org.apache.commons.io.input
Class CharSequenceInputStream

java.lang.Object
  java.io.InputStream
      org.apache.commons.io.input.CharSequenceInputStream

All Implemented Interfaces:

java.io.Closeable

public class CharSequenceInputStream
extends java.io.InputStream

InputStream implementation that can read from String, StringBuffer, StringBuilder or CharBuffer.

Note: Supports mark(int) and reset().

Since:

2.2

Field Summary

private java.nio.ByteBuffer	bbuf
private java.nio.CharBuffer	cbuf
private java.nio.charset.CharsetEncoder	encoder
private int	mark

Constructor Summary

CharSequenceInputStream(java.lang.CharSequence s, java.nio.charset.Charset charset)
Constructor, calls CharSequenceInputStream(CharSequence, Charset, int) with a buffer size of 2048.

CharSequenceInputStream(java.lang.CharSequence s, java.nio.charset.Charset charset, int bufferSize)
Constructor.

CharSequenceInputStream(java.lang.CharSequence s, java.lang.String charset)
Constructor, calls CharSequenceInputStream(CharSequence, String, int) with a buffer size of 2048.

CharSequenceInputStream(java.lang.CharSequence s, java.lang.String charset, int bufferSize)
Constructor, calls CharSequenceInputStream(CharSequence, Charset, int).

Method Summary

int	available()
void	close()
private void	fillBuffer() Fills the byte output buffer from the input char buffer.
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.lang.Object

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

Field Detail

encoder

private final java.nio.charset.CharsetEncoder encoder

cbuf

private final java.nio.CharBuffer cbuf

bbuf

private final java.nio.ByteBuffer bbuf

mark

private int mark

Constructor Detail

CharSequenceInputStream

public CharSequenceInputStream(java.lang.CharSequence s,
                               java.nio.charset.Charset charset,
                               int bufferSize)

Constructor.

Parameters:

s - the input character sequence

charset - the character set name to use

bufferSize - the buffer size to use.

CharSequenceInputStream

public CharSequenceInputStream(java.lang.CharSequence s,
                               java.lang.String charset,
                               int bufferSize)

Constructor, calls CharSequenceInputStream(CharSequence, Charset, int).

Parameters:

s - the input character sequence

charset - the character set name to use

bufferSize - the buffer size to use.

CharSequenceInputStream

public CharSequenceInputStream(java.lang.CharSequence s,
                               java.nio.charset.Charset charset)

Constructor, calls CharSequenceInputStream(CharSequence, Charset, int) with a buffer size of 2048.

Parameters:

s - the input character sequence

charset - the character set name to use

CharSequenceInputStream

public CharSequenceInputStream(java.lang.CharSequence s,
                               java.lang.String charset)

Constructor, calls CharSequenceInputStream(CharSequence, String, int) with a buffer size of 2048.

Parameters:

s - the input character sequence

charset - the character set name to use

Method Detail

fillBuffer

private void fillBuffer()
                 throws java.nio.charset.CharacterCodingException

Fills the byte output buffer from the input char buffer.

Throws:

java.nio.charset.CharacterCodingException - an error encoding data

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

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[] b)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

skip

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

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available 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

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

mark

public void mark(int readlimit)

Overrides:

mark in class java.io.InputStream

Parameters:

readlimit - max read limit (ignored)

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.InputStream

Throws:

java.io.IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream