protection against reflection

src/main/java/com/n9mtq4/reflection/ReflectionProtector.java

@@ -0,0 +1,64 @@
+package com.n9mtq4.reflection;
+
+/**
+ * A class that contains methods to protect your methods
+ * against the use of reflection.
+ * 
+ * <p>
+ * Created by will on 10/24/15 at 7:39 PM.
+ * 
+ * @since v1.1
+ * @author Will "n9Mtq4" Bresnahan
+ */
+@SuppressWarnings("unused")
+public class ReflectionProtector {
+
+	/**
+	 * Returns if the calling method was invoked with reflection.
+	 * <p>
+	 * WARNING: this method is (relatively) slow, so use it sparingly.
+	 * 
+	 * @return If the calling method was invoked with reflection
+	 * */
+	public static boolean usedReflection() {
+		return usedReflection(3, Thread.currentThread().getStackTrace());
+	}
+
+	/**
+	 * Returns if the stacktrace at the given index is a reflection one.
+	 * <p>
+	 * WARNING: this method is (relatively) slow, so use it sparingly.
+	 * 
+	 * @param index The index for the stacktrace
+	 * @return if the stacktrace at the given index is a reflection one.
+	 * */
+	public static boolean usedReflection(int index) {
+		return usedReflection(index, Thread.currentThread().getStackTrace());
+	}
+
+	private static boolean usedReflection(int index, StackTraceElement[] stackTraceElements) {
+		return usedReflection(index, index + 1, stackTraceElements);
+	}
+
+	/**
+	 * Returns if the stacktrace within the two ranges is a reflection one.
+	 * <p>
+	 * WARNING: this method is (relatively) slow, so use it sparingly.
+	 * 
+	 * @param min The starting stacktrace index
+	 * @param max The ending stacktrace index
+	 * @return if the stacktrace within the two ranges is a reflection one
+	 * */
+	public static boolean usedReflection(int min, int max) {
+		return usedReflection(min, max, Thread.currentThread().getStackTrace());
+	}
+
+	private static boolean usedReflection(int min, int max, StackTraceElement[] stackTraceElements) {
+		for (int i = min; i < max; i++) {
+			if (stackTraceElements[i].getClassName().startsWith("java.lang.reflect") || stackTraceElements[i].getClassName().startsWith("sun.reflect")) return true;
+
+		}
+		return false;
+	}
+
+}