package org.webslinger.util;

 public abstract class BaseMain {

     protected String[] args;

     protected int i;

     public BaseMain(String[] args) {

         this.args = args;

         i = 0;

     }

     protected String getValue(String optName, String arg) {

         if (arg.substring(optName.length()).startsWith("=")) return arg.substring(optName.length() + 1);

         if (i + 1 == args.length) throw new IllegalArgumentException("no value");

         i++;

         return args[i];

     }

     public void run() throws Exception {

         for (i = 0; i < args.length; i++) {

             String arg = args[i];

             if (processArg(arg)) break;

         }

     }

     protected abstract boolean processArg(String arg) throws Exception;

 }