Upload MS DOC or Image file errors.

[Daxin Zuo]

Hi, I am use the File Upload. I need to read the whole file contents in a
String buffer. If the file is text, it works. But if the file is in other
format, such as MS Doc, I can load the file, and the file size is the same
comparing the original file, but the format is  changed, and I cannot open
it. The related code in a servlet is as following:

    .....
    int nSize=0;
    // now !item.isFormField()
    java.io.InputStream fstrm = item.getInputStream();
    int rnum=0;
    buf = new byte[262144];       // the doc file size I am testing is
13XXXX buyes.
    while (rnum>=0){              // I have to read all the contents
      rnum = fstrm.read(buf, (int)nSize, 100);
      if (rnum> 0) nSize += rnum;
    }
    fstrm.close();

    if ( nSize>0) {
      pBuffer = new String(buf, 0, (int)nSize);
      // I like to test if it read correctly:
      FileWriter fileOut = new
FileWriter("C:/DocAttachment/strFileName.doc");
      fileOut.write(pBuffer);
      fileOut.flush();
      fileOut.close();
       ......
     }

I use Apache2 and Tomcat5.
Please forward instruction.


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