jad command better support unicode. #1169

core/src/main/java/com/taobao/arthas/core/command/klass100/JadCommand.java

@@ -56,6 +56,7 @@ public class JadCommand extends AnnotatedCommand {
     private String methodName;
     private String code = null;
     private boolean isRegEx = false;
+    private boolean hideUnicode = false;
 
     /**
      * jad output source code only
@@ -87,6 +88,12 @@ public class JadCommand extends AnnotatedCommand {
         isRegEx = regEx;
     }
 
+    @Option(longName = "hideUnicode", flag = true)
+    @Description("hide unicode, default value false")
+    public void setHideUnicode(boolean hideUnicode) {
+        this.hideUnicode = hideUnicode;
+    }
+
     @Option(longName = "source-only", flag = true)
     @Description("Output source code only")
     public void setSourceOnly(boolean sourceOnly) {
@@ -153,7 +160,7 @@ public class JadCommand extends AnnotatedCommand {
             Map<Class<?>, File> classFiles = transformer.getDumpResult();
             File classFile = classFiles.get(c);
 
-            String source = Decompiler.decompile(classFile.getAbsolutePath(), methodName);
+            String source = Decompiler.decompile(classFile.getAbsolutePath(), methodName, hideUnicode);
             if (source != null) {
                 source = pattern.matcher(source).replaceAll("");
             } else {

core/src/main/java/com/taobao/arthas/core/util/Decompiler.java

@@ -16,12 +16,17 @@ import org.benf.cfr.reader.api.OutputSinkFactory;
  */
 public class Decompiler {
 
+    public static String decompile(String classFilePath, String methodName) {
+        return decompile(classFilePath, methodName, false);
+    }
+
     /**
      * @param classFilePath
      * @param methodName
+     * @param hideUnicode
      * @return
      */
-    public static String decompile(String classFilePath, String methodName) {
+    public static String decompile(String classFilePath, String methodName, boolean hideUnicode) {
         final StringBuilder result = new StringBuilder(8192);
 
         OutputSinkFactory mySink = new OutputSinkFactory() {
@@ -52,6 +57,7 @@ public class Decompiler {
          *      the cfr version is wrong. so disable show cfr version.
          */
         options.put("showversion", "false");
+        options.put("hideutf", String.valueOf(hideUnicode));
         if (!StringUtils.isBlank(methodName)) {
             options.put("methodname", methodName);
         }