Package com.liusoft.dlog4j.action

Source Code of com.liusoft.dlog4j.action.MessageAction

/*
*  MessageAction.java
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU Library General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*  Author: Winter Lau
*  http://dlog4j.sourceforge.net
*/
package com.liusoft.dlog4j.action;

import java.util.Date;

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.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.hibernate.HibernateException;

import com.liusoft.dlog4j.DLOGSecurityManager;
import com.liusoft.dlog4j.beans.MessageBean;
import com.liusoft.dlog4j.beans.UserBean;
import com.liusoft.dlog4j.dao.MessageDAO;
import com.liusoft.dlog4j.dao.UserDAO;
import com.liusoft.dlog4j.formbean.MessageForm;
import com.liusoft.dlog4j.util.RequestUtils;
import com.liusoft.dlog4j.util.StringUtils;

/**
* ������ص�Action��
* @author Winter Lau
*/
public class MessageAction extends ActionBase {

  /**
   * ɾ�������Ѷ�����
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doDeleteAll(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response, String s_status) throws Exception      
  {
    MessageForm msg = (MessageForm)form;
    UserBean loginUser = super.getLoginUser(request, response);
    if(loginUser!=null){
      try{
        int status = Integer.parseInt(s_status);
        MessageDAO.deleteMsgs(loginUser.getId(),status);
      }catch(Exception e){
        context().log("delete message where status is "+s_status+" failed.", e);
      }
    }
    return makeForward(mapping.findForward("msgs"), msg.getSid());
  }
 
  /**
   * ɾ������
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doDelete(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response, String s_msg_id) throws Exception      
  {
    MessageForm msg = (MessageForm)form;
    UserBean loginUser = super.getLoginUser(request, response);
    if(loginUser!=null){
      try{
        int msg_id = Integer.parseInt(s_msg_id);
        MessageDAO.deleteMsg(loginUser.getId(), msg_id);
      }catch(Exception e){
        context().log("delete message #"+s_msg_id+" failed.", e);
      }
    }
    String ext = null;
    int page = RequestUtils.getParam(request, "p", -1);
    if(page > 1){
      ext = "p="+page;
    }
    return makeForward(mapping.findForward("msgs"), msg.getSid(), ext);
  }

  /**
   * ɾ��ѡ�е�����
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doDeleteMessages(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response) throws Exception      
  {
    MessageForm msg = (MessageForm)form;
    UserBean loginUser = super.getLoginUser(request, response);
    if(loginUser!=null){
      String[] mids = request.getParameterValues("mid");
      MessageDAO.deleteMsgs(loginUser.getId(), mids);
    }
    return makeForward(mapping.findForward("msgs"), msg.getSid());
  }

  /**
   * ��������
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doSendMsg(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response)
      throws Exception
  {
    MessageForm msgform = (MessageForm)form;
    super.validateClientId(request, msgform);
    ActionMessages msgs = new ActionMessages();
    while(true){
      if(msgform.getExpiredTime()!=null && msgform.getExpiredTime().before(new Date())){
        msgs.add("message", new ActionMessage("error.expired_time_not_available"));
        break;
      }
      if(StringUtils.isEmpty(msgform.getContent())){
        msgs.add("content", new ActionMessage("error.empty_content"));
        break;
      }
      if(msgform.getReceiverId()==0 || msgform.getSid()==0){
        msgs.add("message", new ActionMessage("error.param"));
        break;
      }
      UserBean loginUser = super.getLoginUser(request, response);
      if(loginUser==null){
        msgs.add("message", new ActionMessage("error.user_not_login"));
        break;
      }
      else if(loginUser.getStatus()!=UserBean.STATUS_NORMAL){
        msgs.add("message", new ActionMessage("error.user_not_available"));
        break;
      }
      else if(DLOGSecurityManager.IllegalGlossary.existIllegalWord(msgform.getContent())){
        msgs.add("message", new ActionMessage("error.illegal_glossary"));
        break;
      }
      UserBean receiver = UserDAO.getUserByID(msgform.getReceiverId());
      if(receiver==null || receiver.getStatus()!=UserBean.STATUS_NORMAL){
        msgs.add("message", new ActionMessage("error.user_not_available"));
        break;
      }
      //�жϽ������Ƿ��Ѿ��������߼�Ϊ������
      if(UserDAO.isUserInBlackList(receiver.getId(), loginUser.getId())){
        msgs.add("message", new ActionMessage("message.sent"));
        break;
      }
      MessageBean msgbean = new MessageBean();
      String content = StringUtils.abbreviate(super.autoFiltrate(null,
          msgform.getContent()), MAX_MESSAGE_LENGTH);
      msgbean.setContent(super.filterScriptAndStyle(content));
      msgbean.setExpiredTime(msgform.getExpiredTime());
      msgbean.setFromUser(loginUser);
      msgbean.setToUser(receiver);
      msgbean.setStatus(MessageBean.STATUS_NEW);
      msgbean.setSendTime(new Date());
      try{
        MessageDAO.save(msgbean);
        msgs.add("message", new ActionMessage("message.sent"));
      }catch(HibernateException e){
        context().log("undelete diary failed.", e);
        msgs.add("message", new ActionMessage("error.database", e.getMessage()));
      }
      break;
    }
   
    if(!msgs.isEmpty()){
      saveMessages(request, msgs);
    }
   
    return mapping.findForward("send");
  }
 
  /**
   * �ظ����Բ�ɾ�����ظ�����Ϣ
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doReplyMsgAndDeleteOld(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response)
      throws Exception
  {
    MessageForm msgform = (MessageForm)form;
    super.validateClientId(request, msgform);
    ActionMessages msgs = new ActionMessages();
    while(true){
      if(msgform.getExpiredTime()!=null && msgform.getExpiredTime().before(new Date())){
        msgs.add("message", new ActionMessage("error.expired_time_not_available"));
        break;
      }
      if(StringUtils.isEmpty(msgform.getContent())){
        msgs.add("content", new ActionMessage("error.empty_content"));
        break;
      }
      if(msgform.getReceiverId()==0 || msgform.getSid()==0){
        msgs.add("message", new ActionMessage("error.param"));
        break;
      }
      UserBean loginUser = super.getLoginUser(request, response);
      if(loginUser==null){
        msgs.add("message", new ActionMessage("error.user_not_login"));
        break;
      }
      else if(loginUser.getStatus()!=UserBean.STATUS_NORMAL){
        msgs.add("message", new ActionMessage("error.user_not_available"));
        break;
      }
      else if(DLOGSecurityManager.IllegalGlossary.existIllegalWord(msgform.getContent())){
        msgs.add("message", new ActionMessage("error.illegal_glossary"));
        break;
      }
      UserBean receiver = UserDAO.getUserByID(msgform.getReceiverId());
      if(receiver==null || receiver.getStatus()!=UserBean.STATUS_NORMAL){
        msgs.add("message", new ActionMessage("error.user_not_available"));
        break;
      }
      //�жϽ������Ƿ��Ѿ��������߼�Ϊ������
      if(UserDAO.isUserInBlackList(receiver.getId(), loginUser.getId())){
        msgs.add("message", new ActionMessage("message.sent"));
        break;
      }
      MessageBean msgbean = new MessageBean();
      String content = StringUtils.abbreviate(super.autoFiltrate(null,
          msgform.getContent()), MAX_MESSAGE_LENGTH);
      msgbean.setContent(super.filterScriptAndStyle(content));
      msgbean.setExpiredTime(msgform.getExpiredTime());
      msgbean.setFromUser(loginUser);
      msgbean.setToUser(receiver);
      msgbean.setStatus(MessageBean.STATUS_NEW);
      msgbean.setSendTime(new Date());
      try{
        MessageDAO.replyAndDeleteMessage(msgform.getMsgID(), msgbean);
        msgs.add("message", new ActionMessage("message.sent"));
      }catch(HibernateException e){
        context().log("undelete diary failed.", e);
        msgs.add("message", new ActionMessage("error.database", e.getMessage()));
      }
      break;
    }
   
    if(!msgs.isEmpty()){
      saveMessages(request, msgs);
    }
   
    return mapping.findForward("send");
  }
}
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