musicwishaction.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.music.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.music.MusicSingerInfo;
import com.singnet.music.client.MusicSingerClient;
import com.singnet.music.struts.form.MusicSingerActionForm;
import com.singnet.util.Pager;
import com.singnet.util.UserCheck;

public class MusicWishAction extends DispatchAction {
	private MusicSingerClient client = new MusicSingerClient();

	public ActionForward add(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws CreateException, RemoteException, Exception {
		MusicSingerInfo musicSingerinfo = new MusicSingerInfo();
		MusicSingerActionForm musicSingerActionForm = (MusicSingerActionForm) form;
		if (musicSingerActionForm.getName() == null) {
			return mapping.findForward("add");
		}
		if (musicSingerActionForm.getName().equals("")) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_ADD_NONAME);
			return mapping.findForward("add");
		}
		if(client.queryMusicSingerInfoByName(musicSingerActionForm.getName())!=null)
		{
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_ADD_EXSIT);
			return mapping.findForward("add");
		
		}
		musicSingerinfo.setName(musicSingerActionForm.getName());
		/**
		 * not finish
		 */
		
		if (client.addMusicSingerInfo(musicSingerinfo)) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_ADD_SUCCESS);
		} else {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_ADD_FAILURE);
		}
		return mapping.findForward("add");
	}

	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws CreateException, RemoteException, Exception {
		MusicSingerInfo musicSingerInfo = new MusicSingerInfo();
		MusicSingerActionForm musicSingerActionForm = (MusicSingerActionForm) 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");
		}
		musicSingerInfo = client.queryMusicSingerInfoById(id);
		// get进入的情况
		if (musicSingerActionForm.getName() == null) {
			request.setAttribute("musicSingerInfo", musicSingerInfo);

			return mapping.findForward("edit");
		}
		// post进入，判断是否有输入类型名称
		if (musicSingerActionForm.getName().equals("")) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_ADD_NONAME);
			request.setAttribute("musicSingerInfo", musicSingerInfo);
			return mapping.findForward("edit");
		}

		musicSingerInfo.setName(musicSingerActionForm.getName());
		/**
		 * not finish
		 */
		
		if (client.editMusicSingerInfo(musicSingerInfo)) {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_EDIT_SUCCESS);
		} else {
			request.setAttribute("message",
					JspMessageConst.MODULE_VIDEOACTOR_EDIT_FAILURE);
		}
		request.setAttribute("musicSingerInfo", musicSingerInfo);
		return mapping.findForward("edit");
	}

	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws CreateException, RemoteException, Exception {
		MusicSingerInfo musicSingerinfo = new MusicSingerInfo();
		MusicSingerActionForm musicSingerActionForm = (MusicSingerActionForm) 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.deleteMusicSingerInfo(id[i])) {
					request.setAttribute("message",
							JspMessageConst.MODULE_VIDEOACTOR_DELETE_SUCCESS);
				} else {
					request.setAttribute("message",
							JspMessageConst.MODULE_VIDEOACTOR_DELETE_SUCCESS);
				}
			}
		}
		ArrayList list = new ArrayList();
		list = client.queryMusicSingerInfo();
		request.setAttribute("list", list);
		return mapping.findForward("list");
	}
}