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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
*
* http://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 static com.google.common.base.Strings.isNullOrEmpty;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import io.swagger.v3.core.util.Json;
import io.swagger.v3.oas.models.media.ArraySchema;
import io.swagger.v3.oas.models.media.Schema;
import org.apache.commons.lang3.StringUtils;
import org.openapitools.codegen.CliOption;
import org.openapitools.codegen.CodegenConfig;
import org.openapitools.codegen.CodegenConstants;
import org.openapitools.codegen.CodegenModel;
import org.openapitools.codegen.CodegenOperation;
import org.openapitools.codegen.CodegenParameter;
import org.openapitools.codegen.CodegenProperty;
import org.openapitools.codegen.DefaultCodegen;
import org.openapitools.codegen.utils.ModelUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Set;
public abstract class AbstractEiffelCodegen extends DefaultCodegen implements CodegenConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(AbstractEiffelCodegen.class);
private final Set parentModels = new HashSet<>();
private final Multimap childrenByParent = ArrayListMultimap.create();
public AbstractEiffelCodegen() {
super();
hideGenerationTimestamp = Boolean.FALSE;
setReservedWordsLowerCase(Arrays.asList(
// language reserved words
"across", "agent", "alias", "all", "and", "as", "assign", "attribute", "check", "class", "convert",
"create", "Current", "debug", "deferred", "do", "else", "elseif", "end", "ensure", "expanded", "export",
"external", "False", "feature", "from", "frozen", "if", "implies", "inherit", "inspect", "invariant",
"like", "local", "loop", "not", "note", "obsolete", "old", "once", "only", "or", "Precursor",
"redefine", "rename", "require", "rescue", "Result", "retry", "select", "separate", "then", "True",
"TUPLE", "undefine", "until", "variant", "Void", "when", "xor"));
defaultIncludes = new HashSet(Arrays.asList("map", "array"));
languageSpecificPrimitives = new HashSet(
Arrays.asList("BOOLEAN", "INTEGER_8", "INTEGER_16", "INTEGER_32", "INTEGER_64", "NATURAL_8",
"NATURAL_16", "NATURAL_32", "NATURAL_64", "REAL_32", "REAL_64"));
instantiationTypes.clear();
typeMapping.clear();
typeMapping.put("integer", "INTEGER_32");
typeMapping.put("long", "INTEGER_64");
typeMapping.put("number", "REAL_32");
typeMapping.put("float", "REAL_32");
typeMapping.put("double", "REAL_64");
typeMapping.put("boolean", "BOOLEAN");
typeMapping.put("string", "STRING_32");
typeMapping.put("UUID", "UUID"); //
typeMapping.put("date", "DATE");
typeMapping.put("DateTime", "DATE_TIME");
typeMapping.put("date-time", "DATE_TIME");
typeMapping.put("password", "STRING");
typeMapping.put("File", "FILE");
typeMapping.put("file", "FILE");
typeMapping.put("binary", "FILE");
typeMapping.put("ByteArray", "ARRAY [NATURAL_8]");
typeMapping.put("object", "ANY");
typeMapping.put("map", "STRING_TABLE");
typeMapping.put("array", "LIST");
typeMapping.put("list", "LIST");
instantiationTypes.put("array", "ARRAYED_LIST");
instantiationTypes.put("list", "ARRAYED_LIST");
instantiationTypes.put("map", "STRING_TABLE");
cliOptions.clear();
cliOptions.add(new CliOption(CodegenConstants.PACKAGE_NAME, "Eiffel Cluster name (convention: lowercase).")
.defaultValue("openapi"));
cliOptions
.add(new CliOption(CodegenConstants.PACKAGE_VERSION, "Eiffel package version.").defaultValue("1.0.0"));
cliOptions.add(new CliOption(CodegenConstants.HIDE_GENERATION_TIMESTAMP,
CodegenConstants.HIDE_GENERATION_TIMESTAMP_DESC).defaultValue(Boolean.TRUE.toString()));
}
@Override
public String escapeReservedWord(String name) {
// Can't start with an underscore, as our fields need to start with an
// UppercaseLetter so that Go 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);
}
if (name.matches("^\\d.*")) {// prepend var_
return "var_" + name;
}
return "var_" + name;
}
@Override
public String toVarName(String name) {
// replace - with _ e.g. created-at => created_at
name = sanitizeName(name.replaceAll("-", "_"));
// if it's all uppper case, do nothing
if (name.matches("^[A-Z_]*$")) {
return name;
}
// pet_id
// petId => pet_id
name = unCamelize(name);
if (name.startsWith("_")) {
name = "var" + name;
}
// for reserved word
if (isReservedWord(name)) {
name = escapeReservedWord(name);
}
// for reserved word or word starting with number, append
if (name.matches("^\\d.*")) {
name = escapeReservedWord(name);
}
return name;
}
@Override
public String toParamName(String name) {
// params should be lowercase. E.g. "person: PERSON"
return toVarName(name).toLowerCase();
}
@Override
public String toModelName(String name) {
// phone_number => PHONE_NUMBER
return toModelFilename(name).toUpperCase();
}
@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 " + ("model_" + name));
name = "model_" + name; // e.g. return => ModelReturn (after
// camelize)
}
// 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 "
+ ("model_" + name));
name = "model_" + name; // e.g. 200Response => Model200Response
// (after camelize)
}
return underscore(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.go => pet_api.go
return underscore(name) + "_api";
}
@Override
public String toApiTestFilename(String name) {
return toApiName(name).toLowerCase() + "_test";
}
@Override
public String toApiName(String name) {
if (name.length() == 0) {
return "DEFAULT_API";
}
return name.toUpperCase() + "_API";
}
/**
* Overrides postProcessParameter to add a vendor extension
* "x-exportParamName". This is useful when paramName starts with a
* lowercase letter, but we need that param to be exportable (starts with an
* Uppercase letter).
*
* @param parameter CodegenParameter object to be processed.
*/
@Override
public void postProcessParameter(CodegenParameter parameter) {
// Give the base class a chance to process
super.postProcessParameter(parameter);
char firstChar = parameter.paramName.charAt(0);
if (Character.isUpperCase(firstChar)) {
// First char is already uppercase, just use paramName.
parameter.vendorExtensions.put("x-exportParamName", parameter.paramName);
}
// It's a lowercase first char, let's convert it to uppercase
StringBuilder sb = new StringBuilder(parameter.paramName);
sb.setCharAt(0, Character.toUpperCase(firstChar));
parameter.vendorExtensions.put("x-exportParamName", sb.toString());
}
@Override
public void postProcessModelProperty(CodegenModel model, CodegenProperty property) {
if (!isNullOrEmpty(model.parent)) {
parentModels.add(model.parent);
if (!childrenByParent.containsEntry(model.parent, model)) {
childrenByParent.put(model.parent, model);
}
}
if (!isNullOrEmpty(model.parentSchema)) {
model.parentSchema = model.parentSchema.toLowerCase();
}
}
@Override
public String toModelDocFilename(String name) {
return toModelName(name);
}
@Override
public String toApiDocFilename(String name) {
return toApiName(name);
}
@Override
public String getTypeDeclaration(Schema p) {
if (ModelUtils.isArraySchema(p)) {
ArraySchema ap = (ArraySchema) p;
Schema inner = ap.getItems();
return "LIST [" + getTypeDeclaration(inner) + "]";
} else if (ModelUtils.isMapSchema(p)) {
Schema inner = (Schema) p.getAdditionalProperties();
return getSchemaType(p) + "[" + getTypeDeclaration(inner) + "]";
}
// return super.getTypeDeclaration(p);
// Not using the supertype invocation, because we want to UpperCamelize
// the type.
String scheamType = getSchemaType(p);
if (typeMapping.containsKey(scheamType)) {
return typeMapping.get(scheamType);
}
if (typeMapping.containsValue(scheamType)) {
return scheamType;
}
if (languageSpecificPrimitives.contains(scheamType)) {
return scheamType;
}
return toModelName(scheamType);
}
@Override
public String getSchemaType(Schema p) {
String scheamType = super.getSchemaType(p);
String type = null;
if (typeMapping.containsKey(scheamType)) {
type = typeMapping.get(scheamType);
if (languageSpecificPrimitives.contains(type))
return (type);
} else
type = scheamType;
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(operationId + " (reserved word) cannot be used as method name. Renamed to "
+ camelize("call_" + operationId));
sanitizedOperationId = "call_" + sanitizedOperationId;
}
// method name from updateSomething to update_Something.
sanitizedOperationId = unCamelize(sanitizedOperationId);
return toEiffelFeatureStyle(sanitizedOperationId);
}
@Override
public Map postProcessOperations(Map objs) {
@SuppressWarnings("unchecked")
Map objectMap = (Map) objs.get("operations");
@SuppressWarnings("unchecked")
List operations = (List) objectMap.get("operation");
for (CodegenOperation operation : operations) {
// http method verb conversion (e.g. PUT => Put)
operation.httpMethod = camelize(operation.httpMethod.toLowerCase());
}
// remove model imports to avoid error
List> imports = (List>) objs.get("imports");
if (imports == null)
return objs;
Iterator> iterator = imports.iterator();
while (iterator.hasNext()) {
String _import = iterator.next().get("import");
if (_import.startsWith(apiPackage()))
iterator.remove();
}
// if the return type is not primitive, import encoding/json
for (CodegenOperation operation : operations) {
if (operation.returnBaseType != null && needToImport(operation.returnBaseType)) {
imports.add(createMapping("import", "encoding/json"));
break; // just need to import once
}
}
// this will only import "fmt" if there are items in pathParams
for (CodegenOperation operation : operations) {
if (operation.pathParams != null && operation.pathParams.size() > 0) {
imports.add(createMapping("import", "fmt"));
break; // just need to import once
}
}
// recursively add import for mapping one type to multiple imports
List> recursiveImports = (List>) objs.get("imports");
if (recursiveImports == null)
return objs;
ListIterator> listIterator = imports.listIterator();
while (listIterator.hasNext()) {
String _import = listIterator.next().get("import");
// if the import package happens to be found in the importMapping
// (key)
// add the corresponding import package to the list
if (importMapping.containsKey(_import)) {
listIterator.add(createMapping("import", importMapping.get(_import)));
}
}
return objs;
}
@Override
public Map postProcessModels(Map objs) {
// remove model imports to avoid error
// List> imports = (List>) objs.get("imports");
// final String prefix = modelPackage();
// Iterator> iterator = imports.iterator();
// while (iterator.hasNext()) {
// String _import = iterator.next().get("import");
// if (_import.startsWith(prefix))
// iterator.remove();
// }
//
// // recursively add import for mapping one type to multiple imports
// List> recursiveImports = (List>) objs.get("imports");
// if (recursiveImports == null)
// return objs;
//
// ListIterator> listIterator = imports.listIterator();
// while (listIterator.hasNext()) {
// String _import = listIterator.next().get("import");
// // if the import package happens to be found in the importMapping
// // (key)
// // add the corresponding import package to the list
// if (importMapping.containsKey(_import)) {
// listIterator.add(createMapping("import", importMapping.get(_import)));
// }
// }
//
// return objs;
// process enum in models
return postProcessModelsEnum(objs);
}
@Override
public Map postProcessAllModels(final Map models) {
final Map processed = super.postProcessAllModels(models);
postProcessParentModels(models);
return processed;
}
private void postProcessParentModels(final Map models) {
for (final String parent : parentModels) {
final CodegenModel parentModel = ModelUtils.getModelByName(parent, models);
final Collection childrenModels = childrenByParent.get(parent);
for (final CodegenModel child : childrenModels) {
processParentPropertiesInChildModel(parentModel, child);
}
}
}
/**
* Sets the child property's isInherited flag to true if it is an inherited
* property
*/
private void processParentPropertiesInChildModel(final CodegenModel parent, final CodegenModel child) {
final Map childPropertiesByName = new HashMap<>(child.vars.size());
for (final CodegenProperty childProperty : child.vars) {
childPropertiesByName.put(childProperty.name, childProperty);
}
if (parent != null) {
for (final CodegenProperty parentProperty : parent.vars) {
final CodegenProperty duplicatedByParent = childPropertiesByName.get(parentProperty.name);
if (duplicatedByParent != null) {
duplicatedByParent.isInherited = true;
}
}
}
}
@Override
public CodegenModel fromModel(String name, Schema model, Map allDefinitions) {
CodegenModel codegenModel = super.fromModel(name, model, allDefinitions);
if (allDefinitions != null && codegenModel.parentSchema != null && codegenModel.hasEnums) {
final Schema parentModel = allDefinitions.get(codegenModel.parentSchema);
final CodegenModel parentCodegenModel = super.fromModel(codegenModel.parent, parentModel, allDefinitions);
codegenModel = AbstractEiffelCodegen.reconcileInlineEnums(codegenModel, parentCodegenModel);
}
return codegenModel;
}
private static CodegenModel reconcileInlineEnums(CodegenModel codegenModel, CodegenModel parentCodegenModel) {
// This generator uses inline classes to define enums, which breaks when
// dealing with models that have subTypes. To clean this up, we will analyze
// the parent and child models, look for enums that match, and remove
// them from the child models and leave them in the parent.
// Because the child models extend the parents, the enums will be available via the parent.
// Only bother with reconciliation if the parent model has enums.
if (!parentCodegenModel.hasEnums) {
return codegenModel;
}
// Get the properties for the parent and child models
final List parentModelCodegenProperties = parentCodegenModel.vars;
List codegenProperties = codegenModel.vars;
// Iterate over all of the parent model properties
boolean removedChildEnum = false;
for (CodegenProperty parentModelCodegenPropery : parentModelCodegenProperties) {
// Look for enums
if (parentModelCodegenPropery.isEnum) {
// Now that we have found an enum in the parent class,
// and search the child class for the same enum.
Iterator iterator = codegenProperties.iterator();
while (iterator.hasNext()) {
CodegenProperty codegenProperty = iterator.next();
if (codegenProperty.isEnum && codegenProperty.equals(parentModelCodegenPropery)) {
// We found an enum in the child class that is
// a duplicate of the one in the parent, so remove it.
iterator.remove();
removedChildEnum = true;
}
}
}
}
if (removedChildEnum) {
// If we removed an entry from this model's vars, we need to ensure hasMore is updated
int count = 0, numVars = codegenProperties.size();
for (CodegenProperty codegenProperty : codegenProperties) {
count += 1;
codegenProperty.hasMore = (count < numVars) ? true : false;
}
codegenModel.vars = codegenProperties;
}
return codegenModel;
}
@Override
protected boolean needToImport(String type) {
return !defaultIncludes.contains(type) && !languageSpecificPrimitives.contains(type);
}
@Override
public String escapeQuotationMark(String input) {
// remove " to avoid code injection
return input.replace("\"", "");
}
@Override
public String escapeUnsafeCharacters(String input) {
return input.replace("*/", "*_/").replace("/*", "/_*");
}
public Map createMapping(String key, String value) {
Map customImport = new HashMap();
customImport.put(key, value);
return customImport;
}
@Override
public String toInstantiationType(Schema p) {
if (ModelUtils.isMapSchema(p)) {
Schema additionalProperties2 = (Schema) p.getAdditionalProperties();
String type = additionalProperties2.getType();
if (null == type) {
LOGGER.error("No Type defined for Additional Schema " + additionalProperties2 + "\n" //
+ "\tIn Schema: " + p);
}
String inner = toModelName(getSchemaType(additionalProperties2));
return instantiationTypes.get("map") + " [" + inner + "]";
} else if (ModelUtils.isArraySchema(p)) {
ArraySchema ap = (ArraySchema) p;
String inner = toModelName(getSchemaType(ap.getItems()));
return instantiationTypes.get("array") + " [" + inner + "]";
} else {
return null;
}
}
public String unCamelize(String name) {
return name.replaceAll("(.)(\\p{Upper})", "$1_$2").toLowerCase();
}
public String toEiffelFeatureStyle(String operationId) {
if (operationId.startsWith("get_")) {
return operationId.substring(4, operationId.length());
} else {
return operationId;
}
}
/**
* Update property for array(list) container
*
* @param property Codegen property
* @param innerProperty Codegen inner property of map or list
*/
@Override
protected void updatePropertyForArray(CodegenProperty property, CodegenProperty innerProperty) {
if (innerProperty == null) {
LOGGER.warn("skipping invalid array property " + Json.pretty(property));
return;
}
property.dataFormat = innerProperty.dataFormat;
if (!languageSpecificPrimitives.contains(innerProperty.baseType)) {
property.complexType = innerProperty.baseType;
} else {
property.isPrimitiveType = true;
}
property.items = innerProperty;
// inner item is Enum
if (isPropertyInnerMostEnum(property)) {
// We use the data type instead of the Enum class.
// at the moment is not supported.
// isEnum is set to true when the type is an enum
// or the inner type of an array/map is an enum
//property.isEnum = true;
// update datatypeWithEnum and default value for array
// e.g. List => List
//updateDataTypeWithEnumForArray(property);
// set allowable values to enum values (including array/map of enum)
//property.allowableValues = getInnerEnumAllowableValues(property);
}
}
}
