java - Multiple files upload -

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i trying upload multiple files using extjs , java , using " application/x-www-form-urlencoded " content type , data , files' names httprequest. , need upload may kind of file. can doc type or image type.
problem following:

1) while giving static file path files static location uploaded successfully. need upload multiple files different locations rather 1 static location, please me possible..

this file upload controller code 

     @requestmapping(value = "views/upload.action", method = requestmethod.post) public @responsebody map<string, object> create(httpservletrequest request) throws ioexception {     map<string, object> fileupload = new hashmap();     boolean success = false;     enumeration headernames = request.getheadernames();     while (headernames.hasmoreelements()) {         string headername = (string) headernames.nextelement();         if (headername.equals("x-file-name")) {             system.out.println("header " + headername);             system.out.println(request.getheader(headername));             bufferedreader reader = request.getreader();             stringbuilder sb = new stringbuilder();             string line = reader.readline();             while (line != null) {                 sb.append(line + "\n");                 line = reader.readline();             }             reader.close();             string data = sb.tostring();             success = copyfile(data, request.getheader(headername));         }     }     fileupload.put("success", success);     return fileupload; } // open file input private boolean openfileinput(file file) {     try {         fis = new fileinputstream(file);         dis = new datainputstream(new bufferedinputstream(fis));         return true;     } catch (filenotfoundexception e) {         e.printstacktrace();         logger.error("file not found...!");         return false;     } } // copies file private boolean copyfile(string filedata, string filename) {     file file = new file("c://documents , settings/infosoft03/desktop/"             + filename);     //dis = new datainputstream(new bufferedinputstream(inputstream));      // file file = new file(filename);     boolean success = false;     try {         file dir = new file(propertyreader.getvalue("uploadpath"));         if (!dir.exists()) {             dir.mkdir();         }         // org.apache.commons.io.fileutils.writestringtofile(file,         // filedata);         //success = openfileinput(file);         if (success) {             success = true;             fos = new fileoutputstream(                     propertyreader.getvalue("uploadpath") + filename);             dos = new dataoutputstream(new bufferedoutputstream(fos));             byte[] b = new byte[(int) file.length()];             system.out.println("file length" + b.length);             (int = 0; < b.length; i++) {                 b[i] = dis.readbyte();             }             dos.write(b);         }     } catch (ioexception e) {         system.out.println("ioexception" + e.getmessage());         e.printstacktrace();         return success;     } {         if (dos != null) {             closeoutputstream(dos);         }         if (fos != null) {             closeoutputstream(fos);         }     }     return success; }


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