1 files changed, 51 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/bytecode/ClassProtectifier.java b/src/cuchaz/enigma/bytecode/ClassProtectifier.java
new file mode 100644
index 0000000..f1ee4e7
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/ClassProtectifier.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Lesser General Public
+ * License v3.0 which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/lgpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode;
+
+import javassist.CtBehavior;
+import javassist.CtClass;
+import javassist.CtField;
+import javassist.bytecode.AccessFlag;
+import javassist.bytecode.InnerClassesAttribute;
+
+
+public class ClassProtectifier {
+
+        public static CtClass protectify(CtClass c) {
+                
+                // protectify all the fields
+                for (CtField field : c.getDeclaredFields()) {
+                        field.setModifiers(protectify(field.getModifiers()));
+                }
+                
+                // protectify all the methods and constructors
+                for (CtBehavior behavior : c.getDeclaredBehaviors()) {
+                        behavior.setModifiers(protectify(behavior.getModifiers()));
+                }
+                
+                // protectify all the inner classes
+                InnerClassesAttribute attr = (InnerClassesAttribute)c.getClassFile().getAttribute(InnerClassesAttribute.tag);
+                if (attr != null) {
+                        for (int i=0; i<attr.tableLength(); i++) {
+                                attr.setAccessFlags(i, protectify(attr.accessFlags(i)));
+                        }
+                }
+                
+                return c;
+        }
+
+        private static int protectify(int flags) {
+                if (AccessFlag.isPrivate(flags)) {
+                        flags = AccessFlag.setProtected(flags);
+                }
+                return flags;
+        }
+}