w11-张思渊-202401070104

w11/CrawlerController.java

@@ -0,0 +1,56 @@
+package com.example.datacollect.controller;
+
+import com.example.datacollect.command.AnalyzeCommand;
+import com.example.datacollect.command.Command;
+import com.example.datacollect.command.CrawlCommand;
+import com.example.datacollect.command.ExitCommand;
+import com.example.datacollect.command.HelpCommand;
+import com.example.datacollect.command.ListCommand;
+import com.example.datacollect.repository.ArticleRepository;
+import com.example.datacollect.strategy.StrategyFactory;
+import com.example.datacollect.view.ConsoleView;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.util.HashMap;
+import java.util.Map;
+
+public class CrawlerController {
+    private static final Logger logger = LoggerFactory.getLogger(CrawlerController.class);
+    private final Map<String, Command> commands = new HashMap<>();
+    private final ConsoleView view;
+    private final ArticleRepository repository;
+
+    public CrawlerController(ConsoleView view, ArticleRepository repository, StrategyFactory strategyFactory) {
+        this.view = view;
+        this.repository = repository;
+        logger.debug("Registering commands");
+        register(new HelpCommand(view));
+        register(new ListCommand(view));
+        register(new CrawlCommand(view, strategyFactory));
+        register(new AnalyzeCommand(view, strategyFactory));
+        register(new ExitCommand(view));
+    }
+
+    private void register(Command command) {
+        commands.put(command.getName(), command);
+        logger.debug("Registered command: {}", command.getName());
+    }
+
+    public void handle(String input) {
+        String text = input == null ? "" : input.trim();
+        if (text.isEmpty()) {
+            return;
+        }
+
+        String[] args = text.split("\\s+");
+        String cmdName = args[0].toLowerCase();
+        Command command = commands.get(cmdName);
+        if (command == null) {
+            logger.warn("Unknown command: {}", cmdName);
+            view.printError("Unknown command: " + cmdName);
+            return;
+        }
+        logger.debug("Executing command: {}", cmdName);
+        command.execute(args, repository);
+    }
+}