mainGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new NodeJSGapicSurfaceTransformer(nodeJSPathMapper, packageConfig)).build();
            CodeGenerator metadataGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new NodeJSPackageMetadataTransformer(packageConfig)).build();
            CodeGenerator clientConfigGenerator = LegacyGapicGenerator.newBuilder().setModel(model).setContext(new ClientConfigGapicContext(model, productConfig)).setSnippetSetRunner(new ClientConfigSnippetSetRunner<>(SnippetSetRunner.SNIPPET_RESOURCE_ROOT)).setSnippetFileNames(Arrays.asList("clientconfig/json.snip")).setCodePathMapper(nodeJSPathMapper).build();
            generators.add(mainGenerator);
            generators.add(metadataGenerator);
            generators.add(clientConfigGenerator);
            if (artifactFlags.devSamplesEnabled()) {
                GapicCodePathMapper nodejsSamplePathMapper = new CommonSampleCodePathMapper();
                NodeJSGapicSamplesTransformer nodejsGapicSamplesTransformer = new NodeJSGapicSamplesTransformer(nodejsSamplePathMapper);
                CodeGenerator sampleGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(nodejsGapicSamplesTransformer).build();
                CodeGenerator sampleMetadataGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new NodeJSSamplePackageMetadataTransformer(packageConfig)).build();
                generators.add(sampleGenerator);
                generators.add(sampleMetadataGenerator);
            }
            CodeGenerator messageGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new NodeJSGapicSurfaceDocTransformer()).build();
            generators.add(messageGenerator);
        }
        if (artifactFlags.testGeneratorEnabled()) {
            CodeGenerator testGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new NodeJSGapicSurfaceTestTransformer()).build();
            generators.add(testGenerator);
        }
    } else if (language.equals(PHP)) {
        if (artifactFlags.surfaceGeneratorEnabled()) {
            if (artifactFlags.codeFilesEnabled()) {
                GapicCodePathMapper phpPathMapper = PhpGapicCodePathMapper.newBuilder().setPrefix("src").build();
                CodeGenerator generator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new PhpGapicSurfaceTransformer(productConfig, phpPathMapper, model)).build();
                generators.add(generator);
                GapicCodePathMapper phpClientConfigPathMapper = PhpGapicCodePathMapper.newBuilder().setPrefix("src").setSuffix("resources").build();
                CodeGenerator clientConfigGenerator = LegacyGapicGenerator.newBuilder().setModel(model).setContext(new PhpClientConfigGapicContext(model, productConfig)).setSnippetSetRunner(new ClientConfigSnippetSetRunner<>(SnippetSetRunner.SNIPPET_RESOURCE_ROOT)).setSnippetFileNames(Arrays.asList("clientconfig/json.snip")).setCodePathMapper(phpClientConfigPathMapper).build();
                generators.add(clientConfigGenerator);
            }
            if (artifactFlags.packagingFilesEnabled()) {
                CodeGenerator metadataGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new PhpPackageMetadataTransformer(packageConfig)).build();
                generators.add(metadataGenerator);
            }
            if (artifactFlags.devSamplesEnabled()) {
                GapicCodePathMapper phpSamplePathMapper = PhpGapicCodePathMapper.newBuilder().setPrefix("samples").build();
                PhpGapicSamplesTransformer phpGapicSamplesTransformer = new PhpGapicSamplesTransformer(phpSamplePathMapper);
                CodeGenerator sampleGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(phpGapicSamplesTransformer).build();
                generators.add(sampleGenerator);
            }
        }
        if (artifactFlags.testGeneratorEnabled()) {
            CodeGenerator testGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new PhpGapicSurfaceTestTransformer()).build();
            generators.add(testGenerator);
        }
    } else if (language.equals(PYTHON)) {
        if (artifactFlags.surfaceGeneratorEnabled()) {
            GapicCodePathMapper pythonPathMapper = CommonGapicCodePathMapper.newBuilder().setShouldAppendPackage(true).build();
            CodeGenerator mainGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new PythonRenderingUtil())).setModelToViewTransformer(new PythonGapicSurfaceTransformer(pythonPathMapper, packageConfig)).build();
            CodeGenerator clientConfigGenerator = LegacyGapicGenerator.newBuilder().setModel(model).setContext(new ClientConfigGapicContext(model, productConfig)).setSnippetSetRunner(new ClientConfigSnippetSetRunner<>(SnippetSetRunner.SNIPPET_RESOURCE_ROOT)).setSnippetFileNames(Arrays.asList("clientconfig/python_clientconfig.snip")).setCodePathMapper(pythonPathMapper).build();
            generators.add(mainGenerator);
            generators.add(clientConfigGenerator);
            if (artifactFlags.devSamplesEnabled()) {
                GapicCodePathMapper pythonSamplePathMapper = new CommonSampleCodePathMapper();
                PythonGapicSamplesTransformer pythonGapicSampleTransformer = new PythonGapicSamplesTransformer(pythonSamplePathMapper, packageConfig);
                CodeGenerator sampleGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new PythonRenderingUtil())).setModelToViewTransformer(pythonGapicSampleTransformer).build();
                generators.add(sampleGenerator);
            }
            CodeGenerator metadataGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new PythonRenderingUtil())).setModelToViewTransformer(new PythonPackageMetadataTransformer(packageConfig)).build();
            generators.add(metadataGenerator);
        }
        if (artifactFlags.testGeneratorEnabled()) {
            GapicCodePathMapper pythonTestPathMapper = CommonGapicCodePathMapper.newBuilder().setPrefix("test").setShouldAppendPackage(true).build();
            CodeGenerator testGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new PythonGapicSurfaceTestTransformer(pythonTestPathMapper, packageConfig)).build();
            generators.add(testGenerator);
        }
    } else if (language.equals(RUBY)) {
        if (artifactFlags.surfaceGeneratorEnabled()) {
            GapicCodePathMapper rubyPathMapper = CommonGapicCodePathMapper.newBuilder().setPrefix("lib").setShouldAppendPackage(true).setPackageFilePathNameFormatter(new RubyNameFormatter()).build();
            CodeGenerator mainGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new RubyGapicSurfaceTransformer(rubyPathMapper, packageConfig)).build();
            CodeGenerator clientConfigGenerator = LegacyGapicGenerator.newBuilder().setModel(model).setContext(new ClientConfigGapicContext(model, productConfig)).setSnippetSetRunner(new ClientConfigSnippetSetRunner<>(SnippetSetRunner.SNIPPET_RESOURCE_ROOT)).setSnippetFileNames(Arrays.asList("clientconfig/json.snip")).setCodePathMapper(rubyPathMapper).build();
            CodeGenerator metadataGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new RubyPackageMetadataTransformer(packageConfig)).build();
            if (artifactFlags.devSamplesEnabled()) {
                GapicCodePathMapper rubySamplePathMapper = new CommonSampleCodePathMapper();
                RubyGapicSamplesTransformer rubyGapicSamplesTransformer = new RubyGapicSamplesTransformer(rubySamplePathMapper);
                CodeGenerator sampleGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(rubyGapicSamplesTransformer).build();
                CodeGenerator sampleMetadataGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new RubySamplePackageMetadataTransformer(packageConfig)).build();
                generators.add(sampleGenerator);
                generators.add(sampleMetadataGenerator);
            }
            generators.add(mainGenerator);
            generators.add(clientConfigGenerator);
            generators.add(metadataGenerator);
            CodeGenerator messageGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new RubyGapicSurfaceDocTransformer(rubyPathMapper, packageConfig)).build();
            generators.add(messageGenerator);
        }
        if (artifactFlags.testGeneratorEnabled()) {
            CommonGapicCodePathMapper.Builder rubyTestPathMapperBuilder = CommonGapicCodePathMapper.newBuilder().setShouldAppendPackage(true).setPackageFilePathNameFormatter(new RubyNameFormatter());
            CodeGenerator testGenerator = GapicGenerator.newBuilder().setModel(model).setProductConfig(productConfig).setSnippetSetRunner(new CommonSnippetSetRunner(new CommonRenderingUtil())).setModelToViewTransformer(new RubyGapicSurfaceTestTransformer(rubyTestPathMapperBuilder.setPrefix("test").build(), rubyTestPathMapperBuilder.setPrefix("acceptance").build(), packageConfig)).build();
            generators.add(testGenerator);
        }
    } else {
        throw new UnsupportedOperationException("GapicGeneratorFactory: unsupported language \"" + language + "\"");
    }
    if (generators.isEmpty()) {
        throw new IllegalArgumentException("No artifacts are enabled.");
    }
    return generators;
}