PT #156965730: Get Javadoc from JDT LS or eclipse client via sts/javadoc

vscode-extensions/commons-vscode/src/javadoc.ts

@@ -0,0 +1,23 @@
+'use strict';
+
+
+import * as VSCode from 'vscode';
+import { LanguageClient, RequestType } from 'vscode-languageclient';
+
+export function registerJavadocService(client : LanguageClient) : void {
+
+    let addRequest = new RequestType<JavadocParams, JavadocResponse, void, void>("sts/javadoc");
+    client.onRequest(addRequest, async (params: JavadocParams) =>
+        <JavadocResponse> await VSCode.commands.executeCommand("java.execute.workspaceCommand", "sts.java.javadoc", params)
+    );
+
+}
+
+interface JavadocParams {
+    projectUri: string;
+    bindingKey: string;
+}
+
+interface JavadocResponse {
+    content: string;
+}

vscode-extensions/commons-vscode/src/launch-util.ts

@@ -17,6 +17,7 @@ import { tmpdir } from 'os';
 import { JVM, findJvm, findJdk } from '@pivotal-tools/jvm-launch-utils';
 import { registerClasspathService } from './classpath';
 import { registerProjectService } from './project';
+import { registerJavadocService } from './javadoc';
 
 let p2c = P2C.createConverter();
 
@@ -229,6 +230,7 @@ function setupLanguageClient(context: VSCode.ExtensionContext, createServer: Ser
         });
         registerProjectService(client);
         registerClasspathService(client);
+        registerJavadocService(client);
         return client;
     });
 }