dispose the telemetry reporter (#446)

src/extension.ts

@@ -44,6 +44,7 @@ function initializeExtension(operationId: string, context: vscode.ExtensionConte
         });
     });
 
+    context.subscriptions.push(logger);
     context.subscriptions.push(vscode.debug.registerDebugConfigurationProvider("java", new JavaDebugConfigurationProvider()));
     context.subscriptions.push(instrumentAndRegisterCommand("JavaDebug.SpecifyProgramArgs", async () => {
         return specifyProgramArguments(context);

src/logger.ts

@@ -11,7 +11,7 @@ export enum Type {
     ACTIVATEEXTENSION = "activateExtension", // TODO: Activation belongs to usage data, remove this category.
 }
 
-class Logger {
+class Logger implements vscode.Disposable {
     private reporter: TelemetryReporter = null;
 
     public initialize(context: vscode.ExtensionContext): void {
@@ -43,6 +43,12 @@ class Logger {
     public logMessage(type: Type, message: string): void {
         this.log(type, { message });
     }
+
+    public dispose() {
+        if (this.reporter) {
+            this.reporter.dispose();
+        }
+    }
 }
 
 export const logger = new Logger();