Package io.r2mo.io.local.operation

Class FileRangeInputStream

java.lang.Object

java.io.InputStream

io.r2mo.io.local.operation.FileRangeInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class FileRangeInputStream
extends InputStream

Method Summary

Modifier and Type	Method	Description
static InputStream	getInputStream(Path filePath, long start, long end)	获取大文件指定部分的输入流
int	read()

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Method Details

getInputStream

public static InputStream getInputStream(Path filePath,
 long start,
 long end)
                                  throws IOException

获取大文件指定部分的输入流

Parameters:

filePath - 文件路径

start - 起始位置（包含）

end - 结束位置（不包含）

Returns:

指定范围的输入流

Throws:

IOException - 如果文件不存在或读取失败

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException