DEV2-2933 use java home (#1141)

* DEV2-2933 use java home

* remove last

* rename

* rename

.vscode/launch.json

@@ -10,7 +10,6 @@
       "args": [
         "--extensionDevelopmentPath=${workspaceRoot}",
         "--logPluginHostCommunication",
-        "--disable-extensions"
       ],
 
       "sourceMaps": true,

src/languages/index.ts

@@ -0,0 +1,8 @@
+import { getJavaHomePath } from "./java/JavaHome";
+
+export function getSDKPath(languageId: string): string | undefined {
+  if (languageId === "java") {
+    return getJavaHomePath();
+  }
+  return undefined;
+}

src/languages/java/JavaHome.ts

@@ -0,0 +1,19 @@
+import { extensions } from "vscode";
+
+interface RequirementsData {
+  tooling_jre: string;
+  tooling_jre_version: number;
+  java_home: string;
+  java_version: number;
+}
+interface JavaExtensionAPI {
+  readonly javaRequirement: RequirementsData;
+}
+
+export function getJavaHomePath(): string | undefined {
+  const javaExension = extensions.getExtension<JavaExtensionAPI>("redhat.java");
+  if (javaExension?.isActive) {
+    return javaExension.exports.javaRequirement.java_home;
+  }
+  return undefined;
+}

src/runCompletion.ts

@@ -12,6 +12,7 @@ import {
   MAX_NUM_RESULTS,
 } from "./globals/consts";
 import languages from "./globals/languages";
+import { getSDKPath } from "./languages";
 
 export default async function runCompletion({
   document,
@@ -48,7 +49,9 @@ export default async function runCompletion({
     line: position.line,
     character: position.character,
     indentation_size: getTabSize(),
+    sdk_path: getSDKPath(document.languageId),
   };
+
   const isEmptyLine = document.lineAt(position.line).text.trim().length === 0;
 
   const result = await autocomplete(