refs #1319 - fix validation

Author: frantuma

src/main/java/io/swagger/codegen/v3/generators/java/SpringCodegen.java

@@ -293,6 +293,7 @@ public void processOpts() {
 
         if (additionalProperties.containsKey(USE_BEANVALIDATION)) {
             this.setUseBeanValidation(convertPropertyToBoolean(USE_BEANVALIDATION));
+            writePropertyBack(USE_BEANVALIDATION, this.useBeanValidation);
         }
 
         if (additionalProperties.containsKey(USE_OPTIONAL)) {
@@ -320,10 +321,10 @@ public void processOpts() {
         if (useBeanValidation) {
             writePropertyBack(USE_BEANVALIDATION, useBeanValidation);
             if (VALIDATION_MODE_LOOSE.equals(validationMode) || VALIDATION_MODE_STRICT.equals(validationMode)) {
-                supportingFiles.add(new SupportingFile("NotUndefined.mustache",
-                    (sourceFolder + File.separator + configPackage).replace(".", java.io.File.separator), "NotUndefined.java"));
-                supportingFiles.add(new SupportingFile("NotUndefinedValidator.mustache",
-                    (sourceFolder + File.separator + configPackage).replace(".", java.io.File.separator), "NotUndefinedValidator.java"));
+                writeOptional(outputFolder, new SupportingFile("NotUndefined.mustache",
+                    (sourceFolder + File.separator + configPackage).replace(".", java.io.File.separator), "NotUndefined.java"), true);
+                writeOptional(outputFolder, new SupportingFile("NotUndefinedValidator.mustache",
+                    (sourceFolder + File.separator + configPackage).replace(".", java.io.File.separator), "NotUndefinedValidator.java"), true);
             }
         }
 

src/main/resources/handlebars/JavaSpring/model.mustache

@@ -11,11 +11,11 @@ import java.io.Serializable;
 import org.springframework.validation.annotation.Validated;
 {{#isLooseValidation}}
 import org.openapitools.jackson.nullable.JsonNullable;
-import io.swagger.configuration.NotUndefined;
+import {{configPackage}}.NotUndefined;
 {{/isLooseValidation}}
 {{#isStrictValidation}}
 import org.openapitools.jackson.nullable.JsonNullable;
-import io.swagger.configuration.NotUndefined;
+import {{configPackage}}.NotUndefined;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonSetter;
 import com.fasterxml.jackson.annotation.Nulls;

src/test/java/io/swagger/codegen/v3/generators/java/SpringGeneratorTest.java

@@ -20,6 +20,9 @@ public class SpringGeneratorTest extends AbstractCodegenTest {
     @Test
     public void testGenerator() throws Exception {
 
+        System.setProperty("supportingFiles", "false");
+        System.setProperty("generateModels", "true");
+        System.setProperty("generateApis", "true");
         String path = getOutFolder(false).getAbsolutePath();
         GenerationRequest request = new GenerationRequest();
         request
@@ -32,13 +35,20 @@ public void testGenerator() throws Exception {
                 false)) // OpenAPI 3.x - use true for Swagger/OpenAPI 2.x definitions
             .options(
                 new Options()
-                    // .library("spring-boot3")
-                    // .addAdditionalProperty("jakarta", true)
+                    .addAdditionalProperty("dateLibrary", "legacy")
+                    .addAdditionalProperty("serializableModel", false)
+                    .addAdditionalProperty("useTags", true)
+                    .addAdditionalProperty("generateForOpenFeign", true)
+                    .addAdditionalProperty("configPackage", "test.configPackage")
+                    // .addAdditionalProperty("generateSupportingFiles", false)
+                    .library("spring-cloud")
+                    .addAdditionalProperty("jakarta", true)
                     // .addAdditionalProperty("validationMode", "loose")
                     // .addAdditionalProperty("validationMode", "legacy")
                     // .addAdditionalProperty("validationMode", "legacyNullable")
-                    // .addAdditionalProperty("useBeanValidation", false)
+                    .addAdditionalProperty("useBeanValidation", false)
                     // .addAdditionalProperty("useNullableForNotNull", false)
+                    .modelPackage("test.foo")
                     .outputDir(path)
             );