add lombok model support on spring

.github/workflows/samples-spring-jdk17.yaml

@@ -7,6 +7,8 @@ on:
   pull_request:
     paths:
       - samples/openapi3/client/petstore/spring-cloud-3-with-optional
+      - samples/server/petstore/springboot-lombok-data
+      - samples/server/petstore/springboot-lombok-tostring
 jobs:
   build:
     name: Build Java Spring (JDK17)
@@ -17,6 +19,9 @@ jobs:
         sample:
           # clients
           - samples/openapi3/client/petstore/spring-cloud-3-with-optional
+          # servers
+          - samples/server/petstore/springboot-lombok-data
+          - samples/server/petstore/springboot-lombok-tostring
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4

.github/workflows/samples-spring.yaml

@@ -57,6 +57,7 @@ jobs:
           - samples/server/petstore/springboot-spring-pageable-without-j8
           - samples/server/petstore/springboot-spring-pageable
           - samples/server/petstore/springboot-spring-provide-args
+          - samples/server/petstore/springboot-lombok-data
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4

bin/configs/spring-boot-lombok-data.yaml

@@ -0,0 +1,9 @@
+generatorName: spring
+outputDir: samples/server/petstore/springboot-lombok-data
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore.yaml
+templateDir: modules/openapi-generator/src/main/resources/JavaSpring
+additionalProperties:
+  groupId: org.openapitools.openapi3
+  artifactId: springboot-lombok-data
+  hideGenerationTimestamp: "true"
+  additionalModelTypeAnnotations: "@lombok.Data;@lombok.Builder;@lombok.NoArgsConstructor;@lombok.AllArgsConstructor"

bin/configs/spring-boot-lombok-tostring.yaml

@@ -0,0 +1,11 @@
+generatorName: spring
+outputDir: samples/server/petstore/springboot-lombok-tostring
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore.yaml
+templateDir: modules/openapi-generator/src/main/resources/JavaSpring
+additionalProperties:
+  groupId: org.openapitools.openapi3
+  artifactId: springboot-lombok-tostring
+  hideGenerationTimestamp: "true"
+  performBeanValidation: "true"
+  useSpringBoot3: "true"
+  additionalModelTypeAnnotations: "@lombok.Getter;@lombok.Setter;@lombok.ToString;@lombok.EqualsAndHashCode"

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java

@@ -53,6 +53,7 @@
 import java.time.ZoneId;
 import java.util.*;
 import java.util.concurrent.ConcurrentSkipListSet;
+import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -89,7 +90,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
 
     public static final String CAMEL_CASE_DOLLAR_SIGN = "camelCaseDollarSign";
     public static final String USE_ONE_OF_INTERFACES = "useOneOfInterfaces";
-
+    public static final String LOMBOK = "lombok";
     public static final String DEFAULT_TEST_FOLDER = "${project.build.directory}/generated-test-sources/openapi";
 
     protected String dateLibrary = "java8";
@@ -128,6 +129,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
     protected String parentVersion = "";
     protected boolean parentOverridden = false;
     protected List<String> additionalModelTypeAnnotations = new LinkedList<>();
+    protected Map<String, Boolean> lombokAnnotations = null;
     protected List<String> additionalOneOfTypeAnnotations = new LinkedList<>();
     protected List<String> additionalEnumTypeAnnotations = new LinkedList<>();
     protected boolean openApiNullable = true;
@@ -1677,6 +1679,22 @@ public ModelsMap postProcessModels(ModelsMap objs) {
             }
         }
 
+        // parse lombok additional model type annotations
+        Map<String, Boolean> lombokOptions = new HashMap<>();
+        String regexp = "@lombok.(\\w+\\.)*(?<ClassName>\\w+)(\\(.*?\\))?";
+        Pattern pattern = Pattern.compile(regexp);
+        for (String annotation : additionalModelTypeAnnotations) {
+            Matcher matcher = pattern.matcher(annotation);
+            if  (matcher.find()) {
+                String className = matcher.group("ClassName");
+                lombokOptions.put(className, true);
+            }
+        }
+        if (!lombokOptions.isEmpty()) {
+            lombokAnnotations = lombokOptions;
+            writePropertyBack(LOMBOK, lombokOptions);
+        }
+
         return postProcessModelsEnum(objs);
     }
 

modules/openapi-generator/src/main/resources/JavaSpring/libraries/spring-boot/pom-sb3.mustache

@@ -62,11 +62,19 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                {{#classifier}}
                 <configuration>
+                    {{#classifier}}
                   <classifier>{{{classifier}}}</classifier>
+                    {{/classifier}}
+                    {{#lombok}}
+                  <excludes>
+                    <exclude>
+                      <groupId>org.projectlombok</groupId>
+                      <artifactId>lombok</artifactId>
+                    </exclude>
+                  </excludes>
+                    {{/lombok}}
                 </configuration>
-                {{/classifier}}
             </plugin>
             {{#apiFirst}}
             <plugin>
@@ -217,6 +225,13 @@
             <artifactId>spring-boot-starter-hateoas</artifactId>
         </dependency>
 {{/hateoas}}
+{{#lombok}}
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+{{/lombok}}
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>

modules/openapi-generator/src/main/resources/JavaSpring/libraries/spring-boot/pom.mustache

@@ -55,11 +55,19 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                {{#classifier}}
                 <configuration>
+                {{#classifier}}
                   <classifier>{{{classifier}}}</classifier>
-                </configuration>
                 {{/classifier}}
+                {{#lombok}}
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                {{/lombok}}
+                </configuration>
             </plugin>
             {{#apiFirst}}
             <plugin>
@@ -227,6 +235,13 @@
             <artifactId>spring-boot-starter-hateoas</artifactId>
         </dependency>
 {{/hateoas}}
+{{#lombok}}
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+{{/lombok}}
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>

modules/openapi-generator/src/main/resources/JavaSpring/libraries/spring-cloud/pom-sb3.mustache

@@ -130,6 +130,13 @@
             <artifactId>spring-boot-starter-hateoas</artifactId>
         </dependency>
         {{/hateoas}}
+        {{#lombok}}
+            <dependency>
+                <groupId>org.projectlombok</groupId>
+                <artifactId>lombok</artifactId>
+                <optional>true</optional>
+            </dependency>
+        {{/lombok}}
         {{#useBeanValidation}}
         <dependency>
             <groupId>org.springframework.boot</groupId>

modules/openapi-generator/src/main/resources/JavaSpring/libraries/spring-cloud/pom.mustache

@@ -146,6 +146,13 @@
             <artifactId>spring-boot-starter-hateoas</artifactId>
         </dependency>
         {{/hateoas}}
+        {{#lombok}}
+            <dependency>
+                <groupId>org.projectlombok</groupId>
+                <artifactId>lombok</artifactId>
+                <optional>true</optional>
+            </dependency>
+        {{/lombok}}
         {{#useBeanValidation}}
         <dependency>
             <groupId>org.springframework.boot</groupId>

modules/openapi-generator/src/main/resources/JavaSpring/libraries/spring-http-interface/pom.mustache

@@ -89,6 +89,13 @@
             <version>0.2.6</version>
         </dependency>
         {{/openApiNullable}}
+        {{#lombok}}
+            <dependency>
+                <groupId>org.projectlombok</groupId>
+                <artifactId>lombok</artifactId>
+                <optional>true</optional>
+            </dependency>
+        {{/lombok}}
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

modules/openapi-generator/src/main/resources/JavaSpring/pojo.mustache

@@ -51,6 +51,14 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
   {{#gson}}
   @SerializedName("{{baseName}}")
   {{/gson}}
+  {{#lombok}}
+  {{#required}}
+  @lombok.NonNull
+  {{/required}}
+  {{#isPassword}}
+  @lombok.ToString.Exclude
+  {{/isPassword}}
+  {{/lombok}}
   {{#vendorExtensions.x-field-extra-annotation}}
   {{{vendorExtensions.x-field-extra-annotation}}}
   {{/vendorExtensions.x-field-extra-annotation}}
@@ -81,13 +89,17 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
   {{/openApiNullable}}
   {{/isContainer}}
   {{/vars}}
+  {{^lombok.Data}}
+  {{^lombok.RequiredArgsConstructor}}
   {{#generatedConstructorWithRequiredArgs}}
   {{#hasRequired}}
 
+  {{^lombok.NoArgsConstructor}}
   public {{classname}}() {
     super();
   }
 
+  {{/lombok.NoArgsConstructor}}
   /**
    * Constructor with only required parameters
    */
@@ -108,7 +120,10 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
   }
   {{/hasRequired}}
   {{/generatedConstructorWithRequiredArgs}}
+  {{/lombok.RequiredArgsConstructor}}
+  {{/lombok.Data}}
   {{#vars}}
+  {{^lombok.Data}}
 
   {{! begin feature: fluent setter methods }}
   public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
@@ -158,6 +173,7 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
   {{/isMap}}
   {{! end feature: fluent setter methods }}
   {{! begin feature: getter and setter }}
+  {{^lombok.Getter}}
 
   /**
   {{#description}}
@@ -204,7 +220,9 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
   public {{>nullableDataTypeBeanValidation}} {{getter}}() {
     return {{name}};
   }
+  {{/lombok.Getter}}
 
+  {{^lombok.Setter}}
   {{#deprecated}}
   /**
    * @deprecated
@@ -219,11 +237,15 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
   public void {{setter}}({{>nullableDataType}} {{name}}) {
     this.{{name}} = {{name}};
   }
+  {{/lombok.Setter}}
+  {{/lombok.Data}}
   {{! end feature: getter and setter }}
   {{/vars}}
 {{>additionalProperties}}
+  {{^lombok.Data}}
   {{#parentVars}}
 
+  {{^lombok.Setter}}
   {{! begin feature: fluent setter methods for inherited properties }}
   public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
     super.{{name}}({{name}});
@@ -243,8 +265,10 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
     return this;
   }
   {{/isMap}}
+  {{/lombok.Setter}}
   {{! end feature: fluent setter methods for inherited properties }}
   {{/parentVars}}
+  {{^lombok.EqualsAndHashCode}}
   @Override
   public boolean equals(Object o) {
     if (this == o) {
@@ -276,7 +300,9 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
     }
     return a.isPresent() ? Arrays.deepHashCode(new Object[]{a.get()}) : 31;
   }{{/vendorExtensions.x-jackson-optional-nullable-helpers}}
+  {{/lombok.EqualsAndHashCode}}
 
+  {{^lombok.ToString}}
   @Override
   public String toString() {
     StringBuilder sb = new StringBuilder();
@@ -301,4 +327,6 @@ public class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}{{^parent}}
     }
     return o.toString().replace("\n", "\n    ");
   }
+  {{/lombok.ToString}}
+  {{/lombok.Data}}
 }

modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java

@@ -4427,4 +4427,48 @@ public void testMultiInheritanceParentRequiredParams_issue15796() throws IOExcep
                 .hasParameter("race").toConstructor()
         ;
     }
+
+    @Test
+    public void testLombokAnnotations() throws IOException {
+        final Map<String, Object> additionalProperties = new HashMap<>();
+        additionalProperties.put(AbstractJavaCodegen.ADDITIONAL_MODEL_TYPE_ANNOTATIONS, "@lombok.Data;@lombok.NoArgsConstructor;@lombok.AllArgsConstructor");
+        Map<String, File> output = generateFromContract("src/test/resources/3_0/petstore.yaml", SPRING_BOOT, additionalProperties);
+        JavaFileAssert.assertThat(output.get("Pet.java"))
+                .assertNoConstructor()
+                .assertNoMethod("toString")
+                .assertNoMethod("hashCode")
+                .assertNoMethod("equals")
+                .assertNoMethod("getId")
+                .assertNoMethod("setId")
+                .assertNoMethod("getName")
+                .assertNoMethod("setName")
+        ;
+        additionalProperties.put(AbstractJavaCodegen.ADDITIONAL_MODEL_TYPE_ANNOTATIONS, "@lombok.ToString");
+        output = generateFromContract("src/test/resources/3_0/petstore.yaml", SPRING_BOOT, additionalProperties);
+        JavaFileAssert.assertThat(output.get("Pet.java"))
+                .assertConstructor().toFileAssert()
+                .assertNoMethod("toString")
+                .assertMethod("hashCode")
+                .toFileAssert()
+                .assertMethod("equals")
+                .toFileAssert()
+                .assertMethod("getId")
+                .toFileAssert()
+                .assertMethod("setId")
+                .toFileAssert()
+                .assertMethod("getName")
+                .toFileAssert()
+                .assertMethod("setName")
+        ;
+        additionalProperties.put(AbstractJavaCodegen.ADDITIONAL_MODEL_TYPE_ANNOTATIONS, "@lombok.Getter;@lombok.Setter");
+        output = generateFromContract("src/test/resources/3_0/petstore.yaml", SPRING_BOOT, additionalProperties);
+        JavaFileAssert.assertThat(output.get("Pet.java"))
+                .assertConstructor().toFileAssert()
+                .assertMethod("toString")
+                .toFileAssert()
+                .assertMethod("hashCode")
+                .toFileAssert()
+                .assertMethod("equals")
+        ;
+    }
 }

samples/openapi3/server/petstore/spring-boot-oneof/pom.xml

@@ -25,6 +25,8 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                </configuration>
             </plugin>
         </plugins>
     </build>

samples/openapi3/server/petstore/spring-boot-springdoc/pom.xml

@@ -24,6 +24,8 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                </configuration>
             </plugin>
         </plugins>
     </build>

samples/openapi3/server/petstore/springboot-3/pom.xml

@@ -40,6 +40,8 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                </configuration>
             </plugin>
         </plugins>
     </build>