groupaction.java

一个用struts tiles的在线影院web系统

package com.eline.vod.struts;
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;
import com.eline.vod.model.Group;
public class GroupAction extends Action {
    private static final int POST   = 0;
    private static final int UPDATE = 1;
    private static final int DELETE = 2;
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        System.out.println("GroupAction.execute()");
        boolean isOK = false;
        int webAction = StringUtils.getInt(request.getParameter("webAction"), -1);
        if (form instanceof GroupForm) {
            GroupForm actionForm = (GroupForm) form;
            if (webAction == POST) {
                isOK = doCreate(actionForm, request, response);
            } else if (webAction == UPDATE) {
                isOK = doUpdate(actionForm, request, response);
            } else if (webAction == DELETE) {
                isOK = doDelete(actionForm, request, response);
            }
        }
        String strMsg = isOK ? "操作成功" : "操作失败";
        request.setAttribute("message", strMsg);
        return mapping.findForward(isOK ? "success" : "failure");
    }
    private boolean doCreate(GroupForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            Group group = new Group();
            group.setIndexID(form.getIndexID());
            group.setName(form.getName());
            // group.setDateCreated(form.getDateCreated());
            group.setUserLastUpdate(form.getUserLastUpdate());
            // group.setDateLastUpdate(form.getDateLastUpdate());
            group.setDescription(form.getDescription());
            group.setApproved(form.isApproved());
            int i = Groups.addGroup(group);
            if (i == 1) {
                return true;
            } else {
                return false;
            }
        } catch (Exception e) {
            AppLogger.error("GroupAction.doCreate() Exception: " + e.getMessage());
            return false;
        }
    }
    private boolean doDelete(GroupForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        String[] strIdList = form.getDeletes().split(";");
        boolean returnValue = true;
        // parse id(s) and delete them.
        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.deleteGroup(itemId);
            } catch (NumberFormatException e) {
                AppLogger.error("NumberFormatException: GroupAction.doDelete() - parse id error, contiune.");
                continue;
            } catch (GroupDAOSysException e) {
                AppLogger.error("GroupDAOSysException: GroupAction.doDelete() - " + e.getMessage());
                returnValue = false;
            }
        }
        return returnValue;
    }
    private boolean doUpdate(GroupForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            Group group = new Group();
            group.setIndexID(form.getIndexID());
            group.setName(form.getName());
            // group.setDateCreated(form.getDateCreated());
            group.setUserLastUpdate(form.getUserLastUpdate());
            // group.setDateLastUpdate(form.getDateLastUpdate());
            group.setDescription(form.getDescription());
            group.setApproved(form.isApproved());
            Groups.upateGroup(group);
            return true;
        } catch (Exception e) {
            AppLogger.error("GroupAction.doUpdate() Exception: " + e.getMessage());
            return false;
        }
    }
}