com.yan.tools.utils

类 FileUtils

java.lang.Object

com.yan.tools.utils.FileUtils

public class FileUtils
extends java.lang.Object

Created by Yan on 2019/10/11.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	FileUtils.FileExistsException

字段概要

字段

限定符和类型	字段和说明
static int	BUFFER_SIZE
static java.io.File[]	EMPTY_FILE_ARRAY
static double	GB
static double	KB
static double	MB
static long	ONE_EB
static java.math.BigInteger	ONE_EB_BI
static long	ONE_GB
static java.math.BigInteger	ONE_GB_BI
static long	ONE_KB
static java.math.BigInteger	ONE_KB_BI
static long	ONE_MB
static java.math.BigInteger	ONE_MB_BI
static long	ONE_PB
static java.math.BigInteger	ONE_PB_BI
static long	ONE_TB
static java.math.BigInteger	ONE_TB_BI
static java.math.BigInteger	ONE_YB
static java.math.BigInteger	ONE_ZB

构造器概要

构造器

构造器和说明
FileUtils()

方法概要

限定符和类型	方法和说明
static java.lang.String	byteCountToDisplaySize(java.math.BigInteger size)
static java.lang.String	byteCountToDisplaySize(long size)
static void	cleanDirectory(java.io.File directory)
static void	clearDirectory(java.io.File dir)
static boolean	contentEquals(java.io.File file1, java.io.File file2)
static boolean	contentEqualsIgnoreEOL(java.io.File file1, java.io.File file2, java.lang.String charsetName)
static java.io.File[]	convertFileCollectionToFileArray(java.util.Collection<java.io.File> files)
static void	copyDirectory(java.io.File srcDir, java.io.File destDir)
static void	copyDirectory(java.io.File srcDir, java.io.File destDir, boolean preserveFileDate)
static void	copyDirectory(java.io.File srcDir, java.io.File destDir, java.io.FileFilter filter)
static void	copyDirectory(java.io.File srcDir, java.io.File destDir, java.io.FileFilter filter, boolean preserveFileDate)
static void	copyDirectoryToDirectory(java.io.File srcDir, java.io.File destDir)
static void	copyFile(java.io.File srcFile, java.io.File destFile)
static void	copyFile(java.io.File srcFile, java.io.File destFile, boolean preserveFileDate)
static long	copyFile(java.io.File input, java.io.OutputStream output)
static void	copyFileToDirectory(java.io.File srcFile, java.io.File destDir)
static void	copyFileToDirectory(java.io.File srcFile, java.io.File destDir, boolean preserveFileDate)
static void	copyInputStreamToFile(java.io.InputStream source, java.io.File destination)
static void	copyURLToFile(java.net.URL source, java.io.File destination)
static void	copyURLToFile(java.net.URL source, java.io.File destination, int connectionTimeout, int readTimeout)
static boolean	deleteDirectory(java.io.File dir)
static boolean	deleteFD(java.io.File fd)
static boolean	deleteFD(java.lang.String path)
static boolean	deleteFile(java.io.File file)
static boolean	deleteFile(java.lang.String fileName)
static boolean	deleteQuietly(java.io.File file)
static void	forceDelete(java.io.File file)
static void	forceDeleteOnExit(java.io.File file)
static void	forceMkdir(java.io.File directory)
static java.io.File	getApplicationSdcardPath(android.content.Context context)
static java.io.File	getFile(java.io.File directory, java.lang.String... names)
static java.io.File	getFile(java.lang.String... names)
static java.lang.String	getMimeType(java.lang.String filePath)
static java.io.File	getTempDirectory()
static java.lang.String	getTempDirectoryPath()
static java.io.File	getUserDirectory()
static java.lang.String	getUserDirectoryPath()
static boolean	isFileExists(java.lang.String path)
static boolean	isFileNewer(java.io.File file, java.util.Date date)
static boolean	isFileNewer(java.io.File file, java.io.File reference)
static boolean	isFileNewer(java.io.File file, long timeMillis)
static boolean	isFileOlder(java.io.File file, java.util.Date date)
static boolean	isFileOlder(java.io.File file, java.io.File reference)
static boolean	isFileOlder(java.io.File file, long timeMillis)
static boolean	isSymlink(java.io.File file)
static void	mergeFiles(java.lang.String outFile, java.lang.String[] files)
static boolean	mkdirs(java.io.File directory)
static void	moveDirectory(java.io.File srcDir, java.io.File destDir)
static void	moveDirectoryToDirectory(java.io.File src, java.io.File destDir, boolean createDestDir)
static void	moveFile(java.io.File srcFile, java.io.File destFile)
static void	moveFileToDirectory(java.io.File srcFile, java.io.File destDir, boolean createDestDir)
static void	moveToDirectory(java.io.File src, java.io.File destDir, boolean createDestDir)
static java.io.FileInputStream	openInputStream(java.io.File file)
static java.io.File	openOrCreateFile(java.lang.String path)
static java.io.FileOutputStream	openOutputStream(java.io.File file)
static java.io.FileOutputStream	openOutputStream(java.io.File file, boolean append)
static byte[]	readFileToByteArray(java.io.File file)
static java.lang.String	readFileToString(java.io.File file)
static java.lang.String	readFileToString(java.io.File file, java.nio.charset.Charset encoding)
static java.lang.String	readFileToString(java.io.File file, java.lang.String encoding)
static java.util.List<java.lang.String>	readLines(java.io.File file)
static java.util.List<java.lang.String>	readLines(java.io.File file, java.nio.charset.Charset encoding)
static java.util.List<java.lang.String>	readLines(java.io.File file, java.lang.String encoding)
static long	sizeOf(java.io.File file)
static java.math.BigInteger	sizeOfAsBigInteger(java.io.File file)
static long	sizeOfDirectory(java.io.File directory)
static java.math.BigInteger	sizeOfDirectoryAsBigInteger(java.io.File directory)
static java.io.File	toFile(java.net.URL url)
static java.io.File[]	toFiles(java.net.URL[] urls)
static void	touch(java.io.File file)
static java.net.URL[]	toURLs(java.io.File[] files)
static boolean	waitFor(java.io.File file, int seconds)
static void	write(java.io.File file, java.lang.CharSequence data)
static void	write(java.io.File file, java.lang.CharSequence data, boolean append)
static void	write(java.io.File file, java.lang.CharSequence data, java.nio.charset.Charset encoding)
static void	write(java.io.File file, java.lang.CharSequence data, java.nio.charset.Charset encoding, boolean append)
static void	write(java.io.File file, java.lang.CharSequence data, java.lang.String encoding)
static void	write(java.io.File file, java.lang.CharSequence data, java.lang.String encoding, boolean append)
static void	writeByteArrayToFile(java.io.File file, byte[] data)
static void	writeByteArrayToFile(java.io.File file, byte[] data, boolean append)
static void	writeLines(java.io.File file, java.util.Collection<?> lines)
static void	writeLines(java.io.File file, java.util.Collection<?> lines, boolean append)
static void	writeLines(java.io.File file, java.util.Collection<?> lines, java.lang.String lineEnding)
static void	writeLines(java.io.File file, java.util.Collection<?> lines, java.lang.String lineEnding, boolean append)
static void	writeLines(java.io.File file, java.lang.String encoding, java.util.Collection<?> lines)
static void	writeLines(java.io.File file, java.lang.String encoding, java.util.Collection<?> lines, boolean append)
static void	writeLines(java.io.File file, java.lang.String encoding, java.util.Collection<?> lines, java.lang.String lineEnding)
static void	writeLines(java.io.File file, java.lang.String encoding, java.util.Collection<?> lines, java.lang.String lineEnding, boolean append)
static void	writeStringToFile(java.io.File file, java.lang.String data)
static void	writeStringToFile(java.io.File file, java.lang.String data, boolean append)
static void	writeStringToFile(java.io.File file, java.lang.String data, java.nio.charset.Charset encoding)
static void	writeStringToFile(java.io.File file, java.lang.String data, java.nio.charset.Charset encoding, boolean append)
static void	writeStringToFile(java.io.File file, java.lang.String data, java.lang.String encoding)
static void	writeStringToFile(java.io.File file, java.lang.String data, java.lang.String encoding, boolean append)

从类继承的方法 java.lang.Object

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

字段详细资料

KB

public static final double KB

另请参阅:

常量字段值

MB

public static final double MB

另请参阅:

常量字段值

GB

public static final double GB

另请参阅:

常量字段值

ONE_KB

public static final long ONE_KB

另请参阅:

常量字段值

ONE_KB_BI

public static final java.math.BigInteger ONE_KB_BI

ONE_MB

public static final long ONE_MB

另请参阅:

常量字段值

ONE_MB_BI

public static final java.math.BigInteger ONE_MB_BI

ONE_GB

public static final long ONE_GB

另请参阅:

常量字段值

ONE_GB_BI

public static final java.math.BigInteger ONE_GB_BI

ONE_TB

public static final long ONE_TB

另请参阅:

常量字段值

ONE_TB_BI

public static final java.math.BigInteger ONE_TB_BI

ONE_PB

public static final long ONE_PB

另请参阅:

常量字段值

ONE_PB_BI

public static final java.math.BigInteger ONE_PB_BI

ONE_EB

public static final long ONE_EB

另请参阅:

常量字段值

ONE_EB_BI

public static final java.math.BigInteger ONE_EB_BI

ONE_ZB

public static final java.math.BigInteger ONE_ZB

ONE_YB

public static final java.math.BigInteger ONE_YB

EMPTY_FILE_ARRAY

public static final java.io.File[] EMPTY_FILE_ARRAY

BUFFER_SIZE

public static final int BUFFER_SIZE

另请参阅:

常量字段值

构造器详细资料

FileUtils

public FileUtils()

方法详细资料

getFile

public static java.io.File getFile(java.io.File directory,
                                   java.lang.String... names)

getFile

public static java.io.File getFile(java.lang.String... names)

isFileExists

public static boolean isFileExists(java.lang.String path)

getTempDirectoryPath

public static java.lang.String getTempDirectoryPath()

getTempDirectory

public static java.io.File getTempDirectory()

getUserDirectoryPath

public static java.lang.String getUserDirectoryPath()

getUserDirectory

public static java.io.File getUserDirectory()

openInputStream

public static java.io.FileInputStream openInputStream(java.io.File file)
                                               throws java.io.IOException

抛出:

java.io.IOException

openOutputStream

public static java.io.FileOutputStream openOutputStream(java.io.File file)
                                                 throws java.io.IOException

抛出:

java.io.IOException

openOutputStream

public static java.io.FileOutputStream openOutputStream(java.io.File file,
                                                        boolean append)
                                                 throws java.io.IOException

抛出:

java.io.IOException

byteCountToDisplaySize

public static java.lang.String byteCountToDisplaySize(java.math.BigInteger size)

byteCountToDisplaySize

public static java.lang.String byteCountToDisplaySize(long size)

touch

public static void touch(java.io.File file)
                  throws java.io.IOException

抛出:

java.io.IOException

convertFileCollectionToFileArray

public static java.io.File[] convertFileCollectionToFileArray(java.util.Collection<java.io.File> files)

contentEquals

public static boolean contentEquals(java.io.File file1,
                                    java.io.File file2)
                             throws java.io.IOException

抛出:

java.io.IOException

contentEqualsIgnoreEOL

public static boolean contentEqualsIgnoreEOL(java.io.File file1,
                                             java.io.File file2,
                                             java.lang.String charsetName)
                                      throws java.io.IOException

抛出:

java.io.IOException

toFile

public static java.io.File toFile(java.net.URL url)

toFiles

public static java.io.File[] toFiles(java.net.URL[] urls)

toURLs

public static java.net.URL[] toURLs(java.io.File[] files)
                             throws java.io.IOException

抛出:

java.io.IOException

copyFileToDirectory

public static void copyFileToDirectory(java.io.File srcFile,
                                       java.io.File destDir)
                                throws java.io.IOException

抛出:

java.io.IOException

copyFileToDirectory

public static void copyFileToDirectory(java.io.File srcFile,
                                       java.io.File destDir,
                                       boolean preserveFileDate)
                                throws java.io.IOException

抛出:

java.io.IOException

copyFile

public static void copyFile(java.io.File srcFile,
                            java.io.File destFile)
                     throws java.io.IOException

抛出:

java.io.IOException

copyFile

public static void copyFile(java.io.File srcFile,
                            java.io.File destFile,
                            boolean preserveFileDate)
                     throws java.io.IOException

抛出:

java.io.IOException

copyFile

public static long copyFile(java.io.File input,
                            java.io.OutputStream output)
                     throws java.io.IOException

抛出:

java.io.IOException

copyDirectoryToDirectory

public static void copyDirectoryToDirectory(java.io.File srcDir,
                                            java.io.File destDir)
                                     throws java.io.IOException

抛出:

java.io.IOException

copyDirectory

public static void copyDirectory(java.io.File srcDir,
                                 java.io.File destDir)
                          throws java.io.IOException

抛出:

java.io.IOException

copyDirectory

public static void copyDirectory(java.io.File srcDir,
                                 java.io.File destDir,
                                 boolean preserveFileDate)
                          throws java.io.IOException

抛出:

java.io.IOException

copyDirectory

public static void copyDirectory(java.io.File srcDir,
                                 java.io.File destDir,
                                 java.io.FileFilter filter)
                          throws java.io.IOException

抛出:

java.io.IOException

copyDirectory

public static void copyDirectory(java.io.File srcDir,
                                 java.io.File destDir,
                                 java.io.FileFilter filter,
                                 boolean preserveFileDate)
                          throws java.io.IOException

抛出:

java.io.IOException

copyURLToFile

public static void copyURLToFile(java.net.URL source,
                                 java.io.File destination)
                          throws java.io.IOException

抛出:

java.io.IOException

copyURLToFile

public static void copyURLToFile(java.net.URL source,
                                 java.io.File destination,
                                 int connectionTimeout,
                                 int readTimeout)
                          throws java.io.IOException

抛出:

java.io.IOException

copyInputStreamToFile

public static void copyInputStreamToFile(java.io.InputStream source,
                                         java.io.File destination)
                                  throws java.io.IOException

抛出:

java.io.IOException

deleteQuietly

public static boolean deleteQuietly(java.io.File file)

getApplicationSdcardPath

public static java.io.File getApplicationSdcardPath(android.content.Context context)

cleanDirectory

public static void cleanDirectory(java.io.File directory)
                           throws java.io.IOException

抛出:

java.io.IOException

waitFor

public static boolean waitFor(java.io.File file,
                              int seconds)

readFileToString

public static java.lang.String readFileToString(java.io.File file,
                                                java.nio.charset.Charset encoding)
                                         throws java.io.IOException

抛出:

java.io.IOException

readFileToString

public static java.lang.String readFileToString(java.io.File file,
                                                java.lang.String encoding)
                                         throws java.io.IOException

抛出:

java.io.IOException

readFileToString

public static java.lang.String readFileToString(java.io.File file)
                                         throws java.io.IOException

抛出:

java.io.IOException

readFileToByteArray

public static byte[] readFileToByteArray(java.io.File file)
                                  throws java.io.IOException

抛出:

java.io.IOException

readLines

public static java.util.List<java.lang.String> readLines(java.io.File file,
                                                         java.nio.charset.Charset encoding)
                                                  throws java.io.IOException

抛出:

java.io.IOException

readLines

public static java.util.List<java.lang.String> readLines(java.io.File file,
                                                         java.lang.String encoding)
                                                  throws java.io.IOException

抛出:

java.io.IOException

readLines

public static java.util.List<java.lang.String> readLines(java.io.File file)
                                                  throws java.io.IOException

抛出:

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String data,
                                     java.nio.charset.Charset encoding)
                              throws java.io.IOException

抛出:

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String data,
                                     java.lang.String encoding)
                              throws java.io.IOException

抛出:

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String data,
                                     java.nio.charset.Charset encoding,
                                     boolean append)
                              throws java.io.IOException

抛出:

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String data,
                                     java.lang.String encoding,
                                     boolean append)
                              throws java.io.IOException

抛出:

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String data)
                              throws java.io.IOException

抛出:

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String data,
                                     boolean append)
                              throws java.io.IOException

抛出:

java.io.IOException

write

public static void write(java.io.File file,
                         java.lang.CharSequence data)
                  throws java.io.IOException

抛出:

java.io.IOException

write

public static void write(java.io.File file,
                         java.lang.CharSequence data,
                         boolean append)
                  throws java.io.IOException

抛出:

java.io.IOException

write

public static void write(java.io.File file,
                         java.lang.CharSequence data,
                         java.nio.charset.Charset encoding)
                  throws java.io.IOException

抛出:

java.io.IOException

write

public static void write(java.io.File file,
                         java.lang.CharSequence data,
                         java.lang.String encoding)
                  throws java.io.IOException

抛出:

java.io.IOException

write

public static void write(java.io.File file,
                         java.lang.CharSequence data,
                         java.nio.charset.Charset encoding,
                         boolean append)
                  throws java.io.IOException

抛出:

java.io.IOException

write

public static void write(java.io.File file,
                         java.lang.CharSequence data,
                         java.lang.String encoding,
                         boolean append)
                  throws java.io.IOException

抛出:

java.io.IOException

writeByteArrayToFile

public static void writeByteArrayToFile(java.io.File file,
                                        byte[] data)
                                 throws java.io.IOException

抛出:

java.io.IOException

writeByteArrayToFile

public static void writeByteArrayToFile(java.io.File file,
                                        byte[] data,
                                        boolean append)
                                 throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.lang.String encoding,
                              java.util.Collection<?> lines)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.lang.String encoding,
                              java.util.Collection<?> lines,
                              boolean append)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.util.Collection<?> lines)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.util.Collection<?> lines,
                              boolean append)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.lang.String encoding,
                              java.util.Collection<?> lines,
                              java.lang.String lineEnding)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.lang.String encoding,
                              java.util.Collection<?> lines,
                              java.lang.String lineEnding,
                              boolean append)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.util.Collection<?> lines,
                              java.lang.String lineEnding)
                       throws java.io.IOException

抛出:

java.io.IOException

writeLines

public static void writeLines(java.io.File file,
                              java.util.Collection<?> lines,
                              java.lang.String lineEnding,
                              boolean append)
                       throws java.io.IOException

抛出:

java.io.IOException

forceDelete

public static void forceDelete(java.io.File file)
                        throws java.io.IOException

抛出:

java.io.IOException

forceDeleteOnExit

public static void forceDeleteOnExit(java.io.File file)
                              throws java.io.IOException

抛出:

java.io.IOException

forceMkdir

public static void forceMkdir(java.io.File directory)
                       throws java.io.IOException

抛出:

java.io.IOException

mkdirs

public static boolean mkdirs(java.io.File directory)

sizeOf

public static long sizeOf(java.io.File file)

sizeOfAsBigInteger

public static java.math.BigInteger sizeOfAsBigInteger(java.io.File file)

sizeOfDirectory

public static long sizeOfDirectory(java.io.File directory)

sizeOfDirectoryAsBigInteger

public static java.math.BigInteger sizeOfDirectoryAsBigInteger(java.io.File directory)

isFileNewer

public static boolean isFileNewer(java.io.File file,
                                  java.io.File reference)

isFileNewer

public static boolean isFileNewer(java.io.File file,
                                  java.util.Date date)

isFileNewer

public static boolean isFileNewer(java.io.File file,
                                  long timeMillis)

isFileOlder

public static boolean isFileOlder(java.io.File file,
                                  java.io.File reference)

isFileOlder

public static boolean isFileOlder(java.io.File file,
                                  java.util.Date date)

isFileOlder

public static boolean isFileOlder(java.io.File file,
                                  long timeMillis)

moveDirectory

public static void moveDirectory(java.io.File srcDir,
                                 java.io.File destDir)
                          throws java.io.IOException

抛出:

java.io.IOException

moveDirectoryToDirectory

public static void moveDirectoryToDirectory(java.io.File src,
                                            java.io.File destDir,
                                            boolean createDestDir)
                                     throws java.io.IOException

抛出:

java.io.IOException

moveFile

public static void moveFile(java.io.File srcFile,
                            java.io.File destFile)
                     throws java.io.IOException

抛出:

java.io.IOException

moveFileToDirectory

public static void moveFileToDirectory(java.io.File srcFile,
                                       java.io.File destDir,
                                       boolean createDestDir)
                                throws java.io.IOException

抛出:

java.io.IOException

moveToDirectory

public static void moveToDirectory(java.io.File src,
                                   java.io.File destDir,
                                   boolean createDestDir)
                            throws java.io.IOException

抛出:

java.io.IOException

isSymlink

public static boolean isSymlink(java.io.File file)
                         throws java.io.IOException

抛出:

java.io.IOException

deleteFD

public static boolean deleteFD(java.lang.String path)

deleteFD

public static boolean deleteFD(java.io.File fd)

deleteFile

public static boolean deleteFile(java.lang.String fileName)

deleteFile

public static boolean deleteFile(java.io.File file)

deleteDirectory

public static boolean deleteDirectory(java.io.File dir)

clearDirectory

public static void clearDirectory(java.io.File dir)

openOrCreateFile

public static java.io.File openOrCreateFile(java.lang.String path)
                                     throws java.io.IOException

抛出:

java.io.IOException

mergeFiles

public static void mergeFiles(java.lang.String outFile,
                              java.lang.String[] files)

getMimeType

public static final java.lang.String getMimeType(java.lang.String filePath)