构建支持Ajax的轻量级J2EE框架

value="/WEB-INF/applicationContext.xml,/WEB-INF/business-context.xml" />

contextConfigLocation

/WEB-INF/applicationContext.xml

 

context
org.springframework.web.context.ContextLoaderServlet

1

/**
* 
* @Descripted Buffalo+Spring+Struts+Hibernate/B>
*             

* @author meconsea
* @Company  
* @IM:   MSN: meconsea@hotmail.com
*        QQ:  75147664
*        E-mail: meconsea@163.com
* @date 2006-11-16
* @Version 1.0Beta
*/
public class BuffaloPlugIn implements PlugIn {        
public static final Logger log = Logger.getLogger(BuffaloPlugIn.class);        
public static final String SERVLET_CONTEXT_PREFIX = 
ContextLoaderPlugIn.class.getName() + ".CONTEXT.";
public static final String BUFFALO_CONTEXT_PREFIX = 
BuffaloPlugIn.class.getName()+".CONTEXT.";

private ModuleConfig moduleConfig;
private ActionServlet actionServlet;
public void destroy() {
// TODO Auto-generated method stub
}        
protected final String getModuleConfigPrefix(){
return this.moduleConfig.getPrefix();
}
protected final ActionServlet getActionServlet(){
return this.actionServlet;
}        
public String getServletContextAttributeNameForBuffalo(){
return BUFFALO_CONTEXT_PREFIX;
}
public String getServletContextAttributeNameForSCP(){
return SERVLET_CONTEXT_PREFIX+getModuleConfigPrefix();
}
public void init(ActionServlet as, ModuleConfig mc)
throws ServletException {
// TODO Auto-generated method stub
log.info("BuffaloPlugIn init begin ......");
this.actionServlet = as;
this.moduleConfig = mc;
as.getServletContext().setAttribute
(getServletContextAttributeNameForBuffalo(),
getServletContextAttributeNameForSCP());
log.info("init  end ");
}
}

/**
* 获取WebApplicationContext
* @param context
* @return
*/
public static WebApplicationContext getWebApplicationContext(ServletContext context){
WebApplicationContext wac = null;
log.info("获取Wac begin......");

if(context == null){
log.info("context is null  reutrn null");
return null;
}
String wacAttrName = (String)context.getAttribute(BuffaloPlugIn.BUFFALO_CONTEXT_PREFIX);
log.info("wacAttrName == "+wacAttrName);

if(wacAttrName != null){
wac = (WebApplicationContext)context.getAttribute(wacAttrName);
}

if(wac == null){
log.info("wac is null , 
obtain WebApplicationContext by WebApplicationContextUtils again");
wac = WebApplicationContextUtils.getWebApplicationContext(context);
}
return wac;
}
....//
WebApplicationContext appCtx = getWebApplicationContext(context);
//WebApplicationContextUtils.getWebApplicationContext(context);

bfapp
net.buffalo.web.servlet.ApplicationServlet