classaddaction.java

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package com.yhcms.manage.artclass.action;

import java.io.UnsupportedEncodingException;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
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 com.yhcms.artclass.bean.ArtClass;
import com.yhcms.artclass.dao.ArtClassDaoIm;
import com.yhcms.artclass.itface.ArtClassDao;
import com.yhcms.db.DBConnException;
import com.yhcms.manage.artclass.form.ClassAddForm;
/**
 * <p>Title:提交一个系统栏目Action</p>
 * <li>提交一个系统栏目</li>
 * <b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YH-2.0
 */
public class ClassAddAction extends Action {
	public ActionForward execute(ActionMapping actionmapping,ActionForm form,
			 HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException{
	
		Logger yhlog = Logger.getLogger(ArtClass.class.getName());
		ActionMessages errors = new ActionMessages();

		//	  取消操作
		if(isCancelled(request))
			return actionmapping.findForward("Cancel");
		
		ClassAddForm addForm = (ClassAddForm)form;
		ArtClass curClass = new ArtClass();
		ArtClassDao classdao = ArtClassDaoIm.getInstance();
		
		int id = addForm.getId();
		int isclass = addForm.getIsclass();
		String name = addForm.getName();
		String url = addForm.getUrl();
		String about = addForm.getAbout();
		String action = addForm.getAction();
		
		curClass.setIsclass(isclass);
		curClass.setName(name);
		curClass.setUrl(url);
		curClass.setAbout(about);
		curClass.setParentid(0);	//	目前只有大类,故此处固定0
		
		try {
			boolean flag = false;
			int isexist = 0;
			if((action.equals("insert"))){	   //	增加一个栏目
				curClass.setSort(0);
				isexist = classdao.getOneClass(name);
				if(isexist>0){				   //   该栏目已经存在
					yhlog.info("Add a class,but the class is exist!The class name is:"+name+".");
					errors.add("admin.class.add.exist",new ActionMessage("admin.class.add.exist"));
				}else{
					flag = classdao.addOneClass(curClass);
					if(flag){
						return actionmapping.findForward("Success");
					}else{
						yhlog.info("Add a class unsuccessfully.");
						errors.add("admin.class.add.fail",new ActionMessage("admin.class.add.fail"));
					}
				}
			}else if(action.equals("update")){	//	更新一个栏目
				curClass.setId(id);
				flag = classdao.updateClass(curClass);
				if(flag){
					return actionmapping.findForward("Success");
				}else{
					yhlog.info("Update a class unsuccessfully.");
					errors.add("admin.class.update.fail",new ActionMessage("admin.class.update.fail"));
				}
			}
			
		} catch (DBConnException e) {
			yhlog.warn("When add a class,throw an Exception!");
			errors.add("admin.class.add.Ecpt",new ActionMessage("admin.class.add.Ecpt"));
		}
		//	 无论是增加还是更新栏目出错,都会执行下面的过程.
		saveErrors(request,errors);
		return actionmapping.findForward("Failure");
	}
}