www.pudn.com > SecurityFilter.rar > AuthConstraint.java

package dev.trade.common.securityfilter.config; 
 
import java.util.*; 
 
/** 
 * 
Title: 权限过滤器
 
 * 
 * 
Description: 验证配置
 
 * 
 * 
Copyright: Copyright (c) 2006
 
 * 
 * 
Company: 
 
 * 
 * @author Zheng YanNan 
 * @version 1.0 
 */ 
public class AuthConstraint { 
   private Set roles; 
 
   /** 
    * Constructor 
    */ 
   public AuthConstraint() { 
      roles = new HashSet(); 
   } 
 
   /** 
    * Add a role. 
    * 
    * @param role role to add 
    */ 
   public void addRole(String role) { 
      roles.add(role); 
   } 
 
   /** 
    * Get the roles collection. 
    * Returns an empty collection if no roles were present in the config file. 
    */ 
   public Collection getRoles() { 
      return Collections.unmodifiableCollection(roles); 
   } 
}