sortopt.java

是一个网站的博客系统

package com.opensource.blog.web.action;

import javax.servlet.http.*;

import org.apache.struts.action.*;
import com.opensource.blog.comm.BlogUtil;
import com.opensource.blog.comm.Constant;
import com.opensource.blog.exception.*;
import com.opensource.blog.model.Sort;
import com.opensource.blog.service.*;
import com.opensource.blog.web.form.*;
import com.opensource.blog.web.servlet.*;

public class SortOpt
    extends BaseAction {

  private SortService sortService;

  public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
                               HttpServletRequest servletRequest,
                               HttpServletResponse servletResponse) {
    SortForm form = (SortForm) actionForm;

    ActionMessages errors = new ActionMessages();
    UserSession us = this.getUserSession(servletRequest);
    if (form.getAction().equalsIgnoreCase("add")) {
      if (this.getSortService().getSortCountByBlogID(us.getBlog().getId().longValue()) >=
          Constant.SORT_MAX_NUM) {
        errors.add("error.sort.sortmax", new ActionMessage("error.sort.sortmax",
            String.valueOf(Constant.SORT_MAX_NUM)));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      Sort sort = new Sort();
      sort.setBlogid(us.getBlog().getId().longValue());
      sort.setSortname(form.getAddsortname());
      try {
        sort = this.getSortService().saveSort(sort);
      }
      catch (BlogException ex) {
        errors.add("error.sort.adderror", new ActionMessage("error.sort.adderror"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward(BlogUtil.getResultUrl("sort.addok", "sort.do"), true);
      return f;

    }

    if (form.getAction().equalsIgnoreCase("up")) {
      Sort sort = this.getSortService().findSortByID_BlogID(form.getSortid(),
          us.getBlog().getId().longValue());
      if (sort == null) {
        errors.add("error.sort.getsort", new ActionMessage("error.sort.getsort"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      sort.setSortname(form.getUpsortname());
      try {
        sort = this.getSortService().saveSort(sort);

      }
      catch (BlogException ex1) {
        errors.add("error.sort.upsort", new ActionMessage("error.sort.upsort"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward(BlogUtil.getResultUrl("sort.upok",
          "sort.do?action=show&sortid=" + form.getSortid()), true);
      return f;

    }

    if (form.getAction().equalsIgnoreCase("del")) {
      Sort sort = this.getSortService().findSortByID_BlogID(form.getSortid(),
          us.getBlog().getId().longValue());
      if (sort == null) {
        errors.add("error.sort.getsort", new ActionMessage("error.sort.getsort"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      try {
        this.getSortService().removeSort(sort);
      }
      catch (BlogException ex2) {
        errors.add("error.sort.delsort", new ActionMessage("error.sort.delsort"));
        saveErrors(servletRequest, errors);
        return actionMapping.findForward("error");
      }
      ActionForward f = new ActionForward(BlogUtil.getResultUrl("sort.delok", "sort.do"), true);
      return f;

    }

    return actionMapping.findForward("error");
  }

  public SortService getSortService() {
    return sortService;
  }

  public void setSortService(SortService sortService) {
    this.sortService = sortService;
  }
}