OSCache的对action响应的配置

对action响应的配置其实也不是很特别，这里主要提到的是Key的配置：

 

 

	<filter>
	    <filter-name>CacheFilter</filter-name>
	    <filter-class>com.opensymphony.oscache.web.filter.CacheFilter</filter-class>
	    <init-param>
	        <param-name>time</param-name>
	        <param-value>600</param-value><!-- 单位秒 -->
	    </init-param>
	    <init-param>
	        <param-name>scope</param-name>
	        <param-value>session</param-value>
	    </init-param>
	    <init-param>
	    	<param-name>ICacheKeyProvider</param-name>
	    	<param-value>com.xiva.common.IvCacheKeyProvider</param-value>
	    </init-param>
	</filter>

	<filter-mapping>
	    <filter-name>CacheFilter</filter-name>
	    <url-pattern>*.jsp</url-pattern>
	</filter-mapping>
  	
  	<filter-mapping>
	    <filter-name>CacheFilter</filter-name>
	    <url-pattern>/user/userInfoList.action</url-pattern>
	</filter-mapping>

 

 

ICacheKeyProvider是CacheFilter的一个初始化参数，参考源码如下：

 // filter parameter ICacheKeyProvider
        ICacheKeyProvider cacheKeyProviderParam = (ICacheKeyProvider)instantiateFromInitParam("ICacheKeyProvider", ICacheKeyProvider.class, this.getClass().getName());
        if (cacheKeyProviderParam != null) {
            setCacheKeyProvider(cacheKeyProviderParam);
        }

 

 

 

 

package com.xiva.common;

import javax.servlet.http.HttpServletRequest;

import com.opensymphony.oscache.base.Cache;
import com.opensymphony.oscache.web.ServletCacheAdministrator;
import com.opensymphony.oscache.web.filter.ICacheKeyProvider;

public class IvCacheKeyProvider implements ICacheKeyProvider
{

    @Override
    public String createCacheKey(HttpServletRequest httpRequest, ServletCacheAdministrator scAdmin, Cache cache)
    {
        // buffer for the cache key
        StringBuffer buffer = new StringBuffer(100);

        buffer.append(httpRequest.getRequestURI());

        buffer.append('_');

        buffer.append(httpRequest.getParameter("start"));

        buffer.append('_');

        buffer.append(httpRequest.getParameter("limit"));

        buffer.append('_');

        buffer.append(httpRequest.getParameter("orgId"));

        return buffer.toString();
    }

}

 

上面是对接口的实现IvCacheKeyProvider

 

OSCache下载地址:https://java.net/downloads/oscache/