io.swagger.codegen.languages.RustServerCodegen Maven / Gradle / Ivy
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package io.swagger.codegen.languages;
import com.fasterxml.jackson.core.JsonProcessingException;
import io.swagger.codegen.CliOption;
import io.swagger.codegen.CodegenConfig;
import io.swagger.codegen.CodegenConstants;
import io.swagger.codegen.CodegenModel;
import io.swagger.codegen.CodegenOperation;
import io.swagger.codegen.CodegenParameter;
import io.swagger.codegen.CodegenProperty;
import io.swagger.codegen.CodegenResponse;
import io.swagger.codegen.CodegenType;
import io.swagger.codegen.DefaultCodegen;
import io.swagger.codegen.SupportingFile;
import io.swagger.codegen.utils.URLPathUtil;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.Operation;
import io.swagger.v3.oas.models.info.Info;
import io.swagger.v3.oas.models.media.ArraySchema;
import io.swagger.v3.oas.models.media.BooleanSchema;
import io.swagger.v3.oas.models.media.FileSchema;
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 io.swagger.v3.oas.models.media.XML;
import io.swagger.v3.oas.models.parameters.Parameter;
import io.swagger.v3.core.util.Yaml;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.*;
import java.util.Map.Entry;
import org.apache.commons.lang3.StringUtils;
import static io.swagger.codegen.languages.helpers.ExtensionHelper.getBooleanValue;
public class RustServerCodegen extends DefaultCodegen implements CodegenConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(RustServerCodegen.class);
private HashMap modelXmlNames = new HashMap();
private static final String NO_FORMAT = "%%NO_FORMAT";
protected String apiVersion = "1.0.0";
protected String serverHost = "localhost";
protected int serverPort = 8080;
protected String projectName = "swagger-server";
protected String apiPath = "rust-server";
protected String packageName;
protected String packageVersion;
protected String externCrateName;
public RustServerCodegen() {
super();
// set the output folder here
outputFolder = "generated-code/rust-server";
/*
* Models. You can write model files using the modelTemplateFiles map.
* if you want to create one template for file, you can do so here.
* for multiple files for model, just put another entry in the `modelTemplateFiles` with
* a different extension
*/
modelTemplateFiles.clear();
/*
* Api classes. You can write classes for each Api file with the apiTemplateFiles map.
* as with models, add multiple entries with different extensions for multiple files per
* class
*/
apiTemplateFiles.clear();
/*
* Template Location. This is the location which templates will be read from. The generator
* will use the resource stream to attempt to read the templates.
*/
embeddedTemplateDir = templateDir = "rust-server";
/*
* Reserved words. Override this with reserved words specific to your language
*/
setReservedWordsLowerCase(
Arrays.asList(
// From https://doc.rust-lang.org/grammar.html#keywords
"abstract", "alignof", "as", "become", "box", "break", "const",
"continue", "crate", "do", "else", "enum", "extern", "false",
"final", "fn", "for", "if", "impl", "in", "let", "loop", "macro",
"match", "mod", "move", "mut", "offsetof", "override", "priv",
"proc", "pub", "pure", "ref", "return", "Self", "self", "sizeof",
"static", "struct", "super", "trait", "true", "type", "typeof",
"unsafe", "unsized", "use", "virtual", "where", "while", "yield"
)
);
defaultIncludes = new HashSet(
Arrays.asList(
"map",
"array")
);
languageSpecificPrimitives = new HashSet(
Arrays.asList(
"bool",
"char",
"i8",
"i16",
"i32",
"i64",
"u8",
"u16",
"u32",
"u64",
"isize",
"usize",
"f32",
"f64",
"str")
);
instantiationTypes.clear();
instantiationTypes.put("array", "Vec");
instantiationTypes.put("map", "Map");
typeMapping.clear();
typeMapping.put("number", "f64");
typeMapping.put("integer", "i32");
typeMapping.put("long", "i64");
typeMapping.put("float", "f32");
typeMapping.put("double", "f64");
typeMapping.put("string", "String");
typeMapping.put("UUID", "uuid::Uuid");
typeMapping.put("byte", "u8");
typeMapping.put("ByteArray", "swagger::ByteArray");
typeMapping.put("binary", "swagger::ByteArray");
typeMapping.put("boolean", "bool");
typeMapping.put("date", "chrono::DateTime");
typeMapping.put("DateTime", "chrono::DateTime");
typeMapping.put("password", "String");
typeMapping.put("File", "Box, Error=Error> + Send>");
typeMapping.put("file", "Box, Error=Error> + Send>");
typeMapping.put("array", "Vec");
typeMapping.put("map", "HashMap");
importMapping = new HashMap();
cliOptions.clear();
cliOptions.add(new CliOption(CodegenConstants.PACKAGE_NAME,
"Rust crate name (convention: snake_case).")
.defaultValue("swagger_client"));
cliOptions.add(new CliOption(CodegenConstants.PACKAGE_VERSION,
"Rust crate version.")
.defaultValue("1.0.0"));
/*
* Additional Properties. These values can be passed to the templates and
* are available in models, apis, and supporting files
*/
additionalProperties.put("apiVersion", apiVersion);
additionalProperties.put("apiPath", apiPath);
/*
* Supporting Files. You can write single files for the generator with the
* entire object tree available. If the input file has a suffix of `.mustache
* it will be processed by the template engine. Otherwise, it will be copied
*/
supportingFiles.add(new SupportingFile("swagger.mustache", "api", "swagger.yaml"));
supportingFiles.add(new SupportingFile("Cargo.mustache", "", "Cargo.toml"));
supportingFiles.add(new SupportingFile("cargo-config", ".cargo", "config"));
supportingFiles.add(new SupportingFile("gitignore", "", ".gitignore"));
supportingFiles.add(new SupportingFile("lib.mustache", "src", "lib.rs"));
supportingFiles.add(new SupportingFile("models.mustache", "src", "models.rs"));
supportingFiles.add(new SupportingFile("server.mustache", "src", "server.rs"));
supportingFiles.add(new SupportingFile("client.mustache", "src", "client.rs"));
supportingFiles.add(new SupportingFile("mimetypes.mustache", "src", "mimetypes.rs"));
supportingFiles.add(new SupportingFile("example-server.mustache", "examples", "server.rs"));
supportingFiles.add(new SupportingFile("example-client.mustache", "examples", "client.rs"));
supportingFiles.add(new SupportingFile("example-server_lib.mustache", "examples/server_lib", "mod.rs"));
supportingFiles.add(new SupportingFile("example-server_server.mustache", "examples/server_lib", "server.rs"));
supportingFiles.add(new SupportingFile("example-ca.pem", "examples", "ca.pem"));
supportingFiles.add(new SupportingFile("example-server-chain.pem", "examples", "server-chain.pem"));
supportingFiles.add(new SupportingFile("example-server-key.pem", "examples", "server-key.pem"));
writeOptional(outputFolder, new SupportingFile("README.mustache", "", "README.md"));
}
@Override
public void processOpts() {
super.processOpts();
if (additionalProperties.containsKey(CodegenConstants.PACKAGE_NAME)) {
setPackageName((String) additionalProperties.get(CodegenConstants.PACKAGE_NAME));
}
else {
setPackageName("swagger_client");
}
if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {
setPackageVersion((String) additionalProperties.get(CodegenConstants.PACKAGE_VERSION));
}
else {
setPackageVersion("1.0.0");
}
additionalProperties.put(CodegenConstants.PACKAGE_NAME, packageName);
additionalProperties.put(CodegenConstants.PACKAGE_VERSION, packageVersion);
additionalProperties.put("externCrateName", externCrateName);
}
public void setPackageName(String packageName) {
this.packageName = packageName;
// Also set the extern crate name, which has any '-' replace with a '_'.
this.externCrateName = packageName.replace('-', '_');
}
public void setPackageVersion(String packageVersion) {
this.packageVersion = packageVersion;
}
@Override
public String apiPackage() {
return apiPath;
}
/**
* Configures the type of generator.
*
* @return the CodegenType for this generator
* @see io.swagger.codegen.CodegenType
*/
@Override
public CodegenType getTag() {
return CodegenType.SERVER;
}
/**
* Configures a friendly name for the generator. This will be used by the generator
* to select the library with the -l flag.
*
* @return the friendly name for the generator
*/
@Override
public String getName() {
return "rust-server";
}
/**
* Returns human-friendly help for the generator. Provide the consumer with help
* tips, parameters here
*
* @return A string value for the help message
*/
@Override
public String getHelp() {
return "Generates a Rust client/server library (beta) using the swagger-codegen project.";
}
@Override
public void preprocessOpenAPI(OpenAPI openAPI) {
Info info = openAPI.getInfo();
List versionComponents = new ArrayList(Arrays.asList(info.getVersion().split("[.]")));
if (versionComponents.size() < 1) {
versionComponents.add("1");
}
while (versionComponents.size() < 3) {
versionComponents.add("0");
}
info.setVersion(StringUtils.join(versionComponents, "."));
String host = URLPathUtil.getHost(openAPI);
if (host != null) {
String[] parts = host.split(":");
if (parts.length > 1) {
serverHost = parts[0];
try {
serverPort = Integer.valueOf(parts[1]);
} catch (NumberFormatException e) {
LOGGER.warn("Port of Swagger host is not an integer : " + host, e);
}
} else {
serverHost = host;
}
}
additionalProperties.put("serverHost", serverHost);
additionalProperties.put("serverPort", serverPort);
}
@Override
public String toApiName(String name) {
if (name.length() == 0) {
return "default";
}
return underscore(name);
}
/**
* Escapes a reserved word as defined in the `reservedWords` array. Handle escaping
* those terms here. This logic is only called if a variable matches the reserved words
*
* @return the escaped term
*/
@Override
public String escapeReservedWord(String name) {
if (this.reservedWordsMappings().containsKey(name)) {
return this.reservedWordsMappings().get(name);
}
return "_" + name; // add an underscore to the name
}
/**
* Location to write api files. You can use the apiPackage() as defined when the class is
* instantiated
*/
@Override
public String apiFileFolder() {
return outputFolder + File.separator + apiPackage().replace('.', File.separatorChar);
}
@Override
public String toModelName(String name) {
// camelize the model name
// phone_number => PhoneNumber
String camelizedName = camelize(toModelFilename(name));
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(camelizedName)) {
camelizedName = "Model" + camelizedName;
LOGGER.warn(camelizedName + " (reserved word) cannot be used as model name. Renamed to " + camelizedName);
}
// model name starts with number
else if (name.matches("^\\d.*")) {
// e.g. 200Response => Model200Response (after camelize)
camelizedName = "Model" + camelizedName;
LOGGER.warn(name + " (model name starts with number) cannot be used as model name. Renamed to " + camelizedName);
}
return camelizedName;
}
@Override
public String toParamName(String name) {
// should be the same as variable name (stolen from RubyClientCodegen)
return toVarName(name);
}
@Override
public String toVarName(String name) {
String sanitizedName = super.sanitizeName(name);
// for reserved word or word starting with number, append _
if (isReservedWord(sanitizedName) || sanitizedName.matches("^\\d.*")) {
sanitizedName = escapeReservedWord(sanitizedName);
}
return underscore(sanitizedName);
}
@Override
public String toOperationId(String operationId) {
// method name cannot use reserved keyword, e.g. return
if (isReservedWord(operationId)) {
LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + camelize(sanitizeName("call_" + operationId)));
operationId = "call_" + operationId;
}
return camelize(operationId);
}
@Override
public String toModelFilename(String name) {
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(name + " (reserved word) cannot be used as model name. Renamed to " + camelize("model_" + name));
name = "model_" + name; // e.g. return => ModelReturn (after camelize)
}
return underscore(name);
}
@Override
public String toEnumName(CodegenProperty property) {
return sanitizeName(camelize(property.name)) + "Enum";
}
@Override
public String toEnumVarName(String value, String datatype) {
String var = null;
if (value.length() == 0) {
var = "EMPTY";
}
// for symbol, e.g. $, #
else if (getSymbolName(value) != null) {
var = getSymbolName(value).toUpperCase();
}
// number
else if ("Integer".equals(datatype) || "Long".equals(datatype) ||
"Float".equals(datatype) || "Double".equals(datatype)) {
String varName = "NUMBER_" + value;
varName = varName.replaceAll("-", "MINUS_");
varName = varName.replaceAll("\\+", "PLUS_");
varName = varName.replaceAll("\\.", "_DOT_");
var = varName;
}
// string
var = value.replaceAll("\\W+", "_").toUpperCase();
if (var.matches("\\d.*")) {
var = "_" + var;
} else {
var = sanitizeName(var);
}
return var;
}
@Override
public String toEnumValue(String value, String datatype) {
if ("Integer".equals(datatype) || "Long".equals(datatype) ||
"Float".equals(datatype) || "Double".equals(datatype)) {
return value;
} else {
return "\"" + escapeText(value) + "\"";
}
}
@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.go => pet_api.go
return underscore(name);
}
@Override
public String escapeQuotationMark(String input) {
// remove " to avoid code injection
return input.replace("\"", "");
}
@Override
public String escapeUnsafeCharacters(String input) {
return input.replace("*/", "*_/").replace("/*", "/_*");
}
@Override
public CodegenOperation fromOperation(String path, String httpMethod, Operation operation, Map schemas, OpenAPI openAPI) {
CodegenOperation op = super.fromOperation(path, httpMethod, operation, schemas, openAPI);
op.vendorExtensions.put("operation_id", underscore(op.operationId));
op.vendorExtensions.put("uppercase_operation_id", underscore(op.operationId).toUpperCase());
op.vendorExtensions.put("path", op.path.replace("{", ":").replace("}", ""));
op.vendorExtensions.put("HttpMethod", Character.toUpperCase(op.httpMethod.charAt(0)) + op.httpMethod.substring(1).toLowerCase());
op.vendorExtensions.put("httpmethod", op.httpMethod.toLowerCase());
for (CodegenParameter param : op.allParams) {
String example = null;
if (getBooleanValue(param, CodegenConstants.IS_STRING_EXT_NAME)) {
if (param.dataFormat != null && param.dataFormat.equals("byte")) {
param.vendorExtensions.put("formatString", "\\\"{:?}\\\"");
example = "swagger::ByteArray(\"" + ((param.example != null) ? param.example : "") + "\".to_string().into_bytes())";
} else {
param.vendorExtensions.put("formatString", "\\\"{}\\\"");
example = "\"" + ((param.example != null) ? param.example : "") + "\".to_string()";
}
} else if (getBooleanValue(param, CodegenConstants.IS_PRIMITIVE_TYPE_EXT_NAME)) {
if (getBooleanValue(param, CodegenConstants.IS_BYTE_ARRAY_EXT_NAME)
|| getBooleanValue(param, CodegenConstants.IS_BINARY_EXT_NAME)) {
// Binary primitive types don't implement `Display`.
param.vendorExtensions.put("formatString", "{:?}");
example = "swagger::ByteArray(Vec::from(\"" + ((param.example != null) ? param.example : "") + "\"))";
} else {
param.vendorExtensions.put("formatString", "{}");
example = (param.example != null) ? param.example : "";
}
} else if (getBooleanValue(param, CodegenConstants.IS_LIST_CONTAINER_EXT_NAME)) {
param.vendorExtensions.put("formatString", "{:?}");
example = (param.example != null) ? param.example : "&Vec::new()";
} else if (getBooleanValue(param, CodegenConstants.IS_FILE_EXT_NAME)) {
param.vendorExtensions.put("formatString", "{:?}");
op.vendorExtensions.put("hasFile", true);
additionalProperties.put("apiHasFile", true);
example = "Box::new(stream::once(Ok(b\"hello\".to_vec()))) as Box + Send>";
} else {
param.vendorExtensions.put("formatString", "{:?}");
if (param.example != null) {
example = "serde_json::from_str::<" + param.dataType + ">(\"" + param.example + "\").expect(\"Failed to parse JSON example\")";
}
}
if (param.required) {
if (example != null) {
param.vendorExtensions.put("example", example);
} else if (getBooleanValue(param, CodegenConstants.IS_LIST_CONTAINER_EXT_NAME)) {
// Use the empty list if we don't have an example
param.vendorExtensions.put("example", "&Vec::new()");
}
else {
// If we don't have an example that we can provide, we need to disable the client example, as it won't build.
param.vendorExtensions.put("example", "???");
op.vendorExtensions.put("noClientExample", Boolean.TRUE);
}
} else if ((param.dataFormat != null)&&((param.dataFormat.equals("date-time")) || (param.dataFormat.equals("date")))) {
param.vendorExtensions.put("formatString", "{:?}");
param.vendorExtensions.put("example", "None");
} else {
// Not required, so override the format string and example
param.vendorExtensions.put("formatString", "{:?}");
if (getBooleanValue(param, CodegenConstants.IS_FILE_EXT_NAME)) {
// Optional file types are wrapped in a future
param.vendorExtensions.put("example", (example != null) ? "Box::new(future::ok(Some(" + example + "))) as Box + Send>" : "None");
} else {
param.vendorExtensions.put("example", (example != null) ? "Some(" + example + ")" : "None");
}
}
}
Set consumes = getConsumesInfo(operation);
boolean consumesPlainText = false;
boolean consumesXml = false;
// if "consumes" is defined (per operation or using global definition)
if (consumes != null && !consumes.isEmpty()) {
List> c = new ArrayList>();
for (String key : consumes) {
Map mediaType = new HashMap();
String mimeType = processMimeType(key);
if (mimeType.startsWith("Application/Xml") || mimeType.startsWith("application/xml")) {
additionalProperties.put("usesXml", true);
consumesXml = true;
} else if (mimeType.startsWith("Text/Plain")) {
consumesPlainText = true;
}
mediaType.put("mediaType", mimeType);
c.add(mediaType);
}
op.consumes = c;
op.getVendorExtensions().put(CodegenConstants.HAS_CONSUMES_EXT_NAME, Boolean.TRUE);
}
Set produces = getConsumesInfo(operation);
boolean producesXml = false;
boolean producesPlainText = false;
if (produces != null && !produces.isEmpty()) {
List> c = new ArrayList>();
for (String key : produces) {
Map mediaType = new HashMap();
String mimeType = processMimeType(key);
if (mimeType.startsWith("Application/Xml")) {
additionalProperties.put("usesXml", true);
producesXml = true;
} else if (mimeType.startsWith("Text/Plain")) {
producesPlainText = true;
}
mediaType.put("mediaType", mimeType);
c.add(mediaType);
}
op.produces = c;
op.getVendorExtensions().put(CodegenConstants.HAS_PRODUCES_EXT_NAME, Boolean.TRUE);
}
if (op.bodyParam != null) {
if (paramHasXmlNamespace(op.bodyParam, schemas)){
op.bodyParam.vendorExtensions.put("has_namespace", "true");
}
for (String key : schemas.keySet()) {
op.bodyParam.vendorExtensions.put("model_key", key);
}
// Default to consuming json
op.bodyParam.vendorExtensions.put("uppercase_operation_id", underscore(op.operationId).toUpperCase());
if (consumesXml) {
op.bodyParam.vendorExtensions.put("consumesXml", true);
} else if (consumesPlainText) {
op.bodyParam.vendorExtensions.put("consumesPlainText", true);
} else {
op.bodyParam.vendorExtensions.put("consumesJson", true);
}
}
for (CodegenParameter param : op.bodyParams) {
if (paramHasXmlNamespace(param, schemas)){
param.vendorExtensions.put("has_namespace", "true");
}
param.vendorExtensions.put("uppercase_operation_id", underscore(op.operationId).toUpperCase());
// Default to producing json if nothing else is specified
if (consumesXml) {
param.vendorExtensions.put("consumesXml", true);
} else if (consumesPlainText) {
param.vendorExtensions.put("consumesPlainText", true);
} else {
param.vendorExtensions.put("consumesJson", true);
}
}
for (CodegenParameter param : op.headerParams) {
// Give header params a name in camel case. CodegenParameters don't have a nameInCamelCase property.
param.vendorExtensions.put("typeName", toModelName(param.baseName));
}
for (CodegenResponse rsp : op.responses) {
String[] words = rsp.message.split("[^A-Za-z ]");
String responseId;
if (rsp.vendorExtensions.containsKey("x-responseId")) {
responseId = (String)rsp.vendorExtensions.get("x-responseId");
} else if (words.length != 0) {
responseId = camelize(words[0].replace(" ", "_"));
} else {
responseId = "Status" + rsp.code;
}
rsp.vendorExtensions.put("x-responseId", responseId);
rsp.vendorExtensions.put("x-uppercaseResponseId", underscore(responseId).toUpperCase());
rsp.vendorExtensions.put("uppercase_operation_id", underscore(op.operationId).toUpperCase());
if (rsp.dataType != null) {
rsp.vendorExtensions.put("uppercase_data_type", (rsp.dataType.replace("models::", "")).toUpperCase());
// Default to producing json if nothing else is specified
if (producesXml) {
rsp.vendorExtensions.put("producesXml", true);
} else if (producesPlainText) {
rsp.vendorExtensions.put("producesPlainText", true);
} else {
rsp.vendorExtensions.put("producesJson", true);
}
// Check whether we're returning an object with a defined XML namespace.
Object property = rsp.schema;
if ((property != null) && (property instanceof Schema)){
Schema propertySchema = (Schema) property;
if (StringUtils.isNotBlank(propertySchema.get$ref())) {
String refName = propertySchema.get$ref();
if (refName.indexOf("#/components/schemas/") == 0) {
refName = refName.substring("#/components/schemas/".length());
}
Schema schema = schemas.get(refName);
if (schema != null) {
XML xml = schema.getXml();
if ((xml != null) && (xml.getNamespace() != null)){
rsp.vendorExtensions.put("has_namespace", "true");
}
}
}
}
}
for (CodegenProperty header : rsp.headers) {
header.nameInCamelCase = toModelName(header.baseName);
}
}
for (CodegenProperty header : op.responseHeaders) {
header.nameInCamelCase = toModelName(header.baseName);
}
return op;
}
@Override
public boolean isDataTypeFile(final String dataType) {
return dataType != null && dataType.equals(typeMapping.get("File").toString());
}
@Override
public String getTypeDeclaration(Schema propertySchema) {
if (propertySchema instanceof ArraySchema) {
ArraySchema arraySchema = (ArraySchema) propertySchema;
Schema inner = arraySchema.getItems();
String innerType = getTypeDeclaration(inner);
StringBuilder typeDeclaration = new StringBuilder(typeMapping.get("array")).append("<");
if (StringUtils.isNotBlank(inner.get$ref())) {
typeDeclaration.append("models::");
}
typeDeclaration.append(innerType).append(">");
return typeDeclaration.toString();
} else if (propertySchema instanceof MapSchema && hasSchemaProperties(propertySchema)) {
Schema inner = (Schema) propertySchema.getAdditionalProperties();
String innerType = getTypeDeclaration(inner);
StringBuilder typeDeclaration = new StringBuilder(typeMapping.get("map")).append("<").append(typeMapping.get("string")).append(", ");
if (StringUtils.isNotBlank(inner.get$ref())) {
typeDeclaration.append("models::");
}
typeDeclaration.append(innerType).append(">");
return typeDeclaration.toString();
} else if (StringUtils.isNotBlank(propertySchema.get$ref())) {
String datatype;
try {
datatype = propertySchema.get$ref();
if (datatype.indexOf("#/components/schemas/") == 0) {
datatype = toModelName(datatype.substring("#/components/schemas/".length()));
}
} catch (Exception e) {
LOGGER.warn("Error obtaining the datatype from RefProperty:" + propertySchema + ". Datatype default to Object");
datatype = "Object";
LOGGER.error(e.getMessage(), e);
}
return datatype;
} else if (propertySchema instanceof FileSchema) {
return typeMapping.get("File").toString();
}
return super.getTypeDeclaration(propertySchema);
}
@Override
public CodegenProperty fromProperty(String name, Schema propertySchema) {
CodegenProperty property = super.fromProperty(name, propertySchema);
if (StringUtils.isNotBlank(propertySchema.get$ref())) {
property.datatype = "models::" + property.datatype;
}
return property;
}
@Override
public String toInstantiationType(Schema propertySchema) {
if (propertySchema instanceof ArraySchema) {
ArraySchema ap = (ArraySchema) propertySchema;
Schema inner = ap.getItems();
return instantiationTypes.get("array") + "<" + getSchemaType(inner) + ">";
} else if (propertySchema instanceof MapSchema && hasSchemaProperties(propertySchema)) {
Schema inner = (Schema) propertySchema.getAdditionalProperties();
return instantiationTypes.get("map") + "<" + typeMapping.get("string") + ", " + getSchemaType(inner) + ">";
} else {
return null;
}
}
@Override
public CodegenModel fromModel(String name, Schema schema) {
return fromModel(name, schema, null);
}
@Override
public CodegenModel fromModel(String name, Schema schema, Map allSchemas) {
CodegenModel mdl = super.fromModel(name, schema, allSchemas);
mdl.vendorExtensions.put("upperCaseName", name.toUpperCase());
mdl.dataType = typeMapping.get(schema.getType());
if (schema instanceof ArraySchema) {
ArraySchema arraySchema = (ArraySchema) schema;
if ((arraySchema.getItems() != null) &&
(arraySchema.getItems().getXml() != null)){
// If this model's items require wrapping in xml, squirrel
// away the xml name so we can insert it into the relevant model fields.
String xmlName = arraySchema.getItems().getXml().getName();
if (xmlName != null) {
mdl.vendorExtensions.put("itemXmlName", xmlName);
modelXmlNames.put("models::" + mdl.classname, xmlName);
}
}
mdl.arrayModelType = toModelName(mdl.arrayModelType);
}
if (mdl.xmlNamespace != null) {
additionalProperties.put("usesXmlNamespaces", true);
}
return mdl;
}
@Override
public Map postProcessAllModels(Map objs){
Map newObjs = super.postProcessAllModels(objs);
//Index all CodegenModels by model name.
HashMap allModels = new HashMap();
for (Entry entry : objs.entrySet()) {
String modelName = toModelName(entry.getKey());
Map inner = (Map) entry.getValue();
List> models = (List>) inner.get("models");
for (Map mo : models) {
CodegenModel cm = (CodegenModel) mo.get("model");
allModels.put(modelName, cm);
}
}
for (Entry entry : allModels.entrySet()){
String modelName = entry.getKey();
CodegenModel model = entry.getValue();
for(CodegenProperty prop : model.vars){
String xmlName = modelXmlNames.get(prop.datatype);
if (xmlName != null){
prop.vendorExtensions.put("itemXmlName", xmlName);
}
}
}
return newObjs;
}
@Override
public Map postProcessSupportingFileData(Map objs) {
OpenAPI openAPI = (OpenAPI)objs.get("openapi");
if(openAPI != null) {
try {
objs.put("openapi-yaml", Yaml.mapper().writeValueAsString(openAPI));
} catch (JsonProcessingException e) {
LOGGER.error(e.getMessage(), e);
}
}
return super.postProcessSupportingFileData(objs);
}
@Override
public String toDefaultValue(Schema propertySchema) {
if (propertySchema instanceof StringSchema) {
StringSchema dp = (StringSchema) propertySchema;
if (dp.getDefault() != null) {
return "\"" + dp.getDefault() + "\".to_string()";
}
} else if (propertySchema instanceof BooleanSchema) {
BooleanSchema dp = (BooleanSchema) propertySchema;
if (dp.getDefault() != null) {
if (dp.getDefault().toString().equalsIgnoreCase("false"))
return "false";
else
return "true";
}
} else if (propertySchema instanceof NumberSchema
|| propertySchema instanceof IntegerSchema) {
if (propertySchema.getDefault() != null) {
return propertySchema.getDefault().toString();
}
}
return null;
}
@Override
public void postProcessModelProperty(CodegenModel model, CodegenProperty property) {
super.postProcessModelProperty(model, property);
if(!languageSpecificPrimitives.contains(property.datatype)) {
// If we use a more qualified model name, then only camelize the actual type, not the qualifier.
if(property.datatype.contains(":")) {
int position = property.datatype.lastIndexOf(":");
property.datatype = property.datatype.substring(0, position) + camelize(property.datatype.substring(position));
} else {
property.datatype = camelize(property.datatype, false);
}
}
if ("integer".equals(property.baseType)) {
// custom integer formats (legacy)
if ("uint32".equals(property.dataFormat)) {
property.datatype = "u32";
} else if ("uint64".equals(property.dataFormat)) {
property.datatype = "u64";
} else {
// match int type to schema constraints
Long inclusiveMinimum = property.minimum != null ? Long.parseLong(property.minimum): null;
if (inclusiveMinimum != null && property.exclusiveMinimum) {
inclusiveMinimum++;
}
// a signed int is required unless a minimum greater than zero is set
boolean unsigned = inclusiveMinimum != null && inclusiveMinimum >= 0;
Long inclusiveMaximum = property.maximum != null ? Long.parseLong(property.maximum): null;
if (inclusiveMaximum != null && property.exclusiveMaximum) {
inclusiveMaximum--;
}
switch (property.dataFormat == null ? NO_FORMAT : property.dataFormat) {
// standard swagger formats
case "int32":
property.datatype = unsigned ? "u32" : "i32";
break;
case "int64":
property.datatype = unsigned ? "u64" : "i64";
break;
case NO_FORMAT:
property.datatype = matchingIntType(unsigned, inclusiveMinimum, inclusiveMaximum);
break;
default:
// unknown format
LOGGER.warn("The integer format '{}' is not recognized and will be ignored.", property.dataFormat);
property.datatype = matchingIntType(unsigned, inclusiveMinimum, inclusiveMaximum);
}
}
}
property.name = underscore(property.name);
if (!property.required) {
property.defaultValue = (property.defaultValue != null) ? "Some(" + property.defaultValue + ")" : "None";
}
}
static long requiredBits(Long bound, boolean unsigned) {
if (bound == null) return 0;
if (unsigned) {
if (bound < 0) {
throw new RuntimeException("Unsigned bound is negative: " + bound);
}
return 65 - Long.numberOfLeadingZeros(bound >> 1);
}
return 65 - Long.numberOfLeadingZeros(
// signed bounds go from (-n) to (n - 1), i.e. i8 goes from -128 to 127
bound < 0 ? Math.abs(bound) - 1 : bound);
}
static String matchingIntType(boolean unsigned, Long inclusiveMin, Long inclusiveMax) {
long requiredMinBits = requiredBits(inclusiveMin, unsigned);
long requiredMaxBits = requiredBits(inclusiveMax, unsigned);
long requiredBits = Math.max(requiredMinBits, requiredMaxBits);
if (requiredMaxBits == 0 && requiredMinBits <= 16) {
// rust 'size' types are arch-specific and thus somewhat loose
// so they are used when no format or maximum are specified
// and as long as minimum stays within plausible smallest ptr size (16 bits)
// this way all rust types are obtainable without defining custom formats
// this behavior (default int size) could also follow a generator flag
return unsigned ? "usize" : "isize";
} else if (requiredBits <= 8) {
return unsigned ? "u8" : "i8";
} else if (requiredBits <= 16) {
return unsigned ? "u16" : "i16";
} else if (requiredBits <= 32) {
return unsigned ? "u32" : "i32";
}
return unsigned ? "u64" : "i64";
}
@Override
public Map postProcessModels(Map objs) {
return super.postProcessModelsEnum(objs);
}
private boolean paramHasXmlNamespace(CodegenParameter param, Map schemas){
Object refName = param.vendorExtensions.get("refName");
if ((refName != null) && (refName instanceof String)) {
String name = (String) refName;
Schema schema = schemas.get(name);
if ((schema != null)) {
XML xml = schema.getXml();
if ((xml != null) && (xml.getNamespace() != null)) {
return true;
}
}
}
return false;
}
private String processMimeType(String mimeType){
// Transform mime type into a form that the hyper mime! macro can handle.
String result = "";
String[] split_attributes = mimeType.split(";");
String media = split_attributes[0];
String[] mediaTypes = media.split("/");
if (mediaTypes.length == 2) {
if (mediaTypes[0].equals("*")){
result += "Star";
} else {
result += escapeText(escapeQuotationMark(initialCaps(mediaTypes[0])));
}
result += "/";
if (mediaTypes[1].equals("*")) {
result += "Star";
} else {
result += escapeText(escapeQuotationMark(initialCaps(mediaTypes[1])));
}
} else {
LOGGER.error("Failed to parse media type: "
+ mimeType
+ ", media types should have exactly one /");
}
if (split_attributes.length == 2) {
String attributes = "";
String[] attrs = split_attributes[1].split(",");
for (String attr : attrs) {
String[] keyValuePair =attr.split("=");
if (keyValuePair.length == 2) {
attributes += "(\""
+ escapeText(escapeQuotationMark(keyValuePair[0].trim()))
+ "\")=(\""
+ escapeText(escapeQuotationMark(keyValuePair[1].trim()))
+ "\")";
} else {
LOGGER.error("Failed to parse parameter attributes: "
+ split_attributes[1]
+ ", attributes must be a comma separated list of 'key=value' pairs");
}
}
result += "; " + attributes;
}
return result;
}
}
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