Revert "feat(amazonq): support Java 21"

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/ArtifactHandler.kt

@@ -65,8 +65,7 @@
 const val DOWNLOAD_SSL_HANDSHAKE_ERROR: String = "Unable to execute HTTP request: javax.net.ssl.SSLHandshakeException"
 const val INVALID_ARTIFACT_ERROR: String = "Invalid artifact"
 val patchDescriptions = mapOf(
-    "Prepare minimal upgrade to Java 17" to "This diff patch covers the set of upgrades for Springboot, JUnit, and PowerMockito frameworks in Java 17.",
-    "Prepare minimal upgrade to Java 21" to "This diff patch covers the set of upgrades for Springboot, JUnit, and PowerMockito frameworks in Java 21.",
+    "Prepare minimal upgrade to Java 17" to "This diff patch covers the set of upgrades for Springboot, JUnit, and PowerMockito frameworks.",
     "Popular Enterprise Specifications and Application Frameworks upgrade" to "This diff patch covers the set of upgrades for Jakarta EE 10, Hibernate 6.2, " +
         "and Micronaut 3.",
     "HTTP Client Utilities, Apache Commons Utilities, and Web Frameworks" to "This diff patch covers the set of upgrades for Apache HTTP Client 5, Apache " +

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/CodeModernizerManager.kt

@@ -122,10 +122,9 @@
         }
     private val artifactHandler = ArtifactHandler(project, GumbyClient.getInstance(project))
     private val supportedJavaMappings = mapOf(
-        JavaSdkVersion.JDK_1_8 to setOf(JavaSdkVersion.JDK_17, JavaSdkVersion.JDK_21),
-        JavaSdkVersion.JDK_11 to setOf(JavaSdkVersion.JDK_17, JavaSdkVersion.JDK_21),
-        JavaSdkVersion.JDK_17 to setOf(JavaSdkVersion.JDK_17, JavaSdkVersion.JDK_21),
-        JavaSdkVersion.JDK_21 to setOf(JavaSdkVersion.JDK_21),
+        JavaSdkVersion.JDK_1_8 to setOf(JavaSdkVersion.JDK_17),
+        JavaSdkVersion.JDK_11 to setOf(JavaSdkVersion.JDK_17),
+        JavaSdkVersion.JDK_17 to setOf(JavaSdkVersion.JDK_17),
     )
 
     init {

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/constants/CodeTransformChatItems.kt

@@ -4,7 +4,6 @@
 package software.aws.toolkits.jetbrains.services.codemodernizer.constants
 
 import com.intellij.openapi.project.Project
-import com.intellij.openapi.projectRoots.JavaSdkVersion
 import com.intellij.openapi.vfs.VirtualFile
 import software.amazon.awssdk.services.codewhispererstreaming.model.TransformationDownloadArtifactType
 import software.aws.toolkits.jetbrains.services.amazonq.CODE_TRANSFORM_PREREQUISITES
@@ -177,12 +176,8 @@
     mandatory = true,
     options = listOf(
         FormItemOption(
-            label = JavaSdkVersion.JDK_17.toString(),
-            value = JavaSdkVersion.JDK_17.toString(),
-        ),
-        FormItemOption(
-            label = JavaSdkVersion.JDK_21.toString(),
-            value = JavaSdkVersion.JDK_21.toString(),
+            label = "JDK17",
+            value = "17",
         )
     )
 )
@@ -231,14 +226,14 @@
     )
 )
 
-private fun getUserLanguageUpgradeSelectionFormattedMarkdown(moduleName: String, targetJdkVersion: String): String = """
+private fun getUserLanguageUpgradeSelectionFormattedMarkdown(moduleName: String): String = """
         ### ${message("codemodernizer.chat.prompt.title.details")}
         -------------
 
         | | |
         | :------------------- | -------: |
         | **${message("codemodernizer.chat.prompt.label.module")}**             |   $moduleName   |
-        | **${message("codemodernizer.chat.prompt.label.target_version")}** |  $targetJdkVersion   |
+        | **${message("codemodernizer.chat.prompt.label.target_version")}** |  JDK17   |
 """.trimIndent()
 
 private fun getUserSQLConversionSelectionFormattedMarkdown(moduleName: String, schema: String) = """
@@ -291,7 +286,6 @@
         CodeTransformPreValidationError.EmptyProject -> message("codemodernizer.notification.warn.invalid_project.description.reason.missing_content_roots")
         CodeTransformPreValidationError.UnsupportedBuildSystem -> message("codemodernizer.chat.message.validation.error.no_pom")
         CodeTransformPreValidationError.NoJavaProject -> message("codemodernizer.chat.message.validation.error.no_java_project")
-        CodeTransformPreValidationError.JavaDowngradeAttempt -> message("codemodernizer.chat.message.validation.error.downgrade_attempt")
         else -> message("codemodernizer.chat.message.validation.error.other")
     }
 
@@ -324,9 +318,9 @@
         formItems = listOf(selectSkipTestsFlagFormItem),
         type = CodeTransformChatMessageType.FinalizedAnswer,
     )
-fun buildUserInputOneOrMultipleDiffsChatIntroContent(version: String): CodeTransformChatMessageContent =
+fun buildUserInputOneOrMultipleDiffsChatIntroContent(): CodeTransformChatMessageContent =
     CodeTransformChatMessageContent(
-        message = message("codemodernizer.chat.message.one_or_multiple_diffs", version.substring(4)), // extract "17" / "21" from "JDK_17" / "JDK_21"
+        message = message("codemodernizer.chat.message.one_or_multiple_diffs"),
         type = CodeTransformChatMessageType.FinalizedAnswer,
     )
 fun buildUserInputOneOrMultipleDiffsFlagChatContent(): CodeTransformChatMessageContent =
@@ -447,9 +441,9 @@
     message = getUserSQLConversionSelectionFormattedMarkdown(moduleName, schema)
 )
 
-fun buildUserLanguageUpgradeSelectionSummaryChatContent(moduleName: String, targetJdkVersion: String) = CodeTransformChatMessageContent(
+fun buildUserLanguageUpgradeSelectionSummaryChatContent(moduleName: String) = CodeTransformChatMessageContent(
     type = CodeTransformChatMessageType.Prompt,
-    message = getUserLanguageUpgradeSelectionFormattedMarkdown(moduleName, targetJdkVersion)
+    message = getUserLanguageUpgradeSelectionFormattedMarkdown(moduleName)
 )
 
 fun buildCompileLocalInProgressChatContent() = CodeTransformChatMessageContent(

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/controller/CodeTransformChatController.kt

@@ -93,7 +93,6 @@
 import software.aws.toolkits.jetbrains.services.codemodernizer.model.CustomerSelection
 import software.aws.toolkits.jetbrains.services.codemodernizer.model.DownloadArtifactResult
 import software.aws.toolkits.jetbrains.services.codemodernizer.model.DownloadFailureReason
-import software.aws.toolkits.jetbrains.services.codemodernizer.model.InvalidTelemetryReason
 import software.aws.toolkits.jetbrains.services.codemodernizer.model.JobId
 import software.aws.toolkits.jetbrains.services.codemodernizer.model.MAVEN_BUILD_RUN_UNIT_TESTS
 import software.aws.toolkits.jetbrains.services.codemodernizer.model.MAVEN_BUILD_SKIP_UNIT_TESTS
@@ -116,7 +115,6 @@
 import software.aws.toolkits.jetbrains.services.codewhisperer.telemetry.broadcastQEvent
 import software.aws.toolkits.jetbrains.services.cwc.messages.ChatMessageType
 import software.aws.toolkits.resources.message
-import software.aws.toolkits.telemetry.CodeTransformPreValidationError
 
 class CodeTransformChatController(
     private val context: AmazonQAppInitContext,
@@ -300,28 +298,14 @@
         val moduleVirtualFile: VirtualFile = modulePath.toVirtualFile() as VirtualFile
         val moduleName = context.project.getModuleOrProjectNameForFile(moduleVirtualFile)
 
-        codeTransformChatHelper.addNewMessage(buildUserLanguageUpgradeSelectionSummaryChatContent(moduleName, targetVersion))
+        codeTransformChatHelper.addNewMessage(buildUserLanguageUpgradeSelectionSummaryChatContent(moduleName))
 
         val sourceJdk = getSourceJdk(moduleVirtualFile)
 
-        val sourceVersion = sourceJdk.toString()
-
-        if (sourceVersion == JavaSdkVersion.JDK_21.toString() && targetVersion == JavaSdkVersion.JDK_17.toString()) {
-            codeTransformChatHelper.addNewMessage(
-                buildProjectInvalidChatContent(
-                    ValidationResult(
-                        false,
-                        InvalidTelemetryReason(CodeTransformPreValidationError.JavaDowngradeAttempt)
-                    )
-                )
-            )
-            return
-        }
-
         val selection = CustomerSelection(
             configurationFile = moduleVirtualFile,
             sourceJavaVersion = sourceJdk,
-            targetJavaVersion = if (targetVersion == JavaSdkVersion.JDK_17.toString()) JavaSdkVersion.JDK_17 else JavaSdkVersion.JDK_21,
+            targetJavaVersion = JavaSdkVersion.JDK_17,
         )
 
         // Create and set a session
@@ -403,9 +387,8 @@
         codeModernizerManager.codeTransformationSession?.let {
             it.sessionContext.customBuildCommand = customBuildCommand
         }
-        val targetJdkVersion = codeModernizerManager.codeTransformationSession?.sessionContext?.targetJavaVersion?.name.orEmpty()
         codeTransformChatHelper.run {
-            addNewMessage(buildUserInputOneOrMultipleDiffsChatIntroContent(targetJdkVersion))
+            addNewMessage(buildUserInputOneOrMultipleDiffsChatIntroContent())
             addNewMessage(buildUserInputOneOrMultipleDiffsFlagChatContent())
         }
     }

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/model/CodeModernizerSessionContext.kt

@@ -63,7 +63,7 @@
     val project: Project,
     var configurationFile: VirtualFile? = null, // used to ZIP module
     val sourceJavaVersion: JavaSdkVersion, // always needed for startJob API
-    val targetJavaVersion: JavaSdkVersion, // 17 or 21
+    val targetJavaVersion: JavaSdkVersion = JavaSdkVersion.JDK_17, // only one supported
     var transformCapabilities: List<String> = listOf(EXPLAINABILITY_V1),
     var customBuildCommand: String = MAVEN_BUILD_RUN_UNIT_TESTS, // run unit tests by default
     val sourceVendor: String = ORACLE_DB, // only one supported

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/model/CustomerSelection.kt

@@ -10,7 +10,7 @@
 data class CustomerSelection(
     val configurationFile: VirtualFile? = null, // used to ZIP module
     val sourceJavaVersion: JavaSdkVersion, // always needed, use default of JDK_8 for SQL conversions for startJob API call
-    val targetJavaVersion: JavaSdkVersion, // 17 or 21
+    val targetJavaVersion: JavaSdkVersion = JavaSdkVersion.JDK_17,
     val sourceVendor: String = ORACLE_DB, // only one supported
     val targetVendor: String? = null,
     val sourceServerName: String? = null,

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/utils/CodeTransformUtils.kt

@@ -80,6 +80,5 @@ fun String.toTransformationLanguage() = when (this) {
     "JDK_1_8" -> TransformationLanguage.JAVA_8
     "JDK_11" -> TransformationLanguage.JAVA_11
     "JDK_17" -> TransformationLanguage.JAVA_17
-    "JDK_21" -> TransformationLanguage.JAVA_21
     else -> TransformationLanguage.UNKNOWN_TO_SDK_VERSION
 }

plugins/amazonq/codetransform/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codemodernizer/CodeWhispererCodeModernizerGumbyClientTest.kt

@@ -136,7 +136,7 @@ class CodeWhispererCodeModernizerGumbyClientTest : CodeWhispererCodeModernizerTe
     }
 
     @Test
-    fun `check startCodeModernization on JAVA_17 target`() {
+    fun `check startCodeModernization`() {
         val actual = gumbyClient.startCodeModernization("jobId", TransformationLanguage.JAVA_8, TransformationLanguage.JAVA_17)
         argumentCaptor<StartTransformationRequest>().apply {
             verify(bearerClient).startTransformation(capture())
@@ -146,17 +146,6 @@ class CodeWhispererCodeModernizerGumbyClientTest : CodeWhispererCodeModernizerTe
         }
     }
 
-    @Test
-    fun `check startCodeModernization on JAVA_21 target`() {
-        val actual = gumbyClient.startCodeModernization("jobId", TransformationLanguage.JAVA_8, TransformationLanguage.JAVA_21)
-        argumentCaptor<StartTransformationRequest>().apply {
-            verify(bearerClient).startTransformation(capture())
-            verifyNoInteractions(streamingBearerClient)
-            assertThat(actual).isInstanceOf(StartTransformationResponse::class.java)
-            assertThat(actual).usingRecursiveComparison().comparingOnlyFields("transformationJobId").isEqualTo(exampleStartCodeMigrationResponse)
-        }
-    }
-
     @Test
     fun `check getCodeModernizationPlan`() {
         val actual = gumbyClient.getCodeModernizationPlan(JobId("JobId"))

plugins/amazonq/mynah-ui/src/mynah-ui/ui/apps/codeTransformChatConnector.ts

@@ -244,7 +244,7 @@ export class CodeTransformChatConnector {
                 tabID,
                 tabType: 'codetransform',
                 modulePath: action.formItemValues?.module,
-                targetVersion: action.formItemValues?.targetVersion,
+                targetVersion: 'Java 17',
             })
         } else if (action.id === FormButtonIds.CodeTransformInputSQLMetadata) {
             this.sendMessageToExtension({