permisaction.java

一个完整的XACML工程,学习XACML技术的好例子!

/*
* Copyright (c) 2000-2005, University of Salford
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this 
* list of conditions and the following disclaimer.
* 
* Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation 
* and/or other materials provided with the distribution. 
*
* Neither the name of the University of Salford nor the names of its 
* contributors may be used to endorse or promote products derived from this 
* software without specific prior written permission. 
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
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*/

package issrg.pba.rbac;

/**
 * This class represents the action that can be carried out on a target in the
 * Permis project. The action has, optionally, a list of arguments.
 *
 * @author E Ball
 * @author A Otenko
 * @author D Chadwick
 * @version 0.2
 */

public class PermisAction implements issrg.pba.Action{
  private String Name;
  private Argument[] Arguments=new Argument[0];

  protected PermisAction(){}

  /**
   * This is the constructor for building an action with no arguments. It is
   * equal to <code>PermisAction(Name, null)</code>.
   *
   * @param Name is the name of the action
   */
  public PermisAction(String Name) {
    this(Name, null);
  }

  /**
   * This is the constructor for building an action with arguments.
   *
   * @param Name is the name of the action
   * @param Arguments is the list of argument values
   */
  public PermisAction(String Name, Argument [] Arguments){
    this.Name=Name;
    this.Arguments=Arguments;
  }

  /**
   * This method returns the name of the action.
   *
   * @return String name of the action
   */
  public String getActionName(){
    return Name;
  }

  /**
   * This method returns the array of arguments that this Action has.
   *
   * @return Argument[] containing the values of actual parameters to the 
   *    action;
   *    they are in the same order as passed to the constructor; can be null, if
   *    this is an action with no arguments
   */
  public Argument[] getArguments (){
    return Arguments;
  }

  /**
   * This method returns the ADI, pertaining to the Action: the array of
   * parameters to this action. Does the same as <code>getArguments</code>
   * method, but can be used by objects, operating on abstract actions.
   *
   * @return the Object representing an array of parameters to the action; can
   *    be null
   */
  public Object getContextualADI(){
    return Arguments;
  }
}