Add command to add JDK to settings

Signed-off-by: Thomas Mäder <t.s.maeder@gmail.com>

Author: tsmaeder

package.json

@@ -1752,6 +1752,11 @@
         "command": "java.action.showExtendedOutline",
         "title": "%java.action.showExtendedOutline%",
         "category": "Java"
+      }, 
+      {
+        "command": "java.runtimes.add",
+        "title": "%java.runtimes.add%",
+        "category": "Java"
       }
     ],
     "keybindings": [

package.nls.json

@@ -29,5 +29,6 @@
 	"java.action.filesExplorerPasteAction": "Paste Clipboard Text Into a File",
 	"java.action.doCleanup": "Performs Cleanup Actions",
 	"java.change.searchScope": "Change Search Scope",
-	"java.action.showExtendedOutline": "Open Extended Outline"
+	"java.action.showExtendedOutline": "Open Extended Outline",
+	"java.runtimes.add": "Add Java Runtime"
 }

src/extension.ts

@@ -39,6 +39,7 @@ import { BuildFileSelector, PICKED_BUILD_FILES, cleanupWorkspaceState } from './
 import { pasteFile } from './pasteAction';
 import { ServerStatusKind } from './serverStatus';
 import { TelemetryService } from '@redhat-developer/vscode-redhat-telemetry/lib/node';
+import { JavaRuntimes } from './javaRuntimes';
 
 const syntaxClient: SyntaxLanguageClient = new SyntaxLanguageClient();
 const standardClient: StandardLanguageClient = new StandardLanguageClient();
@@ -114,6 +115,7 @@ export function fixJdtLinksInDocumentation(oldDocumentation: MarkdownString): Ma
 
 export async function activate(context: ExtensionContext): Promise<ExtensionAPI> {
 	await loadSupportedJreNames(context);
+	await JavaRuntimes.initialize(context);
 	context.subscriptions.push(commands.registerCommand(Commands.FILESEXPLORER_ONPASTE, async () => {
 		const originalClipboard = await env.clipboard.readText();
 		// Hack in order to get path to selected folder if applicable (see https://github.com/microsoft/vscode/issues/3553#issuecomment-1098562676)

src/javaRuntimes.ts

@@ -0,0 +1,42 @@
+import { getRuntime } from "jdk-utils";
+import * as vscode from "vscode";
+import { getSupportedJreNames } from "./jdkUtils";
+
+
+export namespace JavaRuntimes {
+    export async function initialize(context: vscode.ExtensionContext): Promise<void> {
+        context.subscriptions.push(vscode.commands.registerCommand('java.runtimes.add', async () => {
+            const directory = await vscode.window.showOpenDialog({
+                canSelectFiles: false,
+                canSelectFolders: true,
+                canSelectMany: false,
+                title: 'Select JDK Directory',
+            });
+            if (directory) {
+                const runtime = await getRuntime(directory[0].fsPath);
+                if (runtime) {
+                    const config = vscode.workspace.getConfiguration('java.configuration').get('runtimes');
+                    if (Array.isArray(config)) {
+                        if (config.some(r => r.path === directory[0].fsPath)) {
+                            vscode.window.showErrorMessage(`JDK Directory ${directory[0].fsPath} already configured`);
+                        } else {
+                            const name = await vscode.window.showQuickPick(getSupportedJreNames(), {
+                                title: 'Select Java Runtime',
+                            });
+                            if (name) {
+                                config.push({
+                                    name: name,
+                                    path: directory[0].fsPath,
+                                });
+                            }
+                            vscode.workspace.getConfiguration('java.configuration').update('runtimes', config, vscode.ConfigurationTarget.Global);
+                            vscode.window.showInformationMessage(`JDK Directory ${directory[0].fsPath} added`);
+                        }
+                    }
+                } else {
+                    vscode.window.showErrorMessage(`Invalid JDK Directory ${directory[0].fsPath}`);
+                }
+            }
+        }));
+    }
+}