1   /*
    2    * Copyright (c) 2002-2007 by OpenSymphony
    3    * All rights reserved.
    4    */
    5   package com.opensymphony.xwork2.interceptor;
    6   
    7   /**
    8    * <!-- START SNIPPET: javadoc -->
    9    *
   10    * This interface is implemented by actions that want to declare acceptable parameters. Works in conjunction with {@link
   11    * ParametersInterceptor}. For example, actions may want to create a whitelist of parameters they will accept or a
   12    * blacklist of paramters they will reject to prevent clients from setting other unexpected (and possibly dangerous)
   13    * parameters.
   14    *
   15    * <!-- END SNIPPET: javadoc -->
   16    *
   17    * @author Bob Lee (crazybob@google.com)
   18    */
   19   public interface ParameterNameAware {
   20   
   21       /**
   22        * Tests if the the action will accept the parameter with the given name.
   23        *
   24        * @param parameterName  the parameter name
   25        * @return <tt> if accepted, <tt>false</tt> otherwise
   26        */
   27       boolean acceptableParameterName(String parameterName);
   28       
   29   }