Field Detail

• digest

  protected MessageDigest digest

  The message digest associated with this stream.

Constructor Detail

• DigestWriter

  public DigestWriter(Writer writer,
              MessageDigest digest)

  Creates a digest writer, using the specified writer and message digest.

  Parameters:

  writer - the writer.

  digest - the message digest to associate with this writer.

Method Detail

• getMessageDigest

  public MessageDigest getMessageDigest()

  Returns the message digest associated with this writer.

  Returns:

  the message digest associated with this writer.

  See Also:

  setMessageDigest(java.security.MessageDigest)

• setMessageDigest

  public void setMessageDigest(MessageDigest digest)

  Associates the specified message digest with this writer.

  Parameters:

  digest - the message digest to be associated with this writer.

  See Also:

  getMessageDigest()

• write

  public void write(int c)
             throws IOException

  Overrides:

  write in class FilterWriter

  Throws:

  IOException

• write

  public void write(char[] cbuf,
           int off,
           int len)
             throws IOException

  Overrides:

  write in class FilterWriter

  Throws:

  IOException

• write

  public void write(String str,
           int off,
           int len)
             throws IOException

  Overrides:

  write in class FilterWriter

  Throws:

  IOException

• on

  public void on(boolean on)

  Turns the digest function on or off. The default is on. When it is on, a call to one of the write methods results in an update on the message digest. But when it is off, the message digest is not updated.

  Parameters:

  on - true to turn the digest function on, false to turn it off.

• toString

  public String toString()

  Prints a string representation of this digest output stream and its associated message digest object.

  Overrides:

  toString in class Object