com.landawn.abacus.guava

Class Files

java.lang.Object

com.landawn.abacus.guava.Files

Direct Known Subclasses:

Files.MoreFiles

public abstract class Files
extends Object

Copied from Google Guava under Apache License v2. The purpose is to provide unified API.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Files.MoreFiles The Class MoreFiles.

Method Summary

Modifier and Type	Method and Description
static com.google.common.io.ByteSink	asByteSink(File file, com.google.common.io.FileWriteMode... modes) As byte sink.
static com.google.common.io.ByteSink	asByteSink(Path path, OpenOption... options) As byte sink.
static com.google.common.io.ByteSource	asByteSource(File file) As byte source.
static com.google.common.io.ByteSource	asByteSource(Path path, OpenOption... options) As byte source.
static com.google.common.io.CharSink	asCharSink(File file, Charset charset, com.google.common.io.FileWriteMode... modes) As char sink.
static com.google.common.io.CharSink	asCharSink(Path path, Charset charset, OpenOption... options) As char sink.
static com.google.common.io.CharSource	asCharSource(File file, Charset charset) As char source.
static com.google.common.io.CharSource	asCharSource(Path path, Charset charset, OpenOption... options) As char source.
static void	copy(File from, File to)
static void	copy(File from, OutputStream to)
static void	createParentDirectories(Path path, FileAttribute<?>... attrs) Creates the parent directories.
static void	createParentDirs(File file) Creates the parent dirs.
static File	createTempDir() Deprecated. For Android users, see the Data and File Storage overview to select an appropriate temporary directory (perhaps context.getCacheDir()). For developers on Java 7 or later, use Files.createTempDirectory(java.nio.file.Path, java.lang.String, java.nio.file.attribute.FileAttribute<?>...), transforming it to a File using toFile() if needed.
static void	deleteDirectoryContents(Path path, com.google.common.io.RecursiveDeleteOption... options) Delete directory contents.
static void	deleteRecursively(Path path, com.google.common.io.RecursiveDeleteOption... options)
static boolean	equal(File file1, File file2)
static boolean	equal(Path path1, Path path2)
static com.google.common.graph.Traverser<File>	fileTraverser()
static String	getFileExtension(Path path) Gets the file extension.
static String	getFileExtension(String fullName) Gets the file extension.
static String	getNameWithoutExtension(Path path) Gets the name without extension.
static String	getNameWithoutExtension(String file) Gets the name without extension.
static ImmutableList<Path>	listFiles(Path dir)
static MappedByteBuffer	map(File file)
static MappedByteBuffer	map(File file, FileChannel.MapMode mode)
static MappedByteBuffer	map(File file, FileChannel.MapMode mode, long size)
static void	move(File from, File to)
static BufferedReader	newReader(File file, Charset charset)
static BufferedWriter	newWriter(File file, Charset charset)
static com.google.common.graph.Traverser<Path>	pathTraverser()
static List<String>	readLines(File file, Charset charset)
static String	simplifyPath(String pathname)
static byte[]	toByteArray(File file) To byte array.
static void	touch(File file)
static void	touch(Path path)
static void	write(byte[] from, File to)

Methods inherited from class java.lang.Object

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

Method Detail

newReader

public static BufferedReader newReader(File file,
                                       Charset charset)
                                throws FileNotFoundException

Parameters:

file -

charset -

Returns:

Throws:

FileNotFoundException - the file not found exception

newWriter

public static BufferedWriter newWriter(File file,
                                       Charset charset)
                                throws FileNotFoundException

Parameters:

file -

charset -

Returns:

Throws:

FileNotFoundException - the file not found exception

asByteSource

public static com.google.common.io.ByteSource asByteSource(File file)

As byte source.

Parameters:

file -

Returns:

asByteSource

@SafeVarargs
public static com.google.common.io.ByteSource asByteSource(Path path,
                                                                         OpenOption... options)

As byte source.

Parameters:

path -

options -

Returns:

asByteSink

@SafeVarargs
public static com.google.common.io.ByteSink asByteSink(File file,
                                                                     com.google.common.io.FileWriteMode... modes)

As byte sink.

Parameters:

file -

modes -

Returns:

asByteSink

@SafeVarargs
public static com.google.common.io.ByteSink asByteSink(Path path,
                                                                     OpenOption... options)

As byte sink.

Parameters:

path -

options -

Returns:

asCharSource

public static com.google.common.io.CharSource asCharSource(File file,
                                                           Charset charset)

As char source.

Parameters:

file -

charset -

Returns:

asCharSource

@SafeVarargs
public static com.google.common.io.CharSource asCharSource(Path path,
                                                                         Charset charset,
                                                                         OpenOption... options)

As char source.

Parameters:

path -

charset -

options -

Returns:

asCharSink

@SafeVarargs
public static com.google.common.io.CharSink asCharSink(File file,
                                                                     Charset charset,
                                                                     com.google.common.io.FileWriteMode... modes)

As char sink.

Parameters:

file -

charset -

modes -

Returns:

asCharSink

@SafeVarargs
public static com.google.common.io.CharSink asCharSink(Path path,
                                                                     Charset charset,
                                                                     OpenOption... options)

As char sink.

Parameters:

path -

charset -

options -

Returns:

toByteArray

public static byte[] toByteArray(File file)
                          throws IOException

To byte array.

Parameters:

file -

Returns:

Throws:

IOException - Signals that an I/O exception has occurred.

write

public static void write(byte[] from,
                         File to)
                  throws IOException

Parameters:

from -

to -

Throws:

IOException - Signals that an I/O exception has occurred.

equal

public static boolean equal(File file1,
                            File file2)
                     throws IOException

Parameters:

file1 -

file2 -

Returns:

true, if successful

Throws:

IOException - Signals that an I/O exception has occurred.

equal

public static boolean equal(Path path1,
                            Path path2)
                     throws IOException

Parameters:

path1 -

path2 -

Returns:

true, if successful

Throws:

IOException - Signals that an I/O exception has occurred.

touch

public static void touch(File file)
                  throws IOException

Parameters:

file -

Throws:

IOException - Signals that an I/O exception has occurred.

touch

public static void touch(Path path)
                  throws IOException

Parameters:

path -

Throws:

IOException - Signals that an I/O exception has occurred.

createTempDir

@Deprecated
public static File createTempDir()

Deprecated. For Android users, see the Data and File Storage overview to select an appropriate temporary directory (perhaps context.getCacheDir()). For developers on Java 7 or later, use Files.createTempDirectory(java.nio.file.Path, java.lang.String, java.nio.file.attribute.FileAttribute<?>...), transforming it to a File using toFile() if needed.

Returns:

createParentDirs

public static void createParentDirs(File file)
                             throws IOException

Creates the parent dirs.

Parameters:

file -

Throws:

IOException - Signals that an I/O exception has occurred.

createParentDirectories

@SafeVarargs
public static void createParentDirectories(Path path,
                                                         FileAttribute<?>... attrs)
                                                  throws IOException

Creates the parent directories.

Parameters:

path -

attrs -

Throws:

IOException - Signals that an I/O exception has occurred.

copy

public static void copy(File from,
                        OutputStream to)
                 throws IOException

Parameters:

from -

to -

Throws:

IOException - Signals that an I/O exception has occurred.

copy

public static void copy(File from,
                        File to)
                 throws IOException

Parameters:

from -

to -

Throws:

IOException - Signals that an I/O exception has occurred.

move

public static void move(File from,
                        File to)
                 throws IOException

Parameters:

from -

to -

Throws:

IOException - Signals that an I/O exception has occurred.

readLines

public static List<String> readLines(File file,
                                     Charset charset)
                              throws IOException

Parameters:

file -

charset -

Returns:

Throws:

IOException - Signals that an I/O exception has occurred.

map

public static MappedByteBuffer map(File file)
                            throws IOException

Parameters:

file -

Returns:

Throws:

IOException - Signals that an I/O exception has occurred.

map

public static MappedByteBuffer map(File file,
                                   FileChannel.MapMode mode)
                            throws IOException

Parameters:

file -

mode -

Returns:

Throws:

IOException - Signals that an I/O exception has occurred.

map

public static MappedByteBuffer map(File file,
                                   FileChannel.MapMode mode,
                                   long size)
                            throws IOException

Parameters:

file -

mode -

size -

Returns:

Throws:

IOException - Signals that an I/O exception has occurred.

simplifyPath

public static String simplifyPath(String pathname)

Parameters:

pathname -

Returns:

getNameWithoutExtension

public static String getNameWithoutExtension(String file)

Gets the name without extension.

Parameters:

file -

Returns:

getNameWithoutExtension

public static String getNameWithoutExtension(Path path)

Gets the name without extension.

Parameters:

path -

Returns:

getFileExtension

public static String getFileExtension(String fullName)

Gets the file extension.

Parameters:

fullName -

Returns:

getFileExtension

public static String getFileExtension(Path path)

Gets the file extension.

Parameters:

path -

Returns:

fileTraverser

public static com.google.common.graph.Traverser<File> fileTraverser()

pathTraverser

public static com.google.common.graph.Traverser<Path> pathTraverser()

listFiles

public static ImmutableList<Path> listFiles(Path dir)
                                     throws IOException

Parameters:

dir -

Returns:

Throws:

IOException - Signals that an I/O exception has occurred.

deleteRecursively

@SafeVarargs
public static void deleteRecursively(Path path,
                                                   com.google.common.io.RecursiveDeleteOption... options)
                                            throws IOException

Parameters:

path -

options -

Throws:

IOException - Signals that an I/O exception has occurred.

deleteDirectoryContents

@SafeVarargs
public static void deleteDirectoryContents(Path path,
                                                         com.google.common.io.RecursiveDeleteOption... options)
                                                  throws IOException

Delete directory contents.

Parameters:

path -

options -

Throws:

IOException - Signals that an I/O exception has occurred.