okhttp3.internal.io

Class InMemoryFileSystem

java.lang.Object

okhttp3.internal.io.InMemoryFileSystem

All Implemented Interfaces:

FileSystem, org.junit.rules.TestRule

public final class InMemoryFileSystem
extends java.lang.Object
implements FileSystem, org.junit.rules.TestRule

A simple file system where all files are held in memory. Not safe for concurrent use.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<java.io.File,okio.Buffer>	files
private java.util.Map<okio.Sink,java.io.File>	openSinks
private java.util.Map<okio.Source,java.io.File>	openSources

Fields inherited from interface okhttp3.internal.io.FileSystem

SYSTEM

Constructor Summary

Constructors

Constructor and Description
InMemoryFileSystem()

Method Summary

Modifier and Type	Method and Description
okio.Sink	appendingSink(java.io.File file) Writes to file, appending if data is already present.
org.junit.runners.model.Statement	apply(org.junit.runners.model.Statement base, org.junit.runner.Description description)
void	delete(java.io.File file) Deletes file if it exists.
void	deleteContents(java.io.File directory) Recursively delete the contents of directory.
void	ensureResourcesClosed()
boolean	exists(java.io.File file) Returns true if file exists on the file system.
void	rename(java.io.File from, java.io.File to) Renames from to to.
okio.Sink	sink(java.io.File file) Writes to file, discarding any data already present.
private okio.Sink	sink(java.io.File file, boolean appending)
long	size(java.io.File file) Returns the number of bytes stored in file, or 0 if it does not exist.
okio.Source	source(java.io.File file) Reads from file.

Methods inherited from class java.lang.Object

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

Field Detail

files

private final java.util.Map<java.io.File,okio.Buffer> files

openSources

private final java.util.Map<okio.Source,java.io.File> openSources

openSinks

private final java.util.Map<okio.Sink,java.io.File> openSinks

Constructor Detail

InMemoryFileSystem

public InMemoryFileSystem()

Method Detail

apply

public org.junit.runners.model.Statement apply(org.junit.runners.model.Statement base,
                                               org.junit.runner.Description description)

Specified by:

apply in interface org.junit.rules.TestRule

ensureResourcesClosed

public void ensureResourcesClosed()

source

public okio.Source source(java.io.File file)
                   throws java.io.FileNotFoundException

Description copied from interface: FileSystem

Reads from file.

Specified by:

source in interface FileSystem

Throws:

java.io.FileNotFoundException

sink

public okio.Sink sink(java.io.File file)
               throws java.io.FileNotFoundException

Description copied from interface: FileSystem

Writes to file, discarding any data already present. Creates parent directories if necessary.

Specified by:

sink in interface FileSystem

Throws:

java.io.FileNotFoundException

appendingSink

public okio.Sink appendingSink(java.io.File file)
                        throws java.io.FileNotFoundException

Description copied from interface: FileSystem

Writes to file, appending if data is already present. Creates parent directories if necessary.

Specified by:

appendingSink in interface FileSystem

Throws:

java.io.FileNotFoundException

sink

private okio.Sink sink(java.io.File file,
                       boolean appending)

delete

public void delete(java.io.File file)
            throws java.io.IOException

Description copied from interface: FileSystem

Deletes file if it exists. Throws if the file exists and cannot be deleted.

Specified by:

delete in interface FileSystem

Throws:

java.io.IOException

exists

public boolean exists(java.io.File file)

Description copied from interface: FileSystem

Returns true if file exists on the file system.

Specified by:

exists in interface FileSystem

size

public long size(java.io.File file)

Description copied from interface: FileSystem

Returns the number of bytes stored in file, or 0 if it does not exist.

Specified by:

size in interface FileSystem

rename

public void rename(java.io.File from,
                   java.io.File to)
            throws java.io.IOException

Description copied from interface: FileSystem

Renames from to to. Throws if the file cannot be renamed.

Specified by:

rename in interface FileSystem

Throws:

java.io.IOException

deleteContents

public void deleteContents(java.io.File directory)
                    throws java.io.IOException

Description copied from interface: FileSystem

Recursively delete the contents of directory. Throws an IOException if any file could not be deleted, or if dir is not a readable directory.

Specified by:

deleteContents in interface FileSystem

Throws:

java.io.IOException