microsoft · jdneo · Dec 7, 2020 · Dec 4, 2020
diff --git a/extension.bundle.ts b/extension.bundle.ts
@@ -20,4 +20,4 @@ export { WorkspaceNode } from "./src/views/workspaceNode";
 export { contextManager } from "./src/contextManager";
 export { DependencyExplorer } from "./src/views/dependencyExplorer";
 export { Commands } from "./src/commands";
-export { LanguageServerMode } from "./src/extension";
+export { LanguageServerMode } from "./src/languageServerApi/LanguageServerMode";
diff --git a/gulpfile.js b/gulpfile.js
@@ -16,7 +16,6 @@ gulp.task('build_server', () => {
 
     return gulp.src([
         server_dir + '/com.microsoft.jdtls.ext.core/target/com.microsoft.jdtls.ext.core*.jar',
-        server_dir + '/com.microsoft.jdtls.ext.activator/target/com.microsoft.jdtls.ext.activator*.jar',
       ])
       .pipe(gulp.dest('./server'))
 });

diff --git a/package.json b/package.json
@@ -21,18 +21,15 @@
   "homepage": "https://github.com/Microsoft/vscode-java-dependency/blob/master/README.md",
   "icon": "logo.png",
   "activationEvents": [
-    "onLanguage:java",
-    "workspaceContains:pom.xml",
-    "workspaceContains:.classpath",
-    "workspaceContains:build.gradle",
-    "onCommand:java.project.create"
+    "onCommand:java.project.create",
+    "onCommand:_java.project.open",
+    "onView:javaProjectExplorer"
   ],
   "license": "MIT",
   "main": "./main.js",
   "contributes": {
     "javaExtensions": [
-      "./server/com.microsoft.jdtls.ext.core-0.15.0.jar",
-      "./server/com.microsoft.jdtls.ext.activator-0.15.0.jar"
+      "./server/com.microsoft.jdtls.ext.core-0.15.0.jar"
     ],
     "commands": [
       {
@@ -216,64 +213,64 @@
         "key": "ctrl+alt+r",
         "win": "shift+alt+r",
         "mac": "cmd+alt+r",
-        "when": "java:projectManagerActivated && focusedView == javaProjectExplorer"
+        "when": "java:serverMode == Standard && focusedView == javaProjectExplorer"
       },
       {
         "command": "java.view.package.copyFilePath",
         "key": "ctrl+alt+c",
         "win": "shift+alt+c",
         "mac": "cmd+alt+c",
-        "when": "java:projectManagerActivated && focusedView == javaProjectExplorer"
+        "when": "java:serverMode == Standard && focusedView == javaProjectExplorer"
       },
       {
         "command": "java.view.package.copyRelativeFilePath",
         "key": "ctrl+shift+alt+c",
         "win": "ctrl+k ctrl+shift+c",
         "mac": "cmd+shift+alt+c",
-        "when": "java:projectManagerActivated && focusedView == javaProjectExplorer"
+        "when": "java:serverMode == Standard && focusedView == javaProjectExplorer"
       },
       {
         "command": "java.view.package.renameFile",
         "key": "F2",
         "mac": "enter",
-        "when": "java:projectManagerActivated && focusedView == javaProjectExplorer"
+        "when": "java:serverMode == Standard && focusedView == javaProjectExplorer"
       },
       {
         "command": "java.view.package.moveFileToTrash",
         "key": "delete",
         "mac": "cmd+backspace",
-        "when": "java:projectManagerActivated && focusedView == javaProjectExplorer"
+        "when": "java:serverMode == Standard && focusedView == javaProjectExplorer"
       }
     ],
     "menus": {
       "commandPalette": [
         {
           "command": "java.view.package.refresh",
-          "when": "java:projectManagerActivated && java:serverMode == Standard"
+          "when": "java:serverMode == Standard"
         },
         {
           "command": "java.view.package.changeToHierarchicalPackageView",
-          "when": "java:projectManagerActivated && java:serverMode == Standard"
+          "when": "java:serverMode == Standard"
         },
         {
           "command": "java.view.package.changeToFlatPackageView",
-          "when": "java:projectManagerActivated && java:serverMode == Standard"
+          "when": "java:serverMode == Standard"
         },
         {
           "command": "java.view.package.linkWithFolderExplorer",
-          "when": "java:projectManagerActivated && java:serverMode == Standard"
+          "when": "java:serverMode == Standard"
         },
         {
           "command": "java.view.package.unlinkWithFolderExplorer",
-          "when": "java:projectManagerActivated && java:serverMode == Standard"
+          "when": "java:serverMode == Standard"
         },
         {
           "command": "java.view.package.revealFileInOS",
           "when": "false"
         },
         {
           "command": "java.view.package.exportJar",
-          "when": "java:projectManagerActivated && java:serverMode == Standard"
+          "when": "java:serverMode == Standard"
         },
         {
           "command": "java.view.package.copyFilePath",
@@ -331,71 +328,71 @@
       "explorer/context": [
         {
           "command": "java.view.package.revealInProjectExplorer",
-          "when": "resourceFilename in java:supportedBuildFiles && java:projectManagerActivated && java:serverMode == Standard",
+          "when": "resourceFilename in java:supportedBuildFiles && java:serverMode == Standard",
           "group": "navigation@100"
         },
         {
           "command": "java.view.package.revealInProjectExplorer",
-          "when": "resourceExtname == .java && java:projectManagerActivated && java:serverMode == Standard",
+          "when": "resourceExtname == .java && java:serverMode == Standard",
           "group": "navigation@100"
         }
       ],
       "editor/title/context": [
         {
           "command": "java.view.package.revealInProjectExplorer",
-          "when": "resourceFilename in java:supportedBuildFiles && java:projectManagerActivated && java:serverMode == Standard",
+          "when": "resourceFilename in java:supportedBuildFiles && java:serverMode == Standard",
           "group": "2_files@100"
         },
         {
           "command": "java.view.package.revealInProjectExplorer",
-          "when": "resourceExtname == .java && java:projectManagerActivated && java:serverMode == Standard",
+          "when": "resourceExtname == .java && java:serverMode == Standard",
           "group": "2_files@100"
         }
       ],
       "view/title": [
         {
           "command": "java.project.create",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && java:serverMode == Standard",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard",
           "group": "navigation@10"
         },
         {
           "command": "java.view.package.exportJar",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && java:serverMode == Standard && workspaceFolderCount != 0",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && workspaceFolderCount != 0",
           "group": "navigation@20"
         },
         {
           "command": "java.view.package.refresh",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && java:serverMode == Standard",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard",
           "group": "navigation@30"
         },
         {
           "command": "java.view.package.changeToHierarchicalPackageView",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && config.java.dependency.packagePresentation == flat && java:serverMode == Standard",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && config.java.dependency.packagePresentation == flat",
           "group": "overflow_10@10"
         },
         {
           "command": "java.view.package.changeToFlatPackageView",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && config.java.dependency.packagePresentation != flat && java:serverMode == Standard",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && config.java.dependency.packagePresentation != flat",
           "group": "overflow_10@10"
         },
         {
           "command": "java.view.package.linkWithFolderExplorer",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && config.java.dependency.syncWithFolderExplorer != true && java:serverMode == Standard",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && config.java.dependency.syncWithFolderExplorer != true",
           "group": "overflow_10@20"
         },
         {
           "command": "java.view.package.unlinkWithFolderExplorer",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && config.java.dependency.syncWithFolderExplorer == true && java:serverMode == Standard",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && config.java.dependency.syncWithFolderExplorer == true",
           "group": "overflow_10@20"
         },
         {
           "command": "java.project.build.workspace",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && java:serverMode == Standard && workspaceFolderCount != 0",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && workspaceFolderCount != 0",
           "group": "overflow_20@10"
         },
         {
           "command": "java.project.clean.workspace",
-          "when": "view == javaProjectExplorer && java:projectManagerActivated && java:serverMode == Standard && workspaceFolderCount != 0",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && workspaceFolderCount != 0",
           "group": "overflow_20@20"
         }
       ],
@@ -496,20 +493,21 @@
       "explorer": [
         {
           "id": "javaProjectExplorer",
-          "name": "Java Projects"
+          "name": "Java Projects",
+          "when": "java:serverMode"
         }
       ]
     },
     "viewsWelcome": [
       {
-        "view": "javaProjectExplorer",
-        "contents": "No projects are listed because the Java Language Server is currently running in [LightWeight Mode](https://aka.ms/vscode-java-lightweight). To show projects, click on the button to switch to Standard Mode.\n[Switch to Standard Mode](command:java.server.mode.switch?%5B%22Standard%22,true%5D)",
-        "when": "java:serverMode == LightWeight"
+        "view": "explorer",
+        "contents": "%viewsWelcome.workbench.createNewJavaProject%",
+        "when": "workspaceFolderCount == 0"
       },
       {
         "view": "javaProjectExplorer",
-        "contents": "You can create a new Java project by clicking the below button.\n[Create new Java project](command:java.project.create)",
-        "when": "!java:projectManagerActivated || java:serverMode != Standard"
+        "contents": "%viewsWelcome.workbench.inLightWeightMode%",
+        "when": "java:serverMode == LightWeight"
       }
     ],
     "taskDefinitions": [

diff --git a/package.nls.json b/package.nls.json
@@ -35,5 +35,7 @@
   "taskDefinitions.java.project.exportJar.compileOutput": "The folders containing output class files in the runtime scope.",
   "taskDefinitions.java.project.exportJar.testCompileOutput": "The folders containing output class files in the test scope.",
   "taskDefinitions.java.project.exportJar.dependencies": "The artifact dependencies in the runtime scope.",
-  "taskDefinitions.java.project.exportJar.testDependencies": "The artifact dependencies in the test scope."
+  "taskDefinitions.java.project.exportJar.testDependencies": "The artifact dependencies in the test scope.",
+  "viewsWelcome.workbench.createNewJavaProject": "You can also [open a Java project](command:_java.project.open), or create a new Java project by clicking the below button.\n[Create Java Project](command:java.project.create)",
+  "viewsWelcome.workbench.inLightWeightMode": "No projects are listed because the Java Language Server is currently running in [LightWeight Mode](https://aka.ms/vscode-java-lightweight). To show projects, click on the button to switch to Standard Mode.\n[Switch to Standard Mode](command:java.server.mode.switch?%5B%22Standard%22,true%5D)"
 }
diff --git a/package.nls.zh.json b/package.nls.zh.json
@@ -35,5 +35,7 @@
   "taskDefinitions.java.project.exportJar.compileOutput": "在 runtime scope 内包含输出的 class 文件的文件夹。",
   "taskDefinitions.java.project.exportJar.testCompileOutput": "在 test scope 内包含输出的 class 文件的文件夹。",
   "taskDefinitions.java.project.exportJar.dependencies": "在 runtime scope 内的依赖。",
-  "taskDefinitions.java.project.exportJar.testDependencies": "在 test scope 内的依赖。"
+  "taskDefinitions.java.project.exportJar.testDependencies": "在 test scope 内的依赖。",
+  "viewsWelcome.workbench.createNewJavaProject": "您也可以[打开一个 Java 项目](command:_java.project.open)，或点击下方按钮创建一个新的 Java 项目。\n[创建 Java 项目](command:java.project.create)",
+  "viewsWelcome.workbench.inLightWeightMode": "由于 Java 语言服务正运行在 [LightWeight 模式](https://aka.ms/vscode-java-lightweight)下，因此项目将不会展示在该视图中。如果您需要展示项目信息，可以点击下方按钮将 Java 语言服务切换至 Standard 模式。\n[切换至 Standard 模式](command:java.server.mode.switch?%5B%22Standard%22,true%5D)"
 }
diff --git a/src/commands.ts b/src/commands.ts
@@ -42,6 +42,8 @@ export namespace Commands {
 
     export const VIEW_PACKAGE_REVEAL_IN_PROJECT_EXPLORER = "java.view.package.revealInProjectExplorer";
 
+    export const JAVA_PROJECT_OPEN = "_java.project.open";
+
     export const JAVA_PROJECT_CREATE = "java.project.create";
 
     export const JAVA_PROJECT_ADD_LIBRARIES = "java.project.addLibraries";
@@ -58,10 +60,6 @@ export namespace Commands {
 
     export const JAVA_PROJECT_EXPLORER_FOCUS = "javaProjectExplorer.focus";
 
-    export const JAVA_PROJECT_ACTIVATE = "java.project.activate";
-
-    export const JAVA_MAVEN_CREATE_PROJECT = "maven.archetype.generate";
-
     export const JAVA_PROJECT_LIST = "java.project.list";
 
     export const JAVA_PROJECT_REFRESH_LIB_SERVER = "java.project.refreshLib";
@@ -74,17 +72,24 @@ export namespace Commands {
 
     export const JAVA_PROJECT_GENERATEJAR = "java.project.generateJar";
 
-    export const VSCODE_OPEN_FOLDER = "vscode.openFolder";
-
-    export const VSCODE_OPEN = "vscode.open";
-
     export const JAVA_BUILD_WORKSPACE = "java.workspace.compile";
 
     export const JAVA_CLEAN_WORKSPACE = "java.clean.workspace";
 
     export const JAVA_PROJECT_CONFIGURATION_UPDATE = "java.projectConfiguration.update";
 
     export const JAVA_RESOLVE_BUILD_FILES = "vscode.java.resolveBuildFiles";
+
+    /**
+     * Commands from Visual Studio Code
+     */
+    export const VSCODE_OPEN_FOLDER = "vscode.openFolder";
+
+    export const VSCODE_OPEN = "vscode.open";
+
+    export const WORKBENCH_ACTION_FILES_OPENFOLDER = "workbench.action.files.openFolder";
+
+    export const WORKBENCH_ACTION_FILES_OPENFILEFOLDER = "workbench.action.files.openFileFolder";
 }
 
 export function executeJavaLanguageServerCommand(...rest) {

diff --git a/src/controllers/projectController.ts b/src/controllers/projectController.ts
@@ -16,13 +16,22 @@ export class ProjectController implements Disposable {
     public constructor(public readonly context: ExtensionContext) {
         this.disposable = Disposable.from(
             instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_CREATE, () => this.createJavaProject()),
+            instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_OPEN, () => this.openJavaProject()),
         );
     }
 
     public dispose() {
         this.disposable.dispose();
     }
 
+    public async openJavaProject() {
+        const availableCommands: string[] = await commands.getCommands();
+        if (availableCommands.includes(Commands.WORKBENCH_ACTION_FILES_OPENFOLDER)) {
+            return commands.executeCommand(Commands.WORKBENCH_ACTION_FILES_OPENFOLDER);
+        }
+        return commands.executeCommand(Commands.WORKBENCH_ACTION_FILES_OPENFILEFOLDER);
+    }
+
     public async createJavaProject() {
         const items: IProjectTypeQuickPick[] = projectTypes.map((type: IProjectType) => {
             return {

diff --git a/src/exportJarSteps/ExportJarTaskProvider.ts b/src/exportJarSteps/ExportJarTaskProvider.ts
@@ -11,9 +11,9 @@ import {
     TaskProvider, TaskRevealKind, tasks, TerminalDimensions, Uri, workspace, WorkspaceFolder,
 } from "vscode";
 import { buildWorkspace } from "../build";
-import { isStandardServerReady } from "../extension";
 import { Jdtls } from "../java/jdtls";
 import { INodeData } from "../java/nodeData";
+import { languageServerApiManager } from "../languageServerApi/languageServerApiManager";
 import { Settings } from "../settings";
 import { IUriData, Trie, TrieNode } from "../views/nodeCache/Trie";
 import { IClasspathResult } from "./GenerateJarExecutor";
@@ -31,7 +31,7 @@ interface IExportJarTaskDefinition extends TaskDefinition {
 let isExportingJar: boolean = false;
 
 export async function executeExportJarTask(node?: INodeData): Promise<void> {
-    if (!isStandardServerReady() || isExportingJar || await buildWorkspace() === false) {
+    if (!await languageServerApiManager.isStandardServerReady() || isExportingJar || await buildWorkspace() === false) {
         return;
     }
     isExportingJar = true;