videoclassaction.java

本程序是作者开发的一个宽带娱乐系统的一个模块.

package com.singnet.video.struts.action;

import java.rmi.RemoteException;
import java.util.ArrayList;

import javax.ejb.CreateException;
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.actions.DispatchAction;

import com.singnet.util.Pager;
import com.singnet.util.UserCheck;
import com.singnet.video.VideoClassInfo;
import com.singnet.video.client.VideoClassClient;
import com.singnet.video.struts.form.VideoClassActionForm;

public class VideoClassAction extends DispatchAction {
	private VideoClassClient client = new VideoClassClient();

	public ActionForward add(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws CreateException, RemoteException, Exception {
		VideoClassInfo videoClassinfo = new VideoClassInfo();
		VideoClassActionForm videoClassActionForm = (VideoClassActionForm) form;
		if (videoClassActionForm.getClassname() == null) {
			return mapping.findForward("add");
		}
		if (videoClassActionForm.getClassname().equals("")||videoClassActionForm.getOrderid().equals("")||videoClassActionForm.getVideotypeid().equals("")) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_ADD_NONAME);
			return mapping.findForward("add");
		}
		if (client
				.getVideoClassByClassname(videoClassActionForm.getClassname()) != null) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_ADD_EXSIT);
			return mapping.findForward("add");
		}
		videoClassinfo.setClassname(videoClassActionForm.getClassname());
		videoClassinfo.setIfshow(videoClassActionForm.getIfshow());
		videoClassinfo.setOrderid(videoClassActionForm.getOrderid());
		videoClassinfo.setVideotypeid(videoClassActionForm.getVideotypeid());

		if (client.addVideoClassInfo(videoClassinfo)) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_ADD_SUCCESS);
		} else {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_ADD_FAILURE);
		}
		return mapping.findForward("add");
	}

	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws CreateException, RemoteException, Exception {
		VideoClassInfo videoClassinfo = new VideoClassInfo();
		VideoClassActionForm videoClassActionForm = (VideoClassActionForm) form;
		String id = request.getParameter("id");

		// 判断ID是否合法
		if (id == null || id.equals("") || id.length() < 1
				|| !com.singnet.util.Format.isNumber(id)) {
			request.setAttribute("message",
					JspMessageConst.SYSTEM_ERROR_WrongVars);
			return mapping.findForward("error");
		}
		videoClassinfo = client.getVideoClassById(id);
		// get进入的情况
		if (videoClassActionForm.getClassname() == null) {
			request.setAttribute("videoclassinfo", videoClassinfo);

			return mapping.findForward("edit");
		}
		// post进入，判断是否有输入类型名称
		if (videoClassActionForm.getClassname().equals("")) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_ADD_NONAME);
			request.setAttribute("videoclassinfo", videoClassinfo);
			return mapping.findForward("edit");
		}

		videoClassinfo.setClassname(videoClassActionForm.getClassname());
		videoClassinfo.setIfshow(videoClassActionForm.getIfshow());
		videoClassinfo.setOrderid(videoClassActionForm.getOrderid());
		videoClassinfo.setVideotypeid(videoClassActionForm.getVideotypeid());

		if (client.editVideoClassInfo(videoClassinfo)) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_EDIT_SUCCESS);
		} else {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOCLASS_EDIT_FAILURE);
		}
		request.setAttribute("videoclassinfo", videoClassinfo);
		return mapping.findForward("edit");
	}

	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws CreateException, RemoteException, Exception {
		VideoClassInfo videoClassinfo = new VideoClassInfo();
		VideoClassActionForm videoClassActionForm = (VideoClassActionForm) form;
		UserCheck uc = new UserCheck(request);
		/**
		 * 删除操作开始
		 */
		String action = request.getParameter("action");
		if (action != null && action.equals("delete")) {
			String[] id = request.getParameterValues("sel_id");
			for (int i = 0; i < id.length; i++) {
				// 删除开始
				if (client.deleteVideoClassInfo(id[i])) {
					request.setAttribute("message",
							JspMessageConst.MODULE_VIDEOCLASS_DELETE_SUCCESS);
				} else {
					request.setAttribute("message",
							JspMessageConst.MODULE_VIDEOCLASS_DELETE_SUCCESS);
				}
			}
		}
		String videotypeid = com.singnet.util.Format.dealNull(request
				.getParameter("videotypeid"));
		Pager pager = new Pager();
		ArrayList list = new ArrayList();
		String sql_str = "select a.*,b.typename from videoclass a,videotype b where a.videotypeid like '%"
				+ videotypeid + "%' and a.videotypeid=b.id";
		pager.setQueryCase(sql_str);
		 
		list = client.queryVideoClassInfo(pager);
		request.setAttribute("list", list);
		return mapping.findForward("list");
	}
}