net.anotheria.util.io

Class UnicodeReader

java.lang.Object

java.io.Reader

net.anotheria.util.io.UnicodeReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class UnicodeReader
extends Reader

Generic unicode textreader, which will use BOM mark to identify the encoding to be used. If BOM is not found then use a given default or system encoding.

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
UnicodeReader(InputStream in)
UnicodeReader(InputStream aIn, Charset aCharset)
UnicodeReader(InputStream in, String charsetName)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
String	getEncoding() Get stream encoding or NULL if stream is uninitialized.
protected void	init() Read-ahead four bytes and check for BOM marks.
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.Reader

mark, markSupported, read, 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

UnicodeReader

public UnicodeReader(InputStream in)

Parameters:

in - inputstream to be read

defaultEnc - default encoding if stream does not have BOM marker. Give NULL to use system-level default.

UnicodeReader

public UnicodeReader(InputStream in,
             String charsetName)

UnicodeReader

public UnicodeReader(InputStream aIn,
             Charset aCharset)

Method Detail

getEncoding

public String getEncoding()

Get stream encoding or NULL if stream is uninitialized. Call init() or read() method to initialize it.

init

protected void init()
             throws IOException

Read-ahead four bytes and check for BOM marks. Extra bytes are unread back to the stream, only BOM bytes are skipped.

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Reader

Throws:

IOException

read

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

Specified by:

read in class Reader

Throws:

IOException