org.codelogger.utils

Class FileUtils

java.lang.Object

org.codelogger.utils.FileUtils

public class FileUtils
extends Object

A useful tools to handle files, likes judge exist\folder, get file, get file bytes, writ file, copy files, and so on...

Author:

DengDefei

Constructor Summary

Constructors

Constructor and Description
FileUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	copy(File source, File destination) Copy source file or directory into destination file or directory.
static boolean	createDirectory(File destinationFile) Creates the directory named by this abstract pathname, including any necessary but nonexistent parent directories.
static boolean	createDirectory(String destinationPath) Creates the directory named by this abstract pathname, including any necessary but nonexistent parent directories.
static boolean	delete(File destinationFile) Deletes the file or directory denoted by this abstract file.
static boolean	delete(String destinationPath) Deletes the file or directory denoted by this abstract pathname.
static File[]	getAllFilesOfFolder(String folderPath) Return all files in given folder. 返回给定目录下的所有文件，不包括基子目录下的文件。
static byte[]	getBytes(File source) Get bytes from given source file.
static byte[]	getBytes(String sourcePath) Get bytes from given source file path.
static boolean	isDirectory(File destinationFile) Tests whether the file denoted by this abstract pathname is a directory.
static boolean	isDirectory(String destinationPath) Tests whether the file denoted by this abstract pathname is a directory.
static boolean	isExist(File destinationFile) Tests whether the file or directory denoted by this abstract pathname exists.
static boolean	isExist(String destinationPath) Tests whether the file or directory denoted by this abstract pathname exists.
static boolean	write(byte[] sourceBytes, File destinationFile) Write source bytes into destination file.
static boolean	write(byte[] sourceBytes, String destinationPath) Write source bytes into a file which file path is destination.
static boolean	write(File sourceFile, File destinationFile) Write source file bytes into a file which file path is destinationPath.
static boolean	write(File sourceFile, OutputStream destinationOutputStream) Write source file bytes into destination output stream.
static boolean	write(File sourceFile, String destinationPath) Write source file bytes into a file which file path is destinationPath.
static boolean	write(InputStream sourceInputStream, File destinationFile) Write source input stream bytes into destination file.
static boolean	write(InputStream sourceInputStream, String destinationPath) Write source input stream bytes into a file which file path is destinationPath.
static boolean	write(Object sourceInputStream, String destinationPath) Write source input stream into a file which file path is destinationPath(The source input stream must have a method called read and return bytes).

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtils

public FileUtils()

Method Detail

isExist

public static boolean isExist(File destinationFile)

Tests whether the file or directory denoted by this abstract pathname exists.

Parameters:

destinationFile -

Returns:

if and only if the file or directory denoted by this abstract pathname exists return true.

isExist

public static boolean isExist(String destinationPath)

Tests whether the file or directory denoted by this abstract pathname exists.

Parameters:

destinationPath - destination file path or directory path.

Returns:

if and only if the file or directory denoted by this abstract pathname exists return true.

isDirectory

public static boolean isDirectory(File destinationFile)

Tests whether the file denoted by this abstract pathname is a directory. Where it is required to distinguish an I/O exception from the case that the file is not a directory, or where several attributes of the same file are required at the same time, then the Files.readAttributes method may be used.

Parameters:

destinationFile - file object to be tested.

Returns:

if and only if the file denoted by this abstract pathname exists and is a directory return true.

isDirectory

public static boolean isDirectory(String destinationPath)

Tests whether the file denoted by this abstract pathname is a directory. Where it is required to distinguish an I/O exception from the case that the file is not a directory, or where several attributes of the same file are required at the same time, then the Files.readAttributes method may be used.

Parameters:

destinationPath - string path to be tested.

Returns:

if and only if the file denoted by this abstract pathname exists and is a directory return true.

createDirectory

public static boolean createDirectory(File destinationFile)

Creates the directory named by this abstract pathname, including any necessary but nonexistent parent directories.

Parameters:

destinationFile -

Returns:

if and only if the directory was created, along with all necessary parent directories return true.

createDirectory

public static boolean createDirectory(String destinationPath)

Creates the directory named by this abstract pathname, including any necessary but nonexistent parent directories.

Parameters:

destinationPath - string path to be handled.

Returns:

if and only if the directory was created, along with all necessary parent directories return true.

getBytes

public static byte[] getBytes(File source)
                       throws IOException

Get bytes from given source file.

Parameters:

source - file to be handled.

Returns:

bytes from given source file.

Throws:

IOException

getBytes

public static byte[] getBytes(String sourcePath)
                       throws IOException

Get bytes from given source file path.

Parameters:

sourcePath - string path to be handled.

Returns:

bytes from given source file path.

Throws:

IOException

getAllFilesOfFolder

public static File[] getAllFilesOfFolder(String folderPath)

Return all files in given folder.
返回给定目录下的所有文件，不包括基子目录下的文件。

Parameters:

folderPath -

Returns:

write

public static boolean write(InputStream sourceInputStream,
            File destinationFile)
                     throws IOException

Write source input stream bytes into destination file.

Parameters:

sourceInputStream - input stream to be handled.

destinationFile - destination file to be handled.

Returns:

true if write source input stream bytes into destination file success.

Throws:

IOException

write

public static boolean write(InputStream sourceInputStream,
            String destinationPath)
                     throws IOException

Write source input stream bytes into a file which file path is destinationPath.

Parameters:

sourceInputStream - input stream to be handled.

destinationPath - destination file path to be handled.

Returns:

true if write source input stream bytes into a file which file path is destinationPath success.

Throws:

IOException

write

public static boolean write(File sourceFile,
            OutputStream destinationOutputStream)
                     throws IOException

Write source file bytes into destination output stream.

Parameters:

sourceFile - source file to be handled.

destinationOutputStream - destination output stream to be handled.

Returns:

true if write source file bytes into destination output stream success.

Throws:

IOException

write

public static boolean write(File sourceFile,
            File destinationFile)
                     throws IOException

Write source file bytes into a file which file path is destinationPath.

Parameters:

sourceFile - source file to be handled.

destinationFile - destination file to be handled.

Returns:

true if write source file bytes into a file which file path is destinationPath success.

Throws:

IOException

write

public static boolean write(File sourceFile,
            String destinationPath)
                     throws IOException

Write source file bytes into a file which file path is destinationPath.

Parameters:

sourceFile - source file to be handled.

destinationPath - destination file string path to be handled.

Returns:

true if write source file bytes into a file which file path is destinationPath success.

Throws:

IOException

write

public static boolean write(Object sourceInputStream,
            String destinationPath)
                     throws IOException,
                            SecurityException,
                            NoSuchMethodException,
                            IllegalArgumentException,
                            IllegalAccessException,
                            InvocationTargetException,
                            InstantiationException

Write source input stream into a file which file path is destinationPath(The source input stream must have a method called read and return bytes).

Parameters:

sourceInputStream - source input stream to be handled.

destinationPath - destination file string path to be handled.

Returns:

true if write success.

Throws:

IOException

SecurityException

NoSuchMethodException

IllegalArgumentException

IllegalAccessException

InvocationTargetException

InstantiationException

write

public static boolean write(byte[] sourceBytes,
            File destinationFile)
                     throws IOException

Write source bytes into destination file.

Parameters:

sourceBytes - source bytes to be handled.

destinationFile - destination file to be handles.

Returns:

true if write source bytes into destination file success.

Throws:

IOException

write

public static boolean write(byte[] sourceBytes,
            String destinationPath)
                     throws IOException

Write source bytes into a file which file path is destination.

Parameters:

sourceBytes - source bytes to be handled.

destinationPath - destination file string path to be handled.

Returns:

true if write source bytes into a file which file path is destination success.

Throws:

IOException

delete

public static boolean delete(String destinationPath)

Deletes the file or directory denoted by this abstract pathname.

Parameters:

destinationPath - file string path to be handled.

Returns:

true if deletes the file or directory denoted by this abstract pathname success; false otherwise.

delete

public static boolean delete(File destinationFile)

Deletes the file or directory denoted by this abstract file.

Parameters:

destinationFile -

Returns:

true if delete file or directory success; false otherwise;

copy

public static boolean copy(File source,
           File destination)
                    throws IOException

Copy source file or directory into destination file or directory.

Parameters:

source - source file or directory.

destination - destination file or directory.

Returns:

true if copy success; false otherwise;

Throws:

IOException