nl.inl.util

Class UnicodeStream

java.lang.Object

java.io.InputStream

nl.inl.util.UnicodeStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class UnicodeStream
extends InputStream

InputStream that detects and skips BOM in UTF-8 (and other Unicode encodings) files. Taken from http://stackoverflow.com/questions/1835430/byte-order-mark-screws-up-file-reading-in-java which was adapted from Google Data API Client library (Apache License).

Constructor Summary

Constructors

Constructor and Description
UnicodeStream(InputStream in, Charset defaultEncoding) Construct InputStream, a Reader that detects and skips the BOM in Unicode files (if present).
UnicodeStream(InputStream in, String defaultEncoding) Construct UnicodeReader, a Reader that skips the BOM in Unicode files (if present).

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
Charset	getEncoding()
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] cbuf)
int	read(byte[] cbuf, 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

Constructor Detail

UnicodeStream

public UnicodeStream(InputStream in,
                     String defaultEncoding)
              throws IOException

Construct UnicodeReader, a Reader that skips the BOM in Unicode files (if present).

Parameters:

in - Input stream.

defaultEncoding - Default encoding to be used if BOM is not found, or null to use system default encoding.

Throws:

IOException - If an I/O error occurs.

UnicodeStream

public UnicodeStream(InputStream in,
                     Charset defaultEncoding)
              throws IOException

Construct InputStream, a Reader that detects and skips the BOM in Unicode files (if present).

Parameters:

in - Input stream.

defaultEncoding - Default encoding to be used if BOM is not found, or null to use system default encoding.

Throws:

IOException - If an I/O error occurs.

Method Detail

getEncoding

public Charset getEncoding()

read

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

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] cbuf)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException