Package org.glassfish.json

Class UnicodeDetectingInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.glassfish.json.UnicodeDetectingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

class UnicodeDetectingInputStream
extends FilterInputStream

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

Field Summary

Fields

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

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
UnicodeDetectingInputStream(InputStream is)

Method Summary

Modifier and Type	Method	Description
private Charset	detectEncoding()
private void	fillBuf()
(package private) 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 Details

UTF_8

private static final Charset UTF_8

UTF_16BE

private static final Charset UTF_16BE

UTF_16LE

private static final Charset UTF_16LE

UTF_32LE

private static final Charset UTF_32LE

UTF_32BE

private static final 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 Charset charset

Constructor Details

UnicodeDetectingInputStream

UnicodeDetectingInputStream(InputStream is)

Method Details

getCharset

Charset getCharset()

fillBuf

private void fillBuf()

detectEncoding

private Charset detectEncoding()

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

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

Overrides:

read in class FilterInputStream

Throws:

IOException