com.sun.ukit.jaxp

Class ReaderUTF8

java.lang.Object

java.io.Reader

com.sun.ukit.jaxp.ReaderUTF8

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class ReaderUTF8
extends Reader

UTF-8 transformed UCS-2 character stream reader. This reader converts UTF-8 transformed UCS-2 characters to Java characters. The UCS-2 subset of UTF-8 transformation is described in RFC-2279 #2 "UTF-8 definition": 0000 0000-0000 007F 0xxxxxxx 0000 0080-0000 07FF 110xxxxx 10xxxxxx 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx This reader will return incorrect last character on broken UTF-8 stream.

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
ReaderUTF8(InputStream is) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes the stream.
int	read() Reads a single character.
int	read(char[] cbuf, int off, int len) Reads characters into a portion of an array.

Methods inherited from class java.io.Reader

mark, markSupported, read, read, ready, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderUTF8

public ReaderUTF8(InputStream is)

Constructor.

Parameters:

is - A byte input stream.

Method Detail

read

public int read(char[] cbuf,
       int off,
       int len)
         throws IOException

Reads characters into a portion of an array.

Specified by:

read in class Reader

Parameters:

cbuf - Destination buffer.

off - Offset at which to start storing characters.

len - Maximum number of characters to read.

Throws:

IOException - If any IO errors occur.

UnsupportedEncodingException - If UCS-4 character occur in the stream.

read

public int read()
         throws IOException

Reads a single character.

Overrides:

read in class Reader

Returns:

The character read, as an integer in the range 0 to 65535 (0x00-0xffff), or -1 if the end of the stream has been reached.

Throws:

IOException - If any IO errors occur.

UnsupportedEncodingException - If UCS-4 character occur in the stream.

close

public void close()
           throws IOException

Closes the stream.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Reader

Throws:

IOException - If any IO errors occur.