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io.swagger.codegen.languages.java.JavaInflectorServerCodegen Maven / Gradle / Ivy
package io.swagger.codegen.languages.java;
import com.fasterxml.jackson.core.JsonProcessingException;
import io.swagger.codegen.CodegenConstants;
import io.swagger.codegen.CodegenModel;
import io.swagger.codegen.CodegenOperation;
import io.swagger.codegen.CodegenProperty;
import io.swagger.codegen.CodegenType;
import io.swagger.codegen.SupportingFile;
import io.swagger.v3.core.util.Yaml;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.Operation;
import org.apache.commons.lang3.BooleanUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static io.swagger.codegen.CodegenConstants.HAS_ENUMS_EXT_NAME;
import static io.swagger.codegen.CodegenConstants.IS_ENUM_EXT_NAME;
import static io.swagger.codegen.languages.helpers.ExtensionHelper.getBooleanValue;
public class JavaInflectorServerCodegen extends AbstractJavaCodegen {
private static final Logger LOGGER = LoggerFactory.getLogger(JavaInflectorServerCodegen.class);
protected String title = "Swagger Inflector";
protected String implFolder = "src/main/java";
public JavaInflectorServerCodegen() {
super();
sourceFolder = "src/gen/java";
apiTestTemplateFiles.clear(); // TODO: add test template
embeddedTemplateDir = templateDir = "v2/JavaInflector";
invokerPackage = "io.swagger.controllers";
artifactId = "swagger-inflector-server";
dateLibrary = "legacy"; //TODO: add joda support
// clear model and api doc template as this codegen
// does not support auto-generated markdown doc at the moment
//TODO: add doc templates
modelDocTemplateFiles.remove("model_doc.mustache");
apiDocTemplateFiles.remove("api_doc.mustache");
// todo: remove when system properties are removed
System.setProperty(CodegenConstants.MODEL_DOCS, Boolean.FALSE.toString());
System.setProperty(CodegenConstants.API_DOCS, Boolean.FALSE.toString());
System.setProperty(CodegenConstants.MODEL_TESTS, Boolean.FALSE.toString());
System.setProperty(CodegenConstants.API_TESTS, Boolean.FALSE.toString());
apiPackage = System.getProperty("swagger.codegen.inflector.apipackage", "io.swagger.controllers");
modelPackage = System.getProperty("swagger.codegen.inflector.modelpackage", "io.swagger.model");
additionalProperties.put("title", title);
// java inflector uses the jackson lib
additionalProperties.put("jackson", "true");
}
@Override
public CodegenType getTag() {
return CodegenType.SERVER;
}
@Override
public String getName() {
return "inflector";
}
@Override
public String getHelp() {
return "Generates a Java Inflector Server application.";
}
@Override
public void processOpts() {
super.processOpts();
writeOptional(outputFolder, new SupportingFile("pom.mustache", "", "pom.xml"));
writeOptional(outputFolder, new SupportingFile("README.mustache", "", "README.md"));
writeOptional(outputFolder, new SupportingFile("web.mustache", "src/main/webapp/WEB-INF", "web.xml"));
writeOptional(outputFolder, new SupportingFile("inflector.mustache", "", "inflector.yaml"));
supportingFiles.add(new SupportingFile("openapi3.mustache",
"src/main/resources",
"openapi3.yaml")
);
supportingFiles.add(new SupportingFile("StringUtil.mustache",
(sourceFolder + '/' + invokerPackage).replace(".", "/"), "StringUtil.java"));
}
@Override
public void addOperationToGroup(String tag, String resourcePath, Operation operation, CodegenOperation co, Map> operations) {
String basePath = resourcePath;
if (basePath.startsWith("/")) {
basePath = basePath.substring(1);
}
int pos = basePath.indexOf("/");
if (pos > 0) {
basePath = basePath.substring(0, pos);
}
if (basePath == "") {
basePath = "default";
} else {
if (co.path.startsWith("/" + basePath)) {
co.path = co.path.substring(("/" + basePath).length());
}
co.subresourceOperation = !co.path.isEmpty();
}
List opList = operations.get(basePath);
if (opList == null) {
opList = new ArrayList();
operations.put(basePath, opList);
}
opList.add(co);
co.baseName = basePath;
}
@Override
public Map postProcessOperations(Map objs) {
Map operations = (Map) objs.get("operations");
if (operations != null) {
List ops = (List) operations.get("operation");
for (CodegenOperation operation : ops) {
if (operation.returnType == null) {
operation.returnType = "Void";
} else if (operation.returnType.startsWith("List")) {
String rt = operation.returnType;
int end = rt.lastIndexOf(">");
if (end > 0) {
operation.returnType = rt.substring("List<".length(), end);
operation.returnContainer = "List";
}
} else if (operation.returnType.startsWith("Map")) {
String rt = operation.returnType;
int end = rt.lastIndexOf(">");
if (end > 0) {
operation.returnType = rt.substring("Map<".length(), end);
operation.returnContainer = "Map";
}
} else if (operation.returnType.startsWith("Set")) {
String rt = operation.returnType;
int end = rt.lastIndexOf(">");
if (end > 0) {
operation.returnType = rt.substring("Set<".length(), end);
operation.returnContainer = "Set";
}
}
}
}
return objs;
}
@Override
public void postProcessModelProperty(CodegenModel model, CodegenProperty property) {
super.postProcessModelProperty(model, property);
//Add imports for Jackson
boolean isEnum = getBooleanValue(model, IS_ENUM_EXT_NAME);
if(!BooleanUtils.toBoolean(isEnum)) {
model.imports.add("JsonProperty");
boolean hasEnums = getBooleanValue(model, HAS_ENUMS_EXT_NAME);
if(BooleanUtils.toBoolean(hasEnums)) {
model.imports.add("JsonValue");
}
}
}
@Override
public Map postProcessModelsEnum(Map objs) {
objs = super.postProcessModelsEnum(objs);
//Add imports for Jackson
List> imports = (List>)objs.get("imports");
List models = (List) objs.get("models");
for (Object _mo : models) {
Map mo = (Map) _mo;
CodegenModel cm = (CodegenModel) mo.get("model");
// for enum model
boolean isEnum = getBooleanValue(cm, IS_ENUM_EXT_NAME);
if (Boolean.TRUE.equals(isEnum) && cm.allowableValues != null) {
cm.imports.add(importMapping.get("JsonValue"));
Map item = new HashMap();
item.put("import", importMapping.get("JsonValue"));
imports.add(item);
}
}
return objs;
}
@Override
protected String getOrGenerateOperationId(Operation operation, String path, String httpMethod) {
return super.getOrGenerateOperationId(operation, path, httpMethod.toUpperCase());
}
public String apiFilename(String templateName, String tag) {
String result = super.apiFilename(templateName, tag);
if ( templateName.endsWith("api.mustache") ) {
int ix = result.indexOf(sourceFolder);
String beg = result.substring(0, ix);
String end = result.substring(ix + sourceFolder.length());
new java.io.File(beg + implFolder).mkdirs();
result = beg + implFolder + end;
}
return result;
}
@Override
public Map postProcessSupportingFileData(Map objs) {
OpenAPI openAPI = (OpenAPI) objs.get("openAPI");
if(openAPI != null) {
try {
objs.put("openapi3-yaml", Yaml.mapper().writeValueAsString(openAPI));
} catch (JsonProcessingException e) {
LOGGER.error(e.getMessage(), e);
}
}
return super.postProcessSupportingFileData(objs);
}
@Override
public String toApiName(String name) {
if (name.length() == 0) {
return "DefaultController";
}
name = name.replaceAll("[^a-zA-Z0-9]+", "_");
return camelize(name)+ "Controller";
}
}
