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package com.example.datacollect.strategy; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.util.ArrayList; |
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import java.util.List; |
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public class StrategyFactory { |
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private static final Logger logger = LoggerFactory.getLogger(StrategyFactory.class); |
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private final List<CrawlStrategy> strategies = new ArrayList<>(); |
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public StrategyFactory() { |
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strategies.add(new HnuNewsStrategy()); |
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strategies.add(new BlogStrategy()); |
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strategies.add(new NewsStrategy()); |
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strategies.add(new CCTVStrategy()); |
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strategies.add(new GmwStrategy()); |
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strategies.add(new ChinaStrategy()); |
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logger.info("StrategyFactory initialized with {} strategies", strategies.size()); |
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} |
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public CrawlStrategy getStrategy(String url) { |
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for (CrawlStrategy s : strategies) { |
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if (s.supports(url)) { |
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logger.debug("Found strategy {} for URL {}", s.getClass().getSimpleName(), url); |
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return s; |
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} |
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} |
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logger.warn("No strategy found for URL: {}", url); |
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return null; |
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} |
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public void register(CrawlStrategy strategy) { |
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strategies.add(strategy); |
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logger.info("Registered new strategy: {}", strategy.getClass().getSimpleName()); |
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} |
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} |
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