java/project/strategy/MovieStrategyFactory.java

package com.example.moviecli.strategy;

import java.util.ArrayList;
import java.util.List;

public class MovieStrategyFactory {
    private final List<MovieCrawlStrategy> strategies = new ArrayList<>();

    public MovieStrategyFactory() {
        strategies.add(new DoubanTop250Strategy());
        strategies.add(new SinaNewsStrategy());   // 新增
        strategies.add(new DoubanBookStrategy());
    }

    public MovieCrawlStrategy getStrategy(String url) {
        for (MovieCrawlStrategy s : strategies) {
            if (s.supports(url)) return s;
        }
        return null;
    }

    public void register(MovieCrawlStrategy strategy) {
        strategies.add(strategy);
    }
}