groupoperateaction.java

一个用struts tiles的在线影院web系统

package com.eline.vod.struts;
import java.util.ArrayList;

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

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 com.blue.web.common.util.AppLogger;
import com.blue.web.common.util.StringUtils;
import com.eline.vod.client.Groups;
import com.eline.vod.exceptions.GroupDAOSysException;
public class GroupOperateAction extends Action {
    private static final int addMovieToGroup      = 0;
    private static final int removeMovieFromGroup = 1;
    private static final int getMoviesInGroup     = 2;
    private static final int getGroupsForMovie    = 3;
    private static final int moveMovieToGroup     = 4;
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        System.out.println("GroupOperateAction.execute()");
        boolean isOK = false;
        int webAction = StringUtils.getInt(request.getParameter("webAction"), -1);
        if (form instanceof GroupOperateForm) {
            GroupOperateForm actionForm = (GroupOperateForm) form;
            if (webAction == addMovieToGroup) {
                addMovieToGroup(actionForm, request, response);
                isOK = true;
            } else if (webAction == removeMovieFromGroup) {
                removeMovieFromGroup(actionForm, request, response);
                isOK = true;
            } else if (webAction == getMoviesInGroup) {
                ArrayList array = getMoviesInGroup(actionForm, request, response);
                if (array != null) {
                    request.setAttribute("MoviesInGroup", array);
                    isOK = true;
                }
            } else if (webAction == getGroupsForMovie) {
                ArrayList array = getGroupsForMovie(actionForm, request, response);
                if (array != null) {
                    request.setAttribute("GroupsForMovie", array);
                    isOK = true;
                }
            } else if (webAction == moveMovieToGroup) {
                moveMovieToGroup(actionForm, request, response);
                isOK = true;
            }
        }
        String strMsg = isOK ? "操作成功" : "操作失败";
        request.setAttribute("message", strMsg);
        return mapping.findForward(isOK ? "success" : "failure");
    }
    private void addMovieToGroup(GroupOperateForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            Groups.addMovieToGroup(form.getMovieID(), form.getGroupID());
        } catch (Exception e) {
            AppLogger.error("GroupOperateAction.addMovieToGroup() Exception: " + e.getMessage());
        }
    }
    private void removeMovieFromGroup(GroupOperateForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            Groups.removeMovieFromGroup(form.getMovieID(), form.getGroupID());
        } catch (Exception e) {
            AppLogger.error("GroupOperateAction.addMovieToGroup() Exception: " + e.getMessage());
        }
    }
    private ArrayList getMoviesInGroup(GroupOperateForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            ArrayList array = Groups.getMoviesInGroup(form.getGroupID(), form.getSortBy(), form.isApproved());
            return array;
        } catch (Exception e) {
            AppLogger.error("GroupOperateAction.getMoviesInGroup() Exception: " + e.getMessage());
            return null;
        }
    }
    private ArrayList getGroupsForMovie(GroupOperateForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            ArrayList array = Groups.getGroupsForMovie(form.getMovieID(), form.isApproved());
            return array;
        } catch (Exception e) {
            AppLogger.error("GroupOperateAction.getGroupsForMovie() Exception: " + e.getMessage());
            return null;
        }
    }
    private void moveMovieToGroup(GroupOperateForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        String[] strIdList = form.getMoveIDs().split(";");
        int movieId = form.getMovieID();
        Groups.removeMovieFromGroup(movieId);
        System.out.println("strIdList=" + strIdList.length);
        for (int i = 0; i < strIdList.length; i++) {
            try {
                if (strIdList[i] == null || strIdList[i].length() < 1) continue;
                int itemId = Integer.parseInt(strIdList[i]);
                Groups.addMovieToGroup(movieId, itemId);
                System.out.println("gs.addMovieToGroup(movieId, itemId) " + movieId + "  " + itemId);
            } catch (NumberFormatException e) {
                AppLogger.error("NumberFormatException: GroupOperateAction.moveMovieToGroup() - parse id error, contiune.");
                continue;
            } catch (GroupDAOSysException e) {
                AppLogger.error("GroupDAOSysException: GroupOperateAction.moveMovieToGroup() - " + e.getMessage());
            }
        }
    }
}