jhelp.util.io.base64

Class Base64InputStream

java.lang.Object

java.io.InputStream

jhelp.util.io.base64.Base64InputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class Base64InputStream
extends java.io.InputStream

Read a base 64 stream

Author:

JHelp

Field Summary

Fields

Modifier and Type	Field and Description
private java.io.InputStream	inputStream Stream to read
private int	previous Previous value
private int	step Current step
private static int	STEP_1 First step
private static int	STEP_2 Second step
private static int	STEP_3 Third step
private static int	STEP_END Final step

Constructor Summary

Constructors

Constructor and Description
Base64InputStream(java.io.InputStream inputStream) Create a new instance of Base64InputStream

Method Summary

Methods

Modifier and Type	Method and Description
int	available() Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream Parent documentation:
void	close() Close the stream Parent documentation:
void	mark(int readlimit) Mark current position Parent documentation:
boolean	markSupported() Indicates if mark is supported Parent documentation:
int	read() Read one byte Parent documentation:
void	reset() Reset to previous mark Parent documentation:
long	skip(long n) Skip some bytes Parent documentation:

Methods inherited from class java.io.InputStream

read, read

Methods inherited from class java.lang.Object

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

Field Detail

STEP_1

private static final int STEP_1

First step

See Also:

Constant Field Values

STEP_2

private static final int STEP_2

Second step

See Also:

Constant Field Values

STEP_3

private static final int STEP_3

Third step

See Also:

Constant Field Values

STEP_END

private static final int STEP_END

Final step

See Also:

Constant Field Values

inputStream

private java.io.InputStream inputStream

Stream to read

previous

private int previous

Previous value

step

private int step

Current step

Constructor Detail

Base64InputStream

public Base64InputStream(java.io.InputStream inputStream)

Create a new instance of Base64InputStream

Parameters:

inputStream - Stream to read

Method Detail

available

public int available()
              throws java.io.IOException

Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream

Parent documentation:

Overrides:

available in class java.io.InputStream

Returns:

Estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream

Throws:

java.io.IOException - On computing issue

See Also:

InputStream.available()

close

public void close()
           throws java.io.IOException

Close the stream

Parent documentation:

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 - On closing issue

See Also:

InputStream.close()

mark

public void mark(int readlimit)

Mark current position

Parent documentation:

Overrides:

mark in class java.io.InputStream

Parameters:

readlimit - Read limit

See Also:

InputStream.mark(int)

markSupported

public boolean markSupported()

Indicates if mark is supported

Parent documentation:

Overrides:

markSupported in class java.io.InputStream

Returns:

true if mark is supported

See Also:

InputStream.markSupported()

read

public int read()
         throws java.io.IOException

Read one byte

Parent documentation:

Specified by:

read in class java.io.InputStream

Returns:

Byte read

Throws:

java.io.IOException - On reading issue

See Also:

InputStream.read()

reset

public void reset()
           throws java.io.IOException

Reset to previous mark

Parent documentation:

Overrides:

reset in class java.io.InputStream

Throws:

java.io.IOException - If mark not supported

See Also:

InputStream.reset()

skip

public long skip(long n)
          throws java.io.IOException

Skip some bytes

Parent documentation:

Overrides:

skip in class java.io.InputStream

Parameters:

n - Number of bytes to skip

Returns:

Number of skipped bytes

Throws:

java.io.IOException - On skipping bytes

See Also:

InputStream.skip(long)