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package cn.tom.mvc.handler;

import java.io.IOException;
import java.lang.reflect.Method;

import javax.servlet.ServletException;

import cn.tom.mvc.core.ControllerInvoke;
import cn.tom.mvc.core.RequestContext;
import cn.tom.mvc.interceptor.ActionInvocation;
import cn.tom.mvc.view.View;
import cn.tom.mvc.view.ViewFactory;

public final class DefaultController implements Controller {

	@Override
	public void enter(ActionInvocation actionInvocation) throws ServletException, IOException {
		long a = System.currentTimeMillis();
		String module = actionInvocation.getParaMap().get("module");
		RequestContext context = actionInvocation.getRequestContext();
		try {
			ControllerInvoke controllerInvoke = new ControllerInvoke(actionInvocation);
			controllerInvoke.paserFieldAnotation();
			Object obj = controllerInvoke.parserControllerMethod();
			String page = (String) obj;
			if (page != null && !page.isEmpty()) {
				 /*模板解析*/
				View view = ViewFactory.getView();
				if(view!=null){
					view.render(context.getRealPage(page));
				}else{
					context.forward(page, true);
				}
			}
			long last = (System.currentTimeMillis()-a);
			String msg = module+"- " +last +" - "+getModel(actionInvocation.getMethod())+" - "+context.getIpAddr();
							
			logger.info(msg);
		} catch(Exception e){
			logger.error(e.getMessage(), e);
		}finally {
			actionInvocation.recycle();
			actionInvocation = null;
		}
	}
	
	private String getModel(Method me){
		return me.getDeclaringClass() +"." + me.getName();
	}

}