tomcat修改web.xml文件名

importjavax.servlet.ServletContext;

importorg.apache.catalina.Globals;
importorg.apache.catalina.Lifecycle;
importorg.apache.catalina.LifecycleEvent;
importorg.apache.catalina.LifecycleListener;
importorg.apache.catalina.core.StandardContext;

/**
*指定tomcat加载web.xml文件位置<br>
*配置如下:修改TOMCAT_HOME/conf/servlet.xml内的context标签,在其之间加入如下语句<br>
*<ListenerclassName="SpecifyWebXmlLifecycleListener"webXmlPath="/WEB-INF/zdb.xml"/><br>
*<br>
*然后拷贝本类到TOMCAT_TOMCAT/lib/目录下.
*@authorzhangdb
*
*/
publicclassSpecifyWebXmlLifecycleListenerimplementsLifecycleListener{
//web.xml文件相对位置
privateStringwebXmlPath;

publicvoidlifecycleEvent(LifecycleEventevent){

Lifecyclelifecycle=event.getLifecycle();

if("before_start".equalsIgnoreCase(event.getType())){
StandardContextcontext=(StandardContext)lifecycle;
ServletContextservletContext=context.getServletContext();

StringrealWebXmlPath=context.getDocBase()+this.webXmlPath;
servletContext.setAttribute(Globals.ALT_DD_ATTR,realWebXmlPath);
System.out.println("substitutionweb.xmlfile:["+realWebXmlPath
+"]!");
}
}

publicStringgetWebXmlPath(){
returnwebXmlPath;
}

publicvoidsetWebXmlPath(StringwebXmlPath){
this.webXmlPath=webXmlPath;
}


}

tomcat的server.xml配置

<Context path="" docBase="E:\workspace\dyit-site\WebRoot">
<Listener className="SpecifyWebXmlLifecycleListener" webXmlPath="/WEB-INF/web_xml/jtt-wan-web.xml"/>
</Context>

转载自：http://www.iteye.com/topic/89067