helloaction.java

一个java写的基于struts的简单应用

package hello;

import java.util.Locale;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.util.MessageResources;
import org.apache.struts.util.RequestUtils;

/**
 * @version 	1.0
 * @author
 */
public class helloAction extends org.apache.struts.action.Action {

	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {

		ActionMessages errors = new ActionMessages();
		ActionForward forward = new ActionForward(); // return value
		helloForm helloForm = (helloForm) form;
		//String badUserName = "Monster";
		
		//以下为badUserName的标准化取得****
		MessageResources mr=getResources(request);
//		Locale locale=RequestUtils.getUserLocale(request,null);	
        Locale locale=getLocale(request);
        String 	badUserName=mr.getMessage(locale,"hello.jsp.bad.username");		

		String userName = helloForm.getUserName();
		if (userName.equalsIgnoreCase(badUserName)) {
			errors.add("username", new ActionMessage("hello.dont.talk.to.monster", badUserName));
			saveErrors(request, errors);
			return mapping.getInputForward();
		}

		PersonBean pb = new PersonBean();
		pb.setName(userName);
		pb.saveToPersistentStore();
		
		request.setAttribute(Constants.PERSON_KEY, pb);
		request.removeAttribute(mapping.getAttribute());
		
		// Write logic determining how the user should be forwarded.
		forward = mapping.findForward("SayHello");

		// Finish with
		return (forward);

	}
}