downfileaction.java

不说了

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.david.struts.action;

import java.io.IOException;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DownloadAction;
import org.apache.struts.upload.FormFile;

import com.david.bo.File;
import com.david.bo.Userinfo;
import com.david.dao.IDowntimesDao;
import com.david.service.IDowntimesService;
import com.david.service.IFileService;
import com.david.service.IUserinfoService;
import com.david.service.IUserpointService;
import com.david.util.IFileUtil;

/** 
 * MyEclipse Struts
 * Creation date: 10-22-2007
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class DownFileAction extends DownloadAction {
	/*
	 * Generated Methods
	 */
	/**
	 * 
	 */
	private IFileService fileService;
	
	private IUserpointService userpointService;
	
	private IDowntimesService downtimesService;
	
	private IFileUtil fileUtil;
	
	
	public void setFileUtil(IFileUtil fileUtil) {
		this.fileUtil = fileUtil;
	}

	public void setDowntimesService(IDowntimesService downtimesService) {
		this.downtimesService = downtimesService;
	}

	@Override
	protected StreamInfo getStreamInfo(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		// TODO Auto-generated method stub
		int fileId=Integer.parseInt(request.getParameter("fileId"));
		HttpSession session=request.getSession();
		//Userinfo userinfo=(Userinfo)request.getSession().getAttribute("USERINFO");
		if(session.getAttribute("USERINFO")==null){
			response.getWriter().print("Error!<br/>You must login at first!");
			return null;			
		}else{
			File file=fileService.getFileById(fileId);	
			
			Userinfo userinfo=(Userinfo)session.getAttribute("USERINFO");
			Userinfo author=file.getCategory().getUserinfo();
			
			int point=file.getFilepoint().getPoint(); 
			
			System.out.println(author.getUserpoint().getId()+"  +  "+userinfo.getUserpoint().getId()+"  +   "+point);
			
			if(userinfo.getUsername().equals(author.getUsername())){
				;
			}else{
				userpointService.executeDownPoint(author, userinfo, point);
			}
			
			downtimesService.add(file.getDowntimes());
			
			response.setHeader("Content-disposition", "attachment;filename="+file.getFileName()+"."+fileUtil.getFileSuffix(file.getFileUrl()));
			FileStreamInfo fileStreamInfo=new FileStreamInfo(file.getContentType(),new java.io.File(file.getFileUrl()));
			return fileStreamInfo;
		}
	}
	
	public void setFileService(IFileService fileService) {
		this.fileService = fileService;
	}

	public void setUserpointService(IUserpointService userpointService) {
		this.userpointService = userpointService;
	}

}