[功能] 支持 --std-output 参数输出到包名对应的完整路径

CHANGELOG.MD

@@ -1,10 +1,10 @@
 # CHANGELOG
 
-## 1.4.0
+## 1.3.2
 
 更新日志：
 
-- todo
+- [功能] 支持 `--std-output` 参数输出到包名对应的完整路径
 
 感谢以下用户的贡献:
 

src/main/java/me/n1ar4/clazz/obfuscator/Main.java

@@ -67,6 +67,6 @@ public class Main {
         }
 
         logger.info("start class obfuscate");
-        Runner.run(path, config);
+        Runner.run(path, config, false, baseCmd);
     }
 }

src/main/java/me/n1ar4/clazz/obfuscator/api/ClassObf.java

@@ -63,7 +63,7 @@ public class ClassObf {
         try {
             clean();
             Manager.initConfig(this.config);
-            Runner.run(path, this.config);
+            Runner.run(path, this.config, true, null);
             String fileName = FileUtil.getFileNameWithoutExt(path);
             String newFile = fileName + "_obf.class";
             Path newFilePath = Paths.get(newFile);

src/main/java/me/n1ar4/clazz/obfuscator/config/BaseCmd.java

@@ -12,6 +12,8 @@ public class BaseCmd {
     private boolean generate;
     @Parameter(names = {"-v", "--version"}, description = "version")
     private boolean version;
+    @Parameter(names = {"--std-output"}, description = "standard output (export file to package dir)")
+    private boolean stdOutput;
 
     public boolean isVersion() {
         return version;
@@ -44,4 +46,12 @@ public class BaseCmd {
     public void setConfig(String config) {
         this.config = config;
     }
+
+    public boolean isStdOutput() {
+        return stdOutput;
+    }
+
+    public void setStdOutput(boolean stdOutput) {
+        this.stdOutput = stdOutput;
+    }
 }

src/main/java/me/n1ar4/clazz/obfuscator/core/Runner.java

@@ -5,13 +5,16 @@ import me.n1ar4.clazz.obfuscator.base.ClassField;
 import me.n1ar4.clazz.obfuscator.base.ClassFileEntity;
 import me.n1ar4.clazz.obfuscator.base.ClassReference;
 import me.n1ar4.clazz.obfuscator.base.MethodReference;
+import me.n1ar4.clazz.obfuscator.config.BaseCmd;
 import me.n1ar4.clazz.obfuscator.config.BaseConfig;
 import me.n1ar4.clazz.obfuscator.transform.*;
+import me.n1ar4.clazz.obfuscator.utils.ASMUtil;
 import me.n1ar4.clazz.obfuscator.utils.ColorUtil;
 import me.n1ar4.clazz.obfuscator.utils.FileUtil;
 import me.n1ar4.clazz.obfuscator.utils.NameUtil;
 import me.n1ar4.log.LogManager;
 import me.n1ar4.log.Logger;
+import org.objectweb.asm.ClassReader;
 
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -32,7 +35,7 @@ public class Runner {
         AnalyzeEnv.classFileList.add(cf);
     }
 
-    public static void run(Path path, BaseConfig config) {
+    public static void run(Path path, BaseConfig config, boolean isApi, BaseCmd cmd) {
         ObfEnv.config = config;
         if (!config.isQuiet()) {
             // 输出配置信息
@@ -243,7 +246,8 @@ public class Runner {
             System.out.println(
                     ColorUtil.blue("###################### ALL OBFUSCATE FINISH ######################"));
         }
-
+        boolean simpleOutput = cmd == null || !cmd.isStdOutput();
+        if (isApi || simpleOutput) {
             try {
                 Files.write(Paths.get(newFile), Files.readAllBytes(Const.TEMP_PATH));
                 logger.info("class obfuscate finish and write new class file");
@@ -254,5 +258,35 @@ public class Runner {
                 logger.info("class obfuscate finish and delete temp file");
             } catch (Exception ignored) {
             }
+        } else {
+            // 标准输出
+            try {
+                byte[] result = Files.readAllBytes(Const.TEMP_PATH);
+                ClassReader classReader = new ClassReader(result);
+                String packageName = ASMUtil.getPackageName(classReader);
+                String className = ASMUtil.getClassName(classReader);
+
+                Path baseDir = Files.createDirectory(Paths.get("class-obf-output"));
+
+                if (!packageName.contains(".")) {
+                    Path packDir = Files.createDirectory(baseDir.resolve(packageName));
+                    Path classFile = packDir.resolve(String.format("%s.class", className));
+                    Files.write(classFile, result);
+                }
+
+                String[] dirs = packageName.split("\\.");
+                Path packDir = baseDir;
+                for (String dir : dirs) {
+                    packDir = Files.createDirectory(packDir.resolve(dir));
+                }
+                Path classFile = packDir.resolve(String.format("%s.class", className));
+                Files.write(classFile, result);
+                logger.info("create dir {} and class {} finish", packageName, className);
+            } catch (Exception ex) {
+                logger.error("create class output error: {}", ex.getMessage());
+                logger.info("please delete the class-obf-output dir");
+                logger.info("可能是目标文件或目录已存在：请删除 class-obf-output 目录");
+            }
+        }
     }
 }

src/main/java/me/n1ar4/clazz/obfuscator/utils/ASMUtil.java

@@ -0,0 +1,24 @@
+package me.n1ar4.clazz.obfuscator.utils;
+
+import org.objectweb.asm.ClassReader;
+
+public class ASMUtil {
+    public static String getClassName(ClassReader classReader) {
+        String className = classReader.getClassName();
+        int lastSlashIndex = className.lastIndexOf('/');
+        if (lastSlashIndex != -1) {
+            return className.substring(lastSlashIndex+1)
+                    .replace('/', '.');
+        }
+        return "";
+    }
+
+    public static String getPackageName(ClassReader classReader) {
+        String className = classReader.getClassName();
+        int lastSlashIndex = className.lastIndexOf('/');
+        if (lastSlashIndex != -1) {
+            return className.substring(0, lastSlashIndex).replace('/', '.');
+        }
+        return "";
+    }
+}