JSP to Upload File

<%@ page import="java.io.*" %>
<%@ page import="org.apache.tools.zip.ZipEntry" %>
<%@ page import="org.apache.tools.zip.ZipOutputStream" %>
<%
/* By Sami and El-dib */

  String filename = "";
    ServletInputStream in = request.getInputStream();
    byte[] line = new byte[128*2];
    long file_size = 0;
    int i = in.readLine(line, 0, 128*2);
    int boundaryLength = i - 2;
    String boundary = new String(line, 0, boundaryLength); //-2
     
    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*2);
    i = in.readLine(line, 0, 128*2);
    // blank line
    i = in.readLine(line, 0, 128*2);
    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*2);
    newLine = new String(line, 0, i);
    }
    // save the uploaded file 
     
    byte[] bytes = buffer.toByteArray();
         
    // Create a buffer for reading the files
     String[] filenames = new String[]{filename};
   
    // Create a buffer for reading the files
     
     
// Compress the files
    // Add ZIP entry to output stream.

        try
        {
           
            File myfile = new File("/example/1/");
            myfile.mkdir();
            // Transfer bytes from the file to the ZIP file
          //  ZipOutputStream outz = new ZipOutputStream(new FileOutputStream("home/content/M/o/h/Mohamed2007/html/1/1_subarabia.zip"));
             ZipOutputStream outz = new ZipOutputStream(new FileOutputStream("/example/1/"));
           outz.putNextEntry(new ZipEntry(filename));
            outz.write( bytes,0, bytes.length-2);
             outz.closeEntry();
              outz.close();
        } catch (IOException ex) {
           out.println(ex.toString());
        }
    }
    i = in.readLine(line, 0, 128*2);
    }

out.println("Finish");
%>