initial implementation of JSONPointer

JSONPointerException.java

@@ -0,0 +1,21 @@
+package org.json;
+
+/**
+ * The JSONPointerException is thrown by {@link JSONPointer} if an error occurs
+ * during evaluating a pointer.
+ * 
+ * @author erosb
+ *
+ */
+public class JSONPointerException extends JSONException {
+    private static final long serialVersionUID = 8872944667561856751L;
+
+    public JSONPointerException(String message) {
+        super(message);
+    }
+
+    public JSONPointerException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}