Add Copy Fully Qualified Name command (#4428)

* Add Copy Fully Qualified Name command

* Update command registration tests

* Address review comments

---------

Co-authored-by: MEHER SRUJANA MATCHA <mehersrujana.matcha@ibm.com>

Author: MeherSru

package.json

@@ -1866,6 +1866,11 @@
         "command": "java.runtimes.add",
         "title": "%java.runtimes.add%",
         "category": "Java"
+      },
+      {
+         "command": "java.action.copyFullyQualifiedName",
+         "title": "%java.action.copyFullyQualifiedName%",
+         "category": "Java"
       }
     ],
     "keybindings": [
@@ -1951,6 +1956,11 @@
           "command": "java.action.showTypeHierarchy",
           "when": "javaLSReady && editorTextFocus && editorLangId == java",
           "group": "0_navigation@3"
+        },
+        {
+          "command": "java.action.copyFullyQualifiedName",
+          "when": "javaLSReady && editorTextFocus && editorLangId == java",
+          "group": "1_javaactions"
         }
       ],
       "commandPalette": [

package.nls.json

@@ -30,5 +30,6 @@
 	"java.action.doCleanup": "Performs Cleanup Actions",
 	"java.change.searchScope": "Change Search Scope",
 	"java.action.showExtendedOutline": "Open Extended Outline",
-	"java.runtimes.add": "Add Java Runtime"
+	"java.runtimes.add": "Add Java Runtime",
+	"java.action.copyFullyQualifiedName": "Copy Fully Qualified Name"
 }

src/commands.ts

@@ -385,6 +385,12 @@ export namespace Commands {
      * Add Java Runtime
      */
     export const ADD_JAVA_RUNTIME = 'java.runtimes.add';
+
+	/**
+     * Copy fully qualified name.
+     */
+	export const COPY_FULLY_QUALIFIED_NAME = 'java.action.copyFullyQualifiedName';
+	export const GET_FULLY_QUALIFIED_NAME = 'java.getFullyQualifiedName';
 }
 
 /**

src/extension.ts

@@ -558,6 +558,32 @@ export async function activate(context: ExtensionContext): Promise<ExtensionAPI>
 				}
 			}));
 
+			context.subscriptions.push(commands.registerCommand(Commands.COPY_FULLY_QUALIFIED_NAME, async () => {
+				const editor = window.activeTextEditor;
+				if (!editor || editor.document.languageId !== 'java') {
+					return;
+				}
+
+				const params = {
+					textDocument: {
+						uri: editor.document.uri.toString()
+					},
+					position: {
+						line: editor.selection.active.line,
+						character: editor.selection.active.character
+					}
+				};
+
+				const fullyQualifiedName = await commands.executeCommand<string>(
+					Commands.EXECUTE_WORKSPACE_COMMAND,
+					Commands.GET_FULLY_QUALIFIED_NAME,
+					JSON.stringify(params)
+				);
+
+				if (fullyQualifiedName) {
+					await env.clipboard.writeText(fullyQualifiedName);
+				}
+			}));
 			registerRestartJavaLanguageServerCommand(context);
 
 			/**

test/lightweight-mode-suite/extension.test.ts

@@ -30,7 +30,8 @@ suite('Java Language Extension - LightWeight', () => {
 				Commands.FILESEXPLORER_ONPASTE,
 				Commands.CHANGE_JAVA_SEARCH_SCOPE,
 				Commands.OPEN_JAVA_DASHBOARD,
-				Commands.ADD_JAVA_RUNTIME
+				Commands.ADD_JAVA_RUNTIME,
+				Commands.COPY_FULLY_QUALIFIED_NAME
 			].sort();
 			const foundJavaCommands = commands.filter((value) => {
 				return JAVA_COMMANDS.indexOf(value)>=0 || value.startsWith('java.');

test/standard-mode-suite/extension.test.ts

@@ -128,6 +128,9 @@ suite('Java Language Extension - Standard', () => {
 				Commands.FILESEXPLORER_ONPASTE,
 				Commands.RESOLVE_PASTED_TEXT,
 				Commands.CHANGE_JAVA_SEARCH_SCOPE,
+				Commands.COPY_FULLY_QUALIFIED_NAME,
+				Commands.GET_FULLY_QUALIFIED_NAME,
+				Commands.GET_TROUBLESHOOTING_INFO,
 				Commands.OPEN_JAVA_DASHBOARD,
 				Commands.ADD_JAVA_RUNTIME
 			].sort();