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