[java] implement #18032 add builder pattern to java client and spring…

… generator (#18650)

* add builder pattern to java client and spring generator

* regenerate samples

* update doc

---------

Co-authored-by: jpfinne <jeanpaul@finne.be>

bin/configs/java-native.yaml

@@ -6,3 +6,4 @@ templateDir: modules/openapi-generator/src/main/resources/Java
 additionalProperties:
   artifactId: petstore-native
   hideGenerationTimestamp: "true"
+  generateBuilders: true

bin/configs/java-resttemplate.yaml

@@ -9,3 +9,4 @@ additionalProperties:
   java8: true
   containerDefaultToNull: true
   generateConstructorWithAllArgs: true
+  generateBuilders: true

bin/configs/spring-boot-3.yaml

@@ -12,3 +12,4 @@ additionalProperties:
   withXml: true
   hideGenerationTimestamp: "true"
   generateConstructorWithAllArgs: true
+  generateBuilders: true

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

@@ -8,3 +8,4 @@ additionalProperties:
   hideGenerationTimestamp: "true"
   additionalModelTypeAnnotations: "@lombok.Data;@lombok.Builder;@lombok.NoArgsConstructor;@lombok.AllArgsConstructor"
   generateConstructorWithAllArgs: true
+  generateBuilders: true

bin/configs/spring-boot-oneof.yaml

@@ -8,3 +8,4 @@ additionalProperties:
   artifactId: springboot-oneof
   snapshotVersion: "true"
   hideGenerationTimestamp: "true"
+  generateBuilders: true

bin/configs/spring-boot-useoptional.yaml

@@ -8,3 +8,4 @@ additionalProperties:
   useOptional: true
   artifactId: spring-boot-useoptional
   hideGenerationTimestamp: "true"
+  generateBuilders: true

docs/generators/groovy.md

@@ -39,6 +39,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |false|

docs/generators/java-camel.md

@@ -55,6 +55,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |documentationProvider|Select the OpenAPI documentation provider.|<dl><dt>**none**</dt><dd>Do not publish an OpenAPI specification.</dd><dt>**source**</dt><dd>Publish the original input OpenAPI specification.</dd><dt>**springfox**</dt><dd>Generate an OpenAPI 2 (fka Swagger RESTful API Documentation Specification) specification using SpringFox 2.x. Deprecated (for removal); use springdoc instead.</dd><dt>**springdoc**</dt><dd>Generate an OpenAPI 3 specification using SpringDoc.</dd></dl>|springdoc|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |generatedConstructorWithRequiredArgs|Whether to generate constructors with required args for models| |true|
 |groupId|groupId in generated pom.xml| |org.openapitools|

docs/generators/java-helidon-client.md

@@ -38,6 +38,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
 |fullProject|If set to true, it will generate all files; if set to false, it will only generate API files. If unspecified, the behavior depends on whether a project exists or not: if it does not, same as true; if it does, same as false. Note that test files are never overwritten.| ||
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|
 |helidonVersion|Helidon complete version identifier or major version number. The specified exact Helidon release or, if specified as a major version the latest release of that major version,  is used in the generated code.| |Highest released version.|

docs/generators/java-helidon-server.md

@@ -37,6 +37,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
 |fullProject|If set to true, it will generate all files; if set to false, it will only generate API files. If unspecified, the behavior depends on whether a project exists or not: if it does not, same as true; if it does, same as false. Note that test files are never overwritten.| ||
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |gradleProject|Whether to generate gradle project instead of maven.| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|

docs/generators/java-inflector.md

@@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |false|

docs/generators/java-micronaut-client.md

@@ -50,6 +50,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |generateOperationOnlyForFirstTag|When false, the operation method will be duplicated in each of the tags if multiple tags are assigned to this operation. If true, each operation will be generated only once in the first assigned tag.| |false|
 |generateSwaggerAnnotations|Specify if you want to generate swagger annotations and which version|<dl><dt>**swagger2**</dt><dd>Use io.swagger.core.v3:swagger-annotations for annotating operations and schemas</dd><dt>**true**</dt><dd>Equivalent to &quot;swagger2&quot;</dd><dt>**false**</dt><dd>Do not generate swagger annotations</dd><dt>**swagger1**</dt><dd>Use io.swagger:swagger-annotations for annotating operations and schemas</dd></dl>|false|

docs/generators/java-micronaut-server.md

@@ -45,6 +45,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |generateControllerAsAbstract|Generate an abstract class for controller to be extended. (apiPackage is then used for the abstract class, and controllerPackage is used for implementation that extends it.)| |false|
 |generateControllerFromExamples|Generate the implementation of controller and tests from parameter and return examples that will verify that the api works as desired (for testing)| |false|

docs/generators/java-microprofile.md

@@ -49,6 +49,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
 |errorObjectType|Error Object type. (This option is for okhttp-gson only)| |null|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateClientAsBean|For resttemplate, configure whether to create `ApiClient.java` and Apis clients as bean (with `@Component` annotation).| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |gradleProperties|Append additional Gradle properties to the gradle.properties file| |null|

docs/generators/java-msf4j.md

@@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |false|

docs/generators/java-pkmst.md

@@ -43,6 +43,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
 |eurekaUri|Eureka URI| |null|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |com.prokarma|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |false|

docs/generators/java-play-framework.md

@@ -44,6 +44,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|
 |handleExceptions|Add a 'throw exception' to each controller function. Add also a custom error handler where you can put your custom logic| |true|

docs/generators/java-undertow-server.md

@@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
 |enumUnknownDefaultCase|If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response.With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.|<dl><dt>**false**</dt><dd>No changes to the enum's are made, this is the default option.</dd><dt>**true**</dt><dd>With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the enum case sent by the server is not known by the client/spec, can safely be decoded to this case.</dd></dl>|false|
+|generateBuilders|Whether to generate builders for models| |false|
 |generateConstructorWithAllArgs|whether to generate a constructor for all arguments| |false|
 |groupId|groupId in generated pom.xml| |org.openapitools|
 |hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |false|