public class QPEncoderStream
extends java.io.FilterOutputStream
Modifier and Type | Field and Description |
---|---|
private int |
bytesPerLine |
private int |
count |
private boolean |
gotCR |
private boolean |
gotSpace |
private static char[] |
hex |
Constructor and Description |
---|
QPEncoderStream(java.io.OutputStream out)
Create a QP encoder that encodes the specified input stream.
|
QPEncoderStream(java.io.OutputStream out,
int bytesPerLine)
Create a QP encoder that encodes the specified input stream
|
Modifier and Type | Method and Description |
---|---|
void |
close()
Forces any buffered output bytes to be encoded out to the stream
and closes this output stream.
|
void |
flush()
Flushes this output stream and forces any buffered output bytes
to be encoded out to the stream.
|
protected void |
output(int c,
boolean encode) |
private void |
outputCRLF() |
void |
write(byte[] b)
Encodes
b.length bytes to this output stream. |
void |
write(byte[] b,
int off,
int len)
Encodes
len bytes from the specified
byte array starting at offset off to
this output stream. |
void |
write(int c)
Encodes the specified
byte to this output stream. |
private int count
private int bytesPerLine
private boolean gotSpace
private boolean gotCR
private static final char[] hex
public QPEncoderStream(java.io.OutputStream out, int bytesPerLine)
out
- the output streambytesPerLine
- the number of bytes per line. The encoder
inserts a CRLF sequence after this many number
of bytes.public QPEncoderStream(java.io.OutputStream out)
out
- the output streampublic void write(byte[] b, int off, int len) throws java.io.IOException
len
bytes from the specified
byte
array starting at offset off
to
this output stream.write
in class java.io.FilterOutputStream
b
- the data.off
- the start offset in the data.len
- the number of bytes to write.java.io.IOException
- if an I/O error occurs.public void write(byte[] b) throws java.io.IOException
b.length
bytes to this output stream.write
in class java.io.FilterOutputStream
b
- the data to be written.java.io.IOException
- if an I/O error occurs.public void write(int c) throws java.io.IOException
byte
to this output stream.write
in class java.io.FilterOutputStream
c
- the byte
.java.io.IOException
- if an I/O error occurs.public void flush() throws java.io.IOException
flush
in interface java.io.Flushable
flush
in class java.io.FilterOutputStream
java.io.IOException
- if an I/O error occurs.public void close() throws java.io.IOException
close
in interface java.io.Closeable
close
in interface java.lang.AutoCloseable
close
in class java.io.FilterOutputStream
java.io.IOException
- for I/O errorsprivate void outputCRLF() throws java.io.IOException
java.io.IOException
protected void output(int c, boolean encode) throws java.io.IOException
java.io.IOException