opensightspotaction.java

旅游自助系统

/**
 * 
 */
package org.tshs.action.traveldeptaction;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Vector;

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

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 org.apache.struts.upload.FormFile;
import org.tshs.actionform.traveldept.OpenSightspotForm;
import org.tshs.core.AuthenticationManager;
import org.tshs.entity.TravelCorp;
/**
 * 
 * @author tiantian
 *
 */
public final class OpenSightspotAction extends Action {
	public ActionForward execute(ActionMapping mapping,
			 ActionForm form,
			      HttpServletRequest request, HttpServletResponse response){
		HttpSession session = request.getSession();
		Object obj = session.getAttribute("dept");
		if (obj == null) {
			request.setAttribute("message", "你的操作需要以旅游局身份登陆后才能执行！");
			return mapping.findForward("dept.needlogin");
		}
		OpenSightspotForm osf = (OpenSightspotForm) form;
		String name = osf.getName();
		String address = osf.getAddress();
		FormFile file = osf.getTheFile();
		String discription = osf.getDescription();
		String filePath = this.getServlet().getServletContext().getRealPath("/");
		String extention = null;
		String message = "";
		if(name == null||name.trim().length()==0){
			message += "景点名称不能为空；";
		}else{
			try {
				if (AuthenticationManager.existSight(name)) {
					message += "名为" + name + "的景点已经被注册; ";
				}
			} catch (Exception e1) {
				e1.printStackTrace();
				Vector v = new Vector();
				v.add("景点添加失败，请稍后重试！");
				request.setAttribute("errors", v);
				return mapping.findForward("error");
			}
		}
		if(address==null||address.trim().length()==0){
			message += "景点地址不能为空；";
		}
		if(discription==null||discription.trim().length()==0){
			message += "景点简介不能为空；";
		}
		if(file == null||file.getFileSize()==0){
			message += "上传相片不能为空，重新上传！";
		}
		if(message.length()>0){
			request.setAttribute("message", message);
			return mapping.findForward("failure");
		}
		

		if (file != null) {
			try {
				InputStream stream = file.getInputStream();// 把文件读入
				String filename = file.getFileName();
				extention = filename.substring(filename.lastIndexOf('.'));
				File f = new File(filePath+"/upload");
				if(!f.exists()){
					f.mkdir();
				}
				File toFile = new File(filePath + "/upload/temp" + extention);
				/*
				 * if(!toFile.exists()){ toFile.createNewFile(); }
				 */
				System.out.println(toFile.getAbsolutePath());
				OutputStream bos = new FileOutputStream(toFile);// 建立一个上传文件的输出流
				int bytesRead = 0;
				byte[] buffer = new byte[8192];
				while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
					bos.write(buffer, 0, bytesRead);// 将文件写入服务器
				}
				bos.close();
				stream.close();
			} catch (Exception e) {
				System.err.print(e);
			}
		}
	        
		String pageForward="failure";
		if(AuthenticationManager.openSightspot(filePath, name, address, extention, discription)){
			pageForward="success";
			request.setAttribute("message", "你已经成功添加这个景点！");
			request.setAttribute("sight", AuthenticationManager.searchSightspot(name).get(0));
		}
		if(pageForward.equals("failure")){
			request.setAttribute("message", "景点添加未成功，请稍后重试！");
		}
		return mapping.findForward(pageForward);
	}
}