Split up ext host <-> main thread communication to separate files

src/vs/workbench/api/node/mainThreadStorage.ts

@@ -0,0 +1,41 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import {TPromise} from 'vs/base/common/winjs.base';
+import {IStorageService, StorageScope} from 'vs/platform/storage/common/storage';
+
+export class MainThreadStorage {
+
+	private _storageService: IStorageService;
+
+	constructor( @IStorageService storageService: IStorageService) {
+		this._storageService = storageService;
+	}
+
+	getValue<T>(shared: boolean, key: string): TPromise<T> {
+		let jsonValue = this._storageService.get(key, shared ? StorageScope.GLOBAL : StorageScope.WORKSPACE);
+		if (!jsonValue) {
+			return TPromise.as(undefined);
+		}
+		let value: T;
+		try {
+			value = JSON.parse(jsonValue);
+			return TPromise.as(value);
+		} catch (err) {
+			return TPromise.wrapError(err);
+		}
+	}
+
+	setValue(shared: boolean, key: string, value: any): TPromise<any> {
+		let jsonValue: any;
+		try {
+			jsonValue = JSON.stringify(value);
+			this._storageService.store(key, jsonValue, shared ? StorageScope.GLOBAL : StorageScope.WORKSPACE);
+		} catch (err) {
+			return TPromise.wrapError(err);
+		}
+	}
+}