Replace workspace.rootPath with workspaceFolder

src/controllers/projectController.ts

@@ -16,8 +16,9 @@ export class ProjectController {
         if (!javaVersion) {
             return;
         }
+        const workspaceFolder = Utility.getDefaultWorkspaceFolder();
         const location: Uri[] = await window.showOpenDialog({
-            defaultUri: workspace.rootPath ? Uri.file(workspace.rootPath) : undefined,
+            defaultUri: workspaceFolder && workspaceFolder.uri,
             canSelectFiles: false,
             canSelectFolders: true,
             openLabel: "Select the location",

src/utility.ts

@@ -2,7 +2,7 @@ import * as child_process from "child_process";
 import * as findJavaHome from "find-java-home";
 import * as fse from "fs-extra";
 import * as path from "path";
-import { Uri, workspace } from "vscode";
+import { Uri, window, workspace, WorkspaceFolder } from "vscode";
 import * as xml2js from "xml2js";
 
 export class Utility {
@@ -72,6 +72,21 @@ export class Utility {
         });
     }
 
+    public static getDefaultWorkspaceFolder(): WorkspaceFolder | undefined {
+        const workspaceFolders: WorkspaceFolder[] | undefined = workspace.workspaceFolders;
+        if (workspaceFolders === undefined) {
+            return undefined;
+        }
+        if (workspaceFolders.length === 1) {
+            return workspaceFolders[0];
+        }
+        if (window.activeTextEditor) {
+            const activeWorkspaceFolder: WorkspaceFolder | undefined = workspace.getWorkspaceFolder(window.activeTextEditor.document.uri);
+            return activeWorkspaceFolder;
+        }
+        return undefined;
+    }
+
     private static openJDKDownload(reject, cause) {
         let jdkUrl = "http://developers.redhat.com/products/openjdk/overview/?from=vscode";
         if (process.platform === "darwin") {