"commands": [
			{
				"command": "rdflint.interactiveMode",
				"title": "rdflint interactiveMode: SPARQL playground"
			}
		],

	// rdflint interactive mode startup command
	let disposable = vscode.commands.registerCommand('rdflint.interactiveMode', () => {
		if (undefined === javaHome) {
			vscode.window.showInformationMessage('Please setup enviroment variable JAVA_HOME');
			return;
		}


		setupRdflintJar()
			.then((jar) => {
				let terminal = vscode.window.createTerminal(`rdflint`, javaHome + javaExe, ['-jar', '' + jar, '-i']);
				terminal.show(true);
			})
			.catch((err) => {
				vscode.window.showInformationMessage(err);
			});
	});

	context.subscriptions.push(disposable);	

	"activationEvents": [
		"onCommand:rdflint.interactiveMode",
		"onLanguage:turtle",
		"onLanguage:rdfxml"
	],

		"languages": [
			{
				"id": "rdfxml",
				"extensions": [
					".rdf"
				],
				"aliases": [
					"RDFXML",
					"RDF",
					"rdfxml",
					"rdf"
				],
				"configuration": "./rdfxml.language-configuration.json"
			},
			{
				"id": "turtle",
				"extensions": [
					".ttl"
				],
				"aliases": [
					"TURTLE",
					"turtle"
				]
			}
		],

		setupRdflintJar()
			.then((jar) => {
				// rdflint language server
				let serverOptions: Executable = {
					command: javaHome + javaExe,
					args: ['-jar', '' + jar, '-ls']
				};

				// Options to control the language client
				let clientOptions: LanguageClientOptions = {
					// Register the server for turtle documents
					documentSelector: [
						{ scheme: 'file', language: 'turtle' },
						{ scheme: 'file', language: 'rdfxml' }
					],
					synchronize: {
						// Notify the server about file changes to '.clientrc files contained in the workspace
						fileEvents: workspace.createFileSystemWatcher('**/.clientrc')
					}
				};

				// Create the language client and start the client.
				client = new LanguageClient(
					'rdflintLanguageServerExperimental',
					'RdfLint Language Server',
					serverOptions,
					clientOptions
				);

				// Start the client. This will also launch the server
				client.start();
			})
			.catch((err) => {
				vscode.window.showInformationMessage(err);
			});