org.glassfish.json

Class UnicodeDetectingInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.glassfish.json.UnicodeDetectingInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

class UnicodeDetectingInputStream
extends java.io.FilterInputStream

A filter stream that detects the unicode encoding for the original stream

Field Summary

Fields

Modifier and Type	Field and Description
private static byte	BB
private static byte	BF
private byte[]	buf
private int	bufLen
private java.nio.charset.Charset	charset
private int	curIndex
private static byte	EF
private static byte	FE
private static byte	FF
private static byte	NUL
private static java.nio.charset.Charset	UTF_16BE
private static java.nio.charset.Charset	UTF_16LE
private static java.nio.charset.Charset	UTF_32BE
private static java.nio.charset.Charset	UTF_32LE
private static java.nio.charset.Charset	UTF_8

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
UnicodeDetectingInputStream(java.io.InputStream is)

Method Summary

Modifier and Type	Method and Description
private java.nio.charset.Charset	detectEncoding()
private void	fillBuf()
(package private) java.nio.charset.Charset	getCharset()
int	read()
int	read(byte[] b, int off, int len)

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

UTF_8

private static final java.nio.charset.Charset UTF_8

UTF_16BE

private static final java.nio.charset.Charset UTF_16BE

UTF_16LE

private static final java.nio.charset.Charset UTF_16LE

UTF_32LE

private static final java.nio.charset.Charset UTF_32LE

UTF_32BE

private static final java.nio.charset.Charset UTF_32BE

FF

private static final byte FF

See Also:

Constant Field Values

FE

private static final byte FE

See Also:

Constant Field Values

EF

private static final byte EF

See Also:

Constant Field Values

BB

private static final byte BB

See Also:

Constant Field Values

BF

private static final byte BF

See Also:

Constant Field Values

NUL

private static final byte NUL

See Also:

Constant Field Values

buf

private final byte[] buf

bufLen

private int bufLen

curIndex

private int curIndex

charset

private final java.nio.charset.Charset charset

Constructor Detail

UnicodeDetectingInputStream

UnicodeDetectingInputStream(java.io.InputStream is)

Method Detail

getCharset

java.nio.charset.Charset getCharset()

fillBuf

private void fillBuf()

detectEncoding

private java.nio.charset.Charset detectEncoding()

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

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

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException