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java.lang.Objectjava.io.OutputStream
java.io.FilterOutputStream
com.sun.mail.util.BASE64EncoderStream
public class BASE64EncoderStream
This class implements a BASE64 encoder. It is implemented as a FilterOutputStream, so one can just wrap this class around any output stream and write bytes into this filter. The encoding is done as the bytes are written out.
| Field Summary |
|---|
| Fields inherited from class java.io.FilterOutputStream |
|---|
out |
| Constructor Summary | |
|---|---|
BASE64EncoderStream(OutputStream out)
Create a BASE64 encoder that encodes the specified input stream. |
|
BASE64EncoderStream(OutputStream out,
int bytesPerLine)
Create a BASE64 encoder that encodes the specified output stream. |
|
| Method Summary | |
|---|---|
void |
close()
Forces any buffered output bytes to be encoded out to the stream and closes this output stream |
static byte[] |
encode(byte[] inbuf)
Base64 encode a byte array. |
void |
flush()
Flushes this output stream and forces any buffered output bytes to be encoded out to the stream. |
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. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public BASE64EncoderStream(OutputStream out,
int bytesPerLine)
out - the output streambytesPerLine - number of bytes per line. The encoder inserts
a CRLF sequence after the specified number of bytes,
unless bytesPerLine is Integer.MAX_VALUE, in which
case no CRLF is inserted. bytesPerLine is rounded
down to a multiple of 4.public BASE64EncoderStream(OutputStream out)
out - the output stream| Method Detail |
|---|
public void write(byte[] b,
int off,
int len)
throws IOException
len bytes from the specified
byte array starting at offset off to
this output stream.
write in class FilterOutputStreamb - the data.off - the start offset in the data.len - the number of bytes to write.
IOException - if an I/O error occurs.
public void write(byte[] b)
throws IOException
b.length bytes to this output stream.
write in class FilterOutputStreamb - the data to be written.
IOException - if an I/O error occurs.
public void write(int c)
throws IOException
byte to this output stream.
write in class FilterOutputStreamc - the byte.
IOException - if an I/O error occurs.
public void flush()
throws IOException
flush in interface Flushableflush in class FilterOutputStreamIOException - if an I/O error occurs.
public void close()
throws IOException
close in interface Closeableclose in class FilterOutputStreamIOExceptionpublic static byte[] encode(byte[] inbuf)
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