package org.webslinger.rules;

 public class DumpVisitor extends AbstractRulesVisitor {

     protected final StringBuilder prefix = new StringBuilder();

     public DumpVisitor(String prefix) {

         this.prefix.append(prefix);

     }

     protected Object visitChildren(Node node, Object data) {

         System.err.println(prefix.toString() + node);

         prefix.append(' ');

         try {

             return super.visitChildren(node, data);

         } finally {

             prefix.setLength(prefix.length() - 1);

         }

     }

 }