com.github.paganini2008.devtools.io

类 FileUtils

java.lang.Object

com.github.paganini2008.devtools.io.FileUtils

public abstract class FileUtils
extends Object

FileUtils

版本:

1.0

作者:

Fred Feng

字段概要

字段

限定符和类型	字段和说明
static BigInteger	EB
static File[]	EMPTY_ARRAY
static long	FILE_COPY_BUFFER_SIZE
static long	GB
static long	KB
static long	MB
static long	PB
static long	TB
static BigInteger	YB
static BigInteger	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
private static void	canChange(File directory)
private static void	canRead(File file)
private static void	canScan(File directory)
private static void	canWrite(File file)
static void	cleanDirectory(File directory)
private static void	cleanDirectoryOnExit(File directory)
static void	clearFile(File file, Charset charset)
static void	copyDirectory(File srcDir, File destDir)
static void	copyDirectory(File srcDir, File destDir, FileFilter filter)
static void	copyFile(File srcFile, File destFile)
static void	copyFile(File file, List<String> collection)
static void	copyFile(File file, List<String> collection, Charset charset)
static long	copyFile(File input, OutputStream output)
static int	copyFile(File file, StringBuffer str, Charset charset)
static int	copyFile(File file, StringBuilder str, Charset charset)
static void	copyFile(File file, Writer writer)
static void	copyFile(File file, Writer writer, String charset)
static void	copyFilesToDirectory(File[] files, File destDir)
static void	copyFileToDirectory(File srcFile, File destDir)
static void	deleteDirectory(File directory)
private static void	deleteDirectoryOnExit(File directory)
static void	deleteFile(File file)
static void	deleteFileOnExit(File file)
private static void	doCopyDirectory(File srcDir, File destDir, FileFilter filter, List<String> exclusionList)
private static void	doCopyFile(File source, File destination)
static boolean	exists(File file)
static boolean	exists(String file)
static String	formatSize(BigInteger size)
static String	formatSize(BigInteger size, int scale)
static String	formatSize(long size)
static String	formatSize(long size, int scale)
static String	getBaseName(File file)
static BufferedReader	getBufferedReader(File file, String charset)
static BufferedReader	getBufferedReader(File file, String charset, int bufferSize)
static BufferedReader	getBufferedReader(String filePath, String charset)
static BufferedWriter	getBufferedWriter(File file, boolean append, Charset charset)
static BufferedWriter	getBufferedWriter(File file, Charset charset)
static BufferedWriter	getBufferedWriter(String filePath, Charset charset)
static String	getExtension(File file)
static File	getFile(File directory, String... names)
static File	getFile(String... names)
static File[]	getFiles(File parent, String... files)
static File[]	getFiles(String... files)
static int	getLineNumber(File file, Charset charset)
static LineNumberReader	getLineNumberReader(File file, Charset charset)
static RandomAccessFile	getRandomAccessFile(File file)
static File	getTempDirectory()
static String	getTempDirectoryPath()
static File	getUserDirectory()
static String	getUserDirectoryPath()
static File	getUserHome()
static String	getUserHomePath()
static boolean	isAvailable(File f)
static boolean	isAvailable(String file)
static boolean	isFileNewer(File file, Date referenceDate)
static boolean	isFileNewer(File file, File reference)
static boolean	isFileNewer(File file, long timeMillis)
static boolean	isFileOlder(File file, Date referenceDate)
static boolean	isFileOlder(File file, File reference)
static boolean	isFileOlder(File file, long timeMillis)
static boolean	isNotAvailable(File f)
static boolean	isNotAvailable(String file)
static boolean	isSymlink(File file)
static List<String>	list(File base, FileFilter filter)
static List<File>	listFiles(File base, FileFilter filter)
static void	mergeTo(File[] files, File outputFile, Charset charset)
static boolean	mkdirs(File dir)
static void	mkdirs(String dir)
static void	moveDirectory(File srcDir, File destDir)
static void	moveDirectoryToDirectory(File srcDir, File destDir)
static void	moveFile(File srcFile, File destFile)
static void	moveFileToDirectory(File srcFile, File destDir)
static void	moveToDirectory(File src, File destDir, boolean createDestDir)
static boolean	notExists(File file)
static boolean	notExists(String file)
static FileInputStream	openInputStream(File file)
static FileInputStream	openInputStream(String file)
static FileOutputStream	openOutputStream(File file)
static FileOutputStream	openOutputStream(File file, boolean append)
static FileOutputStream	openOutputStream(String file)
static FileOutputStream	openOutputStream(String file, boolean append)
static List<String>	readLines(File file)
static List<String>	readLines(File file, Charset charset)
static long	sizeOf(File file, FileFilter filter)
static long	sizeOfDirectory(File directory, FileFilter filter)
static void	split(File file, Charset charset, int line, File output, String template)
static void	split(File file, int line, File output, String template)
static byte[]	toByteArray(File file)
static char[]	toCharArray(File file, String charset)
static String	toString(File file, Charset charset)
static String	toString(String filePath, Charset charset)
static void	touch(File file)
static void	touch(String file)
private static void	writeBOM(FileOutputStream fos, Charset charset)
static void	writeFile(byte[] bytes, File file, boolean append)
static void	writeFile(char[] content, File file, boolean append, Charset charset)
static void	writeFile(CharSequence content, File file, boolean append, Charset charset)
static void	writeFile(Collection<String> collection, File file, boolean append, Charset charset)
static void	writeFile(InputStream in, File file, boolean append)
static void	writeFile(Reader reader, File file, boolean append, Charset charset)

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

EMPTY_ARRAY

public static final File[] EMPTY_ARRAY

KB

public static final long KB

另请参阅:

常量字段值

MB

public static final long MB

另请参阅:

常量字段值

GB

public static final long GB

另请参阅:

常量字段值

TB

public static final long TB

另请参阅:

常量字段值

PB

public static final long PB

另请参阅:

常量字段值

EB

public static final BigInteger EB

ZB

public static final BigInteger ZB

YB

public static final BigInteger YB

FILE_COPY_BUFFER_SIZE

public static final long FILE_COPY_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 File getFile(File directory,
                           String... names)

getFile

public static File getFile(String... names)

getTempDirectoryPath

public static String getTempDirectoryPath()

getTempDirectory

public static File getTempDirectory()

getUserHomePath

public static String getUserHomePath()

getUserHome

public static File getUserHome()

getUserDirectoryPath

public static String getUserDirectoryPath()

getUserDirectory

public static File getUserDirectory()

getBaseName

public static String getBaseName(File file)

getExtension

public static String getExtension(File file)

canRead

private static void canRead(File file)
                     throws IOException

抛出:

IOException

canScan

private static void canScan(File directory)
                     throws IOException

抛出:

IOException

canWrite

private static void canWrite(File file)
                      throws IOException

抛出:

IOException

canChange

private static void canChange(File directory)
                       throws IOException

抛出:

IOException

getFiles

public static File[] getFiles(File parent,
                              String... files)

getFiles

public static File[] getFiles(String... files)

touch

public static void touch(File file)
                  throws IOException

抛出:

IOException

mkdirs

public static boolean mkdirs(File dir)
                      throws IOException

抛出:

IOException

mkdirs

public static void mkdirs(String dir)
                   throws IOException

抛出:

IOException

touch

public static void touch(String file)
                  throws IOException

抛出:

IOException

getRandomAccessFile

public static RandomAccessFile getRandomAccessFile(File file)
                                            throws IOException

抛出:

IOException

openInputStream

public static FileInputStream openInputStream(String file)
                                       throws IOException

抛出:

IOException

openInputStream

public static FileInputStream openInputStream(File file)
                                       throws IOException

抛出:

IOException

getBufferedReader

public static BufferedReader getBufferedReader(String filePath,
                                               String charset)
                                        throws IOException

抛出:

IOException

getBufferedReader

public static BufferedReader getBufferedReader(File file,
                                               String charset)
                                        throws IOException

抛出:

IOException

getBufferedReader

public static BufferedReader getBufferedReader(File file,
                                               String charset,
                                               int bufferSize)
                                        throws IOException

抛出:

IOException

getLineNumberReader

public static LineNumberReader getLineNumberReader(File file,
                                                   Charset charset)
                                            throws IOException

抛出:

IOException

openOutputStream

public static FileOutputStream openOutputStream(String file)
                                         throws IOException

抛出:

IOException

openOutputStream

public static FileOutputStream openOutputStream(File file)
                                         throws IOException

抛出:

IOException

openOutputStream

public static FileOutputStream openOutputStream(String file,
                                                boolean append)
                                         throws IOException

抛出:

IOException

openOutputStream

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

抛出:

IOException

writeBOM

private static void writeBOM(FileOutputStream fos,
                             Charset charset)
                      throws IOException

抛出:

IOException

getBufferedWriter

public static BufferedWriter getBufferedWriter(String filePath,
                                               Charset charset)
                                        throws IOException

抛出:

IOException

getBufferedWriter

public static BufferedWriter getBufferedWriter(File file,
                                               Charset charset)
                                        throws IOException

抛出:

IOException

getBufferedWriter

public static BufferedWriter getBufferedWriter(File file,
                                               boolean append,
                                               Charset charset)
                                        throws IOException

抛出:

IOException

formatSize

public static String formatSize(long size)

formatSize

public static String formatSize(long size,
                                int scale)

formatSize

public static String formatSize(BigInteger size)

formatSize

public static String formatSize(BigInteger size,
                                int scale)

isFileNewer

public static boolean isFileNewer(File file,
                                  File reference)
                           throws IOException

抛出:

IOException

isFileNewer

public static boolean isFileNewer(File file,
                                  Date referenceDate)
                           throws IOException

抛出:

IOException

isFileNewer

public static boolean isFileNewer(File file,
                                  long timeMillis)
                           throws IOException

抛出:

IOException

isFileOlder

public static boolean isFileOlder(File file,
                                  File reference)
                           throws IOException

抛出:

IOException

isFileOlder

public static boolean isFileOlder(File file,
                                  Date referenceDate)
                           throws IOException

抛出:

IOException

isFileOlder

public static boolean isFileOlder(File file,
                                  long timeMillis)
                           throws IOException

抛出:

IOException

isSymlink

public static boolean isSymlink(File file)
                         throws IOException

抛出:

IOException

deleteDirectory

public static void deleteDirectory(File directory)
                            throws IOException

抛出:

IOException

cleanDirectory

public static void cleanDirectory(File directory)
                           throws IOException

抛出:

IOException

deleteFile

public static void deleteFile(File file)
                       throws IOException

抛出:

IOException

deleteFileOnExit

public static void deleteFileOnExit(File file)
                             throws IOException

抛出:

IOException

deleteDirectoryOnExit

private static void deleteDirectoryOnExit(File directory)
                                   throws IOException

抛出:

IOException

cleanDirectoryOnExit

private static void cleanDirectoryOnExit(File directory)
                                  throws IOException

抛出:

IOException

toString

public static String toString(File file,
                              Charset charset)
                       throws IOException

抛出:

IOException

toString

public static String toString(String filePath,
                              Charset charset)
                       throws IOException

抛出:

IOException

exists

public static boolean exists(File file)

notExists

public static boolean notExists(File file)

notExists

public static boolean notExists(String file)

exists

public static boolean exists(String file)

isAvailable

public static boolean isAvailable(String file)

isAvailable

public static boolean isAvailable(File f)

isNotAvailable

public static boolean isNotAvailable(String file)

isNotAvailable

public static boolean isNotAvailable(File f)

readLines

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

抛出:

IOException

readLines

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

抛出:

IOException

getLineNumber

public static int getLineNumber(File file,
                                Charset charset)
                         throws IOException

抛出:

IOException

split

public static void split(File file,
                         int line,
                         File output,
                         String template)
                  throws IOException

抛出:

IOException

split

public static void split(File file,
                         Charset charset,
                         int line,
                         File output,
                         String template)
                  throws IOException

抛出:

IOException

mergeTo

public static void mergeTo(File[] files,
                           File outputFile,
                           Charset charset)
                    throws IOException

抛出:

IOException

toByteArray

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

抛出:

IOException

toCharArray

public static char[] toCharArray(File file,
                                 String charset)
                          throws IOException

抛出:

IOException

writeFile

public static void writeFile(byte[] bytes,
                             File file,
                             boolean append)
                      throws IOException

抛出:

IOException

writeFile

public static void writeFile(InputStream in,
                             File file,
                             boolean append)
                      throws IOException

抛出:

IOException

writeFile

public static void writeFile(Reader reader,
                             File file,
                             boolean append,
                             Charset charset)
                      throws IOException

抛出:

IOException

writeFile

public static void writeFile(char[] content,
                             File file,
                             boolean append,
                             Charset charset)
                      throws IOException

抛出:

IOException

writeFile

public static void writeFile(CharSequence content,
                             File file,
                             boolean append,
                             Charset charset)
                      throws IOException

抛出:

IOException

writeFile

public static void writeFile(Collection<String> collection,
                             File file,
                             boolean append,
                             Charset charset)
                      throws IOException

抛出:

IOException

moveFileToDirectory

public static void moveFileToDirectory(File srcFile,
                                       File destDir)
                                throws IOException

抛出:

IOException

moveToDirectory

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

抛出:

IOException

moveDirectory

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

抛出:

IOException

moveDirectoryToDirectory

public static void moveDirectoryToDirectory(File srcDir,
                                            File destDir)
                                     throws IOException

抛出:

IOException

moveFile

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

抛出:

IOException

copyFileToDirectory

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

抛出:

IOException

copyFile

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

抛出:

IOException

doCopyFile

private static void doCopyFile(File source,
                               File destination)
                        throws IOException

抛出:

IOException

copyFilesToDirectory

public static void copyFilesToDirectory(File[] files,
                                        File destDir)
                                 throws IOException

抛出:

IOException

copyDirectory

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

抛出:

IOException

copyDirectory

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

抛出:

IOException

doCopyDirectory

private static void doCopyDirectory(File srcDir,
                                    File destDir,
                                    FileFilter filter,
                                    List<String> exclusionList)
                             throws IOException

抛出:

IOException

copyFile

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

抛出:

IOException

copyFile

public static void copyFile(File file,
                            Writer writer)
                     throws IOException

抛出:

IOException

copyFile

public static void copyFile(File file,
                            Writer writer,
                            String charset)
                     throws IOException

抛出:

IOException

copyFile

public static void copyFile(File file,
                            List<String> collection)
                     throws IOException

抛出:

IOException

copyFile

public static void copyFile(File file,
                            List<String> collection,
                            Charset charset)
                     throws IOException

抛出:

IOException

copyFile

public static int copyFile(File file,
                           StringBuilder str,
                           Charset charset)
                    throws IOException

抛出:

IOException

copyFile

public static int copyFile(File file,
                           StringBuffer str,
                           Charset charset)
                    throws IOException

抛出:

IOException

clearFile

public static void clearFile(File file,
                             Charset charset)
                      throws IOException

抛出:

IOException

list

public static List<String> list(File base,
                                FileFilter filter)

listFiles

public static List<File> listFiles(File base,
                                   FileFilter filter)

sizeOf

public static long sizeOf(File file,
                          FileFilter filter)
                   throws IOException

抛出:

IOException

sizeOfDirectory

public static long sizeOfDirectory(File directory,
                                   FileFilter filter)
                            throws IOException

抛出:

IOException