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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 com.samskivert.mustache.Mustache;
import com.samskivert.mustache.Template;
import org.apache.commons.lang3.StringUtils;
import org.openapitools.codegen.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Arrays;
import java.util.HashMap;
public class ScalazClientCodegen extends AbstractScalaCodegen implements CodegenConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(ScalazClientCodegen.class);
public ScalazClientCodegen() {
super();
outputFolder = "generated-code/scalaz";
embeddedTemplateDir = templateDir = "scalaz";
apiPackage = "org.openapitools.client.api";
modelPackage = "org.openapitools.client.api";
modelTemplateFiles.put("model.mustache", ".scala");
apiTemplateFiles.put("api.mustache", ".scala");
setReservedWordsLowerCase(
Arrays.asList(
// local variable names used in API methods (endpoints)
"path", "contentTypes", "contentType", "queryParams", "headerParams",
"formParams", "postBody", "mp", "basePath", "apiInvoker",
// scala reserved words
"abstract", "case", "catch", "class", "def", "do", "else", "extends",
"false", "final", "finally", "for", "forSome", "if", "implicit",
"import", "lazy", "match", "new", "null", "object", "override", "package",
"private", "protected", "return", "sealed", "super", "this", "throw",
"trait", "try", "true", "type", "val", "var", "while", "with", "yield")
);
additionalProperties.put("apiPackage", apiPackage);
supportingFiles.add(new SupportingFile("build.sbt.mustache", "", "build.sbt"));
supportingFiles.add(new SupportingFile("dateTimeCodecs.mustache", (sourceFolder + File.separator + apiPackage).replace(".", File.separator), "DateTimeCodecs.scala"));
supportingFiles.add(new SupportingFile("HelperCodecs.mustache", (sourceFolder + File.separator + apiPackage).replace(".", File.separator), "HelperCodecs.scala"));
supportingFiles.add(new SupportingFile("QueryParamTypeclass.mustache", (sourceFolder + File.separator + apiPackage).replace(".", File.separator), "QueryParamTypeclass.scala"));
importMapping.remove("List");
importMapping.remove("Set");
importMapping.remove("Map");
importMapping.put("Date", "java.util.Date");
importMapping.put("ListBuffer", "scala.collection.mutable.ListBuffer");
typeMapping = new HashMap();
typeMapping.put("enum", "NSString");
typeMapping.put("array", "List");
typeMapping.put("set", "Set");
typeMapping.put("boolean", "Boolean");
typeMapping.put("string", "String");
typeMapping.put("int", "Int");
typeMapping.put("long", "Long");
typeMapping.put("float", "Float");
typeMapping.put("byte", "Byte");
typeMapping.put("short", "Short");
typeMapping.put("char", "Char");
typeMapping.put("double", "Double");
typeMapping.put("object", "Any");
typeMapping.put("file", "File");
typeMapping.put("binary", "File");
typeMapping.put("number", "BigDecimal");
typeMapping.put("date-time", "DateTime");
typeMapping.put("date", "DateTime");
instantiationTypes.put("array", "ListBuffer");
instantiationTypes.put("map", "HashMap");
additionalProperties.put("fnEnumEntry", new EnumEntryLambda());
cliOptions.add(new CliOption(CodegenConstants.MODEL_PROPERTY_NAMING, CodegenConstants.MODEL_PROPERTY_NAMING_DESC).defaultValue("camelCase"));
}
@Override
public void processOpts() {
super.processOpts();
if (additionalProperties.containsKey(CodegenConstants.MODEL_PROPERTY_NAMING)) {
setModelPropertyNaming((String) additionalProperties.get(CodegenConstants.MODEL_PROPERTY_NAMING));
}
}
public void setModelPropertyNaming(String naming) {
if ("original".equals(naming) || "camelCase".equals(naming) ||
"PascalCase".equals(naming) || "snake_case".equals(naming)) {
this.modelPropertyNaming = naming;
} else {
throw new IllegalArgumentException("Invalid model property naming '" +
naming + "'. Must be 'original', 'camelCase', " +
"'PascalCase' or 'snake_case'");
}
}
public String getModelPropertyNaming() {
return this.modelPropertyNaming;
}
@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 ("_".equals(name)) {
name = "_u";
}
// if it's all uppper case, do nothing
if (name.matches("^[A-Z_]*$")) {
return name;
}
name = getNameUsingModelPropertyNaming(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 toEnumName(CodegenProperty property) {
return formatIdentifier(property.baseName, true);
}
public String getNameUsingModelPropertyNaming(String name) {
switch (CodegenConstants.MODEL_PROPERTY_NAMING_TYPE.valueOf(getModelPropertyNaming())) {
case original:
return name;
case camelCase:
return camelize(name, true);
case PascalCase:
return camelize(name);
case snake_case:
return underscore(name);
default:
throw new IllegalArgumentException("Invalid model property naming '" +
name + "'. Must be 'original', 'camelCase', " +
"'PascalCase' or 'snake_case'");
}
}
@Override
public CodegenType getTag() {
return CodegenType.CLIENT;
}
@Override
public String getName() {
return "scalaz";
}
@Override
public String getHelp() {
return "Generates a Scalaz client library (beta) that uses http4s";
}
@Override
public String toOperationId(String operationId) {
// throw exception if method name is empty
if (StringUtils.isEmpty(operationId)) {
throw new RuntimeException("Empty method name (operationId) not allowed");
}
// method name cannot use reserved keyword, e.g. return
if (isReservedWord(operationId)) {
throw new RuntimeException(operationId + " (reserved word) cannot be used as method name");
}
return camelize(operationId, true);
}
@Override
public String toModelName(final String name) {
final String sanitizedName = sanitizeName(modelNamePrefix + this.stripPackageName(name) + modelNameSuffix);
// camelize the model name
// phone_number => PhoneNumber
final String camelizedName = camelize(sanitizedName);
// model name cannot use reserved keyword, e.g. return
if (isReservedWord(camelizedName)) {
final String modelName = "Model" + camelizedName;
LOGGER.warn(camelizedName + " (reserved word) cannot be used as model name. Renamed to " + modelName);
return modelName;
}
// model name starts with number
if (name.matches("^\\d.*")) {
final String modelName = "Model" + camelizedName; // e.g. 200Response => Model200Response (after camelize)
LOGGER.warn(name + " (model name starts with number) cannot be used as model name. Renamed to " + modelName);
return modelName;
}
return camelizedName;
}
private static abstract class CustomLambda implements Mustache.Lambda {
@Override
public void execute(Template.Fragment frag, Writer out) throws IOException {
final StringWriter tempWriter = new StringWriter();
frag.execute(tempWriter);
out.write(formatFragment(tempWriter.toString()));
}
public abstract String formatFragment(String fragment);
}
private class EnumEntryLambda extends CustomLambda {
@Override
public String formatFragment(String fragment) {
return formatIdentifier(fragment, true);
}
}
}
