[kotlin][client] Deprecate jvm-volley support

.github/workflows/samples-kotlin-client.yaml

@@ -29,7 +29,6 @@ jobs:
           # needs Android configured
           #- samples/client/petstore/kotlin-json-request-string
           - samples/client/petstore/kotlin-jvm-okhttp4-coroutines
-          - samples/client/petstore/kotlin-jvm-volley
           - samples/client/petstore/kotlin-moshi-codegen
           - samples/client/petstore/kotlin-multiplatform
           - samples/client/petstore/kotlin-multiplatform-kotlinx-datetime
@@ -47,10 +46,8 @@ jobs:
           - samples/client/petstore/kotlin-array-integer-enum
           - samples/client/petstore/kotlin-default-values-jvm-okhttp4
           - samples/client/petstore/kotlin-default-values-jvm-retrofit2
-          - samples/client/petstore/kotlin-default-values-jvm-volley
           - samples/client/petstore/kotlin-default-values-multiplatform
           - samples/client/petstore/kotlin-array-simple-string-jvm-okhttp4
-          - samples/client/petstore/kotlin-array-simple-string-jvm-volley
           - samples/client/petstore/kotlin-array-simple-string-multiplatform
           - samples/client/petstore/kotlin-bigdecimal-default-multiplatform
           - samples/client/petstore/kotlin-bigdecimal-default-okhttp4

docs/generators/kotlin.md

@@ -31,7 +31,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |generateRoomModels|Generate Android Room database models in addition to API models (JVM Volley library only)| |false|
 |groupId|Generated artifact package's organization (i.e. maven groupId).| |org.openapitools|
 |idea|Add IntelliJ Idea plugin and mark Kotlin main and test folders as source folders.| |false|
-|library|Library template (sub-template) to use|<dl><dt>**jvm-ktor**</dt><dd>Platform: Java Virtual Machine. HTTP client: Ktor 1.6.7. JSON processing: Gson, Jackson (default).</dd><dt>**jvm-okhttp4**</dt><dd>[DEFAULT] Platform: Java Virtual Machine. HTTP client: OkHttp 4.2.0 (Android 5.0+ and Java 8+). JSON processing: Moshi 1.8.0.</dd><dt>**jvm-spring-webclient**</dt><dd>Platform: Java Virtual Machine. HTTP: Spring 5 (or 6 with useSpringBoot3 enabled) WebClient. JSON processing: Jackson.</dd><dt>**jvm-spring-restclient**</dt><dd>Platform: Java Virtual Machine. HTTP: Spring 6 RestClient. JSON processing: Jackson.</dd><dt>**jvm-retrofit2**</dt><dd>Platform: Java Virtual Machine. HTTP client: Retrofit 2.6.2.</dd><dt>**multiplatform**</dt><dd>Platform: Kotlin multiplatform. HTTP client: Ktor 1.6.7. JSON processing: Kotlinx Serialization: 1.2.1.</dd><dt>**jvm-volley**</dt><dd>Platform: JVM for Android. HTTP client: Volley 1.2.1. JSON processing: gson 2.8.9</dd><dt>**jvm-vertx**</dt><dd>Platform: Java Virtual Machine. HTTP client: Vert.x Web Client. JSON processing: Moshi, Gson or Jackson.</dd></dl>|jvm-okhttp4|
+|library|Library template (sub-template) to use|<dl><dt>**jvm-ktor**</dt><dd>Platform: Java Virtual Machine. HTTP client: Ktor 1.6.7. JSON processing: Gson, Jackson (default).</dd><dt>**jvm-okhttp4**</dt><dd>[DEFAULT] Platform: Java Virtual Machine. HTTP client: OkHttp 4.2.0 (Android 5.0+ and Java 8+). JSON processing: Moshi 1.8.0.</dd><dt>**jvm-spring-webclient**</dt><dd>Platform: Java Virtual Machine. HTTP: Spring 5 (or 6 with useSpringBoot3 enabled) WebClient. JSON processing: Jackson.</dd><dt>**jvm-spring-restclient**</dt><dd>Platform: Java Virtual Machine. HTTP: Spring 6 RestClient. JSON processing: Jackson.</dd><dt>**jvm-retrofit2**</dt><dd>Platform: Java Virtual Machine. HTTP client: Retrofit 2.6.2.</dd><dt>**multiplatform**</dt><dd>Platform: Kotlin multiplatform. HTTP client: Ktor 1.6.7. JSON processing: Kotlinx Serialization: 1.2.1.</dd><dt>**jvm-volley**</dt><dd>Platform: JVM for Android. HTTP client: Volley 1.2.1. JSON processing: gson 2.8.9 (Deprecated)</dd><dt>**jvm-vertx**</dt><dd>Platform: Java Virtual Machine. HTTP client: Vert.x Web Client. JSON processing: Moshi, Gson or Jackson.</dd></dl>|jvm-okhttp4|
 |mapFileBinaryToByteArray|Map File and Binary to ByteArray (default: false)| |false|
 |modelMutable|Create mutable models| |false|
 |moshiCodeGen|Whether to enable codegen with the Moshi library. Refer to the [official Moshi doc](https://github.com/square/moshi#codegen) for more info.| |false|

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

@@ -248,7 +248,7 @@ public KotlinClientCodegen() {
         supportedLibraries.put(JVM_SPRING_RESTCLIENT, "Platform: Java Virtual Machine. HTTP: Spring 6 RestClient. JSON processing: Jackson.");
         supportedLibraries.put(JVM_RETROFIT2, "Platform: Java Virtual Machine. HTTP client: Retrofit 2.6.2.");
         supportedLibraries.put(MULTIPLATFORM, "Platform: Kotlin multiplatform. HTTP client: Ktor 1.6.7. JSON processing: Kotlinx Serialization: 1.2.1.");
-        supportedLibraries.put(JVM_VOLLEY, "Platform: JVM for Android. HTTP client: Volley 1.2.1. JSON processing: gson 2.8.9");
+        supportedLibraries.put(JVM_VOLLEY, "Platform: JVM for Android. HTTP client: Volley 1.2.1. JSON processing: gson 2.8.9 (Deprecated)");
         supportedLibraries.put(JVM_VERTX, "Platform: Java Virtual Machine. HTTP client: Vert.x Web Client. JSON processing: Moshi, Gson or Jackson.");
 
         CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "Library template (sub-template) to use");