POC with output consumer.

src/commands/consumers.ts

@@ -49,8 +49,6 @@ export class StartConsumerCommandHandler {
             this.consumerCollection.create(consumeUri);
             this.explorer.refresh();
         }
-
-        return openDocument(consumeUri);
     }
 }
 

src/commands/producers.ts

@@ -9,7 +9,7 @@ import { WorkspaceSettings } from "../settings";
 
 export class ProduceRecordCommandHandler {
     constructor(
-        private clientAccessor: ClientAccessor, 
+        private clientAccessor: ClientAccessor,
         private channelProvider: OutputChannelProvider,
         private explorer: KafkaExplorer,
         private settings: WorkspaceSettings
@@ -40,10 +40,11 @@ export class ProduceRecordCommandHandler {
         const producer = client.producer;
         await producer.connect();
 
-        channel.show(false);
+        // FIXME : show the channel only if there are none consumer output which are opened
+        // channel.show(false);
         channel.appendLine(`Producing record(s)`);
         const startOperation = performance.now();
-        
+
         try {
             await producer.send({
                 topic: topic,

src/extension.ts

@@ -18,12 +18,13 @@ import {
 } from "./commands";
 import { Context } from "./context";
 import { BrokerItem, KafkaExplorer, TopicItem } from "./explorer";
-import { ConsumerVirtualTextDocumentProvider, OutputChannelProvider, ProducerCodeLensProvider } from "./providers";
+import { OutputChannelProvider, ProducerCodeLensProvider } from "./providers";
 import { getClusterSettings, getWorkspaceSettings } from "./settings";
 import { ClusterItem } from "./explorer/models/cluster";
 import { TopicGroupItem } from "./explorer/models/topics";
 import { ConsumerStatusBarItem } from "./views/consumerStatusBarItem";
 import { SelectedClusterStatusBarItem } from "./views/selectedClusterStatusBarItem";
+import { ConsumerOutputRegistry } from "./output/consumerOutputRegistry";
 
 export function activate(context: vscode.ExtensionContext): void {
     Context.register(context);
@@ -113,9 +114,7 @@ export function activate(context: vscode.ExtensionContext): void {
     context.subscriptions.push(
         vscode.languages.registerCodeLensProvider(documentSelector, new ProducerCodeLensProvider()));
 
-    context.subscriptions.push(vscode.workspace.registerTextDocumentContentProvider(
-        ConsumerVirtualTextDocumentProvider.SCHEME,
-        new ConsumerVirtualTextDocumentProvider(consumerCollection)));
+    context.subscriptions.push(new ConsumerOutputRegistry(consumerCollection, outputChannelProvider));
 }
 
 export function deactivate(): void {

src/output/consumerOutputRegistry.ts

@@ -0,0 +1,106 @@
+import * as vscode from "vscode";
+import { ConsumedRecord, ConsumerChangedStatusEvent, ConsumerCollection, ConsumerCollectionChangedEvent, RecordReceivedEvent } from "../client";
+import { OutputChannelProvider } from "../providers/outputChannelProvider";
+
+class ConsumerOutput {
+    private channel: vscode.OutputChannel;
+    constructor(uri: vscode.Uri, registry: ConsumerOutputRegistry) {
+
+        this.channel = registry.getChannel(`Kafka Consumer [${uri.path}]`);
+
+    }
+
+    public show(): void {
+        this.channel.show();
+    }
+
+    public sendText(data: string) {
+        this.channel.appendLine(data);
+    }
+}
+
+export class ConsumerOutputRegistry implements vscode.Disposable {
+    getChannel(name: string): vscode.OutputChannel {
+        return this.channelProvider.getChannel(name);
+    }
+
+    private kafkaConsumers: { [id: string /* vscode URI */]: ConsumerOutput } = {};
+    private disposables: vscode.Disposable[] = [];
+
+    constructor(private consumerCollection: ConsumerCollection, private channelProvider: OutputChannelProvider) {
+
+        this.disposables.push(this.consumerCollection.onDidChangeCollection((event: ConsumerCollectionChangedEvent) => {
+            for (const startedUri of event.created) {
+                this.showConsumer(startedUri);
+                this.onDidChangeStatus(startedUri, 'started');
+                this.attachToConsumer(startedUri);
+            }
+
+            for (const closedUri of event.closed) {
+                this.onDidCloseConsumer(closedUri);
+            }
+        }));
+    }
+
+    private showConsumer(uri: vscode.Uri): void {
+        let consumer = this.kafkaConsumers[uri.toString()];
+        if (!consumer) {
+            consumer = new ConsumerOutput(uri, this);
+            this.kafkaConsumers[uri.toString()] = consumer;
+            consumer.show();
+        }
+    }
+
+    public dispose(): void {
+        this.consumerCollection.dispose();
+        this.disposables.forEach(d => d.dispose());
+    }
+
+
+    private attachToConsumer(uri: vscode.Uri): void {
+        const consumer = this.consumerCollection.get(uri);
+
+        if (consumer === null) {
+            return;
+        }
+
+        this.disposables.push(consumer.onDidReceiveRecord((arg: RecordReceivedEvent) => {
+            this.onDidReceiveRecord(arg.uri, arg.record);
+        }));
+
+        this.disposables.push(consumer.onDidChangeStatus((arg: ConsumerChangedStatusEvent) => {
+            this.onDidChangeStatus(arg.uri, arg.status);
+        }));
+    }
+
+    private onDidChangeStatus(uri: vscode.Uri, status: string): void {
+        const consumer = this.kafkaConsumers[uri.toString()];
+        if (consumer) {
+            consumer.sendText(`Consumer: ${status}`);
+        }
+    }
+
+    private onDidReceiveRecord(uri: vscode.Uri, message: ConsumedRecord): void {
+        const consumer = this.kafkaConsumers[uri.toString()];
+        if (consumer) {
+            consumer.sendText(``);
+            consumer.sendText(`Key: ${message.key}`);
+            consumer.sendText(`Partition: ${message.partition}`);
+            consumer.sendText(`Offset: ${message.offset}`);
+            consumer.sendText(`Value:`);
+            consumer.sendText(`${message.value}`);
+        }
+    }
+
+    private onDidCloseConsumer(uri: vscode.Uri): void {
+        this.onDidChangeStatus(uri, 'closed');
+    }
+
+    disposeConsumer(uri: vscode.Uri): void {
+        delete this.kafkaConsumers[uri.toString()];
+        if (this.consumerCollection.has(uri)) {
+            this.consumerCollection.close(uri);
+        }
+    }
+
+}

src/providers/index.ts

@@ -1,3 +1,2 @@
-export * from "./consumerVirtualTextDocumentProvider";
 export * from "./outputChannelProvider";
 export * from "./producerCodeLensProvider";