完善核心功能

JavaShell.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="com.github.jnr:jnr-posix:3.0.52" level="project" />
+  </component>
+</module>

out/production/JavaShell/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: cn.makiser.jsh.Main
+Class-Path: .
+

src/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: cn.makiser.jsh.Main
+Class-Path: .
+

src/cn/makiser/jsh/Main.java

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+package cn.makiser.jsh;
+
+import cn.makiser.jsh.io.ConsolePrinter;
+import cn.makiser.jsh.io.ConsoleScanner;
+import cn.makiser.jsh.io.Printer;
+import cn.makiser.jsh.io.Scanner;
+import cn.makiser.jsh.plugin.Plugin;
+import cn.makiser.jsh.plugin.PluginLoader;
+import cn.makiser.jsh.plugin.SystemBasicPlugin;
+import cn.makiser.jsh.shell.JavaShell;
+import jnr.posix.POSIX;
+import jnr.posix.POSIXFactory;
+import jnr.posix.util.DefaultPOSIXHandler;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+    public static final POSIX posix = POSIXFactory
+            .getPOSIX(new DefaultPOSIXHandler(), true);
+
+    public final static List<Plugin> plugins = new ArrayList<>();
+    public static Printer lc_printer = new ConsolePrinter();
+    public static Scanner lc_scanner = new ConsoleScanner();
+    private static File workspace = null;
+
+    public static void main(String[] args) {
+        Main.lc_printer.println("JavaShell - Pd2's Shell");
+        try {
+            R.freshAll();
+            Main.lc_printer.println(
+                    "VERSION: " + R.s_strings.get("jsh-version") + "\n" +
+                    "Copyright (c) 2020, Makiser_Tech.");
+            workspace = new File(args[0]);
+            if(!workspace.exists()) {
+                workspace.mkdirs();
+            }
+            //加载插件
+            File path = new File(workspace.getAbsolutePath() + "/plugins");
+            if(!path.exists()) {
+                path.mkdir();
+            }
+            File[] jars = path.listFiles();
+            assert jars != null;
+            if(jars.length != 0) {
+                for (File jar : jars) {
+                    PluginLoader loader = new PluginLoader(jar);
+                    Plugin plugin = loader.load();
+                    plugins.add(plugin);
+                }
+                String s = R.strings.get("shell.plugin_load")
+                        .replaceAll("\\$num", String.valueOf(jars.length));
+                Main.lc_printer.println(s);
+            }
+            //加载系统组件
+            Plugin systemBasicPlugin = new SystemBasicPlugin();
+            plugins.add(systemBasicPlugin);
+            //启动Shell
+            JavaShell shell = new JavaShell();
+            shell.run();
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.out.println('\n');
+        }
+    }
+
+    //get&set
+    public static File getWorkspace() {
+        return workspace;
+    }
+
+    public static void exit(int status) {
+        System.exit(status);
+    }
+}

src/cn/makiser/jsh/R.java

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+package cn.makiser.jsh;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class R {
+    public static final Map<String, String> strings = new HashMap<>();
+    public static final Map<String, String> s_strings = new HashMap<>();
+
+    public static void freshAll() {
+        s_strings.put("jsh-version", "Alpha 1.0.1");
+        strings.put("shell.cmd_conflict1", "插件指令发生冲突, 是否继续加载?\n" +
+                "若继续, 已载入的指令将被即将载入的覆盖.");
+        strings.put("shell.cmd_conflict2", "您可以用指令 'jsh-info plugin.command' " +
+                "输出各插件注册指令, 查看在何处发生冲突.");
+        strings.put("shell.cmd_not_found", "未找到该指令, 请检查输入是否有误(区分大小写).");
+        strings.put("shell.plugin_load", "已载入 $num 个插件");
+        strings.put("cd.not_found", "目录不存在");
+        s_strings.put("at", "在");
+        s_strings.put("and", "和");
+        s_strings.put("info", "[信息] ");
+        s_strings.put("warn", "[警告] ");
+        s_strings.put("err", "[错误] ");
+        s_strings.put("stop", "终止");
+        s_strings.put("exit", "退出");
+    }
+}

src/cn/makiser/jsh/io/ConsolePrinter.java

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+package cn.makiser.jsh.io;
+
+public class ConsolePrinter implements Printer {
+    @Override
+    public void print(Object o) {
+        System.out.print(o);
+    }
+    @Override
+    public void println(Object o) {
+        System.out.println(o);
+    }
+}

src/cn/makiser/jsh/io/ConsoleScanner.java

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+package cn.makiser.jsh.io;
+
+public class ConsoleScanner implements Scanner {
+    java.util.Scanner scanner = new java.util.Scanner(System.in);
+
+    @Override
+    public String getLine() {
+        return scanner.nextLine();
+    }
+}

src/cn/makiser/jsh/io/Printer.java

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+package cn.makiser.jsh.io;
+
+public interface Printer {
+    void print(Object o);
+    void println(Object o);
+}

src/cn/makiser/jsh/io/Scanner.java

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+package cn.makiser.jsh.io;
+
+public interface Scanner {
+    String getLine();
+}

src/cn/makiser/jsh/plugin/Manifest.java

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+package cn.makiser.jsh.plugin;
+
+public class Manifest {
+    public String runnableClass = "cn.makiser.jsh.plugin.Runnable";
+
+    public String pluginPackage = "cn.makiser.jsh.plugin";
+    public String pluginName = "Plugin";
+    public String pluginInfo = "There is nothing.";
+    public String versionName = "1.0.0";
+    public Integer versionCode = 1;
+}