@Override
  public void preprocessSwagger(Swagger swagger) {
    if (swagger != null && swagger.getPaths() != null) {
      for (String pathname : swagger.getPaths().keySet()) {
        Path path = swagger.getPath(pathname);
        if (path.getOperations() != null) {
          for (Operation operation : path.getOperations()) {
            boolean hasFormParameters = false;
            for (Parameter parameter : operation.getParameters()) {
              if (parameter instanceof FormParameter) {
                hasFormParameters = true;
              }
            }

            String defaultContentType =
                hasFormParameters ? "application/x-www-form-urlencoded" : "application/json";
            String contentType =
                operation.getConsumes() == null || operation.getConsumes().isEmpty()
                    ? defaultContentType
                    : operation.getConsumes().get(0);
            String accepts = getAccept(operation);
            operation.setVendorExtension("x-contentType", contentType);
            operation.setVendorExtension("x-accepts", accepts);
          }
        }
      }
    }
  }
  @Test
  public void resolveInlineBodyParameter() throws Exception {
    Swagger swagger = new Swagger();

    swagger.path(
        "/hello",
        new Path()
            .get(
                new Operation()
                    .parameter(
                        new BodyParameter()
                            .name("body")
                            .schema(
                                new ModelImpl()
                                    .property(
                                        "address",
                                        new ObjectProperty()
                                            .property("street", new StringProperty()))
                                    .property("name", new StringProperty())))));

    new InlineModelResolver().flatten(swagger);

    Operation operation = swagger.getPaths().get("/hello").getGet();
    BodyParameter bp = (BodyParameter) operation.getParameters().get(0);
    assertTrue(bp.getSchema() instanceof RefModel);

    Model body = swagger.getDefinitions().get("body");
    assertTrue(body instanceof ModelImpl);

    ModelImpl impl = (ModelImpl) body;
    assertNotNull(impl.getProperties().get("address"));
  }
  @Test
  public void testArrayResponse() {
    Swagger swagger = new Swagger();

    ArrayProperty schema = new ArrayProperty();
    schema.setItems(new ObjectProperty().property("name", new StringProperty()));

    swagger.path(
        "/foo/baz",
        new Path()
            .get(
                new Operation()
                    .response(
                        200,
                        new Response()
                            .vendorExtension("x-foo", "bar")
                            .description("it works!")
                            .schema(schema))));
    new InlineModelResolver().flatten(swagger);

    Response response = swagger.getPaths().get("/foo/baz").getGet().getResponses().get("200");
    assertTrue(response.getSchema() instanceof ArrayProperty);

    ArrayProperty am = (ArrayProperty) response.getSchema();
    Property items = am.getItems();
    assertTrue(items instanceof ObjectProperty);
    ObjectProperty op = (ObjectProperty) items;
    Property name = op.getProperties().get("name");
    assertTrue(name instanceof StringProperty);
  }
  @Test
  public void testInlineMapResponse() throws Exception {
    Swagger swagger = new Swagger();

    MapProperty schema = new MapProperty();
    schema.setAdditionalProperties(new StringProperty());

    swagger.path(
        "/foo/baz",
        new Path()
            .get(
                new Operation()
                    .response(
                        200,
                        new Response()
                            .vendorExtension("x-foo", "bar")
                            .description("it works!")
                            .schema(schema))));
    new InlineModelResolver().flatten(swagger);
    Json.prettyPrint(swagger);

    Response response = swagger.getPaths().get("/foo/baz").getGet().getResponses().get("200");

    Property property = response.getSchema();
    assertTrue(property instanceof MapProperty);
    assertTrue(swagger.getDefinitions().size() == 0);
  }
  @Test
  public void testGenerateUniqueOperationIds() {
    final File output = folder.getRoot();

    final Swagger swagger =
        new SwaggerParser().read("src/test/resources/2_0/duplicateOperationIds.yaml");
    CodegenConfig codegenConfig = new JavaClientCodegen();
    codegenConfig.setOutputDir(output.getAbsolutePath());

    ClientOptInput clientOptInput =
        new ClientOptInput().opts(new ClientOpts()).swagger(swagger).config(codegenConfig);

    DefaultGenerator generator = new DefaultGenerator();
    generator.opts(clientOptInput);

    Map<String, List<CodegenOperation>> paths = generator.processPaths(swagger.getPaths());
    Set<String> opIds = new HashSet<String>();
    for (String path : paths.keySet()) {
      List<CodegenOperation> ops = paths.get(path);
      for (CodegenOperation op : ops) {
        assertFalse(opIds.contains(op.operationId));
        opIds.add(op.operationId);
      }
    }
  }
  @Test(description = "returns NSData when response format is binary")
  public void binaryDataTest() {
    final Swagger model = new SwaggerParser().read("src/test/resources/2_0/binaryDataTest.json");
    final DefaultCodegen codegen = new SwiftCodegen();
    final String path = "/tests/binaryResponse";
    final Operation p = model.getPaths().get(path).getPost();
    final CodegenOperation op = codegen.fromOperation(path, "post", p, model.getDefinitions());

    Assert.assertEquals(op.returnType, "NSData");
    Assert.assertEquals(op.bodyParam.dataType, "NSData");
    Assert.assertTrue(op.bodyParam.isBinary);
    Assert.assertTrue(op.responses.get(0).isBinary);
  }
  @Test
  public void testSecurityWithoutGlobal() throws Exception {
    final Swagger swagger = new SwaggerParser().read("src/test/resources/2_0/petstore.json");
    CodegenConfig codegenConfig = new JavaClientCodegen();

    ClientOptInput clientOptInput =
        new ClientOptInput().opts(new ClientOpts()).swagger(swagger).config(codegenConfig);

    DefaultGenerator gen = new DefaultGenerator();
    gen.opts(clientOptInput);
    Map<String, List<CodegenOperation>> paths = gen.processPaths(swagger.getPaths());

    CodegenSecurity cs, apiKey, petstoreAuth;

    // security of "getPetById": api_key
    CodegenOperation getPetById = findCodegenOperationByOperationId(paths, "getPetById");
    assertEquals(getPetById.authMethods.size(), 2);
    cs = getPetById.authMethods.get(0);
    if ("api_key".equals(cs.name)) {
      apiKey = cs;
      petstoreAuth = getPetById.authMethods.get(1);
    } else {
      petstoreAuth = cs;
      apiKey = getPetById.authMethods.get(1);
    }
    assertEquals(petstoreAuth.name, "petstore_auth");
    assertEquals(petstoreAuth.type, "oauth2");
    assertEquals(apiKey.name, "api_key");
    assertEquals(apiKey.type, "apiKey");

    // security of "updatePetWithForm": petstore_auth
    CodegenOperation updatePetWithForm =
        findCodegenOperationByOperationId(paths, "updatePetWithForm");
    assertEquals(updatePetWithForm.authMethods.size(), 1);
    petstoreAuth = updatePetWithForm.authMethods.iterator().next();
    assertEquals(petstoreAuth.name, "petstore_auth");
    assertEquals(petstoreAuth.type, "oauth2");

    // security of "loginUser": null (no global security either)
    CodegenOperation loginUser = findCodegenOperationByOperationId(paths, "loginUser");
    assertNull(loginUser.authMethods);
  }
  @Test
  public void resolveInlineArrayBodyParameter() throws Exception {
    Swagger swagger = new Swagger();

    swagger.path(
        "/hello",
        new Path()
            .get(
                new Operation()
                    .parameter(
                        new BodyParameter()
                            .name("body")
                            .schema(
                                new ArrayModel()
                                    .items(
                                        new ObjectProperty()
                                            .property(
                                                "address",
                                                new ObjectProperty()
                                                    .property("street", new StringProperty())))))));

    new InlineModelResolver().flatten(swagger);

    Parameter param = swagger.getPaths().get("/hello").getGet().getParameters().get(0);
    assertTrue(param instanceof BodyParameter);

    BodyParameter bp = (BodyParameter) param;
    Model schema = bp.getSchema();

    assertTrue(schema instanceof ArrayModel);

    ArrayModel am = (ArrayModel) schema;
    Property inner = am.getItems();

    ObjectProperty op = (ObjectProperty) inner;
    Property name = op.getProperties().get("address");
    assertTrue(name instanceof RefProperty);

    Model model = swagger.getDefinitions().get("hello_address");
    assertNotNull(model);
  }
  @Test
  public void testInlineResponseModel() throws Exception {
    Swagger swagger = new Swagger();

    swagger
        .path(
            "/foo/bar",
            new Path()
                .get(
                    new Operation()
                        .response(
                            200,
                            new Response()
                                .description("it works!")
                                .schema(
                                    new ObjectProperty().property("name", new StringProperty())))))
        .path(
            "/foo/baz",
            new Path()
                .get(
                    new Operation()
                        .response(
                            200,
                            new Response()
                                .vendorExtension("x-foo", "bar")
                                .description("it works!")
                                .schema(
                                    new ObjectProperty().property("name", new StringProperty())))));
    new InlineModelResolver().flatten(swagger);

    Map<String, Response> responses = swagger.getPaths().get("/foo/bar").getGet().getResponses();

    Response response = responses.get("200");
    assertNotNull(response);
    assertTrue(response.getSchema() instanceof RefProperty);

    ModelImpl model = (ModelImpl) swagger.getDefinitions().get("inline_response_200");
    assertTrue(model.getProperties().size() == 1);
    assertNotNull(model.getProperties().get("name"));
  }
  @Test
  public void resolveInlineArrayResponse() throws Exception {
    Swagger swagger = new Swagger();

    swagger.path(
        "/foo/baz",
        new Path()
            .get(
                new Operation()
                    .response(
                        200,
                        new Response()
                            .vendorExtension("x-foo", "bar")
                            .description("it works!")
                            .schema(
                                new ArrayProperty()
                                    .items(
                                        new ObjectProperty()
                                            .property("name", new StringProperty()))))));

    new InlineModelResolver().flatten(swagger);

    Response response = swagger.getPaths().get("/foo/baz").getGet().getResponses().get("200");
    assertNotNull(response);

    assertNotNull(response.getSchema());
    Property responseProperty = response.getSchema();

    // no need to flatten more
    assertTrue(responseProperty instanceof ArrayProperty);

    ArrayProperty ap = (ArrayProperty) responseProperty;
    Property p = ap.getItems();

    assertNotNull(p);

    ObjectProperty innerModel = (ObjectProperty) p;
    assertTrue(innerModel.getProperties().size() == 1);
    assertNotNull(innerModel.getProperties().get("name"));
  }
  @Test
  public void notResolveNonModelBodyParameter() throws Exception {
    Swagger swagger = new Swagger();

    swagger.path(
        "/hello",
        new Path()
            .get(
                new Operation()
                    .parameter(
                        new BodyParameter()
                            .name("body")
                            .schema(new ModelImpl().type("string").format("binary")))));

    new InlineModelResolver().flatten(swagger);

    Operation operation = swagger.getPaths().get("/hello").getGet();
    BodyParameter bp = (BodyParameter) operation.getParameters().get(0);
    assertTrue(bp.getSchema() instanceof ModelImpl);
    ModelImpl m = (ModelImpl) bp.getSchema();
    assertEquals("string", m.getType());
    assertEquals("binary", m.getFormat());
  }
  @Test
  public void testInlineMapResponseWithObjectProperty() throws Exception {
    Swagger swagger = new Swagger();

    MapProperty schema = new MapProperty();
    schema.setAdditionalProperties(new ObjectProperty().property("name", new StringProperty()));

    swagger.path(
        "/foo/baz",
        new Path()
            .get(
                new Operation()
                    .response(
                        200,
                        new Response()
                            .vendorExtension("x-foo", "bar")
                            .description("it works!")
                            .schema(schema))));
    new InlineModelResolver().flatten(swagger);

    Response response = swagger.getPaths().get("/foo/baz").getGet().getResponses().get("200");

    Property property = response.getSchema();
    assertTrue(property instanceof RefProperty);

    Model inline = swagger.getDefinitions().get("inline_response_200");
    assertTrue(inline instanceof ModelImpl);
    ModelImpl impl = (ModelImpl) inline;

    Property innerProperty = impl.getAdditionalProperties();
    assertTrue(innerProperty instanceof ObjectProperty);

    ObjectProperty obj = (ObjectProperty) innerProperty;
    Property name = obj.getProperties().get("name");
    assertTrue(name instanceof StringProperty);
  }
Exemple #13
0
  public Swagger filter(
      Swagger swagger,
      SwaggerSpecFilter filter,
      Map<String, List<String>> params,
      Map<String, String> cookies,
      Map<String, List<String>> headers) {
    Swagger clone = new Swagger();
    clone
        .info(swagger.getInfo())
        .tags(swagger.getTags() == null ? null : new ArrayList<Tag>(swagger.getTags()))
        .host(swagger.getHost())
        .basePath(swagger.getBasePath())
        .schemes(swagger.getSchemes())
        .consumes(swagger.getConsumes())
        .produces(swagger.getProduces())
        .externalDocs(swagger.getExternalDocs())
        .vendorExtensions(swagger.getVendorExtensions());

    final Set<String> filteredTags = new HashSet<String>();
    final Set<String> allowedTags = new HashSet<String>();
    for (String resourcePath : swagger.getPaths().keySet()) {
      Path path = swagger.getPaths().get(resourcePath);
      Map<String, Operation> ops = new HashMap<String, Operation>();
      ops.put("get", path.getGet());
      ops.put("put", path.getPut());
      ops.put("post", path.getPost());
      ops.put("delete", path.getDelete());
      ops.put("patch", path.getPatch());
      ops.put("options", path.getOptions());

      Path clonedPath = new Path();
      for (String key : ops.keySet()) {
        Operation op = ops.get(key);
        if (op != null) {
          ApiDescription desc = new ApiDescription(resourcePath, key);
          final Set<String> tags;
          if (filter.isOperationAllowed(op, desc, params, cookies, headers)) {
            clonedPath.set(key, filterOperation(filter, op, desc, params, cookies, headers));
            tags = allowedTags;
          } else {
            tags = filteredTags;
          }
          if (op.getTags() != null) {
            tags.addAll(op.getTags());
          }
        }
      }
      if (!clonedPath.isEmpty()) {
        clone.path(resourcePath, clonedPath);
      }
    }
    final List<Tag> tags = clone.getTags();
    filteredTags.removeAll(allowedTags);
    if (tags != null && !filteredTags.isEmpty()) {
      for (Iterator<Tag> it = tags.iterator(); it.hasNext(); ) {
        if (filteredTags.contains(it.next().getName())) {
          it.remove();
        }
      }
      if (clone.getTags().isEmpty()) {
        clone.setTags(null);
      }
    }

    Map<String, Model> definitions =
        filterDefinitions(filter, swagger.getDefinitions(), params, cookies, headers);
    clone.setSecurityDefinitions(swagger.getSecurityDefinitions());
    clone.setDefinitions(definitions);

    // isRemovingUnreferencedDefinitions is not defined in SwaggerSpecFilter to avoid breaking
    // compatibility with
    // existing client filters directly implementing SwaggerSpecFilter.
    if (filter instanceof AbstractSpecFilter) {
      if (((AbstractSpecFilter) filter).isRemovingUnreferencedDefinitions()) {
        clone = removeBrokenReferenceDefinitions(clone);
      }
    }

    return clone;
  }
Exemple #14
0
  private Swagger removeBrokenReferenceDefinitions(Swagger swagger) {

    if (swagger.getDefinitions() == null || swagger.getDefinitions().isEmpty()) return swagger;

    Set<String> referencedDefinitions = new TreeSet<String>();

    if (swagger.getResponses() != null) {
      for (Response response : swagger.getResponses().values()) {
        String propertyRef = getPropertyRef(response.getSchema());
        if (propertyRef != null) {
          referencedDefinitions.add(propertyRef);
        }
      }
    }
    if (swagger.getParameters() != null) {
      for (Parameter p : swagger.getParameters().values()) {
        if (p instanceof BodyParameter) {
          BodyParameter bp = (BodyParameter) p;
          Set<String> modelRef = getModelRef(bp.getSchema());
          if (modelRef != null) {
            referencedDefinitions.addAll(modelRef);
          }
        }
      }
    }
    if (swagger.getPaths() != null) {
      for (Path path : swagger.getPaths().values()) {
        if (path.getParameters() != null) {
          for (Parameter p : path.getParameters()) {
            if (p instanceof BodyParameter) {
              BodyParameter bp = (BodyParameter) p;
              Set<String> modelRef = getModelRef(bp.getSchema());
              if (modelRef != null) {
                referencedDefinitions.addAll(modelRef);
              }
            }
          }
        }
        if (path.getOperations() != null) {
          for (Operation op : path.getOperations()) {
            if (op.getResponses() != null) {
              for (Response response : op.getResponses().values()) {
                String propertyRef = getPropertyRef(response.getSchema());
                if (propertyRef != null) {
                  referencedDefinitions.add(propertyRef);
                }
              }
            }
            if (op.getParameters() != null) {
              for (Parameter p : op.getParameters()) {
                if (p instanceof BodyParameter) {
                  BodyParameter bp = (BodyParameter) p;
                  Set<String> modelRef = getModelRef(bp.getSchema());
                  if (modelRef != null) {
                    referencedDefinitions.addAll(modelRef);
                  }
                }
              }
            }
          }
        }
      }
    }

    if (swagger.getDefinitions() != null) {
      Set<String> nestedReferencedDefinitions = new TreeSet<String>();
      for (String ref : referencedDefinitions) {
        locateReferencedDefinitions(ref, nestedReferencedDefinitions, swagger);
      }
      referencedDefinitions.addAll(nestedReferencedDefinitions);
      swagger.getDefinitions().keySet().retainAll(referencedDefinitions);
    }

    return swagger;
  }
  @Override
  public List<File> generate() {
    Boolean generateApis = null;
    Boolean generateModels = null;
    Boolean generateSupportingFiles = null;

    Set<String> modelsToGenerate = null;
    Set<String> apisToGenerate = null;
    Set<String> supportingFilesToGenerate = null;

    // allows generating only models by specifying a CSV of models to generate, or empty for all
    if (System.getProperty("models") != null) {
      String modelNames = System.getProperty("models");
      generateModels = true;
      if (!modelNames.isEmpty()) {
        modelsToGenerate = new HashSet<String>(Arrays.asList(modelNames.split(",")));
      }
    }
    if (System.getProperty("apis") != null) {
      String apiNames = System.getProperty("apis");
      generateApis = true;
      if (!apiNames.isEmpty()) {
        apisToGenerate = new HashSet<String>(Arrays.asList(apiNames.split(",")));
      }
    }
    if (System.getProperty("supportingFiles") != null) {
      String supportingFiles = System.getProperty("supportingFiles");
      generateSupportingFiles = true;
      if (!supportingFiles.isEmpty()) {
        supportingFilesToGenerate = new HashSet<String>(Arrays.asList(supportingFiles.split(",")));
      }
    }

    if (generateApis == null && generateModels == null && generateSupportingFiles == null) {
      // no specifics are set, generate everything
      generateApis = true;
      generateModels = true;
      generateSupportingFiles = true;
    } else {
      if (generateApis == null) {
        generateApis = false;
      }
      if (generateModels == null) {
        generateModels = false;
      }
      if (generateSupportingFiles == null) {
        generateSupportingFiles = false;
      }
    }

    if (swagger == null || config == null) {
      throw new RuntimeException("missing swagger input or config!");
    }
    if (System.getProperty("debugSwagger") != null) {
      Json.prettyPrint(swagger);
    }
    List<File> files = new ArrayList<File>();
    config.processOpts();
    config.preprocessSwagger(swagger);

    config.additionalProperties().put("generatedDate", DateTime.now().toString());
    config.additionalProperties().put("generatorClass", config.getClass().toString());

    if (swagger.getInfo() != null) {
      Info info = swagger.getInfo();
      if (info.getTitle() != null) {
        config.additionalProperties().put("appName", info.getTitle());
      }
      if (info.getVersion() != null) {
        config.additionalProperties().put("appVersion", info.getVersion());
      }
      if (info.getDescription() != null) {
        config
            .additionalProperties()
            .put("appDescription", config.escapeText(info.getDescription()));
      }
      if (info.getContact() != null) {
        Contact contact = info.getContact();
        config.additionalProperties().put("infoUrl", contact.getUrl());
        if (contact.getEmail() != null) {
          config.additionalProperties().put("infoEmail", contact.getEmail());
        }
      }
      if (info.getLicense() != null) {
        License license = info.getLicense();
        if (license.getName() != null) {
          config.additionalProperties().put("licenseInfo", license.getName());
        }
        if (license.getUrl() != null) {
          config.additionalProperties().put("licenseUrl", license.getUrl());
        }
      }
      if (info.getVersion() != null) {
        config.additionalProperties().put("version", info.getVersion());
      }
    }

    StringBuilder hostBuilder = new StringBuilder();
    String scheme;
    if (swagger.getSchemes() != null && swagger.getSchemes().size() > 0) {
      scheme = swagger.getSchemes().get(0).toValue();
    } else {
      scheme = "https";
    }
    hostBuilder.append(scheme);
    hostBuilder.append("://");
    if (swagger.getHost() != null) {
      hostBuilder.append(swagger.getHost());
    } else {
      hostBuilder.append("localhost");
    }
    if (swagger.getBasePath() != null) {
      hostBuilder.append(swagger.getBasePath());
    }
    String contextPath = swagger.getBasePath() == null ? "" : swagger.getBasePath();
    String basePath = hostBuilder.toString();
    String basePathWithoutHost = swagger.getBasePath();

    // resolve inline models
    InlineModelResolver inlineModelResolver = new InlineModelResolver();
    inlineModelResolver.flatten(swagger);

    List<Object> allOperations = new ArrayList<Object>();
    List<Object> allModels = new ArrayList<Object>();

    // models
    Map<String, Model> definitions = swagger.getDefinitions();
    if (definitions != null) {
      List<String> sortedModelKeys = sortModelsByInheritance(definitions);

      if (generateModels) {
        if (modelsToGenerate != null && modelsToGenerate.size() > 0) {
          List<String> updatedKeys = new ArrayList<String>();
          for (String m : sortedModelKeys) {
            if (modelsToGenerate.contains(m)) {
              updatedKeys.add(m);
            }
          }
          sortedModelKeys = updatedKeys;
        }

        for (String name : sortedModelKeys) {
          try {
            // don't generate models that have an import mapping
            if (config.importMapping().containsKey(name)) {
              continue;
            }

            Model model = definitions.get(name);
            Map<String, Model> modelMap = new HashMap<String, Model>();
            modelMap.put(name, model);
            Map<String, Object> models = processModels(config, modelMap, definitions);
            models.putAll(config.additionalProperties());

            allModels.add(((List<Object>) models.get("models")).get(0));

            for (String templateName : config.modelTemplateFiles().keySet()) {
              String suffix = config.modelTemplateFiles().get(templateName);
              String filename =
                  config.modelFileFolder() + File.separator + config.toModelFilename(name) + suffix;
              if (!config.shouldOverwrite(filename)) {
                continue;
              }
              String templateFile = getFullTemplateFile(config, templateName);
              String template = readTemplate(templateFile);
              Template tmpl =
                  Mustache.compiler()
                      .withLoader(
                          new Mustache.TemplateLoader() {
                            @Override
                            public Reader getTemplate(String name) {
                              return getTemplateReader(
                                  getFullTemplateFile(config, name + ".mustache"));
                            }
                          })
                      .defaultValue("")
                      .compile(template);
              writeToFile(filename, tmpl.execute(models));
              files.add(new File(filename));
            }
          } catch (Exception e) {
            throw new RuntimeException("Could not generate model '" + name + "'", e);
          }
        }
      }
    }
    if (System.getProperty("debugModels") != null) {
      System.out.println("############ Model info ############");
      Json.prettyPrint(allModels);
    }

    // apis
    Map<String, List<CodegenOperation>> paths = processPaths(swagger.getPaths());
    if (generateApis) {
      if (apisToGenerate != null && apisToGenerate.size() > 0) {
        Map<String, List<CodegenOperation>> updatedPaths =
            new TreeMap<String, List<CodegenOperation>>();
        for (String m : paths.keySet()) {
          if (apisToGenerate.contains(m)) {
            updatedPaths.put(m, paths.get(m));
          }
        }
        paths = updatedPaths;
      }
      for (String tag : paths.keySet()) {
        try {
          List<CodegenOperation> ops = paths.get(tag);
          Map<String, Object> operation = processOperations(config, tag, ops);

          operation.put("basePath", basePath);
          operation.put("basePathWithoutHost", basePathWithoutHost);
          operation.put("contextPath", contextPath);
          operation.put("baseName", tag);
          operation.put("modelPackage", config.modelPackage());
          operation.putAll(config.additionalProperties());
          operation.put("classname", config.toApiName(tag));
          operation.put("classVarName", config.toApiVarName(tag));
          operation.put("importPath", config.toApiImport(tag));

          // Pass sortParamsByRequiredFlag through to the Mustache template...
          boolean sortParamsByRequiredFlag = true;
          if (this.config
              .additionalProperties()
              .containsKey(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG)) {
            sortParamsByRequiredFlag =
                Boolean.valueOf(
                    (String)
                        this.config
                            .additionalProperties()
                            .get(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG)
                            .toString());
          }
          operation.put("sortParamsByRequiredFlag", sortParamsByRequiredFlag);

          processMimeTypes(swagger.getConsumes(), operation, "consumes");
          processMimeTypes(swagger.getProduces(), operation, "produces");

          allOperations.add(new HashMap<String, Object>(operation));
          for (int i = 0; i < allOperations.size(); i++) {
            Map<String, Object> oo = (Map<String, Object>) allOperations.get(i);
            if (i < (allOperations.size() - 1)) {
              oo.put("hasMore", "true");
            }
          }

          for (String templateName : config.apiTemplateFiles().keySet()) {
            String filename = config.apiFilename(templateName, tag);
            if (!config.shouldOverwrite(filename) && new File(filename).exists()) {
              continue;
            }

            String templateFile = getFullTemplateFile(config, templateName);
            String template = readTemplate(templateFile);
            Template tmpl =
                Mustache.compiler()
                    .withLoader(
                        new Mustache.TemplateLoader() {
                          @Override
                          public Reader getTemplate(String name) {
                            return getTemplateReader(
                                getFullTemplateFile(config, name + ".mustache"));
                          }
                        })
                    .defaultValue("")
                    .compile(template);

            writeToFile(filename, tmpl.execute(operation));
            files.add(new File(filename));
          }
        } catch (Exception e) {
          throw new RuntimeException("Could not generate api file for '" + tag + "'", e);
        }
      }
    }
    if (System.getProperty("debugOperations") != null) {
      System.out.println("############ Operation info ############");
      Json.prettyPrint(allOperations);
    }

    // supporting files
    Map<String, Object> bundle = new HashMap<String, Object>();
    bundle.putAll(config.additionalProperties());
    bundle.put("apiPackage", config.apiPackage());

    Map<String, Object> apis = new HashMap<String, Object>();
    apis.put("apis", allOperations);
    if (swagger.getHost() != null) {
      bundle.put("host", swagger.getHost());
    }
    bundle.put("basePath", basePath);
    bundle.put("scheme", scheme);
    bundle.put("contextPath", contextPath);
    bundle.put("apiInfo", apis);
    bundle.put("models", allModels);
    bundle.put("apiFolder", config.apiPackage().replace('.', File.separatorChar));
    bundle.put("modelPackage", config.modelPackage());
    List<CodegenSecurity> authMethods = config.fromSecurity(swagger.getSecurityDefinitions());
    if (authMethods != null && !authMethods.isEmpty()) {
      bundle.put("authMethods", authMethods);
      bundle.put("hasAuthMethods", true);
    }
    if (swagger.getExternalDocs() != null) {
      bundle.put("externalDocs", swagger.getExternalDocs());
    }
    for (int i = 0; i < allModels.size() - 1; i++) {
      HashMap<String, CodegenModel> cm = (HashMap<String, CodegenModel>) allModels.get(i);
      CodegenModel m = cm.get("model");
      m.hasMoreModels = true;
    }

    config.postProcessSupportingFileData(bundle);

    if (System.getProperty("debugSupportingFiles") != null) {
      System.out.println("############ Supporting file info ############");
      Json.prettyPrint(bundle);
    }

    if (generateSupportingFiles) {
      for (SupportingFile support : config.supportingFiles()) {
        try {
          String outputFolder = config.outputFolder();
          if (isNotEmpty(support.folder)) {
            outputFolder += File.separator + support.folder;
          }
          File of = new File(outputFolder);
          if (!of.isDirectory()) {
            of.mkdirs();
          }
          String outputFilename = outputFolder + File.separator + support.destinationFilename;
          if (!config.shouldOverwrite(outputFilename)) {
            continue;
          }

          String templateFile = getFullTemplateFile(config, support.templateFile);

          boolean shouldGenerate = true;
          if (supportingFilesToGenerate != null && supportingFilesToGenerate.size() > 0) {
            if (supportingFilesToGenerate.contains(support.destinationFilename)) {
              shouldGenerate = true;
            } else {
              shouldGenerate = false;
            }
          }
          if (shouldGenerate) {
            if (templateFile.endsWith("mustache")) {
              String template = readTemplate(templateFile);
              Template tmpl =
                  Mustache.compiler()
                      .withLoader(
                          new Mustache.TemplateLoader() {
                            @Override
                            public Reader getTemplate(String name) {
                              return getTemplateReader(
                                  getFullTemplateFile(config, name + ".mustache"));
                            }
                          })
                      .defaultValue("")
                      .compile(template);

              writeToFile(outputFilename, tmpl.execute(bundle));
              files.add(new File(outputFilename));
            } else {
              InputStream in = null;

              try {
                in = new FileInputStream(templateFile);
              } catch (Exception e) {
                // continue
              }
              if (in == null) {
                in =
                    this.getClass()
                        .getClassLoader()
                        .getResourceAsStream(getCPResourcePath(templateFile));
              }
              File outputFile = new File(outputFilename);
              OutputStream out = new FileOutputStream(outputFile, false);
              if (in != null && out != null) {
                System.out.println("writing file " + outputFile);
                IOUtils.copy(in, out);
              } else {
                if (in == null) {
                  System.out.println("can't open " + templateFile + " for input");
                }
                if (out == null) {
                  System.out.println("can't open " + outputFile + " for output");
                }
              }

              files.add(outputFile);
            }
          }
        } catch (Exception e) {
          throw new RuntimeException("Could not generate supporting file '" + support + "'", e);
        }
      }
    }

    config.processSwagger(swagger);

    return files;
  }