1 files changed, 109 insertions, 0 deletions
diff --git a/src/proguard/obfuscate/ClassRenamer.java b/src/proguard/obfuscate/ClassRenamer.java
new file mode 100644
index 0000000..143e3fb
--- /dev/null
+++ b/src/proguard/obfuscate/ClassRenamer.java
@@ -0,0 +1,109 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.obfuscate;
+
+import proguard.classfile.*;
+import proguard.classfile.constant.ClassConstant;
+import proguard.classfile.constant.visitor.ConstantVisitor;
+import proguard.classfile.editor.ConstantPoolEditor;
+import proguard.classfile.util.SimplifiedVisitor;
+import proguard.classfile.visitor.*;
+
+/**
+ * This <code>ClassVisitor</code> renames the class names and class member
+ * names of the classes it visits, using names previously determined by the
+ * obfuscator.
+ *
+ * @see ClassObfuscator
+ * @see MemberObfuscator
+ *
+ * @author Eric Lafortune
+ */
+public class ClassRenamer
+extends      SimplifiedVisitor
+implements   ClassVisitor,
+             MemberVisitor,
+             ConstantVisitor
+{
+    // Implementations for ClassVisitor.
+
+    public void visitProgramClass(ProgramClass programClass)
+    {
+        // Rename this class.
+        programClass.thisClassConstantAccept(this);
+
+        // Rename the class members.
+        programClass.fieldsAccept(this);
+        programClass.methodsAccept(this);
+    }
+
+
+    public void visitLibraryClass(LibraryClass libraryClass)
+    {
+        libraryClass.thisClassName = ClassObfuscator.newClassName(libraryClass);
+
+        // Rename the class members.
+        libraryClass.fieldsAccept(this);
+        libraryClass.methodsAccept(this);
+    }
+
+
+    // Implementations for MemberVisitor.
+
+    public void visitProgramMember(ProgramClass  programClass,
+                                     ProgramMember programMember)
+    {
+        // Has the class member name changed?
+        String name    = programMember.getName(programClass);
+        String newName = MemberObfuscator.newMemberName(programMember);
+        if (newName != null &&
+            !newName.equals(name))
+        {
+            programMember.u2nameIndex =
+                new ConstantPoolEditor(programClass).addUtf8Constant(newName);
+        }
+    }
+
+    public void visitLibraryMember(LibraryClass  libraryClass,
+                                   LibraryMember libraryMember)
+    {
+        String newName = MemberObfuscator.newMemberName(libraryMember);
+        if (newName != null)
+        {
+            libraryMember.name = newName;
+        }
+    }
+
+
+    // Implementations for ConstantVisitor.
+
+    public void visitClassConstant(Clazz clazz, ClassConstant classConstant)
+    {
+        // Update the Class entry if required.
+        String newName = ClassObfuscator.newClassName(clazz);
+        if (newName != null)
+        {
+            // Refer to a new Utf8 entry.
+            classConstant.u2nameIndex =
+                new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newName);
+        }
+    }
+}