Re: base64binary

=?ISO-8859-1?Q?Arne_Vajh=F8j?= <>
Thu, 18 Oct 2007 19:18:01 -0400
<4717e9a6$0$90267$> wrote:

I have a class that receives some data encoded as a base64binary
string from a SOAP request, and stores it in a byte array. I need to
write it to a binary file on disc. I thought that just writing the
byte array with a FileOutputStream would do this, but this seems to
result in writing the base64 encoding which was received.
How do I convert this array into the binary data?

Decode it before writing.

Base64 suppurt are in the Java Mail API.

Code snippets:

    public static byte[] b64encode(byte[] b) throws Exception {
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       OutputStream b64os = MimeUtility.encode(baos, "base64");
       return baos.toByteArray();
    public static byte[] b64decode(byte[] b) throws Exception {
       ByteArrayInputStream bais = new ByteArrayInputStream(b);
       InputStream b64is = MimeUtility.decode(bais, "Base64");
       byte[] tmp = new byte[b.length];
       int n =;
       byte[] res = new byte[n];
       System.arraycopy(tmp, 0, res, 0, n);
       return res;


PS: Don't your web service toolkit decode automatically ??

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