messagewebhandler.java

解觖java技术中后台无法上传数给的情况

/*
 * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/user/MessageWebHandler.java,v 1.91 2006/04/14 17:05:27 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.91 $
 * $Date: 2006/04/14 17:05:27 $
 *
 * ====================================================================
 *
 * Copyright (C) 2002-2006 by MyVietnam.net
 *
 * All copyright notices regarding mvnForum MUST remain 
 * intact in the scripts and in the outputted HTML.
 * The "powered by" text/logo with a link back to
 * http://www.mvnForum.com and http://www.MyVietnam.net in 
 * the footer of the pages MUST remain visible when the pages
 * are viewed on the internet or intranet.
 *
 * 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
 * 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 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
 *
 * Support can be obtained from support forums at:
 * http://www.mvnForum.com/mvnforum/index
 *
 * Correspondence and Marketing Questions can be sent to:
 * info at MyVietnam net
 *
 * @author: Minh Nguyen  
 * @author: Mai  Nguyen  
 */
package com.mvnforum.user;

import java.sql.Timestamp;
import java.util.*;

import com.mvnforum.*;
import com.mvnforum.auth.*;
import com.mvnforum.common.PrivateMessageUtil;
import com.mvnforum.db.*;
import net.myvietnam.mvncore.exception.*;
import net.myvietnam.mvncore.filter.DisableHtmlTagFilter;
import net.myvietnam.mvncore.interceptor.InterceptorService;
import net.myvietnam.mvncore.security.FloodControl;
import net.myvietnam.mvncore.util.*;
import net.myvietnam.mvncore.web.GenericRequest;
import net.myvietnam.mvncore.web.GenericResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class MessageWebHandler {

    private static Log log = LogFactory.getLog(MessageWebHandler.class);

    private OnlineUserManager onlineUserManager = OnlineUserManager.getInstance();

    public MessageWebHandler() {
    }

    public void prepareAdd(GenericRequest request, GenericResponse response)
        throws AssertionException, DatabaseException, AuthenticationException,
        BadInputException, ObjectNotFoundException {

        Locale locale = I18nUtil.getLocaleInRequest(request);

        if (MVNForumConfig.getEnablePrivateMessage() == false) {
            String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.AssertionException.private_message_disabled");
            throw new AssertionException(localizedMessage);
            //throw new AssertionException("Cannot operate with private messages. Because the private message feature is disabled");
        }

        MyUtil.saveVNTyperMode(request, response);

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        permission.ensureIsAuthenticated();
        permission.ensureCanUseMessage();

        boolean isPreviewing = GenericParamUtil.getParameterBoolean(request, "preview");
        boolean isForward    = GenericParamUtil.getParameterBoolean(request, "forward");

        int parentMessageID = 0;
        try {
            parentMessageID = GenericParamUtil.getParameterInt(request, "parent");
        } catch (Exception ex) {
            // do nothing
            // NOTE: we cannot return here since user can have a parameter parent = 0
        }

        if (parentMessageID != 0) { // Reply
            MessageBean parentMessageBean = null;
            try {
                parentMessageBean = DAOFactory.getMessageDAO().getMessage(parentMessageID);
            } catch (ObjectNotFoundException e) {
                String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.ObjectNotFoundException.messageid_not_exists", new Object[] {new Integer(parentMessageID)});
                throw new ObjectNotFoundException(localizedMessage);
            }
            if (parentMessageBean.getMemberID() != onlineUser.getMemberID()) {
                String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.BadInputException.pm_not_belongs_to_you");
                throw new BadInputException(localizedMessage);
                //throw new BadInputException("This Private Message does not belong to you");
            }
            request.setAttribute("ParentMessageBean", parentMessageBean);

            // We prepare showing attached files (if any), it's used for Forward Method
            if (isForward) {
                //MessageBean should have AttachBeans value as default
                Collection attachBeans = DAOFactory.getPmAttachmentDAO().getPmAttachments_inMessage(parentMessageID);
                request.setAttribute("AttachBeans", attachBeans);
            }
        }

        if (isPreviewing) {

            boolean sendAll = false;
            if (MVNForumConfig.getEnablePublicMessage() && permission.canAdminSystem()) {
                sendAll = GenericParamUtil.getParameterBoolean(request, "sendall");
            }

            int logonMemberID = onlineUser.getMemberID();

            String messageToList = GenericParamUtil.getParameterSafe(request, "MessageToList", !(sendAll));
            messageToList = messageToList.replace(',', ';');
            messageToList = DisableHtmlTagFilter.filter(messageToList);// always disable HTML

            String messageCcList = GenericParamUtil.getParameterSafe(request, "MessageCcList", false);
            messageCcList = messageCcList.replace(',', ';');
            messageCcList = DisableHtmlTagFilter.filter(messageCcList);// always disable HTML

            String messageBccList = GenericParamUtil.getParameterSafe(request, "MessageBccList", false);
            messageBccList = messageBccList.replace(',', ';');
            messageBccList = DisableHtmlTagFilter.filter(messageBccList);// always disable HTML

            GenericParamUtil.getParameter(request, "MessageTopic", true);
            GenericParamUtil.getParameter(request, "message", true);// use message instead of MessageBody

            MemberBean memberBean = null;
            try {
                memberBean = MemberCache.getInstance().getMember_forPublic(logonMemberID);
            } catch (ObjectNotFoundException e) {
                String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.ObjectNotFoundException.memberid_not_exists", new Object[] {new Integer(logonMemberID)});
                throw new ObjectNotFoundException(localizedMessage);
            }

            String[] receivedMembers = StringUtil.getStringArrays(messageToList, messageCcList, messageBccList, ";");

            if (sendAll == false) {
                if (receivedMembers.length == 0) {
                    String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.AssertionException.cannot_send_message.no_receivers");
                    throw new AssertionException(localizedMessage);
                }
                MyUtil.checkMembers(receivedMembers, locale);//check to make sure that members are existed
            }

            request.setAttribute("MemberBean", memberBean);
        }

        //Get MemberTutor (only for Netmama's), it uses to check permision for send message
        // First, we will check if LoginID is a tutor or Admin
        boolean isTutorAdmin = true;
        try {
            if (MVNForumConfig.getEnableCompany()) {
                DAOFactory.getMemberGroupDAO().isTutor(onlineUser.getMemberID());
            }
        } catch (ObjectNotFoundException ex) {
            isTutorAdmin = false;
        }

        if (permission.canAdminSystem()) { /*This member is an admin*/
            isTutorAdmin = true;
        }

        if ((isTutorAdmin == false) && MVNForumConfig.getEnableCompany()) {
            MemberTutorBean memberTutorBean = null;
            try {
                memberTutorBean = DAOFactory.getMemberTutorDAO().getBean(onlineUser.getMemberID());
            } catch (ObjectNotFoundException ex) {
                // it means memberTutorBean is null and this user doesn't have tutor
            }
            request.setAttribute("MemberTutorBean", memberTutorBean);
        }
        request.setAttribute("IsTutorAdmin", new Boolean(isTutorAdmin));
    }

    public void processAdd(GenericRequest request, GenericResponse response)
        throws ObjectNotFoundException, AssertionException, DatabaseException, CreateException,
        BadInputException, ForeignKeyNotFoundException, AuthenticationException, InterceptorException, FloodException {

        Locale locale = I18nUtil.getLocaleInRequest(request);

        if (MVNForumConfig.getEnablePrivateMessage() == false) {
            String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.AssertionException.private_message_disabled");
            throw new AssertionException(localizedMessage);
            //throw new AssertionException("Cannot operate with private messages. Because the private message feature is disabled");
        }

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        permission.ensureIsAuthenticated();
        permission.ensureCanUseMessage();

        String currentIP = request.getRemoteAddr();
        try {
            FloodControl.ensureNotReachMaximum(MVNForumGlobal.FLOOD_ID_NEW_MESSAGE, currentIP);
        } catch (FloodException fe) {
            //throw new FloodException("You have reached the maximum number of the private message adding actions for this page. Please try this page later. This is to prevent forum from being flooded.");
            Integer maxMessages = new Integer(FloodControl.getActionsPerHour(MVNForumGlobal.FLOOD_ID_NEW_MESSAGE));
            String localizedMessage = MVNForumResourceBundle.getString(locale, "mvncore.exception.FloodException.send_message_too_many_times", new Object[] {maxMessages});
            throw new FloodException(localizedMessage);
        }

        MyUtil.saveVNTyperMode(request, response);

        int logonMemberID = onlineUser.getMemberID();
        String memberName = onlineUser.getMemberName();

        boolean sendAll = false;

        if (MVNForumConfig.getEnablePublicMessage() && permission.canAdminSystem()) {
            sendAll = GenericParamUtil.getParameterBoolean(request, "sendall");
        }