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io.swagger.codegen.v3.generators.ruby.RubyClientCodegen Maven / Gradle / Ivy
package io.swagger.codegen.v3.generators.ruby;
import io.swagger.codegen.v3.CliOption;
import io.swagger.codegen.v3.CodegenConstants;
import io.swagger.codegen.v3.CodegenOperation;
import io.swagger.codegen.v3.CodegenParameter;
import io.swagger.codegen.v3.CodegenProperty;
import io.swagger.codegen.v3.CodegenType;
import io.swagger.codegen.v3.SupportingFile;
import io.swagger.codegen.v3.generators.DefaultCodegenConfig;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.Operation;
import io.swagger.v3.oas.models.media.ArraySchema;
import io.swagger.v3.oas.models.media.BooleanSchema;
import io.swagger.v3.oas.models.media.IntegerSchema;
import io.swagger.v3.oas.models.media.MapSchema;
import io.swagger.v3.oas.models.media.NumberSchema;
import io.swagger.v3.oas.models.media.Schema;
import io.swagger.v3.oas.models.media.StringSchema;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.Arrays;
import java.util.Map;
public class RubyClientCodegen extends DefaultCodegenConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(RubyClientCodegen.class);
public static final String GEM_NAME = "gemName";
public static final String MODULE_NAME = "moduleName";
public static final String GEM_VERSION = "gemVersion";
public static final String GEM_LICENSE = "gemLicense";
public static final String GEM_REQUIRED_RUBY_VERSION = "gemRequiredRubyVersion";
public static final String GEM_HOMEPAGE = "gemHomepage";
public static final String GEM_SUMMARY = "gemSummary";
public static final String GEM_DESCRIPTION = "gemDescription";
public static final String GEM_AUTHOR = "gemAuthor";
public static final String GEM_AUTHOR_EMAIL = "gemAuthorEmail";
protected String gemName;
protected String moduleName;
protected String gemVersion = "1.0.0";
protected String specFolder = "spec";
protected String libFolder = "lib";
protected String gemLicense = "proprietary";
protected String gemRequiredRubyVersion = ">= 1.9";
protected String gemHomepage = "http://swagger.io";
protected String gemSummary = "A ruby wrapper for the swagger APIs";
protected String gemDescription = "This gem maps to a swagger API";
protected String gemAuthor = "";
protected String gemAuthorEmail = "";
protected String apiDocPath = "docs/";
protected String modelDocPath = "docs/";
protected static int emptyMethodNameCounter = 0;
public RubyClientCodegen() {
super();
// clear import mapping (from default generator) as ruby does not use it
// at the moment
importMapping.clear();
modelPackage = "models";
apiPackage = "api";
outputFolder = "generated-code" + File.separator + "ruby";
// default HIDE_GENERATION_TIMESTAMP to true
hideGenerationTimestamp = Boolean.TRUE;
setReservedWordsLowerCase(
Arrays.asList(
// local variable names used in API methods (endpoints)
"local_var_path", "query_params", "header_params", "_header_accept", "_header_accept_result",
"_header_content_type", "form_params", "post_body", "auth_names",
// ruby reserved keywords
"__FILE__", "and", "def", "end", "in", "or", "self", "unless", "__LINE__",
"begin", "defined?", "ensure", "module", "redo", "super", "until", "BEGIN",
"break", "do", "false", "next", "rescue", "then", "when", "END", "case",
"else", "for", "nil", "retry", "true", "while", "alias", "class", "elsif",
"if", "not", "return", "undef", "yield")
);
typeMapping.clear();
languageSpecificPrimitives.clear();
// primitives in ruby lang
languageSpecificPrimitives.add("int");
languageSpecificPrimitives.add("array");
languageSpecificPrimitives.add("map");
languageSpecificPrimitives.add("string");
// primitives in the typeMapping
languageSpecificPrimitives.add("String");
languageSpecificPrimitives.add("Integer");
languageSpecificPrimitives.add("Float");
languageSpecificPrimitives.add("Date");
languageSpecificPrimitives.add("DateTime");
languageSpecificPrimitives.add("BOOLEAN");
languageSpecificPrimitives.add("Array");
languageSpecificPrimitives.add("Hash");
languageSpecificPrimitives.add("File");
languageSpecificPrimitives.add("Object");
typeMapping.put("string", "String");
typeMapping.put("char", "String");
typeMapping.put("int", "Integer");
typeMapping.put("integer", "Integer");
typeMapping.put("long", "Integer");
typeMapping.put("short", "Integer");
typeMapping.put("float", "Float");
typeMapping.put("double", "Float");
typeMapping.put("number", "Float");
typeMapping.put("date", "Date");
typeMapping.put("DateTime", "DateTime");
typeMapping.put("boolean", "BOOLEAN");
typeMapping.put("array", "Array");
typeMapping.put("List", "Array");
typeMapping.put("map", "Hash");
typeMapping.put("object", "Object");
typeMapping.put("file", "File");
typeMapping.put("binary", "String");
typeMapping.put("ByteArray", "String");
typeMapping.put("UUID", "String");
// remove modelPackage and apiPackage added by default
cliOptions.removeIf(opt -> CodegenConstants.MODEL_PACKAGE.equals(opt.getOpt()) ||
CodegenConstants.API_PACKAGE.equals(opt.getOpt()));
cliOptions.add(new CliOption(GEM_NAME, "gem name (convention: underscore_case).")
.defaultValue("openapi_client"));
cliOptions.add(new CliOption(MODULE_NAME, "top module name (convention: CamelCase, usually corresponding to gem name).")
.defaultValue("OpenAPIClient"));
cliOptions.add(new CliOption(GEM_VERSION, "gem version.")
.defaultValue("1.0.0"));
cliOptions.add(new CliOption(GEM_LICENSE, "gem license. ")
.defaultValue("proprietary"));
cliOptions.add(new CliOption(GEM_REQUIRED_RUBY_VERSION, "gem required Ruby version. ")
.defaultValue(">= 1.9"));
cliOptions.add(new CliOption(GEM_HOMEPAGE, "gem homepage. ")
.defaultValue("http://swagger.io"));
cliOptions.add(new CliOption(GEM_SUMMARY, "gem summary. ")
.defaultValue("A ruby wrapper for the open APIs"));
cliOptions.add(new CliOption(GEM_DESCRIPTION, "gem description. ")
.defaultValue("This gem maps to a open API"));
cliOptions.add(new CliOption(GEM_AUTHOR, "gem author (only one is supported)."));
cliOptions.add(new CliOption(GEM_AUTHOR_EMAIL, "gem author email (only one is supported)."));
cliOptions.add(new CliOption(CodegenConstants.HIDE_GENERATION_TIMESTAMP, CodegenConstants.HIDE_GENERATION_TIMESTAMP_DESC)
.defaultValue(Boolean.TRUE.toString()));
}
@Override
public void processOpts() {
super.processOpts();
if (StringUtils.isBlank(templateDir)) {
embeddedTemplateDir = templateDir = getTemplateDir();
}
modelTemplateFiles.put("model.mustache", ".rb");
apiTemplateFiles.put("api.mustache", ".rb");
modelDocTemplateFiles.put("model_doc.mustache", ".md");
apiDocTemplateFiles.put("api_doc.mustache", ".md");
modelTestTemplateFiles.put("model_test.mustache", ".rb");
apiTestTemplateFiles.put("api_test.mustache", ".rb");
if (additionalProperties.containsKey(GEM_NAME)) {
setGemName((String) additionalProperties.get(GEM_NAME));
}
if (additionalProperties.containsKey(MODULE_NAME)) {
setModuleName((String) additionalProperties.get(MODULE_NAME));
}
if (gemName == null && moduleName == null) {
setGemName("swagger_client");
setModuleName(generateModuleName(gemName));
} else if (gemName == null) {
setGemName(generateGemName(moduleName));
} else if (moduleName == null) {
setModuleName(generateModuleName(gemName));
}
additionalProperties.put(GEM_NAME, gemName);
additionalProperties.put(MODULE_NAME, moduleName);
if (additionalProperties.containsKey(GEM_VERSION)) {
setGemVersion((String) additionalProperties.get(GEM_VERSION));
}else {
// not set, pass the default value to template
additionalProperties.put(GEM_VERSION, gemVersion);
}
if (additionalProperties.containsKey(GEM_LICENSE)) {
setGemLicense((String) additionalProperties.get(GEM_LICENSE));
}
if (additionalProperties.containsKey(GEM_REQUIRED_RUBY_VERSION)) {
setGemRequiredRubyVersion((String) additionalProperties.get(GEM_REQUIRED_RUBY_VERSION));
}
if (additionalProperties.containsKey(GEM_HOMEPAGE)) {
setGemHomepage((String) additionalProperties.get(GEM_HOMEPAGE));
}
if (additionalProperties.containsKey(GEM_SUMMARY)) {
setGemSummary((String) additionalProperties.get(GEM_SUMMARY));
}
if (additionalProperties.containsKey(GEM_DESCRIPTION)) {
setGemDescription((String) additionalProperties.get(GEM_DESCRIPTION));
}
if (additionalProperties.containsKey(GEM_AUTHOR)) {
setGemAuthor((String) additionalProperties.get(GEM_AUTHOR));
}
if (additionalProperties.containsKey(GEM_AUTHOR_EMAIL)) {
setGemAuthorEmail((String) additionalProperties.get(GEM_AUTHOR_EMAIL));
}
// make api and model doc path available in mustache template
additionalProperties.put("apiDocPath", apiDocPath);
additionalProperties.put("modelDocPath", modelDocPath);
// use constant model/api package (folder path)
setModelPackage("models");
setApiPackage("api");
supportingFiles.add(new SupportingFile("gemspec.mustache", "", gemName + ".gemspec"));
supportingFiles.add(new SupportingFile("gem.mustache", libFolder, gemName + ".rb"));
String gemFolder = libFolder + File.separator + gemName;
supportingFiles.add(new SupportingFile("api_client.mustache", gemFolder, "api_client.rb"));
supportingFiles.add(new SupportingFile("api_error.mustache", gemFolder, "api_error.rb"));
supportingFiles.add(new SupportingFile("configuration.mustache", gemFolder, "configuration.rb"));
supportingFiles.add(new SupportingFile("version.mustache", gemFolder, "version.rb"));
supportingFiles.add(new SupportingFile("README.mustache", "", "README.md"));
supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
supportingFiles.add(new SupportingFile("gitignore.mustache", "", ".gitignore"));
supportingFiles.add(new SupportingFile("Rakefile.mustache", "", "Rakefile"));
supportingFiles.add(new SupportingFile("Gemfile.mustache", "", "Gemfile"));
supportingFiles.add(new SupportingFile("rubocop.mustache", "", ".rubocop.yml"));
// test files should not be overwritten
writeOptional(outputFolder, new SupportingFile("rspec.mustache", "", ".rspec"));
writeOptional(outputFolder, new SupportingFile("spec_helper.mustache", specFolder, "spec_helper.rb"));
writeOptional(outputFolder, new SupportingFile("configuration_spec.mustache", specFolder, "configuration_spec.rb"));
writeOptional(outputFolder, new SupportingFile("api_client_spec.mustache", specFolder, "api_client_spec.rb"));
// not including base object test as the moment as not all API has model
writeOptional(outputFolder, new SupportingFile("base_object_spec.mustache", specFolder, "base_object_spec.rb"));
}
@Override
public CodegenOperation fromOperation(String path, String httpMethod, Operation operation, Map definitions, OpenAPI openAPI) {
CodegenOperation op = super.fromOperation(path, httpMethod, operation, definitions, openAPI);
// Set vendor-extension to be used in template:
// x-codegen-hasMoreRequired
// x-codegen-hasMoreOptional
// x-codegen-hasRequiredParams
CodegenParameter lastRequired = null;
CodegenParameter lastOptional = null;
for (CodegenParameter p : op.allParams) {
if (p.required) {
lastRequired = p;
} else {
lastOptional = p;
}
}
for (CodegenParameter p : op.allParams) {
if (p == lastRequired) {
p.vendorExtensions.put("x-codegen-hasMoreRequired", false);
} else if (p == lastOptional) {
p.vendorExtensions.put("x-codegen-hasMoreOptional", false);
} else {
p.vendorExtensions.put("x-codegen-hasMoreRequired", true);
p.vendorExtensions.put("x-codegen-hasMoreOptional", true);
}
}
op.vendorExtensions.put("x-codegen-hasRequiredParams", lastRequired != null);
return op;
}
@Override
public CodegenType getTag() {
return CodegenType.CLIENT;
}
@Override
public String getName() {
return "ruby";
}
@Override
public String getHelp() {
return "Generates a Ruby client library.";
}
/**
* Generate Ruby module name from the gem name, e.g. use "SwaggerClient" for "swagger_client".
*
* @param gemName Ruby gem name
* @return Ruby module name
*/
private String generateModuleName(String gemName) {
return camelize(gemName.replaceAll("[^\\w]+", "_"));
}
/**
* Generate Ruby gem name from the module name, e.g. use "swagger_client" for "SwaggerClient".
*
* @param moduleName Ruby module name
* @return Ruby gem name
*/
private String generateGemName(String moduleName) {
return underscore(moduleName.replaceAll("[^\\w]+", ""));
}
@Override
public String escapeReservedWord(String name) {
if(this.reservedWordsMappings().containsKey(name)) {
return this.reservedWordsMappings().get(name);
}
return "_" + name;
}
@Override
public String apiFileFolder() {
return outputFolder + File.separator + libFolder + File.separator + gemName + File.separator + apiPackage.replace("/", File.separator);
}
@Override
public String modelFileFolder() {
return outputFolder + File.separator + libFolder + File.separator + gemName + File.separator + modelPackage.replace("/", File.separator);
}
@Override
public String apiTestFileFolder() {
return outputFolder + File.separator + specFolder + File.separator + apiPackage.replace("/", File.separator);
}
@Override
public String modelTestFileFolder() {
return outputFolder + File.separator + specFolder + File.separator + modelPackage.replace("/", File.separator);
}
@Override
public String apiDocFileFolder() {
return (outputFolder + "/" + apiDocPath).replace('/', File.separatorChar);
}
@Override
public String modelDocFileFolder() {
return (outputFolder + "/" + modelDocPath).replace('/', File.separatorChar);
}
@Override
public String getTypeDeclaration(Schema schema) {
if (schema instanceof ArraySchema) {
ArraySchema arraySchema = (ArraySchema) schema;
Schema inner = arraySchema.getItems();
return getSchemaType(schema) + "<" + getTypeDeclaration(inner) + ">";
} else if (schema instanceof MapSchema) {
MapSchema mapSchema = (MapSchema) schema;
if (mapSchema.getAdditionalProperties() instanceof Schema) {
Schema inner = (Schema) mapSchema.getAdditionalProperties();
return getSchemaType(schema) + "";
}
}
return super.getTypeDeclaration(schema);
}
@Override
public String toDefaultValue(Schema schema) {
if (schema instanceof IntegerSchema) {
IntegerSchema integerSchema = (IntegerSchema) schema;
if (integerSchema.getDefault() != null) {
return integerSchema.getDefault().toString();
}
} else if (schema instanceof NumberSchema) {
NumberSchema numberSchema = (NumberSchema) schema;
if (numberSchema.getDefault() != null) {
return numberSchema.getDefault().toString();
}
} else if (schema instanceof BooleanSchema) {
BooleanSchema booleanSchema = (BooleanSchema) schema;
if (booleanSchema.getDefault() != null) {
return booleanSchema.getDefault().toString();
}
} else if (schema instanceof StringSchema) {
StringSchema stringSchema = (StringSchema) schema;
if (stringSchema.getDefault() != null) {
return "'" + escapeText(stringSchema.getDefault()) + "'";
}
}
return null;
}
@Override
public String getSchemaType(Schema schema) {
String swaggerType = super.getSchemaType(schema);
String type = null;
if (typeMapping.containsKey(swaggerType)) {
type = typeMapping.get(swaggerType);
if (languageSpecificPrimitives.contains(type)) {
return type;
}
} else {
type = swaggerType;
}
if (type == null) {
return null;
}
return toModelName(type);
}
@Override
public String toVarName(String name) {
// sanitize name
name = sanitizeName(name); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
// if it's all uppper case, convert to lower case
if (name.matches("^[A-Z_]*$")) {
name = name.toLowerCase();
}
// camelize (lower first character) the variable name
// petId => pet_id
name = underscore(name);
// for reserved word or word starting with number, append _
if (isReservedWord(name) || name.matches("^\\d.*")) {
name = escapeReservedWord(name);
}
return name;
}
@Override
public String toParamName(String name) {
// should be the same as variable name
return toVarName(name);
}
@Override
public String toModelName(String name) {
name = sanitizeName(name); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
if (!StringUtils.isEmpty(modelNamePrefix)) {
name = modelNamePrefix + "_" + name;
}
if (!StringUtils.isEmpty(modelNameSuffix)) {
name = name + "_" + modelNameSuffix;
}
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(name)) {
String modelName = camelize("Model" + name);
LOGGER.warn(name + " (reserved word) cannot be used as model name. Renamed to " + modelName);
return modelName;
}
// model name starts with number
if (name.matches("^\\d.*")) {
LOGGER.warn(name + " (model name starts with number) cannot be used as model name. Renamed to " + camelize("model_" + name));
name = "model_" + name; // e.g. 200Response => Model200Response (after camelize)
}
// camelize the model name
// phone_number => PhoneNumber
return camelize(name);
}
@Override
public String toModelFilename(String name) {
name = sanitizeName(name); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
if (!StringUtils.isEmpty(modelNamePrefix)) {
name = modelNamePrefix + "_" + name;
}
if (!StringUtils.isEmpty(modelNameSuffix)) {
name = name + "_" + modelNameSuffix;
}
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(name)) {
String filename = underscore("model_" + name);
LOGGER.warn(name + " (reserved word) cannot be used as model filename. Renamed to " + filename);
return filename;
}
// model name starts with number
if (name.matches("^\\d.*")) {
LOGGER.warn(name + " (model name starts with number) cannot be used as model name. Renamed to " + underscore("model_" + name));
name = "model_" + name; // e.g. 200Response => model_200_response
}
// underscore the model file name
// PhoneNumber.rb => phone_number.rb
return underscore(name);
}
@Override
public String toModelDocFilename(String name) {
return toModelName(name);
}
@Override
public String toApiFilename(String name) {
// replace - with _ e.g. created-at => created_at
name = name.replaceAll("-", "_"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
// e.g. PhoneNumberApi.rb => phone_number_api.rb
return underscore(name) + "_api";
}
@Override
public String toApiDocFilename(String name) {
return toApiName(name);
}
@Override
public String toApiTestFilename(String name) {
return toApiFilename(name) + "_spec";
}
@Override
public String toModelTestFilename(String name) {
return toModelFilename(name) + "_spec";
}
@Override
public String toApiName(String name) {
if (name.length() == 0) {
return "DefaultApi";
}
// e.g. phone_number_api => PhoneNumberApi
return camelize(name) + "Api";
}
@Override
public String toEnumValue(String value, String datatype) {
if ("Integer".equals(datatype) || "Float".equals(datatype)) {
return value;
} else {
return "'" + escapeText(value) + "'";
}
}
@Override
public String toEnumVarName(String name, String datatype) {
if (name.length() == 0) {
return "EMPTY";
}
// number
if ("Integer".equals(datatype) || "Float".equals(datatype)) {
String varName = name;
varName = varName.replaceAll("-", "MINUS_");
varName = varName.replaceAll("\\+", "PLUS_");
varName = varName.replaceAll("\\.", "_DOT_");
return varName;
}
// string
String enumName = sanitizeName(underscore(name).toUpperCase());
enumName = enumName.replaceFirst("^_", "");
enumName = enumName.replaceFirst("_$", "");
if (enumName.matches("\\d.*")) { // starts with number
return "N" + enumName;
} else {
return enumName;
}
}
@Override
public String toEnumName(CodegenProperty property) {
String enumName = underscore(toModelName(property.name)).toUpperCase();
enumName = enumName.replaceFirst("^_", "");
enumName = enumName.replaceFirst("_$", "");
if (enumName.matches("\\d.*")) { // starts with number
return "N" + enumName;
} else {
return enumName;
}
}
@Override
public Map postProcessModels(Map objs) {
// process enum in models
return postProcessModelsEnum(objs);
}
@Override
public String toOperationId(String operationId) {
// rename to empty_method_name_1 (e.g.) if method name is empty
if (StringUtils.isEmpty(operationId)) {
operationId = underscore("empty_method_name_" + emptyMethodNameCounter++);
LOGGER.warn("Empty method name (operationId) found. Renamed to " + operationId);
return operationId;
}
// method name cannot use reserved keyword, e.g. return
if (isReservedWord(operationId)) {
String newOperationId = underscore("call_" + operationId);
LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + newOperationId);
return newOperationId;
}
return underscore(sanitizeName(operationId));
}
@Override
public String toApiImport(String name) {
return gemName + "/" + apiPackage() + "/" + toApiFilename(name);
}
@Override
public void setParameterExampleValue(CodegenParameter p) {
String example;
if (p.defaultValue == null) {
example = p.example;
} else {
example = p.defaultValue;
}
String type = p.baseType;
if (type == null) {
type = p.dataType;
}
if ("String".equals(type)) {
if (example == null) {
example = p.paramName + "_example";
}
example = "'" + escapeText(example) + "'";
} else if ("Integer".equals(type)) {
if (example == null) {
example = "56";
}
} else if ("Float".equals(type)) {
if (example == null) {
example = "3.4";
}
} else if ("BOOLEAN".equals(type)) {
if (example == null) {
example = "true";
}
} else if ("File".equals(type)) {
if (example == null) {
example = "/path/to/file";
}
example = "File.new('" + escapeText(example) + "')";
} else if ("Date".equals(type)) {
if (example == null) {
example = "2013-10-20";
}
example = "Date.parse('" + escapeText(example) + "')";
} else if ("DateTime".equals(type)) {
if (example == null) {
example = "2013-10-20T19:20:30+01:00";
}
example = "DateTime.parse('" + escapeText(example) + "')";
} else if (!languageSpecificPrimitives.contains(type)) {
// type is a model class, e.g. User
example = moduleName + "::" + type + ".new";
}
if (example == null) {
example = "nil";
} else if (Boolean.TRUE.equals(p.getIsListContainer())) {
example = "[" + example + "]";
} else if (Boolean.TRUE.equals(p.getIsMapContainer())) {
example = "{'key' => " + example + "}";
}
p.example = example;
}
public void setGemName(String gemName) {
this.gemName = gemName;
}
public void setModuleName(String moduleName) {
this.moduleName = moduleName;
}
public void setGemVersion(String gemVersion) {
this.gemVersion = gemVersion;
}
public void setGemDescription(String gemDescription) {
this.gemDescription = gemDescription;
}
public void setGemSummary(String gemSummary) {
this.gemSummary = gemSummary;
}
public void setGemLicense(String gemLicense) {
this.gemLicense = gemLicense;
}
public void setGemRequiredRubyVersion(String gemRequiredRubyVersion) {
this.gemRequiredRubyVersion = gemRequiredRubyVersion;
}
public void setGemHomepage(String gemHomepage) {
this.gemHomepage = gemHomepage;
}
public void setGemAuthor(String gemAuthor) {
this.gemAuthor = gemAuthor;
}
public void setGemAuthorEmail(String gemAuthorEmail) {
this.gemAuthorEmail = gemAuthorEmail;
}
@Override
public boolean shouldOverwrite(String filename) {
// skip spec file as the file might have been updated with new test cases
return !(skipOverwrite && new File(filename).exists());
//
//return super.shouldOverwrite(filename) && !filename.endsWith("_spec.rb");
}
@Override
public String getDefaultTemplateDir() {
return "ruby";
}
@Override
public String escapeQuotationMark(String input) {
// remove ' to avoid code injection
return input.replace("'", "");
}
@Override
public String escapeUnsafeCharacters(String input) {
return input.replace("=end", "=_end").replace("=begin", "=_begin");
}
}
