filterinvocationdefinitionsourcelistener.java

ACEGI数据库保存 ACEGI数据库保存 ACEGI数据库保存

/*
 * Copyright 2005-2010 the original author or autors
 *  
 *    http://www.skyon.com.cn
 *
 * Project { SkyonFramwork }
 */
package com.skyon.um.security.acegi.intercept.event;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.util.Assert;

import com.skyon.um.security.acegi.intercept.web.FilterInvocationDefinitionSourceCache;

/**
 * 
 * @since 2005-8-7
 * @author 王政
 * @version $Id: FilterInvocationDefinitionSourceListener.java,v 1.3 2005/11/04 15:55:06 wangzheng Exp $
 */
public class FilterInvocationDefinitionSourceListener implements ApplicationListener, InitializingBean {
    
    private static final Log logger = LogFactory.getLog(FilterInvocationDefinitionSourceListener.class);
    
    private FilterInvocationDefinitionSourceCache definitionSourceCache;
    
    
    /**
     * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.springframework.context.ApplicationEvent)
     */
    public void onApplicationEvent(ApplicationEvent event) {
        if (! FilterInvocationDefinitionSourceChangedEvent.class.isInstance(event)) {
            return;
        }
        
        logger.info(" 监听到 " + FilterInvocationDefinitionSourceChangedEvent.class + " , 开始重新读取资源权限数据... ");
        getDefinitionSourceCache().flushCache();
        logger.info(" 成功重新读取资源权限数据 ! ");
    }


    /**
     * @return Returns the definitionSourceCache.
     */
    public FilterInvocationDefinitionSourceCache getDefinitionSourceCache() {
        return definitionSourceCache;
    }


    /**
     * @param definitionSourceCache The definitionSourceCache to set.
     */
    public void setDefinitionSourceCache(FilterInvocationDefinitionSourceCache sourceHolder) {
        this.definitionSourceCache = sourceHolder;
    }


    public void afterPropertiesSet() throws Exception {
        Assert.notNull(getDefinitionSourceCache(), " definitionSourceCache must be specfied ");
    }
    
}