perf: use incremental build by default

package.json

@@ -162,6 +162,16 @@
         "title": "%contributes.commands.java.project.build.workspace%",
         "icon": "$(tools)"
       },
+      {
+        "command": "java.project.rebuild.workspace",
+        "title": "%contributes.commands.java.project.rebuild.workspace%",
+        "icon": "$(refresh)"
+      },
+      {
+        "command": "java.project.build.project",
+        "title": "%contributes.commands.java.project.build.project%",
+        "category": "Java"
+      },
       {
         "command": "java.project.clean.workspace",
         "title": "%contributes.commands.java.project.clean.workspace%"
@@ -178,7 +188,8 @@
       },
       {
         "command": "java.project.rebuild",
-        "title": "%contributes.commands.java.project.rebuild%"
+        "title": "%contributes.commands.java.project.rebuild%",
+        "category": "Java"
       },
       {
         "command": "java.view.package.revealInProjectExplorer",
@@ -732,6 +743,11 @@
           "when": "view == javaProjectExplorer && java:serverMode == Standard && config.java.project.explorer.showNonJavaResources",
           "group": "overflow_10@30"
         },
+        {
+          "command": "java.project.rebuild.workspace",
+          "when": "view == javaProjectExplorer && java:serverMode == Standard && !java:noJavaProjects && !java:importFailed",
+          "group": "overflow_20@5"
+        },
         {
           "command": "java.project.clean.workspace",
           "when": "view == javaProjectExplorer && java:serverMode == Standard && !java:noJavaProjects",
@@ -790,7 +806,7 @@
           "group": "7_modification@20"
         },
         {
-          "command": "java.project.build.workspace",
+          "command": "java.project.build.project",
           "when": "view == javaProjectExplorer && viewItem =~ /java:project(?=.*?\\b\\+java\\b)(?=.*?\\b\\+uri\\b)/",
           "group": "8_execution@5"
         },
@@ -1075,7 +1091,7 @@
           },
           "isFullBuild": {
             "type": "boolean",
-            "default": "true",
+            "default": false,
             "description": "%taskDefinitions.java.project.build.isFullBuild%"
           }
         }

package.nls.json

@@ -6,7 +6,9 @@
   "contributes.commands.java.project.addLibraryFolders": "Add Library Folders to Project Classpath...",
   "contributes.commands.java.project.removeLibrary": "Remove from Project Classpath",
   "contributes.commands.java.view.package.refresh": "Refresh",
-  "contributes.commands.java.project.build.workspace": "Rebuild All",
+  "contributes.commands.java.project.build.workspace": "Build All",
+  "contributes.commands.java.project.rebuild.workspace": "Rebuild All",
+  "contributes.commands.java.project.build.project": "Build Project",
   "contributes.commands.java.project.clean.workspace": "Clean Workspace",
   "contributes.commands.java.project.rebuild": "Rebuild Project",
   "contributes.commands.java.project.update": "Reload Project",

package.nls.zh-cn.json

@@ -6,7 +6,9 @@
   "contributes.commands.java.project.addLibraryFolders": "添加文件夹至项目 Classpath...",
   "contributes.commands.java.project.removeLibrary": "从项目 Classpath 中移除",
   "contributes.commands.java.view.package.refresh": "刷新",
-  "contributes.commands.java.project.build.workspace": "重新构建所有项目",
+  "contributes.commands.java.project.build.workspace": "构建所有项目",
+  "contributes.commands.java.project.rebuild.workspace": "重新构建所有项目",
+  "contributes.commands.java.project.build.project": "构建项目",
   "contributes.commands.java.project.clean.workspace": "清理工作空间",
   "contributes.commands.java.project.rebuild": "重新构建项目",
   "contributes.commands.java.project.update": "重新加载项目",
@@ -56,7 +58,7 @@
   "taskDefinitions.java.project.build.path": "被构建项目的根目录路径。绝对路径或者相对于工作空间目录的相对路径都可以使用。",
   "taskDefinitions.java.project.build.path.workspace": "工作空间中的所有项目。",
   "taskDefinitions.java.project.build.path.exclude": "'!' 后的路径将会从待构建项目路径中移除。",
-  "taskDefinitions.java.project.build.isFullBuild": "是否要重新构建项目。",
+  "taskDefinitions.java.project.build.isFullBuild": "是否要执行清理构建。",
   "viewsWelcome.workbench.createNewJavaProject": "您也可以[打开一个 Java 项目目录](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.from.fileexplorer.welcome)",
   "viewsWelcome.workbench.noJavaProject": "当前工作空间未发现 Java 项目，您可以[打开一个 Java 项目目录](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.from.javaprojectexplorer.welcome)",
   "viewsWelcome.workbench.importFailed": "加载 Java 项目时出现错误，请通过以下方式查看错误相关信息：\n[打开问题视图](command:workbench.panel.markers.view.focus)",

package.nls.zh-tw.json

@@ -6,7 +6,9 @@
   "contributes.commands.java.project.addLibraryFolders": "新增資料夾至專案 Classpath...",
   "contributes.commands.java.project.removeLibrary": "從專案 Classpath 中移除",
   "contributes.commands.java.view.package.refresh": "重新整理",
-  "contributes.commands.java.project.build.workspace": "重新建置所有專案",
+  "contributes.commands.java.project.build.workspace": "建置所有專案",
+  "contributes.commands.java.project.rebuild.workspace": "重新建置所有專案",
+  "contributes.commands.java.project.build.project": "建置專案",
   "contributes.commands.java.project.clean.workspace": "清理工作區",
   "contributes.commands.java.project.rebuild": "重新建置專案",
   "contributes.commands.java.project.update": "重新載入專案",
@@ -48,10 +50,10 @@
   "taskDefinitions.java.project.build.path": "被建置專案的根目錄路徑。絕對路徑或者相對於工作區目錄的相對路徑都可以使用。",
   "taskDefinitions.java.project.build.path.workspace": "工作區中的所有專案。",
   "taskDefinitions.java.project.build.path.exclude": "'!' 後的路徑將會從待建置專案路徑中移除。",
-  "taskDefinitions.java.project.build.isFullBuild": "是否要重新建置專案。",
+  "taskDefinitions.java.project.build.isFullBuild": "是否要執行清理建置。",
   "viewsWelcome.workbench.createNewJavaProject": "您也可以[開啟一個 Java 專案目錄](command:_java.project.open)，或點擊下方按鈕建立一個新的 Java 專案。\n[建立 Java 專案](command:_java.project.create.from.fileexplorer.welcome)",
   "viewsWelcome.workbench.noJavaProject": "當前工作區未發現 Java 專案，您可以[開啟一個 Java 專案目錄](command:_java.project.open)，或點擊下方按鈕建立一個新的 Java 專案。\n[建立 Java 專案](command:_java.project.create.from.javaprojectexplorer.welcome)",
   "viewsWelcome.workbench.importFailed": "加載 Java 專案時出現錯誤，請通過以下方式查看錯誤相關信息：\n[打開問題視圖](command:workbench.panel.markers.view.focus)",
   "viewsWelcome.workbench.inLightWeightMode": "若要檢視各專案，你可以將專案匯入到工作區中。\n[匯入專案](command:java.server.mode.switch?%5B%22Standard%22,true%5D)",
   "viewsWelcome.workbench.installLanguageSupport": "Java 專案視圖需要安裝並啟用 [Extension Pack for Java](command:extension.open?%5B%22vscjava.vscode-java-pack%22%5D) 以提供完整的功能。\n[安裝](command:java.project.installExtension?%5B%22vscjava.vscode-java-pack%22%5D)"
-}
+}

src/commands.ts

@@ -98,6 +98,10 @@ export namespace Commands {
 
     export const JAVA_PROJECT_BUILD_WORKSPACE = "java.project.build.workspace";
 
+    export const JAVA_PROJECT_REBUILD_WORKSPACE = "java.project.rebuild.workspace";
+
+    export const JAVA_PROJECT_BUILD_PROJECT = "java.project.build.project";
+
     export const JAVA_PROJECT_CLEAN_WORKSPACE = "java.project.clean.workspace";
 
     export const JAVA_PROJECT_UPDATE = "java.project.update";

src/tasks/build/buildTaskProvider.ts

@@ -28,7 +28,7 @@ export class BuildTaskProvider implements TaskProvider {
         const defaultTaskDefinition = {
             type: BuildTaskProvider.type,
             paths: [ BuildTaskProvider.workspace ],
-            isFullBuild: true,
+            isFullBuild: false,
         };
         const defaultTask = new Task(
             defaultTaskDefinition,
@@ -58,6 +58,9 @@ export class BuildTaskProvider implements TaskProvider {
                 .filter(Boolean);
             task.definition = taskDefinition;
         }
+        if (taskDefinition.isFullBuild === undefined) {
+            taskDefinition.isFullBuild = false;
+        }
         task.execution = new CustomExecution(async (resolvedDefinition: IBuildTaskDefinition): Promise<Pseudoterminal> => {
             return new BuildTaskTerminal(resolvedDefinition, task.scope ?? TaskScope.Workspace);
         });

src/views/dependencyDataProvider.ts

@@ -60,6 +60,8 @@ export class DependencyDataProvider implements TreeDataProvider<ExplorerNode> {
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.VIEW_PACKAGE_OUTLINE, (uri, range) =>
             window.showTextDocument(Uri.parse(uri), { selection: range })));
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_BUILD_WORKSPACE, () =>
+            commands.executeCommand(Commands.JAVA_BUILD_WORKSPACE, false /*fullCompile*/)));
+        context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_REBUILD_WORKSPACE, () =>
             commands.executeCommand(Commands.JAVA_BUILD_WORKSPACE, true /*fullCompile*/)));
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_CLEAN_WORKSPACE, () =>
             commands.executeCommand(Commands.JAVA_CLEAN_WORKSPACE)));
@@ -75,13 +77,21 @@ export class DependencyDataProvider implements TreeDataProvider<ExplorerNode> {
                 commands.executeCommand(Commands.JAVA_PROJECT_CONFIGURATION_UPDATE, uris[0]);
             }
         }));
-        context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_REBUILD, async (node: INodeData) => {
+        context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_BUILD_PROJECT, async (node: INodeData) => {
             if (!node.uri) {
                 sendError(new Error("Uri not available when building project"));
-                window.showErrorMessage("The URI of the project is not available, you can try to trigger the command 'Java: Rebuild Projects' from Command Palette.");
+                window.showErrorMessage("The URI of the project is not available, you can try to trigger the command 'Java: Build Project' from Command Palette.");
+                return;
+            }
+            return commands.executeCommand(Commands.BUILD_PROJECT, Uri.parse(node.uri), false /*isFullBuild*/);
+        }));
+        context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_REBUILD, async (node: INodeData) => {
+            if (!node.uri) {
+                sendError(new Error("Uri not available when rebuilding project"));
+                window.showErrorMessage("The URI of the project is not available, you can try to trigger the command 'Java: Rebuild Project' from Command Palette.");
                 return;
             }
-            commands.executeCommand(Commands.BUILD_PROJECT, Uri.parse(node.uri), true);
+            return commands.executeCommand(Commands.BUILD_PROJECT, Uri.parse(node.uri), true /*isFullBuild*/);
         }));
 
         this.setRefreshDebounceFunc();

test/suite/buildTask.test.ts

@@ -22,6 +22,19 @@ suite("Build Task Tests", () => {
                 && t.source === BuildTaskProvider.type;
         });
         assert.ok(exportJarTask !== undefined);
+        assert.strictEqual(exportJarTask.definition.isFullBuild, false);
+    });
+
+    test("test resolving build task defaults to incremental build", async function() {
+        const task: Task = new Task({
+            type: BuildTaskProvider.type,
+            paths: [ BuildTaskProvider.workspace ],
+        }, TaskScope.Workspace, BuildTaskProvider.defaultTaskName, BuildTaskProvider.type);
+
+        const resolvedTask: Task | undefined = await new BuildTaskProvider().resolveTask(task);
+
+        assert.ok(resolvedTask !== undefined);
+        assert.strictEqual(resolvedTask.definition.isFullBuild, false);
     });
 
     test("test categorizePaths()", async function() {