上传文件至 'project'

project/CLI.java

@@ -0,0 +1,98 @@
+package cli;
+
+import command.Command;
+import command.CrawlCommand;
+import command.HelpCommand;
+import command.ListCommand;
+import controller.CrawlerController;
+import exception.CLIException;
+import exception.CrawlerException;
+import view.CrawlerView;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class CLI {
+    private final CrawlerController controller;
+    private final CrawlerView view;
+    private final Map<String, Command> commands;
+
+    public CLI(CrawlerController controller, CrawlerView view) {
+        this.controller = controller;
+        this.view = view;
+        this.commands = new HashMap<>();
+        initializeCommands();
+    }
+
+    private void initializeCommands() {
+        commands.put("help", new HelpCommand(controller));
+        commands.put("list", new ListCommand(controller));
+        commands.put("crawl", new CrawlCommand(controller));
+    }
+
+    public void process(String[] args) {
+        try {
+            Command command = parseArgs(args);
+            if (command != null) {
+                command.execute();
+            }
+        } catch (CLIException e) {
+            view.displayError(e.getMessage());
+            view.displayHelp();
+        } catch (CrawlerException e) {
+            view.displayError(e.getMessage());
+        }
+    }
+
+    private Command parseArgs(String[] args) throws CLIException {
+        if (args == null || args.length == 0) {
+            return new CrawlCommand(controller);
+        }
+
+        String strategy = "all";
+        boolean verbose = false;
+        String outputDir = null;
+
+        for (int i = 0; i < args.length; i++) {
+            String arg = args[i];
+            
+            switch (arg) {
+                case "-h":
+                case "--help":
+                    return new HelpCommand(controller);
+                    
+                case "-l":
+                case "--list":
+                    return new ListCommand(controller);
+                    
+                case "-s":
+                case "--strategy":
+                    if (i + 1 >= args.length) {
+                        throw new CLIException("缺少策略参数值", arg);
+                    }
+                    strategy = args[++i];
+                    break;
+                    
+                case "-v":
+                case "--verbose":
+                    verbose = true;
+                    controller.setVerbose(true);
+                    break;
+                    
+                case "-o":
+                case "--output":
+                    if (i + 1 >= args.length) {
+                        throw new CLIException("缺少输出目录参数值", arg);
+                    }
+                    outputDir = args[++i];
+                    controller.setOutputDir(outputDir);
+                    break;
+                    
+                default:
+                    throw new CLIException("未知的参数: " + arg, arg);
+            }
+        }
+
+        return new CrawlCommand(controller, strategy);
+    }
+}

project/Command.java

@@ -0,0 +1,9 @@
+package command;
+
+import exception.CrawlerException;
+
+public interface Command {
+    void execute() throws CrawlerException;
+    String getName();
+    String getDescription();
+}