The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 package org.mozilla.gecko.sync;

 import java.util.List;

 public abstract class CommandRunner {

   public final int argCount;

   public CommandRunner(int argCount) {

     this.argCount = argCount;

   }

   public abstract void executeCommand(GlobalSession session, List<String> args);

   public boolean argumentsAreValid(List<String> args) {

     return args != null &&

            args.size() == argCount;

   }

 }