import java.util.List;

public class StrategyCrawlerMain {
    public static void main(String[] args) {
        CrawlerContext context = new CrawlerContext(null);

        System.out.println("=== Crawling DangDang ===");
        context.setStrategy(new DangDangCrawlStrategy());
        context.executeCrawlAndSave(1, 3, "strategy_crawler/dangdang_books.txt");

        System.out.println("\n=== Crawling MaoYan ===");
        context.setStrategy(new MaoYanCrawlStrategy());
        context.executeCrawlAndSave(1, 1, "strategy_crawler/maoyan_movies.txt");

        System.out.println("\n=== Crawling JD ===");
        context.setStrategy(new JDCrawlStrategy());
        context.executeCrawlAndSave(1, 3, "strategy_crawler/jd_products.txt");

        System.out.println("\n=== All crawling tasks completed ===");
    }
}