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

package dev.trade.common.securityfilter.config; 
 
import java.util.*; 
 
/** 
 * 
Title: 权限过滤器
 
 * 
 * 
Description: 权限配置
 
 * 
 * 
Copyright: Copyright (c) 2006
 
 * 
 * 
Company: 
 
 * 
 * @author Zheng YanNan 
 * @version 1.0 
 */ 
public class SecurityConstraint { 
   private List resourceCollections; 
   private AuthConstraint authConstraint = null; 
 
   /** 
    * Constructor 
    */ 
   public SecurityConstraint() { 
      this.resourceCollections = new ArrayList(); 
   } 
 
   /** 
    * Add a WebResourceCollection to this SecurityConstraint. 
    * 
    * @param resourceCollection the WebResourceCollection to add 
    */ 
   public void addWebResourceCollection(WebResourceCollection resourceCollection) { 
      resourceCollections.add(resourceCollection); 
   } 
 
   /** 
    * Get the WebResourceCollections for this SecurityConstraint. The order of the list is the order in which the 
    * WebResourceCollections appeared in the config file. 
    * 
    * @return a List of WebResourceCollections, an empty list if none were added 
    */ 
   public List getWebResourceCollections() { 
      return this.resourceCollections; 
   } 
 
   /** 
    * Set the AuthConstraint. 
    * 
    * @param authConstraint the AuthConstraint 
    */ 
   public void setAuthConstraint(AuthConstraint authConstraint) { 
      this.authConstraint = authConstraint; 
   } 
 
   /** 
    * Get the AuthConstraint. 
    * 
    * @return an AuthConstraint object, or null if none has been set 
    */ 
   public AuthConstraint getAuthConstraint() { 
      return authConstraint; 
   } 
 
   /** 
    * 通过WEB资源名称获取指定配置的角色集合 
    * @param name String 
    * @return Collection 
    */ 
   public Collection getRolesByResourceName(String name){ 
     if(name!=null && authConstraint!=null){ 
       WebResourceCollection res = null; 
       for(int i = 0, l = resourceCollections.size(); i < l; i++){ 
         res = (WebResourceCollection)resourceCollections.get(i); 
         if(name.equals(res.getWebResourceName())){ 
           return authConstraint.getRoles(); 
         } 
       } 
     } 
     return null; 
   } 
}