package com.example.datacollect.command; import com.example.datacollect.repository.ArticleRepository; import com.example.datacollect.strategy.CrawlStrategy; import com.example.datacollect.strategy.StrategyFactory; import com.example.datacollect.view.ConsoleView; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; public class CrawlCommand implements Command { private final ConsoleView view; private final StrategyFactory strategyFactory; public CrawlCommand(ConsoleView view, StrategyFactory strategyFactory) { this.view = view; this.strategyFactory = strategyFactory; } @Override public String getName() { return "crawl"; } @Override public void execute(String[] args, ArticleRepository repository) { if (args.length < 2) { view.printError("Usage: crawl "); return; } String url = args[1]; CrawlStrategy strategy = strategyFactory.getStrategy(url); if (strategy == null) { view.printError("No strategy found for: " + url); return; } try { view.printInfo("Crawling: " + url); Document doc = Jsoup.connect(url).get(); var articles = strategy.parse(url, doc); for (var article : articles) { repository.add(article); } view.printSuccess("Crawled " + articles.size() + " articles."); } catch (Exception e) { view.printError("Failed to crawl: " + e.getMessage()); } } }