delattach.java

java论坛

package com.laoer.bbscs.web.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import com.laoer.bbscs.web.form.DelAttachForm;
import com.laoer.bbscs.service.ForumService;
import com.laoer.bbscs.comm.AjaxMessagesXML;
import com.laoer.bbscs.web.servlet.UserSession;
import com.laoer.bbscs.comm.Constant;
import java.util.Locale;
import org.apache.struts.util.MessageResources;
import com.laoer.bbscs.bean.Forum;
import com.laoer.bbscs.exception.*;

public class DelAttach
    extends BaseAction {

  private ForumService forumService;

  private AjaxMessagesXML ajaxMessagesXML;

  public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
                               HttpServletResponse response) {
    DelAttachForm delAttachForm = (DelAttachForm) form;

    UserSession us = this.getUserSession(request);

    long bid = delAttachForm.getBid();

    MessageResources mr = this.getResources(request);
    Locale locale = this.getLocale(request);

    if (delAttachForm.getAttchFileNames() == null || delAttachForm.getAttchFileNames().length == 0) {
      this.getAjaxMessagesXML().setMessage(Constant.CODEID_POST_DELATTACH_NO_CHOICE,
                                           mr.getMessage(locale, "error.post.upfile.del.nochoice"));
      this.setAjaxMessagesXMLRepuest(request, this.getAjaxMessagesXML());
      return mapping.findForward(this.FORWARD_AJAX);
    }

    Forum f = this.getForumService().findForumByID(delAttachForm.getId(), bid);
    if (f == null) {
      this.getAjaxMessagesXML().setMessage(Constant.CODEID_POST_NOT_EXIST,
                                           mr.getMessage(locale, "error.post.getpost"));
      this.setAjaxMessagesXMLRepuest(request, this.getAjaxMessagesXML());
      return mapping.findForward(this.FORWARD_AJAX);
    }

    try {
      this.getForumService().removeAttachFile(f, delAttachForm.getAttchFileNames());
      this.getAjaxMessagesXML().setMessage(Constant.CODEID_OK,
                                           mr.getMessage(locale, "post.upfile.delok"));
    }
    catch (BbscsException ex) {
      this.getAjaxMessagesXML().setMessage(Constant.CODEID_POST_DELATTACH_ERROR,
                                           mr.getMessage(locale, "error.post.upfile.del.error"));
    }
    this.setAjaxMessagesXMLRepuest(request, this.getAjaxMessagesXML());
    return mapping.findForward(this.FORWARD_AJAX);
  }

  public AjaxMessagesXML getAjaxMessagesXML() {
    return ajaxMessagesXML;
  }

  public ForumService getForumService() {
    return forumService;
  }

  public void setAjaxMessagesXML(AjaxMessagesXML ajaxMessagesXML) {
    this.ajaxMessagesXML = ajaxMessagesXML;
  }

  public void setForumService(ForumService forumService) {
    this.forumService = forumService;
  }
}