com.oracle.bmc.io.internal

Class ResettableFileInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

com.oracle.bmc.io.internal.ResettableFileInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class ResettableFileInputStream
extends FilterInputStream

A wrapper around a FileInputStream that provides mark-and-reset capabilities.

This allows for retries on a FileInputStream.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
ResettableFileInputStream(FileInputStream fis) Constructor for a file input stream that provides mark-and-reset capabilities.

Method Summary

Modifier and Type	Method and Description
static boolean	canBeWrapped(FileInputStream fis) Return true if the provided FileInputStream can be wrapped to provide mark-and-reset capabilities.
static boolean	isAlreadyWrapped(FileInputStream fis) Return true if the provided FileInputStream has already been wrapped, and therefore supports mark-and-reset capabilities.
void	mark(int readlimit)
boolean	markSupported()
void	reset()

Methods inherited from class java.io.FilterInputStream

available, close, read, read, read, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

ResettableFileInputStream

public ResettableFileInputStream(FileInputStream fis)

Constructor for a file input stream that provides mark-and-reset capabilities.

Parameters:

fis - file input stream to wrap

Throws:

IllegalArgumentException - if the file channel of the file input stream does not provide a position

Method Detail

markSupported

public boolean markSupported()

Overrides:

markSupported in class FilterInputStream

mark

public void mark(int readlimit)

Overrides:

mark in class FilterInputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterInputStream

Throws:

IOException

canBeWrapped

public static boolean canBeWrapped(FileInputStream fis)

Return true if the provided FileInputStream can be wrapped to provide mark-and-reset capabilities.

Parameters:

fis - the FileInputStream to check

Returns:

true if it can be wrapped

isAlreadyWrapped

public static boolean isAlreadyWrapped(FileInputStream fis)

Return true if the provided FileInputStream has already been wrapped, and therefore supports mark-and-reset capabilities.

Parameters:

fis - the FileInputStream to check

Returns:

true if it is already wrapped