Package org.aoju.bus.core.io

Class FileOperator

java.lang.Object

org.aoju.bus.core.io.FileOperator

public final class FileOperator
extends Object

读取和写入目标文件

Since:

Java 17+

Author:

Kimi Liu

Constructor Summary

Constructors

Constructor	Description
FileOperator(FileChannel fileChannel)

Method Summary

Modifier and Type	Method	Description
void	read(long pos, Buffer sink, long byteCount)	将byteCount字节从文件pos复制到source 调用者有责任确保有足够的字节来读取:如果没有，这个方法会抛出一个EOFException
void	write(long pos, Buffer source, long byteCount)	将byteCount字节从source写到pos的文件中

Methods inherited from class java.lang.Object

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

Constructor Details

FileOperator

public FileOperator(FileChannel fileChannel)

Method Details

write

public void write(long pos,
 Buffer source,
 long byteCount)
           throws IOException

将byteCount字节从source写到pos的文件中

Parameters:

pos - 写入大小

source - 缓存流信息

byteCount - 字节流大小

Throws:

IOException - 异常

read

public void read(long pos,
 Buffer sink,
 long byteCount)
          throws IOException

将byteCount字节从文件pos复制到source 调用者有责任确保有足够的字节来读取:如果没有，这个方法会抛出一个EOFException

Parameters:

pos - 写入大小

sink - 缓存流信息

byteCount - 字节流大小

Throws:

IOException - 异常