baseaction.java

struts+spring +hibernate查询分页

package com.baidu.base;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

//import org.apache.log4j.Logger;
import org.apache.struts.Globals;

import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionServlet;
import org.apache.struts.actions.DispatchAction;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

public class BaseAction extends DispatchAction {

	
	
	private WebApplicationContext context;

	public void setServlet(ActionServlet actionServlet) {

		super.setServlet(actionServlet);

		ServletContext servletContext = actionServlet.getServletContext();

		context = WebApplicationContextUtils
				.getRequiredWebApplicationContext(servletContext);
	}

	public Object getBean(String beanName) {

		return context.getBean(beanName);

	}
	
	/*
	public void printException(Exception e, Logger logger) {

		Object[] objs = e.getStackTrace();

		for (Object obj : objs) {

			logger.error(obj);

		}

	}
*/
	protected void addRequestMessage(HttpServletRequest request,
			String messageKey) {

		request.removeAttribute(Globals.MESSAGE_KEY);

		ActionMessages actionMessages = new ActionMessages();

		actionMessages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
				messageKey));

		request.setAttribute(Globals.MESSAGE_KEY, actionMessages);

	}

	protected void addSessionMessage(HttpServletRequest request,
			String messageKey) {

		request.getSession().removeAttribute(Globals.MESSAGE_KEY);

		ActionMessages actionMessages = new ActionMessages();

		actionMessages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
				messageKey));

		request.getSession().setAttribute(Globals.MESSAGE_KEY, actionMessages);

	}
		
}