Package org.aoju.bus.core.io.stream

Class BOMReader

java.lang.Object

java.io.Reader

org.aoju.bus.core.io.stream.BOMReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class BOMReader
extends Reader

读取带BOM头的流内容的Reader，如果非bom的流或无法识别的编码，则默认UTF-8 BOM定义：http://www.unicode.org/unicode/faq/utf_bom.html

• 00 00 FE FF = UTF-32, big-endian
• FF FE 00 00 = UTF-32, little-endian
• EF BB BF = UTF-8
• FE FF = UTF-16, big-endian
• FF FE = UTF-16, little-endian

使用： FileInputStream fis = new FileInputStream(file); BOMReader uin = new BOMReader(fis);

Since:

Java 17+

Author:

Kimi Liu

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
BOMReader(InputStream in)	构造

Method Summary

Modifier and Type	Method	Description
void	close()
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.Reader

mark, markSupported, nullReader, read, read, read, ready, reset, skip, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

BOMReader

public BOMReader(InputStream in)

构造

Parameters:

in - 流

Method Details

read

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

Specified by:

read in class Reader

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException