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package
my.mvc;import
java.io.IOException;import
javax.servlet.Filter;import
javax.servlet.FilterChain;import
javax.servlet.FilterConfig;import
javax.servlet.ServletContext;import
javax.servlet.ServletException;import
javax.servlet.ServletRequest;import
javax.servlet.ServletResponse;import
javax.servlet.http.HttpServletRequest;import
javax.servlet.http.HttpServletResponse;import
my.db.DBManager;/** *
全局过滤器 *
@author Winter Lau *
@date 2010-1-13 下午08:36:18 */public
class
ControllerFilter implements
Filter { private
ServletContext context; /** *
过滤器初始化 */ public
void
init(FilterConfig cfg) throws
ServletException { this.context
= cfg.getServletContext(); } /** *
执行过滤操作 */ public
void
doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws
IOException, ServletException { HttpServletRequest
request = (HttpServletRequest)req; HttpServletResponse
response = (HttpServletResponse)res; RequestContext
rc = RequestContext.begin(this.context,
request, response); if(rc.uri().indexOf("/.svn/")>=0){ rc.forbidden(); return
; } try{ chain.doFilter(rc.request(),
rc.response()); }finally{ if(rc!=null)
rc.end(); DBManager.closeConnection(); } } /** *
过滤器释放资源 */ public
void
destroy() { }} |
原文：http://blog.csdn.net/u014311051/article/details/41984527