<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@ page import="java.util.*,java.io.*" %>

<%@ page import="java.text.SimpleDateFormat" %>

<%@ page import="org.apache.commons.fileupload.*" %>

<%@ page import="org.apache.commons.fileupload.disk.*" %>

<%@ page import="org.apache.commons.fileupload.servlet.*" %>

<%@ page import="org.json.simple.*" %>

<%



/**

 * KindEditor JSP

 * 

 * ?JSP???????????????????????

 * ?????????????????????????????

 * 

 */



//????????

String savePath = pageContext.getServletContext().getRealPath("/") + "attached/";



//??????URL

String saveUrl  = request.getContextPath() + "/attached/";



//????????????

HashMap<String, String> extMap = new HashMap<String, String>();

extMap.put("image", "gif,jpg,jpeg,png,bmp");

extMap.put("flash", "swf,flv");

extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");

extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");



//??????

long maxSize = 1000000;



response.setContentType("text/html; charset=UTF-8");



if(!ServletFileUpload.isMultipartContent(request)){

	out.println(getError("??????"));

	return;

}

//????

File uploadDir = new File(savePath);

if(!uploadDir.isDirectory()){

	out.println(getError("????????"));

	return;

}

//???????

if(!uploadDir.canWrite()){

	out.println(getError("??????????"));

	return;

}



String dirName = request.getParameter("dir");

if (dirName == null) {

	dirName = "image";

}

if(!extMap.containsKey(dirName)){

	out.println(getError("???????"));

	return;

}

//?????

savePath += dirName + "/";

saveUrl += dirName + "/";

File saveDirFile = new File(savePath);

if (!saveDirFile.exists()) {

	saveDirFile.mkdirs();

}

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");

String ymd = sdf.format(new Date());

savePath += ymd + "/";

saveUrl += ymd + "/";

File dirFile = new File(savePath);

if (!dirFile.exists()) {

	dirFile.mkdirs();

}



FileItemFactory factory = new DiskFileItemFactory();

ServletFileUpload upload = new ServletFileUpload(factory);

upload.setHeaderEncoding("UTF-8");

List items = upload.parseRequest(request);

Iterator itr = items.iterator();

while (itr.hasNext()) {

	FileItem item = (FileItem) itr.next();

	String fileName = item.getName();

	long fileSize = item.getSize();

	if (!item.isFormField()) {

		//??????

		if(item.getSize() > maxSize){

			out.println(getError("???????????"));

			return;

		}

		//?????

		String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();

		if(!Arrays.<String>asList(extMap.get(dirName).split(",")).contains(fileExt)){

			out.println(getError("????????????????\n???" + extMap.get(dirName) + "???"));

			return;

		}



		SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");

		String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt;

		try{

			File uploadedFile = new File(savePath, newFileName);

			item.write(uploadedFile);

		}catch(Exception e){

			out.println(getError("???????"));

			return;

		}



		JSONObject obj = new JSONObject();

		obj.put("error", 0);

		obj.put("url", saveUrl + newFileName);

		out.println(obj.toJSONString());

	}

}

%>

<%!

private String getError(String message) {

	JSONObject obj = new JSONObject();

	obj.put("error", 1);

	obj.put("message", message);

	return obj.toJSONString();

}

%>