Fix for Null Pointer Exception error in the editor created event. (#4562)

Author: ashishrp-aws

.changes/next-release/bugfix-8ded9b7b-7f3a-45c8-a480-974e2d0ac4a6.json

@@ -0,0 +1,4 @@
+{
+  "type" : "bugfix",
+  "description" : "Resolve a NullPointerException that could occur while handling editor creation event. (#4554)"
+}

plugins/toolkit/jetbrains-core/src/software/aws/toolkits/jetbrains/services/codewhisperer/codescan/CodeWhispererCodeScanManager.kt

@@ -26,6 +26,7 @@ import com.intellij.openapi.ui.MessageDialogBuilder
 import com.intellij.openapi.util.Disposer
 import com.intellij.openapi.util.TextRange
 import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.openapi.vfs.isFile
 import com.intellij.refactoring.suggested.range
 import com.intellij.ui.content.ContentManagerEvent
 import com.intellij.ui.content.ContentManagerListener
@@ -234,7 +235,7 @@ class CodeWhispererCodeScanManager(val project: Project) {
             language = selectedFile?.programmingLanguage() ?: CodeWhispererUnknownLanguage.INSTANCE
             if (scope == CodeWhispererConstants.CodeAnalysisScope.FILE &&
                 (
-                    selectedFile == null || !language.isAutoFileScanSupported() ||
+                    selectedFile == null || !language.isAutoFileScanSupported() || !selectedFile.isFile ||
                         runReadAction { (codeScanSessionConfig.fileIndex.isInLibrarySource(selectedFile)) } ||
                         selectedFile.fileSystem.protocol == "remoteDeploymentFS"
                     )

plugins/toolkit/jetbrains-core/src/software/aws/toolkits/jetbrains/services/codewhisperer/codescan/listeners/CodeWhispererCodeScanFileListener.kt

@@ -6,7 +6,6 @@ package software.aws.toolkits.jetbrains.services.codewhisperer.codescan.listener
 import com.intellij.openapi.editor.event.EditorFactoryEvent
 import com.intellij.openapi.editor.event.EditorFactoryListener
 import com.intellij.openapi.project.Project
-import com.intellij.openapi.vfs.isFile
 import software.aws.toolkits.jetbrains.services.codewhisperer.codescan.CodeWhispererCodeScanManager
 import software.aws.toolkits.jetbrains.services.codewhisperer.explorer.CodeWhispererExplorerActionManager
 import software.aws.toolkits.jetbrains.services.codewhisperer.explorer.isUserBuilderId
@@ -15,7 +14,15 @@ import software.aws.toolkits.jetbrains.services.codewhisperer.util.CodeWhisperer
 internal class CodeWhispererCodeScanFileListener(val project: Project) : EditorFactoryListener {
     override fun editorCreated(event: EditorFactoryEvent) {
         val actionManager = CodeWhispererExplorerActionManager.getInstance()
-        if (event.editor.virtualFile.isFile && event.editor.project == project && actionManager.isAutoEnabledForCodeScan() &&
+
+        if (event.editor.virtualFile == null) {
+            return
+        }
+        if (event.editor.project != project) {
+            return
+        }
+
+        if (actionManager.isAutoEnabledForCodeScan() &&
             !actionManager.isMonthlyQuotaForCodeScansExceeded() && !isUserBuilderId(project)
         ) {
             CodeWhispererCodeScanManager.getInstance(project).createDebouncedRunCodeScan(CodeWhispererConstants.CodeAnalysisScope.FILE)