org.apache.james.mime4j.codec

Class Base64InputStream

java.lang.Object

java.io.InputStream

org.apache.james.mime4j.codec.Base64InputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class Base64InputStream
extends java.io.InputStream

Performs Base-64 decoding on an underlying stream.

Field Summary

Fields

Modifier and Type	Field and Description
private static int[]	BASE64_DECODE
private static byte	BASE64_PAD
private boolean	closed
private ByteArrayBuffer	decodedBuf
private byte[]	encoded
private static int	ENCODED_BUFFER_SIZE
private boolean	eof
private static int	EOF
private java.io.InputStream	in
private DecodeMonitor	monitor
private int	position
private byte[]	singleByte
private int	size

Constructor Summary

Constructors

Modifier	Constructor and Description
	Base64InputStream(java.io.InputStream in)
	Base64InputStream(java.io.InputStream in, boolean strict)
	Base64InputStream(java.io.InputStream in, DecodeMonitor monitor)
protected	Base64InputStream(int bufsize, java.io.InputStream in, DecodeMonitor monitor)

Method Summary

Modifier and Type	Method and Description
void	close()
private int	decodePad(int data, int sextets, byte[] buffer, int index, int end)
private void	handleUnexpecedPad(int sextets)
private void	handleUnexpectedEof(int sextets)
int	read()
int	read(byte[] buffer)
int	read(byte[] buffer, int offset, int length)
private int	read0(byte[] buffer, int off, int len)

Methods inherited from class java.io.InputStream

available, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

ENCODED_BUFFER_SIZE

private static final int ENCODED_BUFFER_SIZE

See Also:

Constant Field Values

BASE64_DECODE

private static final int[] BASE64_DECODE

BASE64_PAD

private static final byte BASE64_PAD

See Also:

Constant Field Values

EOF

private static final int EOF

See Also:

Constant Field Values

singleByte

private final byte[] singleByte

in

private final java.io.InputStream in

encoded

private final byte[] encoded

decodedBuf

private final ByteArrayBuffer decodedBuf

position

private int position

size

private int size

closed

private boolean closed

eof

private boolean eof

monitor

private final DecodeMonitor monitor

Constructor Detail

Base64InputStream

public Base64InputStream(java.io.InputStream in,
                         DecodeMonitor monitor)

Base64InputStream

protected Base64InputStream(int bufsize,
                            java.io.InputStream in,
                            DecodeMonitor monitor)

Base64InputStream

public Base64InputStream(java.io.InputStream in)

Base64InputStream

public Base64InputStream(java.io.InputStream in,
                         boolean strict)

Method Detail

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] buffer)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] buffer,
                int offset,
                int length)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

read0

private int read0(byte[] buffer,
                  int off,
                  int len)
           throws java.io.IOException

Throws:

java.io.IOException

decodePad

private int decodePad(int data,
                      int sextets,
                      byte[] buffer,
                      int index,
                      int end)
               throws java.io.IOException

Throws:

java.io.IOException

handleUnexpectedEof

private void handleUnexpectedEof(int sextets)
                          throws java.io.IOException

Throws:

java.io.IOException

handleUnexpecedPad

private void handleUnexpecedPad(int sextets)
                         throws java.io.IOException

Throws:

java.io.IOException