image4.jsp

A brew application taking backup of the device

<%--
    Document   : Image3
    Created on : Feb 6, 2009, 3:56:53 PM
    Author     : Work IS Passion
--%>
<%@ page import="java.io.*" %>
<? xml version="1.0" encoding="ISO-8859-1" ?>
<%
  String savePath = "D:\\123data\\";
  String filename = "abc";
  ServletInputStream in = request.getInputStream();
  out.print("Input stream is :"+in);
  byte[] line = new byte[128];
  int i = in.readLine(line, 0, 128);
  out.print("value of i :"+i);
  int boundaryLength = i - 2;
  String boundary = new String(line, 0, boundaryLength);
  out.println("Hello  : "+boundary);
  //-2 discards the newline character

  while (i != -1) {
    String newLine = new String(line, 0, i);
    if (newLine.startsWith("Content-Disposition: form-data; name=\"")) {
      String s = new String(line, 0, i-2);
      int pos = s.indexOf("filename=\"");
      if (pos != -1) {
        String filepath = s.substring(pos+10, s.length()-1);
        // Windows browsers include the full path on the client
        // But Linux/Unix and Mac browsers only send the filename
        // test if this is from a Windows browser
        pos = filepath.lastIndexOf("\\");
        if (pos != -1)
          filename = filepath.substring(pos + 1);
        else
          filename = filepath;
      }

      //this is the file content
     i = in.readLine(line, 0, 128);
     i = in.readLine(line, 0, 128);
      // blank line
      i = in.readLine(line, 0, 128);

      ByteArrayOutputStream buffer = new ByteArrayOutputStream();
      newLine = new String(line, 0, i);

      while (i != -1 && !newLine.startsWith(boundary)) {
        // the problem is the last line of the file content
        // contains the new line character.
        // So, we need to check if the current line is
        // the last line.
        buffer.write(line, 0, i);
        i = in.readLine(line, 0, 128);
        newLine = new String(line, 0, i);
      }
      try {
        // save the uploaded file
        RandomAccessFile f = new RandomAccessFile(
          savePath + filename, "rw");
        byte[] bytes = buffer.toByteArray();
        f.write(bytes, 0, bytes.length - 2);
        f.close();
      }
      catch (Exception e) {}
    }
    i = in.readLine(line, 0, 128);

  } // end while
%>