org.subethamail.smtp.internal.io

Class ExtraDotOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

org.subethamail.smtp.internal.io.ExtraDotOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public final class ExtraDotOutputStream
extends FilterOutputStream

Adds extra dot if dot occurs in message body at beginning of line (according to RFC1939) Compare also org.apache.james.smtpserver.SMTPInputStream

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	LAST_WAS_CR
protected static int	LAST_WAS_LF
protected static int	LAST_WAS_OTHER
protected boolean	startOfLine
protected int	statusLast Counter for number of last (0A or 0D).

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
ExtraDotOutputStream(OutputStream out) Constructor that wraps an OutputStream.

Method Summary

Modifier and Type	Method and Description
void	write(byte[] buffer, int offset, int length)
void	write(int b) Writes a byte to the stream, adding dots where appropriate.
protected void	writeChunk(byte[] buffer, int offset, int length) Overrides super writeChunk in order to add a "." if the previous chunk ended with a new line and a new chunk starts with "."

Methods inherited from class java.io.FilterOutputStream

close, flush, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

statusLast

protected int statusLast

Counter for number of last (0A or 0D).

LAST_WAS_OTHER

protected static final int LAST_WAS_OTHER

See Also:

Constant Field Values

LAST_WAS_CR

protected static final int LAST_WAS_CR

See Also:

Constant Field Values

LAST_WAS_LF

protected static final int LAST_WAS_LF

See Also:

Constant Field Values

startOfLine

protected boolean startOfLine

Constructor Detail

ExtraDotOutputStream

public ExtraDotOutputStream(OutputStream out)

Constructor that wraps an OutputStream.

Parameters:

out - the OutputStream to be wrapped

Method Detail

writeChunk

protected void writeChunk(byte[] buffer,
                          int offset,
                          int length)
                   throws IOException

Overrides super writeChunk in order to add a "." if the previous chunk ended with a new line and a new chunk starts with "."

Throws:

IOException

See Also:

CRLFOutputStream.writeChunk(byte[], int, int)

write

public void write(int b)
           throws IOException

Writes a byte to the stream, adding dots where appropriate. Also fixes any naked CR or LF to the RFC 2821 mandated CRLF pairing.

Parameters:

b - the byte to write

Throws:

IOException - if an error occurs writing the byte

write

public void write(byte[] buffer,
                  int offset,
                  int length)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

See Also:

FilterOutputStream.write(byte[], int, int)