[JAVA] Add generic okhttp client

.github/workflows/gradle-test.yaml

@@ -28,6 +28,8 @@ jobs:
           - samples/client/petstore/java/jersey2-java8
           - samples/client/petstore/java/okhttp-gson
           - samples/client/petstore/java/okhttp-gson-group-parameter
+          - samples/client/petstore/java/okhttp
+          - samples/client/petstore/java/okhttp-group-parameter
           - samples/client/petstore/java/webclient-swagger2
           - samples/client/petstore/java/native
           - samples/client/petstore/java/native-jakarta

.github/workflows/samples-java-client-echo-api-jdk8.yaml

@@ -6,13 +6,15 @@ on:
       - samples/client/echo_api/java/apache-httpclient/**
       - samples/client/echo_api/java/feign-gson/**
       - samples/client/echo_api/java/okhttp-gson/**
+      - samples/client/echo_api/java/okhttp/**
       - samples/client/echo_api/java/resttemplate/**
       - samples/client/echo_api/java/resteasy/**
   pull_request:
     paths:
       - samples/client/echo_api/java/apache-httpclient/**
       - samples/client/echo_api/java/feign-gson/**
       - samples/client/echo_api/java/okhttp-gson/**
+      - samples/client/echo_api/java/okhttp/**
       - samples/client/echo_api/java/resteasy/**
 jobs:
   build:
@@ -26,6 +28,7 @@ jobs:
           - samples/client/echo_api/java/apache-httpclient
           - samples/client/echo_api/java/feign-gson
           - samples/client/echo_api/java/okhttp-gson
+          - samples/client/echo_api/java/okhttp
           - samples/client/echo_api/java/resttemplate
           - samples/client/echo_api/java/resteasy
     steps:

.github/workflows/samples-java-client-jdk11.yaml

@@ -13,12 +13,18 @@ on:
       - samples/openapi3/client/petstore/java/native**
       - samples/client/others/java/okhttp-gson-oneOf/**
       - samples/client/others/java/okhttp-gson-oneOf-array/**
+      - samples/client/others/java/okhttp-oneOf/**
+      - samples/client/others/java/okhttp-oneOf-array/**
+      - samples/client/others/java/okhttp-jackson-oneOf/**
+      - samples/client/others/java/okhttp-jsonb-oneOf/**
       - samples/client/others/java/resttemplate-useAbstractionForFiles/**
       - samples/client/others/java/webclient-useAbstractionForFiles/**
       - samples/client/petstore/java/webclient-useSingleRequestParameter/**
       - samples/client/others/java/jersey2-oneOf-duplicates/**
       - samples/client/others/java/jersey2-oneOf-Mixed/**
       - samples/client/others/java/okhttp-gson-streaming/**
+      - samples/client/others/java/okhttp-streaming/**
+      - samples/client/echo_api/java/okhttp**
       - samples/client/others/java/resteasy/**
       - samples/client/others/java/apache-httpclient/**
       - samples/client/others/java/resttemplate-list-schema-validation/**
@@ -35,12 +41,18 @@ on:
       - samples/openapi3/client/petstore/java/native**
       - samples/client/others/java/okhttp-gson-oneOf/**
       - samples/client/others/java/okhttp-gson-oneOf-array/**
+      - samples/client/others/java/okhttp-oneOf/**
+      - samples/client/others/java/okhttp-oneOf-array/**
+      - samples/client/others/java/okhttp-jackson-oneOf/**
+      - samples/client/others/java/okhttp-jsonb-oneOf/**
       - samples/client/others/java/resttemplate-useAbstractionForFiles/**
       - samples/client/others/java/webclient-useAbstractionForFiles/**
       - samples/client/petstore/java/webclient-useSingleRequestParameter/**
       - samples/client/others/java/jersey2-oneOf-duplicates/**
       - samples/client/others/java/jersey2-oneOf-Mixed/**
       - samples/client/others/java/okhttp-gson-streaming/**
+      - samples/client/others/java/okhttp-streaming/**
+      - samples/client/echo_api/java/okhttp**
       - samples/client/others/java/resteasy/**
       - samples/client/others/java/apache-httpclient/**
       - samples/client/others/java/resttemplate-list-schema-validation/**
@@ -94,24 +106,44 @@ jobs:
           - samples/client/petstore/java/feign-hc5
           - samples/client/petstore/java/feign-no-nullable
           - samples/client/petstore/java/okhttp-gson-awsv4signature
+          - samples/client/petstore/java/okhttp-awsv4signature
           - samples/openapi3/client/petstore/java/jersey2-java8-special-characters
           - samples/openapi3/client/petstore/java/native
           - samples/client/petstore/java/okhttp-gson-swagger1/
+          - samples/client/petstore/java/okhttp-swagger1/
           - samples/client/petstore/java/resttemplate-swagger1/
           - samples/openapi3/client/petstore/java/jersey2-java8-swagger1/
           - samples/client/petstore/java/okhttp-gson-swagger2/
+          - samples/client/petstore/java/okhttp-swagger2/
           - samples/client/petstore/java/resttemplate-swagger2/
           - samples/openapi3/client/petstore/java/jersey2-java8-swagger2/
           - samples/client/others/java/okhttp-gson-oneOf/
           - samples/client/others/java/okhttp-gson-oneOf-array/
+          - samples/client/others/java/okhttp-oneOf/
+          - samples/client/others/java/okhttp-oneOf-array/
+          - samples/client/others/java/okhttp-jackson-oneOf/
+          - samples/client/others/java/okhttp-jsonb-oneOf/
           - samples/client/echo_api/java/okhttp-gson-user-defined-templates/
+          - samples/client/echo_api/java/okhttp-user-defined-templates/
+          - samples/client/echo_api/java/okhttp-jackson-user-defined-templates/
           - samples/client/others/java/resttemplate-useAbstractionForFiles/
           - samples/client/others/java/webclient-useAbstractionForFiles/
           - samples/client/others/java/jersey2-oneOf-duplicates/
           - samples/client/others/java/jersey2-oneOf-Mixed/
           - samples/client/others/java/resttemplate-list-schema-validation/
           - samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/
+          - samples/client/petstore/java/okhttp-3.1-duplicated-operationid/
           - samples/client/others/java/okhttp-gson-streaming/
+          - samples/client/others/java/okhttp-streaming/
+          - samples/client/petstore/java/okhttp-jackson/
+          - samples/client/petstore/java/okhttp-jsonb/
+          - samples/client/petstore/java/okhttp-jackson-jspecify/
+          - samples/client/petstore/java/okhttp-jsonb-jspecify/
+          - samples/client/petstore/java/okhttp-nullable-required/
+          - samples/client/petstore/java/okhttp-jackson-nullable-required/
+          - samples/client/petstore/java/okhttp-jsonb-nullable-required/
+          - samples/client/petstore/java/okhttp-group-parameter/
+          - samples/client/petstore/java/okhttp-parcelableModel/
           - samples/client/petstore/java/resteasy/
           - samples/client/petstore/java/apache-httpclient/
     steps:

.github/workflows/samples-java-client-jdk17.yaml

@@ -9,6 +9,9 @@ on:
       - samples/client/petstore/java/restclient-*/**
       - samples/client/petstore/java/native-jackson3/**
       - samples/client/petstore/java/apache-httpclient-jackson3/**
+      - samples/client/petstore/java/okhttp-jackson3/**
+      - samples/client/petstore/java/okhttp-jackson3-jspecify/**
+      - samples/client/others/java/okhttp-jackson3-oneOf/**
       - samples/client/petstore/java/native-jackson3-jspecify/**
       - samples/client/petstore/java/restclient-springBoot4-jackson3-jspecify/**
       - samples/client/petstore/java/restclient-springBoot4-jackson3-jspecify-openapiNullable/**
@@ -29,6 +32,9 @@ on:
       - samples/client/petstore/java/restclient-*/**
       - samples/client/petstore/java/native-jackson3/**
       - samples/client/petstore/java/apache-httpclient-jackson3/**
+      - samples/client/petstore/java/okhttp-jackson3/**
+      - samples/client/petstore/java/okhttp-jackson3-jspecify/**
+      - samples/client/others/java/okhttp-jackson3-oneOf/**
       - samples/client/petstore/java/native-jackson3-jspecify/**
       - samples/client/petstore/java/restclient-springBoot4-jackson3-jspecify/**
       - samples/client/petstore/java/restclient-springBoot4-jackson3-jspecify-openapiNullable/**
@@ -66,6 +72,9 @@ jobs:
           - samples/client/petstore/java/restclient-useSingleRequestParameter-static
           - samples/client/petstore/java/native-jackson3
           - samples/client/petstore/java/apache-httpclient-jackson3
+          - samples/client/petstore/java/okhttp-jackson3
+          - samples/client/petstore/java/okhttp-jackson3-jspecify
+          - samples/client/others/java/okhttp-jackson3-oneOf
           - samples/client/others/java/webclient-sealedInterface
           - samples/client/others/java/webclient-sealedInterface_3_1
           - samples/client/petstore/java/webclient-springBoot4-jackson3

.github/workflows/samples-java-petsore-client-jdk11.yaml

@@ -9,6 +9,9 @@ on:
       - samples/client/petstore/java/okhttp-gson/**
       - samples/client/petstore/java/okhttp-gson-3.1/**
       - samples/client/petstore/java/okhttp-gson-dynamicOperations/**
+      - samples/client/petstore/java/okhttp/**
+      - samples/client/petstore/java/okhttp-3.1/**
+      - samples/client/petstore/java/okhttp-dynamicOperations/**
       - samples/client/petstore/java-micronaut-client/**
   pull_request:
     paths:
@@ -17,6 +20,9 @@ on:
       - samples/client/petstore/java/okhttp-gson/**
       - samples/client/petstore/java/okhttp-gson-3.1/**
       - samples/client/petstore/java/okhttp-gson-dynamicOperations/**
+      - samples/client/petstore/java/okhttp/**
+      - samples/client/petstore/java/okhttp-3.1/**
+      - samples/client/petstore/java/okhttp-dynamicOperations/**
       - samples/client/petstore/java-micronaut-client/**
 jobs:
   build:
@@ -31,6 +37,9 @@ jobs:
           - samples/client/petstore/java/okhttp-gson
           - samples/client/petstore/java/okhttp-gson-3.1
           - samples/client/petstore/java/okhttp-gson-dynamicOperations
+          - samples/client/petstore/java/okhttp
+          - samples/client/petstore/java/okhttp-3.1
+          - samples/client/petstore/java/okhttp-dynamicOperations
           - samples/client/petstore/java-micronaut-client
     services:
       petstore-api:

.github/workflows/samples-java-sbt.yaml

@@ -4,9 +4,11 @@ on:
   push:
     paths:
       - 'samples/client/petstore/java/okhttp-gson/**'
+      - 'samples/client/petstore/java/okhttp/**'
   pull_request:
     paths:
       - 'samples/client/petstore/java/okhttp-gson/**'
+      - 'samples/client/petstore/java/okhttp/**'
 jobs:
   build:
     name: Build sbt/Java client, servers
@@ -17,6 +19,7 @@ jobs:
         sample:
           # clients
           - samples/client/petstore/java/okhttp-gson
+          - samples/client/petstore/java/okhttp
     steps:
       - uses: actions/checkout@v7
       - uses: actions/setup-java@v6.0.0

bin/configs/java-okhttp-3.1-duplicated-operationid.yaml

@@ -0,0 +1,13 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-3.1-duplicated-operationid
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_1/java/duplicated_operationid.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+validateSpec: false
+additionalProperties:
+  serializationLibrary: gson
+  artifactId: petstore-okhttp-31-do
+  hideGenerationTimestamp: "true"
+  disallowAdditionalPropertiesIfNotPresent: false
+openapiNormalizer:
+  FIX_DUPLICATED_OPERATIONID: true

bin/configs/java-okhttp-3.1.yaml

@@ -0,0 +1,21 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-3.1
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_1/java/petstore.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+validateSpec: false
+nameMappings:
+  _type: underscoreType
+  type_: typeWithUnderscore
+parameterNameMappings:
+  _type: underscoreType
+  type_: typeWithUnderscore
+additionalProperties:
+  serializationLibrary: gson
+  artifactId: petstore-okhttp-31
+  hideGenerationTimestamp: "true"
+  useOneOfDiscriminatorLookup: "true"
+  disallowAdditionalPropertiesIfNotPresent: false
+  enumPropertyNaming: legacy
+openapiNormalizer:
+  FIX_DUPLICATED_OPERATIONID: true

bin/configs/java-okhttp-awsv4signature.yaml

@@ -0,0 +1,12 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-awsv4signature
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  serializationLibrary: gson
+  artifactId: okhttp-awsv4signature
+  hideGenerationTimestamp: "true"
+  useOneOfDiscriminatorLookup: "true"
+  disallowAdditionalPropertiesIfNotPresent: false
+  withAWSV4Signature: true

bin/configs/java-okhttp-dynamicOperations.yaml

@@ -0,0 +1,10 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-dynamicOperations
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  serializationLibrary: gson
+  artifactId: petstore-okhttp-dynamicoperations
+  hideGenerationTimestamp: "true"
+  dynamicOperations: "true"

bin/configs/java-okhttp-echo-api.yaml

@@ -0,0 +1,9 @@
+generatorName: java
+outputDir: samples/client/echo_api/java/okhttp
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/echo_api.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  serializationLibrary: gson
+  artifactId: echo-api-okhttp
+  hideGenerationTimestamp: "true"

bin/configs/java-okhttp-group-parameter.yaml

@@ -0,0 +1,11 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-group-parameter
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/java/petstore-group-parameter.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  serializationLibrary: gson
+  artifactId: petstore-okhttp-group-parameter
+  hideGenerationTimestamp: "true"
+  disallowAdditionalPropertiesIfNotPresent: false
+  useSingleRequestParameter: true

bin/configs/java-okhttp-gson-user-defined-templates.yaml

@@ -0,0 +1,17 @@
+generatorName: java
+outputDir: samples/client/echo_api/java/okhttp-gson-user-defined-templates
+library: okhttp-gson
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  hideGenerationTimestamp: "true"
+files:
+  README.mustache:
+    destinationFilename: info.md
+  api_doc.mustache:
+    templateType: APIDocs
+    destinationFilename: Documentation.md
+  pojo.mustache:
+      templateType: Model
+      folder: modelCopy
+      destinationFilename: .java

bin/configs/java-okhttp-jackson-jspecify.yaml

@@ -0,0 +1,16 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-jackson-jspecify
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/java/jspecify.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+validateSpec: false
+additionalProperties:
+  serializationLibrary: jackson
+  artifactId: petstore-okhttp-jackson-jspecify
+  hideGenerationTimestamp: "true"
+  generateBuilders: true
+  openApiNullable: "false"
+  useJspecify: true
+typeMappings:
+  OffsetDateTime: java.time.Instant
+  BigDecimal: java.math.BigDecimal

bin/configs/java-okhttp-jackson-nullable-required.yaml

@@ -0,0 +1,11 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-jackson-nullable-required
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore-with-nullable-required.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  serializationLibrary: jackson
+  artifactId: nullable-required-okhttp-jackson
+  hideGenerationTimestamp: "true"
+  useOneOfDiscriminatorLookup: "true"
+  disallowAdditionalPropertiesIfNotPresent: false

bin/configs/java-okhttp-jackson-oneOf.yaml

@@ -0,0 +1,9 @@
+generatorName: java
+outputDir: samples/client/others/java/okhttp-jackson-oneOf
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/oneOf_twoPrimitives.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  artifactId: okhttp-jackson-oneOf
+  hideGenerationTimestamp: "true"
+  serializationLibrary: jackson

bin/configs/java-okhttp-jackson-user-defined-templates.yaml

@@ -0,0 +1,17 @@
+generatorName: java
+outputDir: samples/client/echo_api/java/okhttp-jackson-user-defined-templates
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/echo_api.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+additionalProperties:
+  artifactId: echo-api-okhttp-jackson-user-defined-templates
+  hideGenerationTimestamp: "true"
+  serializationLibrary: jackson
+files:
+  api_doc.mustache:
+    templateType: APIDocs
+    destinationFilename: .md
+  pojo.mustache:
+      templateType: Model
+      folder: modelCopy
+      destinationFilename: .java

bin/configs/java-okhttp-jackson.yaml

@@ -0,0 +1,27 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-jackson
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/java/petstore-with-fake-endpoints-models-for-testing-okhttp-gson.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+nameMappings:
+  _type: underscoreType
+  type_: typeWithUnderscore
+parameterNameMappings:
+  _type: underscoreType
+  type_: typeWithUnderscore
+additionalProperties:
+  serializationLibrary: jackson
+  openApiNullable: "false"
+  defaultToEmptyContainer: "array?|array|map?"
+  artifactId: petstore-okhttp-jackson2
+  hideGenerationTimestamp: "true"
+  useOneOfDiscriminatorLookup: true
+  disallowAdditionalPropertiesIfNotPresent: false
+  generateBuilders: true
+  removeEnumValuePrefix: true
+enumNameMappings:
+  s: LOWER_CASE_S
+  S: UPPER_CASE_S
+operationIdNameMappings:
+  getArrayOfEnums: getFakeArrayofenums
+  fakeHealthGet: getFakeHealth

bin/configs/java-okhttp-jackson3-jspecify.yaml

@@ -0,0 +1,17 @@
+generatorName: java
+outputDir: samples/client/petstore/java/okhttp-jackson3-jspecify
+library: okhttp
+inputSpec: modules/openapi-generator/src/test/resources/3_0/java/jspecify.yaml
+templateDir: modules/openapi-generator/src/main/resources/Java
+validateSpec: false
+additionalProperties:
+  serializationLibrary: jackson
+  artifactId: petstore-okhttp-jackson3-jspecify
+  hideGenerationTimestamp: "true"
+  generateBuilders: true
+  useJackson3: "true"
+  openApiNullable: "false"
+  useJspecify: true
+typeMappings:
+  OffsetDateTime: java.time.Instant
+  BigDecimal: java.math.BigDecimal