org.openapitools.codegen.languages.RClientCodegen Maven / Gradle / Ivy
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/*
* Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
* Copyright 2018 SmartBear Software
*
* 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.samskivert.mustache.Mustache;
import com.samskivert.mustache.Template;
//import com.sun.media.sound.InvalidDataException;
import io.swagger.v3.oas.models.examples.Example;
import io.swagger.v3.oas.models.media.Schema;
import io.swagger.v3.oas.models.parameters.Parameter;
import lombok.Setter;
import org.apache.commons.lang3.StringUtils;
import org.openapitools.codegen.*;
import org.openapitools.codegen.meta.features.*;
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.ModelUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.util.*;
import java.util.regex.Pattern;
import static org.openapitools.codegen.utils.CamelizeOption.LOWERCASE_FIRST_LETTER;
import static org.openapitools.codegen.utils.StringUtils.camelize;
import static org.openapitools.codegen.utils.StringUtils.underscore;
public class RClientCodegen extends DefaultCodegen implements CodegenConfig {
private final Logger LOGGER = LoggerFactory.getLogger(RClientCodegen.class);
@Setter protected String packageName = "openapi";
@Setter protected String packageVersion = "1.0.0";
protected String apiDocPath = "docs/";
protected String modelDocPath = "docs/";
protected String testFolder = "tests/testthat";
@Setter protected boolean returnExceptionOnFailure = false;
protected String exceptionPackage = "default";
protected Map exceptionPackages = new LinkedHashMap();
protected Set itemReservedWords = new TreeSet();
public static final String EXCEPTION_PACKAGE = "exceptionPackage";
public static final String USE_DEFAULT_EXCEPTION = "useDefaultExceptionHandling";
public static final String USE_RLANG_EXCEPTION = "useRlangExceptionHandling";
public static final String GENERATE_WRAPPER = "generateWrapper";
public static final String DEFAULT = "default";
public static final String RLANG = "rlang";
public static final String HTTR = "httr";
public static final String HTTR2 = "httr2";
// naming convention for operationId (function names in the API)
public static final String OPERATIONID_NAMING = "operationIdNaming";
protected boolean useDefaultExceptionHandling = false;
protected boolean useRlangExceptionHandling = false;
@Setter protected String errorObjectType;
protected String operationIdNaming;
@Setter protected boolean generateWrapper;
@Setter protected boolean useOneOfDiscriminatorLookup = false; // use oneOf discriminator's mapping for model lookup
private Map schemaKeyToModelNameCache = new HashMap<>();
@Override
public CodegenType getTag() {
return CodegenType.CLIENT;
}
@Override
public String getName() {
return "r";
}
@Override
public String getHelp() {
return "Generates a R client library (beta).";
}
public RClientCodegen() {
super();
modifyFeatureSet(features -> features
.includeDocumentationFeatures(DocumentationFeature.Readme)
.wireFormatFeatures(EnumSet.of(WireFormatFeature.JSON, WireFormatFeature.XML, WireFormatFeature.Custom))
.securityFeatures(EnumSet.of(
SecurityFeature.BasicAuth,
SecurityFeature.ApiKey,
SecurityFeature.OAuth2_Implicit,
SecurityFeature.BearerToken
))
.excludeGlobalFeatures(
GlobalFeature.XMLStructureDefinitions,
GlobalFeature.Callbacks,
GlobalFeature.LinkObjects,
GlobalFeature.ParameterStyling
)
.excludeSchemaSupportFeatures(
SchemaSupportFeature.Polymorphism
)
.excludeParameterFeatures(
ParameterFeature.Cookie
)
.includeClientModificationFeatures(
ClientModificationFeature.BasePath,
ClientModificationFeature.UserAgent
)
);
outputFolder = "generated-code/r";
modelTemplateFiles.put("model.mustache", ".R");
apiTemplateFiles.put("api.mustache", ".R");
modelDocTemplateFiles.put("model_doc.mustache", ".md");
apiDocTemplateFiles.put("api_doc.mustache", ".md");
embeddedTemplateDir = templateDir = "r";
// default HIDE_GENERATION_TIMESTAMP to true
hideGenerationTimestamp = Boolean.TRUE;
setReservedWordsLowerCase(
Arrays.asList(
// reserved words: https://stat.ethz.ch/R-manual/R-devel/library/base/html/Reserved.html
"if", "else", "repeat", "while", "function", "for", "in",
"next", "break", "TRUE", "FALSE", "NULL", "Inf", "NaN",
"NA", "NA_integer_", "NA_real_", "NA_complex_", "NA_character_",
// reserved words in API client
"ApiResponse", "data_file"
)
);
// these are reserved words in items: https://github.com/r-lib/R6/blob/main/R/r6_class.R#L484
itemReservedWords.add("self");
itemReservedWords.add("private");
itemReservedWords.add("super");
languageSpecificPrimitives.clear();
languageSpecificPrimitives.add("integer");
languageSpecificPrimitives.add("numeric");
languageSpecificPrimitives.add("character");
languageSpecificPrimitives.add("data.frame");
languageSpecificPrimitives.add("object");
typeMapping.clear();
typeMapping.put("integer", "integer");
typeMapping.put("long", "integer");
typeMapping.put("number", "numeric");
typeMapping.put("float", "numeric");
typeMapping.put("double", "numeric");
typeMapping.put("decimal", "numeric");
typeMapping.put("boolean", "character");
typeMapping.put("string", "character");
typeMapping.put("UUID", "character");
typeMapping.put("URI", "character");
typeMapping.put("date", "character");
typeMapping.put("DateTime", "character");
typeMapping.put("password", "character");
typeMapping.put("file", "data.frame");
typeMapping.put("binary", "data.frame");
typeMapping.put("ByteArray", "character");
typeMapping.put("map", "map");
typeMapping.put("object", "object");
// no need for import mapping as R doesn't require api,model import
// https://github.com/OpenAPITools/openapi-generator/issues/2217
importMapping.clear();
cliOptions.clear();
cliOptions.add(new CliOption(CodegenConstants.PACKAGE_NAME, "R package name (convention: lowercase).")
.defaultValue("openapi"));
cliOptions.add(new CliOption(CodegenConstants.PACKAGE_VERSION, "R package version.")
.defaultValue("1.0.0"));
cliOptions.add(new CliOption(CodegenConstants.HIDE_GENERATION_TIMESTAMP, CodegenConstants.HIDE_GENERATION_TIMESTAMP_DESC)
.defaultValue(Boolean.TRUE.toString()));
cliOptions.add(new CliOption(CodegenConstants.EXCEPTION_ON_FAILURE, CodegenConstants.EXCEPTION_ON_FAILURE_DESC)
.defaultValue(Boolean.FALSE.toString()));
CliOption operationIdNaming = CliOption.newString(OPERATIONID_NAMING, "Naming convention for operationId (function name in the API)");
Map operationIdNamingOptions = new HashMap<>();
operationIdNamingOptions.put("snake_case", "Snake case");
operationIdNamingOptions.put("camelCase", "Camel case");
operationIdNamingOptions.put("PascalCase", "Pascal case (default)");
operationIdNaming.setEnum(operationIdNamingOptions);
cliOptions.add(operationIdNaming);
exceptionPackages.put(DEFAULT, "Use stop() for raising exceptions.");
exceptionPackages.put(RLANG, "Use rlang package for exceptions.");
CliOption exceptionPackage = new CliOption(EXCEPTION_PACKAGE, "Specify the exception handling package");
exceptionPackage.setEnum(exceptionPackages);
exceptionPackage.setDefault(DEFAULT);
cliOptions.add(exceptionPackage);
cliOptions.add(CliOption.newString(CodegenConstants.ERROR_OBJECT_TYPE, "Error object type."));
supportedLibraries.put(HTTR2, "httr2 (https://httr2.r-lib.org/)");
supportedLibraries.put(HTTR, "httr (https://cran.r-project.org/web/packages/httr/index.html)");
CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "HTTP library template (sub-template) to use");
libraryOption.setEnum(supportedLibraries);
// set httr as the default
libraryOption.setDefault(HTTR);
cliOptions.add(libraryOption);
setLibrary(HTTR);
cliOptions.add(CliOption.newBoolean(GENERATE_WRAPPER, "Generate a wrapper class (single point of access) for the R client. This option only works with `httr2` library."));
// option to change how we process + set the data in the 'additionalProperties' keyword.
CliOption disallowAdditionalPropertiesIfNotPresentOpt = CliOption.newBoolean(
CodegenConstants.DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT,
CodegenConstants.DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT_DESC).defaultValue(Boolean.TRUE.toString());
Map disallowAdditionalPropertiesIfNotPresentOpts = new HashMap<>();
disallowAdditionalPropertiesIfNotPresentOpts.put("false",
"The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.");
disallowAdditionalPropertiesIfNotPresentOpts.put("true",
"Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.");
disallowAdditionalPropertiesIfNotPresentOpt.setEnum(disallowAdditionalPropertiesIfNotPresentOpts);
cliOptions.add(disallowAdditionalPropertiesIfNotPresentOpt);
this.setDisallowAdditionalPropertiesIfNotPresent(true);
}
@Override
public void processOpts() {
super.processOpts();
if (additionalProperties.containsKey(CodegenConstants.PACKAGE_NAME)) {
setPackageName((String) additionalProperties.get(CodegenConstants.PACKAGE_NAME));
} else {
setPackageName("openapi");
}
if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {
setPackageVersion((String) additionalProperties.get(CodegenConstants.PACKAGE_VERSION));
} else {
setPackageVersion("1.0.0");
}
if (additionalProperties.containsKey(CodegenConstants.EXCEPTION_ON_FAILURE)) {
setReturnExceptionOnFailure(Boolean.parseBoolean(
additionalProperties.get(CodegenConstants.EXCEPTION_ON_FAILURE).toString()));
} else {
setReturnExceptionOnFailure(false);
}
if (additionalProperties.containsKey(EXCEPTION_PACKAGE)) {
setExceptionPackageToUse(additionalProperties.get(EXCEPTION_PACKAGE).toString());
} else {
setExceptionPackageToUse(DEFAULT);
}
if (additionalProperties.containsKey(CodegenConstants.ERROR_OBJECT_TYPE)) {
this.setErrorObjectType(additionalProperties.get(CodegenConstants.ERROR_OBJECT_TYPE).toString());
}
additionalProperties.put(CodegenConstants.ERROR_OBJECT_TYPE, errorObjectType);
if (additionalProperties.containsKey(OPERATIONID_NAMING)) {
this.setOperationIdNaming(additionalProperties.get(OPERATIONID_NAMING).toString());
} else {
this.setOperationIdNaming("PascalCase"); // default to PascalCase for backward compatibility
}
additionalProperties.put(CodegenConstants.ERROR_OBJECT_TYPE, errorObjectType);
if (additionalProperties.containsKey(GENERATE_WRAPPER)) {
this.setGenerateWrapper(Boolean.parseBoolean(
additionalProperties.get(GENERATE_WRAPPER).toString()));
} else {
this.setGenerateWrapper(false);
}
if (additionalProperties.containsKey(CodegenConstants.USE_ONEOF_DISCRIMINATOR_LOOKUP)) {
setUseOneOfDiscriminatorLookup(convertPropertyToBooleanAndWriteBack(CodegenConstants.USE_ONEOF_DISCRIMINATOR_LOOKUP));
} else {
additionalProperties.put(CodegenConstants.USE_ONEOF_DISCRIMINATOR_LOOKUP, useOneOfDiscriminatorLookup);
}
if (additionalProperties.containsKey(CodegenConstants.DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT)) {
this.setDisallowAdditionalPropertiesIfNotPresent(Boolean.parseBoolean(additionalProperties
.get(CodegenConstants.DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT).toString()));
}
additionalProperties.put(CodegenConstants.PACKAGE_NAME, packageName);
additionalProperties.put(CodegenConstants.PACKAGE_VERSION, packageVersion);
additionalProperties.put(CodegenConstants.EXCEPTION_ON_FAILURE, returnExceptionOnFailure);
additionalProperties.put(USE_DEFAULT_EXCEPTION, this.useDefaultExceptionHandling);
additionalProperties.put(USE_RLANG_EXCEPTION, this.useRlangExceptionHandling);
additionalProperties.put("apiDocPath", apiDocPath);
additionalProperties.put("modelDocPath", modelDocPath);
modelTestTemplateFiles.put("model_test.mustache", ".R");
apiTestTemplateFiles.put("api_test.mustache", ".R");
modelDocTemplateFiles.put("model_doc.mustache", ".md");
apiDocTemplateFiles.put("api_doc.mustache", ".md");
modelPackage = packageName;
apiPackage = packageName;
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("description.mustache", "", "DESCRIPTION"));
supportingFiles.add(new SupportingFile("Rbuildignore.mustache", "", ".Rbuildignore"));
supportingFiles.add(new SupportingFile(".travis.yml.mustache", "", ".travis.yml"));
supportingFiles.add(new SupportingFile("ApiResponse.mustache", File.separator + "R", "api_response.R"));
supportingFiles.add(new SupportingFile("api_client.mustache", File.separator + "R", "api_client.R"));
supportingFiles.add(new SupportingFile("NAMESPACE.mustache", "", "NAMESPACE"));
supportingFiles.add(new SupportingFile("testthat.mustache", File.separator + "tests", "testthat.R"));
supportingFiles.add(new SupportingFile("r-client.mustache", File.separator + ".github" + File.separator + "workflows", "r-client.yaml"));
supportingFiles.add(new SupportingFile("lintr.mustache", "", ".lintr"));
if (HTTR.equals(getLibrary())) {
// for httr
setLibrary(HTTR);
} else if (HTTR2.equals(getLibrary())) {
// for httr2
setLibrary(HTTR2);
additionalProperties.put("isHttr2", Boolean.TRUE);
if (generateWrapper) { // generateWrapper option only supports in httr2 library
supportingFiles.add(new SupportingFile("api_wrapper.mustache", "R", packageName.toLowerCase(Locale.ROOT) + "_api.R"));
}
} else {
throw new IllegalArgumentException("Invalid HTTP library " + getLibrary() + ". Only httr, httr2 are supported.");
}
// add lambda for mustache templates to fix license field
additionalProperties.put("lambdaLicense", new Mustache.Lambda() {
@Override
public void execute(Template.Fragment fragment, Writer writer) throws IOException {
String content = fragment.execute();
content = content.trim().replace("Apache-2.0", "Apache License 2.0");
writer.write(content);
}
});
// add lambda for mustache templates to escape %
additionalProperties.put("lambdaRdocEscape", new Mustache.Lambda() {
@Override
public void execute(Template.Fragment fragment, Writer writer) throws IOException {
String content = fragment.execute();
content = content.trim().replace("%", "\\%");
writer.write(content);
}
});
}
@Override
public String escapeReservedWord(String name) {
// Can't start with an underscore, as our fields need to start with an
// UppercaseLetter so that R treats them as public/visible.
// Options?
// - MyName
// - AName
// - TheName
// - XName
// - X_Name
// ... or maybe a suffix?
// - Name_ ... think this will work.
if (this.reservedWordsMappings().containsKey(name)) {
return this.reservedWordsMappings().get(name);
}
return camelize(name) + '_';
}
@Override
public String apiFileFolder() {
return outputFolder + File.separator + "R" + File.separator;
}
@Override
public String modelFileFolder() {
return outputFolder + File.separator + "R" + File.separator;
}
@Override
public String toParamName(String name) {
// obtain the name from parameterNameMapping directly if provided
if (parameterNameMapping.containsKey(name)) {
return parameterNameMapping.get(name);
}
// replace - with _ e.g. created-at => created_at
name = sanitizeName(name.replaceAll("-", "_"));
// if it's all upper case, do nothing
if (name.matches("^[A-Z_]*$"))
return name;
// convert variable name to snake case
// PetId => pet_id
name = underscore(name);
// for reserved word or word starting with number, append _
if (isReservedWord(name))
name = "var_" + name;
// for reserved word or word starting with number, append _
if (name.matches("^\\d.*"))
name = "var_" + name;
return name;
}
@Override
public String toVarName(String name) {
// obtain the name from nameMapping directly if provided
if (nameMapping.containsKey(name)) {
return nameMapping.get(name);
}
// escape item reserved words with "item_" prefix
if (itemReservedWords.contains(name)) {
LOGGER.info("The item `{}` has been renamed to `item_{}` as it's a reserved word.", name, name);
return "item_" + name;
}
if ("".equals(name)) {
LOGGER.warn("Empty item name `` (empty string) has been renamed to `empty_string` to avoid compilation errors.");
return "empty_string";
}
// don't do anything as we'll put property name inside ` `, e.g. `date-time`
return name;
}
@Override
public String toModelFilename(String name) {
// obtain the name from modelNameMapping directly if provided
if (modelNameMapping.containsKey(name)) {
return underscore(modelNameMapping.get(name));
}
return underscore(toModelName(name));
}
@Override
public String toModelName(String name) {
// obtain the name from modelNameMapping directly if provided
if (modelNameMapping.containsKey(name)) {
return modelNameMapping.get(name);
}
// We need to check if schema-mapping has a different model for this class, so we use it
// instead of the auto-generated one.
if (schemaMapping.containsKey(name)) {
return schemaMapping.get(name);
}
// memoization
String origName = name;
if (schemaKeyToModelNameCache.containsKey(origName)) {
return schemaKeyToModelNameCache.get(origName);
}
if (!StringUtils.isEmpty(modelNamePrefix)) {
name = modelNamePrefix + "_" + name;
}
if (!StringUtils.isEmpty(modelNameSuffix)) {
name = name + "_" + modelNameSuffix;
}
name = sanitizeName(name);
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(name)) {
LOGGER.warn("{} (reserved word) cannot be used as model name. Renamed to {}", name, camelize("model_" + name));
name = "model_" + name; // e.g. return => ModelReturn (after camelize)
}
// model name starts with number
if (name.matches("^\\d.*")) {
LOGGER.warn("{} (model name starts with number) cannot be used as model name. Renamed to {}", name,
camelize("model_" + name));
name = "model_" + name; // e.g. 200Response => Model200Response (after camelize)
}
schemaKeyToModelNameCache.put(origName, camelize(name));
return camelize(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. PetApi.r => pet_api.r
return underscore(name + "_api");
}
@Override
public String apiDocFileFolder() {
return (outputFolder + "/" + apiDocPath).replace('/', File.separatorChar);
}
@Override
public String modelDocFileFolder() {
return (outputFolder + "/" + modelDocPath).replace('/', File.separatorChar);
}
@Override
public String toModelDocFilename(String name) {
return toModelName(name);
}
@Override
public String toApiDocFilename(String name) {
return toApiName(name);
}
@Override
public String toApiName(String name) {
return camelize(super.toApiName(name));
}
@Override
public String getTypeDeclaration(Schema p) {
if (ModelUtils.isArraySchema(p)) {
Schema inner = ModelUtils.getSchemaItems(p);
return getSchemaType(p) + "[" + getTypeDeclaration(inner) + "]";
} else if (ModelUtils.isMapSchema(p)) {
Schema inner = ModelUtils.getAdditionalProperties(p);
return getSchemaType(p) + "(" + getTypeDeclaration(inner) + ")";
}
// Not using the supertype invocation, because we want to UpperCamelize
// the type.
String openAPIType = getSchemaType(p);
if (typeMapping.containsKey(openAPIType)) {
return typeMapping.get(openAPIType);
}
if (typeMapping.containsValue(openAPIType)) {
return openAPIType;
}
if (languageSpecificPrimitives.contains(openAPIType)) {
return openAPIType;
}
return toModelName(openAPIType);
}
@Override
public String getSchemaType(Schema p) {
String openAPIType = super.getSchemaType(p);
String type = null;
if (typeMapping.containsKey(openAPIType)) {
type = typeMapping.get(openAPIType);
if (languageSpecificPrimitives.contains(type))
return (type);
} else {
type = openAPIType;
}
return type;
}
@Override
public String toOperationId(String operationId) {
String sanitizedOperationId = sanitizeName(operationId);
// method name cannot use reserved keyword, e.g. return
if (isReservedWord(sanitizedOperationId)) {
LOGGER.warn("{} (reserved word) cannot be used as method name. Renamed to {}", operationId, underscore("call_" + operationId));
sanitizedOperationId = "call_" + sanitizedOperationId;
}
if ("PascalCase".equals(operationIdNaming)) {
return camelize(sanitizedOperationId);
} else if ("camelCase".equals(operationIdNaming)) {
return camelize(sanitizedOperationId, LOWERCASE_FIRST_LETTER);
} else if ("snake_case".equals(operationIdNaming)) {
return underscore(sanitizedOperationId);
} else {
LOGGER.error("Invalid operationIdNaming: {}. Please report the issue. Default to PascalCase for the time being", operationIdNaming);
return camelize(sanitizedOperationId);
}
}
@Override
public ModelsMap postProcessModels(ModelsMap objs) {
for (ModelMap mo : objs.getModels()) {
CodegenModel cm = mo.getModel();
for (CodegenProperty var : cm.vars) {
// check to see if base name is an empty string
if ("".equals(var.baseName)) {
LOGGER.debug("Empty baseName `` (empty string) in the model `{}` has been renamed to `empty_string` to avoid compilation errors.", cm.classname);
var.baseName = "empty_string";
}
// create extension x-r-doc-type to store the data type in r doc format
var.vendorExtensions.put("x-r-doc-type", constructRdocType(var));
}
// apply the same fix, enhancement for allVars
for (CodegenProperty var : cm.allVars) {
// check to see if base name is an empty string
if ("".equals(var.baseName)) {
LOGGER.debug("Empty baseName `` (empty string) in the model `{}` has been renamed to `empty_string` to avoid compilation errors.", cm.classname);
var.baseName = "empty_string";
}
// create extension x-r-doc-type to store the data type in r doc format
var.vendorExtensions.put("x-r-doc-type", constructRdocType(var));
}
}
return postProcessModelsEnum(objs);
}
@Override
protected boolean needToImport(String type) {
return !languageSpecificPrimitives.contains(type);
}
public void setExceptionPackageToUse(String exceptionPackage) {
if (DEFAULT.equals(exceptionPackage))
this.useDefaultExceptionHandling = true;
if (RLANG.equals(exceptionPackage)) {
supportingFiles.add(new SupportingFile("api_exception.mustache", File.separator + "R", "api_exception.R"));
this.useRlangExceptionHandling = true;
}
}
public boolean getUseOneOfDiscriminatorLookup() {
return this.useOneOfDiscriminatorLookup;
}
public void setOperationIdNaming(final String operationIdNaming) {
if (!("PascalCase".equals(operationIdNaming) || "camelCase".equals(operationIdNaming) ||
"snake_case".equals(operationIdNaming))) {
throw new IllegalArgumentException("Invalid operationIdNaming: " + operationIdNaming +
". Must be PascalCase, camelCase or snake_case");
}
if ("snake_case".equals(operationIdNaming)) {
additionalProperties.put("WithHttpInfo", "_with_http_info");
} else {
additionalProperties.put("WithHttpInfo", "WithHttpInfo");
}
this.operationIdNaming = operationIdNaming;
}
@Override
public String escapeQuotationMark(String input) {
// remove " to avoid code injection
return input.replace("\"", "");
}
@Override
public String escapeUnsafeCharacters(String input) {
return input.replace("]]", "] ]");
}
public Map createMapping(String key, String value) {
Map customImport = new HashMap();
customImport.put(key, value);
return customImport;
}
@Override
public String toEnumValue(String value, String datatype) {
if ("int".equals(datatype) || "double".equals(datatype) || "float".equals(datatype)) {
return value;
} else {
return escapeText(value);
}
}
@Override
public String toEnumDefaultValue(String value, String datatype) {
return datatype + "_" + value;
}
@Override
public String toEnumVarName(String name, String datatype) {
if (name.length() == 0) {
return "EMPTY";
}
// number
if ("int".equals(datatype) || "double".equals(datatype) || "float".equals(datatype)) {
String varName = name;
varName = varName.replaceAll("-", "MINUS_");
varName = varName.replaceAll("\\+", "PLUS_");
varName = varName.replaceAll("\\.", "_DOT_");
return varName;
}
// for symbol, e.g. $, #
if (getSymbolName(name) != null) {
return getSymbolName(name).toUpperCase(Locale.ROOT);
}
// string
String enumName = sanitizeName(underscore(name).toUpperCase(Locale.ROOT));
enumName = enumName.replaceFirst("^_", "");
enumName = enumName.replaceFirst("_$", "");
if (isReservedWord(enumName) || enumName.matches("\\d.*")) { // reserved word or starts with number
return escapeReservedWord(enumName);
} else {
return enumName;
}
}
@Override
public String toEnumName(CodegenProperty property) {
String enumName = underscore(toModelName(property.name)).toUpperCase(Locale.ROOT);
// remove [] for array or map of enum
enumName = enumName.replace("[]", "");
if (enumName.matches("\\d.*")) { // starts with number
return "_" + enumName;
} else {
return enumName;
}
}
@Override
public void setParameterExampleValue(CodegenParameter p) {
String example;
if (p.defaultValue == null) {
example = p.example;
} else {
p.example = p.defaultValue;
return;
}
String type = p.baseType;
if (type == null) {
type = p.dataType;
}
if ("character".equals(type)) {
if (example == null) {
example = p.paramName + "_example";
}
example = "\"" + escapeText(example) + "\"";
} else if ("integer".equals(type)) {
if (example == null) {
example = "56";
}
} else if ("numeric".equals(type)) {
if (example == null) {
example = "3.4";
}
} else if ("data.frame".equals(type)) {
if (example == null) {
example = "/path/to/file";
}
example = "File.new('" + escapeText(example) + "')";
} else if (!languageSpecificPrimitives.contains(type)) {
// type is a model class, e.g. User
example = type + "$new()";
}
if (example == null) {
example = "NULL";
} else if (Boolean.TRUE.equals(p.isArray)) {
example = "[" + example + "]";
} else if (Boolean.TRUE.equals(p.isMap)) {
example = "{'key' => " + example + "}";
}
p.example = example;
}
/**
* Return the example value of the parameter. Overrides the
* setParameterExampleValue(CodegenParameter, Parameter) method in
* DefaultCodegen to always call setParameterExampleValue(CodegenParameter)
* in this class, which adds single quotes around strings from the
* x-example property.
*
* @param codegenParameter Codegen parameter
* @param parameter Parameter
*/
@Override
public void setParameterExampleValue(CodegenParameter codegenParameter, Parameter parameter) {
if (parameter.getExample() != null) {
codegenParameter.example = parameter.getExample().toString();
} else if (parameter.getExamples() != null && !parameter.getExamples().isEmpty()) {
Example example = parameter.getExamples().values().iterator().next();
if (example.getValue() != null) {
codegenParameter.example = example.getValue().toString();
}
} else {
Schema schema = parameter.getSchema();
if (schema != null && schema.getExample() != null) {
codegenParameter.example = schema.getExample().toString();
}
}
setParameterExampleValue(codegenParameter);
}
/**
* Return the default value of the property
*
* @param p OpenAPI property object
* @return string presentation of the default value of the property
*/
@Override
public String toDefaultValue(Schema p) {
if (ModelUtils.isBooleanSchema(p)) {
if (p.getDefault() != null) {
if (!Boolean.valueOf(p.getDefault().toString()))
return "FALSE";
else
return "TRUE";
}
} else if (ModelUtils.isDateSchema(p)) {
if (p.getDefault() != null) {
return "\"" + ((String.valueOf(p.getDefault()))).replaceAll("\"", "\\\"") + "\"";
}
} else if (ModelUtils.isDateTimeSchema(p)) {
if (p.getDefault() != null) {
return "\"" + ((String.valueOf(p.getDefault()))).replaceAll("\"", "\\\"") + "\"";
}
} else if (ModelUtils.isNumberSchema(p)) {
if (p.getDefault() != null) {
return p.getDefault().toString();
}
} else if (ModelUtils.isIntegerSchema(p)) {
if (p.getDefault() != null) {
return p.getDefault().toString();
}
} else if (ModelUtils.isStringSchema(p)) {
if (p.getDefault() != null) {
if (Pattern.compile("\r\n|\r|\n").matcher((String.valueOf(p.getDefault()))).find())
return "'''" + p.getDefault().toString() + "'''";
else
return "\"" + ((String.valueOf(p.getDefault()))).replaceAll("\"", "\\\"") + "\"";
}
} else if (ModelUtils.isArraySchema(p)) {
if (p.getDefault() != null) {
return p.getDefault().toString();
}
}
return null;
}
@Override
public String apiTestFileFolder() {
return outputFolder + File.separator + testFolder;
}
@Override
public String modelTestFileFolder() {
return outputFolder + File.separator + testFolder;
}
@Override
public String toApiTestFilename(String name) {
return "test_" + toApiFilename(name);
}
@Override
public String toModelTestFilename(String name) {
return "test_" + toModelFilename(name);
}
@Override
public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List allModels) {
OperationMap objectMap = objs.getOperations();
HashMap modelMaps = ModelMap.toCodegenModelMap(allModels);
List operations = objectMap.getOperation();
for (CodegenOperation operation : operations) {
for (CodegenParameter cp : operation.allParams) {
cp.vendorExtensions.put("x-r-example", constructExampleCode(cp, modelMaps));
}
}
return objs;
}
/**
* Return the R doc type (e.g. list(\link{Media}), character)
*
* @param codegenProperty Codegen property
* @return R doc type
*/
public String constructRdocType(CodegenProperty codegenProperty) {
if (codegenProperty.isArray) {
return "list(" + constructRdocType(codegenProperty.items) + ")";
} else if (codegenProperty.isMap) {
return "named list(" + constructRdocType(codegenProperty.items) + ")";
} else if (languageSpecificPrimitives.contains(codegenProperty.dataType)) {
// primitive type
return codegenProperty.dataType;
} else { // model
return "\\link{" + codegenProperty.dataType + "}";
}
}
public String constructExampleCode(CodegenParameter codegenParameter, HashMap modelMaps) {
if (codegenParameter.isArray) { // array
return "c(" + constructExampleCode(codegenParameter.items, modelMaps, 0) + ")";
} else if (codegenParameter.isMap) { // map
return "c(key = " + constructExampleCode(codegenParameter.items, modelMaps, 0) + ")";
} else if (languageSpecificPrimitives.contains(codegenParameter.dataType)) { // primitive type
return codegenParameter.example;
} else { // model
// look up the model
if (modelMaps.containsKey(codegenParameter.dataType)) {
return constructExampleCode(modelMaps.get(codegenParameter.dataType), modelMaps, 0);
} else {
LOGGER.error("Error in constructing examples. Failed to look up the model {}", codegenParameter.dataType);
return "TODO";
}
}
}
public String constructExampleCode(CodegenProperty codegenProperty, HashMap modelMaps, int depth) {
if (depth > 10) {
return "...";
}
depth++;
if (codegenProperty == null) {
return "TODO";
} else if (codegenProperty.isArray) { // array
return "c(" + constructExampleCode(codegenProperty.items, modelMaps, depth) + ")";
} else if (codegenProperty.isMap) { // map
return "c(key = " + constructExampleCode(codegenProperty.items, modelMaps, depth) + ")";
} else if (languageSpecificPrimitives.contains(codegenProperty.dataType)) { // primitive type
if ("character".equals(codegenProperty.dataType)) {
if (StringUtils.isEmpty(codegenProperty.example)) {
return "\"" + codegenProperty.example + "\"";
} else {
if (Boolean.TRUE.equals(codegenProperty.isEnum)) { // enum
return "\"" + ((List
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