uploadfilelistaction.java

非常有影响的 j道 论 坛 源码 国外很有明的专家编写的 ....对java爱好者很有参考价值

/*
 * Copyright 2003-2005 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package com.jdon.jivejdon.presentation.action;

import java.util.Collection;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
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.jdon.controller.WebAppUtil;
import com.jdon.jivejdon.model.Property;
import com.jdon.jivejdon.model.ForumMessage;
import com.jdon.jivejdon.presentation.form.UpLoadFileForm;
import com.jdon.jivejdon.service.AccountService;
import com.jdon.jivejdon.service.ForumMessageService;
import com.jdon.jivejdon.service.UploadService;
import com.jdon.strutsutil.FormBeanUtil;
import com.jdon.strutsutil.ModelListForm;
import com.jdon.util.UtilValidate;

/**
 * @author <a href="mailto:[e-mail]">banq</a>
 *
 */
public class UploadFileListAction extends Action {
    private final static Logger logger = Logger.getLogger(UploadFileListAction.class);
    
    
    public ActionForward execute(ActionMapping actionMapping,
            ActionForm actionForm,
            HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        logger.debug("enter UploadFileListAction");
        ModelListForm listForm = (ModelListForm)actionForm;
        String messageId = request.getParameter("parentId");
        Long messageIdL = new Long(0);
        if (!UtilValidate.isEmpty(messageId)){
            messageIdL = new Long(messageId);
            authFilter(request, messageIdL);
        }else{
            logger.debug("no paramter parentId, it is create!");
        }
        UploadService uploadService = (UploadService) WebAppUtil.getService("uploadService", request);
        Collection list = uploadService.getAllUploadFiles(messageIdL);
        listForm.setList(list);
        
        return actionMapping.findForward("success");
    }
    
    private void authFilter(HttpServletRequest request, Long messageId){
    	logger.debug("enter authFilter");
    	UpLoadFileForm upLoadFileForm= (UpLoadFileForm)FormBeanUtil.lookupActionForm(request, "upLoadFileForm");
    	if (upLoadFileForm == null){
    		upLoadFileForm.setAuthenticated(false);
    		logger.debug("please config acion filter for upload view in struts-config-upload");
    		return;
    	}
    	AccountService accountService = (AccountService) WebAppUtil.getService("accountService", request);
 		com.jdon.jivejdon.model.Account account = accountService.getloginAccount();
 		if (account == null){
 			upLoadFileForm.setAuthenticated(false);
 			return;
 		}
 		ForumMessageService forumMessageService = (ForumMessageService) WebAppUtil.getService("forumMessageService", request);
 		ForumMessage forumMessage = forumMessageService.getMessage(messageId);
 		boolean isallowEdit = forumMessageService.checkIsAuthenticated(forumMessage);
 		upLoadFileForm.setAuthenticated(isallowEdit);
         
    }


}