Fix: add bsp dispose method (#1543)

Author: Jiaaming

extension/src/bs/BspProxy.ts

@@ -86,4 +86,10 @@ export class BspProxy {
             // TODO: Implement more specific error handling logic here
         });
     }
+
+    public closeConnection(): void {
+        this.buildServerConnector.close();
+        this.jdtlsImporterConnector.close();
+        this.logger.info("Build Server connection closed");
+    }
 }

extension/src/bs/BuildServerConnector.ts

@@ -34,4 +34,10 @@ export class BuildServerConnector {
     public getServerPipePath(): string {
         return this.serverPipePath;
     }
+
+    public close(): void {
+        this.serverConnection?.end();
+        this.serverConnection?.dispose();
+        this.serverPipeServer.close();
+    }
 }

extension/src/bs/JdtlsImporterConnector.ts

@@ -68,4 +68,10 @@ export class JdtlsImporterConnector {
     public getImporterConnection(): rpc.MessageConnection | null {
         return this.importerConnection;
     }
+
+    public close(): void {
+        this.importerConnection?.end();
+        this.importerConnection?.dispose();
+        this.importerPipeServer.close();
+    }
 }

extension/src/server/GradleServer.ts

@@ -88,6 +88,7 @@ export class GradleServer {
                 this._onDidStop.fire(null);
                 this.ready = false;
                 this.process?.removeAllListeners();
+                this.bspProxy.closeConnection();
                 if (this.restarting) {
                     this.restarting = false;
                     await this.start();
@@ -163,6 +164,7 @@ export class GradleServer {
     }
 
     public async asyncDispose(): Promise<void> {
+        this.bspProxy.closeConnection();
         this.process?.removeAllListeners();
         await this.killProcess();
         this.ready = false;