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io.swagger.codegen.v3.generators.java.JavaJerseyServerCodegen Maven / Gradle / Ivy
package io.swagger.codegen.v3.generators.java;
import io.swagger.codegen.v3.CliOption;
import io.swagger.codegen.v3.CodegenConstants;
import io.swagger.codegen.v3.CodegenModel;
import io.swagger.codegen.v3.CodegenOperation;
import io.swagger.codegen.v3.CodegenProperty;
import io.swagger.codegen.v3.SupportingFile;
import io.swagger.v3.oas.models.Operation;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.StringUtils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static io.swagger.codegen.v3.CodegenConstants.HAS_ENUMS_EXT_NAME;
import static io.swagger.codegen.v3.CodegenConstants.IS_ENUM_EXT_NAME;
import static io.swagger.codegen.v3.generators.handlebars.ExtensionHelper.getBooleanValue;
public class JavaJerseyServerCodegen extends AbstractJavaJAXRSServerCodegen {
protected static final String LIBRARY_JERSEY1 = "jersey1";
protected static final String LIBRARY_JERSEY2 = "jersey2";
/**
* Default library template to use. (Default:{@value #DEFAULT_JERSEY_LIBRARY})
*/
public static final String DEFAULT_JERSEY_LIBRARY = LIBRARY_JERSEY2;
public static final String USE_TAGS = "useTags";
protected boolean useTags = false;
public JavaJerseyServerCodegen() {
super();
outputFolder = "generated-code/JavaJaxRS-Jersey";
CliOption library = new CliOption(CodegenConstants.LIBRARY, "library template (sub-template) to use");
supportedLibraries.put(LIBRARY_JERSEY1, "Jersey core 1.x");
supportedLibraries.put(LIBRARY_JERSEY2, "Jersey core 2.x");
library.setEnum(supportedLibraries);
library.setDefault(DEFAULT_JERSEY_LIBRARY);
cliOptions.add(library);
cliOptions.add(CliOption.newBoolean(USE_TAGS, "use tags for creating interface and controller classnames"));
}
@Override
public String getName() {
return "jaxrs-jersey";
}
@Override
public String getHelp() {
return "[WORK IN PROGRESS: generated code depends from Swagger v2 libraries] "
+ "Generates a Java JAXRS Server application based on Jersey framework.";
}
@Override
public void postProcessModelProperty(CodegenModel model, CodegenProperty property) {
super.postProcessModelProperty(model, property);
if ("null".equals(property.example)) {
property.example = null;
}
// 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 void processOpts() {
if ("jersey1".equalsIgnoreCase(library)) {
setUseOas2(true);
additionalProperties.put(CodegenConstants.USE_OAS2, true);
}
super.processOpts();
addTemplateFiles();
// use default library if unset
if (StringUtils.isEmpty(library)) {
setLibrary(DEFAULT_JERSEY_LIBRARY);
}
if (additionalProperties.containsKey(CodegenConstants.IMPL_FOLDER)) {
implFolder = (String) additionalProperties.get(CodegenConstants.IMPL_FOLDER);
}
if (additionalProperties.containsKey(USE_TAGS)) {
this.setUseTags(Boolean.valueOf(additionalProperties.get(USE_TAGS).toString()));
}
addDateLibrary();
addSupportingFiles();
}
public void addDateLibrary() {
if ("joda".equals(dateLibrary)) {
supportingFiles.add(new SupportingFile("JodaDateTimeProvider.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "JodaDateTimeProvider.java"));
supportingFiles.add(new SupportingFile("JodaLocalDateProvider.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "JodaLocalDateProvider.java"));
}
else if (dateLibrary.startsWith("java8")) {
supportingFiles.add(new SupportingFile("OffsetDateTimeProvider.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "OffsetDateTimeProvider.java"));
supportingFiles.add(new SupportingFile("LocalDateProvider.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "LocalDateProvider.java"));
}
}
public void addTemplateFiles() {
apiTemplateFiles.put("apiService.mustache", ".java");
apiTemplateFiles.put("apiServiceImpl.mustache", ".java");
apiTemplateFiles.put("apiServiceFactory.mustache", ".java");
apiTestTemplateFiles.clear(); // TODO: add test template
// 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");
}
public void addSupportingFiles() {
writeOptional(outputFolder, new SupportingFile("pom.mustache", "", "pom.xml"));
writeOptional(outputFolder, new SupportingFile("README.mustache", "", "README.md"));
supportingFiles.add(new SupportingFile("ApiException.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "ApiException.java"));
supportingFiles.add(new SupportingFile("ApiOriginFilter.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "ApiOriginFilter.java"));
supportingFiles.add(new SupportingFile("ApiResponseMessage.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "ApiResponseMessage.java"));
supportingFiles.add(new SupportingFile("NotFoundException.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "NotFoundException.java"));
supportingFiles.add(new SupportingFile("jacksonJsonProvider.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "JacksonJsonProvider.java"));
supportingFiles.add(new SupportingFile("RFC3339DateFormat.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "RFC3339DateFormat.java"));
writeOptional(outputFolder, new SupportingFile("bootstrap.mustache", (implFolder + '/' + apiPackage).replace(".", "/"), "Bootstrap.java"));
writeOptional(outputFolder, new SupportingFile("web.mustache", ("src/main/webapp/WEB-INF"), "web.xml"));
supportingFiles.add(new SupportingFile("StringUtil.mustache", (sourceFolder + '/' + apiPackage).replace(".", "/"), "StringUtil.java"));
}
@Override
public String getDefaultTemplateDir() {
return JAXRS_TEMPLATE_DIRECTORY_NAME;
}
@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 (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;
}
/* (non-Javadoc)
* @see io.swagger.codegen.languages.AbstractJavaJAXRSServerCodegen#postProcessOperations(java.util.Map)
*/
@Override
public Map postProcessOperations(Map objs) {
objs = super.postProcessOperations(objs);
if (useTags) {
@SuppressWarnings("unchecked")
Map operations = (Map) objs.get("operations");
if (operations != null) {
// collect paths
List allPaths = new ArrayList<>();
@SuppressWarnings("unchecked")
List ops = (List) operations.get("operation");
for (CodegenOperation operation: ops) {
String path = operation.path;
if (path.startsWith("/")) {
path = path.substring(1);
}
allPaths.add(path);
}
if (!allPaths.isEmpty()) {
// find common prefix
StringBuilder basePathSB = new StringBuilder();
String firstPath = allPaths.remove(0);
String[] parts = firstPath.split("/");
partsLoop:
for (String part : parts) {
for (String path : allPaths) {
if (!path.startsWith(basePathSB.toString() + part)) {
break partsLoop;
}
}
basePathSB.append(part).append("/");
}
String basePath = basePathSB.toString();
if (basePath.endsWith("/")) {
basePath = basePath.substring(0, basePath.length() - 1);
}
if (basePath.length() > 0) {
// update operations
for (CodegenOperation operation: ops) {
operation.path = operation.path.substring(basePath.length() + (operation.path.startsWith("/") ? 1 : 0));
operation.baseName = basePath;
operation.subresourceOperation = !operation.path.isEmpty();
}
// save base path in objects
objs.put("apiBasePath", basePath);
}
}
}
}
return objs;
}
@Override
public void addOperationToGroup(String tag, String resourcePath, Operation operation, CodegenOperation co, Map> operations) {
if (useTags) {
// only add operations to group; base path extraction is done in postProcessOperations
List opList = operations.get(tag);
if (opList == null) {
opList = new ArrayList();
operations.put(tag, opList);
}
opList.add(co);
} else {
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;
}
}
public void setUseTags(boolean useTags) {
this.useTags = useTags;
}
}
