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syntaxLanguageClient.ts
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72 lines (63 loc) · 2 KB
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import * as net from "net";
import { LanguageClientOptions, StreamInfo, LanguageClient, ServerOptions, DidChangeConfigurationNotification } from "vscode-languageclient";
import { OutputInfoCollector, ClientErrorHandler, getJavaConfig } from "./extension";
import { logger } from "./log";
const extensionName = "Language Support for Java (Syntax Server)";
export class SyntaxLanguageClient {
private languageClient: LanguageClient;
private stopping: boolean = false;
public initialize(requirements, clientOptions: LanguageClientOptions, serverOptions?: ServerOptions) {
const newClientOptions: LanguageClientOptions = Object.assign({}, clientOptions, {
middleware: {
workspace: {
didChangeConfiguration: () => {
this.languageClient.sendNotification(DidChangeConfigurationNotification.type, {
settings: {
java: getJavaConfig(requirements.java_home),
}
});
}
}
},
errorHandler: new ClientErrorHandler(extensionName),
initializationFailedHandler: error => {
logger.error(`Failed to initialize ${extensionName} due to ${error && error.toString()}`);
return true;
},
outputChannel: new OutputInfoCollector(extensionName),
outputChannelName: extensionName
});
const lsPort = process.env['SYNTAXLS_CLIENT_PORT'];
if (!serverOptions && lsPort) {
serverOptions = () => {
const socket = net.connect(lsPort);
const result: StreamInfo = {
writer: socket,
reader: socket
};
return Promise.resolve(result);
};
}
if (serverOptions) {
this.languageClient = new LanguageClient('java', extensionName, serverOptions, newClientOptions);
}
}
public start(): void {
if (this.languageClient) {
this.languageClient.start();
}
}
public stop() {
this.stopping = true;
if (this.languageClient) {
this.languageClient.stop();
this.languageClient = null;
}
}
public isAlive(): boolean {
return !!this.languageClient && !this.stopping;
}
public getClient(): LanguageClient {
return this.languageClient;
}
}