[Java] Add option to fallback to legacy enum naming (#20172)

* add option to fallback legacy enum naming (java) * fix tests
2024-11-29 17:12:12 +08:00 · 2024-11-29 17:12:12 +08:00 · 711e53a90c
commit 711e53a90c
parent 34bd02109e
31 changed files with 71 additions and 12 deletions
--- a/bin/configs/java-okhttp-gson-3.1.yaml
+++ b/bin/configs/java-okhttp-gson-3.1.yaml
@ -15,5 +15,6 @@ additionalProperties:
  hideGenerationTimestamp: "true"
  useOneOfDiscriminatorLookup: "true"
  disallowAdditionalPropertiesIfNotPresent: false
+  enumPropertyNaming: legacy
 openapiNormalizer:
  FIX_DUPLICATED_OPERATIONID: true
--- a/bin/configs/java-okhttp-gson-streaming.yaml
+++ b/bin/configs/java-okhttp-gson-streaming.yaml
@ -8,3 +8,4 @@ additionalProperties:
  hideGenerationTimestamp: "true"
  supportStreaming: true
  serializableModel: true
+  enumPropertyNaming: legacy
--- a/docs/generators/groovy.md
+++ b/docs/generators/groovy.md
@ -38,6 +38,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-camel.md
+++ b/docs/generators/java-camel.md
@ -54,6 +54,7 @@ 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|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-helidon-client.md
+++ b/docs/generators/java-helidon-client.md
@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-helidon-server.md
+++ b/docs/generators/java-helidon-server.md
@ -35,6 +35,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-inflector.md
+++ b/docs/generators/java-inflector.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-micronaut-client.md
+++ b/docs/generators/java-micronaut-client.md
@ -49,6 +49,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-micronaut-server.md
+++ b/docs/generators/java-micronaut-server.md
@ -44,6 +44,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-microprofile.md
+++ b/docs/generators/java-microprofile.md
@ -47,6 +47,7 @@ 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></dl>|source|
 |dynamicOperations|Generate operations dynamically at runtime from an OAS| |false|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
 |failOnUnknownProperties|Fail Jackson de-serialization on unknown properties| |false|
--- a/docs/generators/java-msf4j.md
+++ b/docs/generators/java-msf4j.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-pkmst.md
+++ b/docs/generators/java-pkmst.md
@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-play-framework.md
+++ b/docs/generators/java-play-framework.md
@ -43,6 +43,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-undertow-server.md
+++ b/docs/generators/java-undertow-server.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-vertx-web.md
+++ b/docs/generators/java-vertx-web.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-vertx.md
+++ b/docs/generators/java-vertx.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java-wiremock.md
+++ b/docs/generators/java-wiremock.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/java.md
+++ b/docs/generators/java.md
@ -47,6 +47,7 @@ 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></dl>|source|
 |dynamicOperations|Generate operations dynamically at runtime from an OAS| |false|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
 |failOnUnknownProperties|Fail Jackson de-serialization on unknown properties| |false|
--- a/docs/generators/jaxrs-cxf-cdi.md
+++ b/docs/generators/jaxrs-cxf-cdi.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-cxf-client.md
+++ b/docs/generators/jaxrs-cxf-client.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-cxf-extended.md
+++ b/docs/generators/jaxrs-cxf-extended.md
@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-cxf.md
+++ b/docs/generators/jaxrs-cxf.md
@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-jersey.md
+++ b/docs/generators/jaxrs-jersey.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-resteasy-eap.md
+++ b/docs/generators/jaxrs-resteasy-eap.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-resteasy.md
+++ b/docs/generators/jaxrs-resteasy.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/jaxrs-spec.md
+++ b/docs/generators/jaxrs-spec.md
@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/docs/generators/spring.md
+++ b/docs/generators/spring.md
@ -47,6 +47,7 @@ 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|
 |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|
+|enumPropertyNaming|Naming convention for enum properties: 'MACRO_CASE' and 'legacy'| |MACRO_CASE|
 |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|
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
@ -140,6 +140,11 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
    protected String sourceFolder = projectFolder + "/java";
    @Getter @Setter
    protected String testFolder = projectTestFolder + "/java";
+
+    protected static enum ENUM_PROPERTY_NAMING_TYPE {MACRO_CASE, legacy};
+    protected static final String ENUM_PROPERTY_NAMING_DESC = "Naming convention for enum properties: 'MACRO_CASE' and 'legacy'";
+    @Getter protected ENUM_PROPERTY_NAMING_TYPE enumPropertyNaming = ENUM_PROPERTY_NAMING_TYPE.MACRO_CASE;
+
    /**
     * -- SETTER --
     * Set whether discriminator value lookup is case-sensitive or not.
@ -356,6 +361,9 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
                    annotationLibraryCliOption.addEnum(al.toCliOptValue(), al.getDescription()));
            cliOptions.add(annotationLibraryCliOption);
        }
+
+        CliOption enumPropertyNamingOpt = new CliOption(CodegenConstants.ENUM_PROPERTY_NAMING, ENUM_PROPERTY_NAMING_DESC);
+        cliOptions.add(enumPropertyNamingOpt.defaultValue(enumPropertyNaming.name()));
    }

    @Override
@ -540,11 +548,11 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
        convertPropertyToStringAndWriteBack(CodegenConstants.LIBRARY, this::setLibrary);
        convertPropertyToBooleanAndWriteBack(CodegenConstants.SERIALIZE_BIG_DECIMAL_AS_STRING, this::setSerializeBigDecimalAsString );
        // need to put back serializableModel (boolean) into additionalProperties as value in additionalProperties is string
-//        additionalProperties.put(CodegenConstants.SERIALIZABLE_MODEL, serializableModel);
+        // additionalProperties.put(CodegenConstants.SERIALIZABLE_MODEL, serializableModel);

-            // By default, the discriminator lookup should be case sensitive. There is nothing in the OpenAPI specification
-            // that indicates the lookup should be case insensitive. However, some implementations perform
-            // a case-insensitive lookup.
+        // By default, the discriminator lookup should be case sensitive. There is nothing in the OpenAPI specification
+        // that indicates the lookup should be case insensitive. However, some implementations perform
+        // a case-insensitive lookup.
        convertPropertyToBooleanAndWriteBack(DISCRIMINATOR_CASE_SENSITIVE, this::setDiscriminatorCaseSensitive);
        convertPropertyToBooleanAndWriteBack(WITH_XML, this::setWithXml);
        convertPropertyToBooleanAndWriteBack(OPENAPI_NULLABLE, this::setOpenApiNullable);
@ -555,6 +563,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
        convertPropertyToStringAndWriteBack(IMPLICIT_HEADERS_REGEX, this::setImplicitHeadersRegex);
        convertPropertyToBooleanAndWriteBack(CAMEL_CASE_DOLLAR_SIGN, this::setCamelCaseDollarSign);
        convertPropertyToBooleanAndWriteBack(USE_ONE_OF_INTERFACES, this::setUseOneOfInterfaces);
+        convertPropertyToStringAndWriteBack(CodegenConstants.ENUM_PROPERTY_NAMING, this::setEnumPropertyNaming);

        if (!StringUtils.isEmpty(parentGroupId) && !StringUtils.isEmpty(parentArtifactId) && !StringUtils.isEmpty(parentVersion)) {
            additionalProperties.put("parentOverridden", true);
@ -2009,7 +2018,17 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
        }

        // string
-        String var = underscore(value.replaceAll("\\W+", "_")).toUpperCase(Locale.ROOT);
+        String var;
+        switch (getEnumPropertyNaming()) {
+            case legacy:
+                // legacy ,e.g. WITHNUMBER1
+                var = value.replaceAll("\\W+", "_").toUpperCase(Locale.ROOT);
+                break;
+            default:
+                // default to MACRO_CASE, e.g. WITH_NUMBER1
+                var = underscore(value.replaceAll("\\W+", "_")).toUpperCase(Locale.ROOT);
+                break;
+        }
        if (var.matches("\\d.*")) {
            var = "_" + var;
        }
@ -2367,4 +2386,21 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
    public boolean isTypeErasedGenerics() {
        return true;
    }
+
+    /**
+     * Sets the naming convention for Java enum properties
+     *
+     * @param enumPropertyNamingType The string representation of the naming convention, as defined by {@link ENUM_PROPERTY_NAMING_TYPE}
+     */
+    public void setEnumPropertyNaming(final String enumPropertyNamingType) {
+        try {
+            this.enumPropertyNaming = ENUM_PROPERTY_NAMING_TYPE.valueOf(enumPropertyNamingType);
+        } catch (IllegalArgumentException ex) {
+            StringBuilder sb = new StringBuilder(enumPropertyNamingType + " is an invalid enum property naming option. Please choose from:");
+            for (ENUM_PROPERTY_NAMING_TYPE t : ENUM_PROPERTY_NAMING_TYPE.values()) {
+                sb.append("\n  ").append(t.name());
+            }
+            throw new RuntimeException(sb.toString());
+        }
+    }
 }
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java
@ -2398,7 +2398,6 @@ public class SpringCodegenTest {
        codegen.additionalProperties().put(CodegenConstants.SORT_MODEL_PROPERTIES_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SERIALIZATION_LIBRARY, "jackson");
-        codegen.additionalProperties().put(CodegenConstants.ENUM_PROPERTY_NAMING, "PascalCase");
        codegen.additionalProperties().put(SpringCodegen.USE_TAGS, "true");

        Map<String, File> files = generateFiles(codegen, "src/test/resources/bugs/issue_13365.yml");
@ -2428,7 +2427,6 @@ public class SpringCodegenTest {
        codegen.additionalProperties().put(CodegenConstants.SORT_MODEL_PROPERTIES_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SERIALIZATION_LIBRARY, "jackson");
-        codegen.additionalProperties().put(CodegenConstants.ENUM_PROPERTY_NAMING, "PascalCase");
        codegen.additionalProperties().put(SpringCodegen.USE_TAGS, "true");

        Map<String, File> files = generateFiles(codegen, "src/test/resources/bugs/issue_13365.yml");
@ -2457,7 +2455,6 @@ public class SpringCodegenTest {
        codegen.additionalProperties().put(CodegenConstants.SORT_MODEL_PROPERTIES_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SERIALIZATION_LIBRARY, "jackson");
-        codegen.additionalProperties().put(CodegenConstants.ENUM_PROPERTY_NAMING, "PascalCase");
        codegen.additionalProperties().put(SpringCodegen.USE_TAGS, "true");

        Map<String, File> files = generateFiles(codegen, "src/test/resources/bugs/issue_13365.yml");
@ -2499,7 +2496,6 @@ public class SpringCodegenTest {
        codegen.additionalProperties().put(CodegenConstants.SORT_MODEL_PROPERTIES_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SORT_PARAMS_BY_REQUIRED_FLAG, "false");
        codegen.additionalProperties().put(CodegenConstants.SERIALIZATION_LIBRARY, "jackson");
-        codegen.additionalProperties().put(CodegenConstants.ENUM_PROPERTY_NAMING, "PascalCase");
        codegen.additionalProperties().put(SpringCodegen.USE_TAGS, "true");

        Map<String, File> files = generateFiles(codegen, "src/test/resources/bugs/issue_13365.yml");
--- a/samples/client/others/java/okhttp-gson-streaming/docs/SomeObj.md
+++ b/samples/client/others/java/okhttp-gson-streaming/docs/SomeObj.md
@ -19,7 +19,7 @@

 | Name | Value |
 |---- | -----|
-| SOME_OBJ_IDENTIFIER | &quot;SomeObjIdentifier&quot; |
+| SOMEOBJIDENTIFIER | &quot;SomeObjIdentifier&quot; |


 ## Implemented Interfaces
--- a/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/model/SomeObj.java
+++ b/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/model/SomeObj.java
@ -58,7 +58,7 @@ public class SomeObj implements Serializable {
   */
  @JsonAdapter(TypeEnum.Adapter.class)
  public enum TypeEnum {
-    SOME_OBJ_IDENTIFIER("SomeObjIdentifier");
+    SOMEOBJIDENTIFIER("SomeObjIdentifier");

    private String value;

@ -106,7 +106,7 @@ public class SomeObj implements Serializable {
  public static final String SERIALIZED_NAME_$_TYPE = "$_type";
  @SerializedName(SERIALIZED_NAME_$_TYPE)
  @javax.annotation.Nullable
-  private TypeEnum $type = TypeEnum.SOME_OBJ_IDENTIFIER;
+  private TypeEnum $type = TypeEnum.SOMEOBJIDENTIFIER;

  public static final String SERIALIZED_NAME_ID = "id";
  @SerializedName(SERIALIZED_NAME_ID)