com.marshalchen.common.commonUtils.fileUtils

类 FileUtils

java.lang.Object

com.marshalchen.common.commonUtils.fileUtils.FileUtils

public class FileUtils
extends java.lang.Object

To do something with file,like reading ,writing etc.

构造器概要

构造器

构造器和说明
FileUtils()

方法概要

方法

限定符和类型	方法和说明
static boolean	copyFile(java.lang.String sourceFilePath, java.lang.String destFilePath) Copy file
static void	copyFileFromInputStream(java.io.InputStream is, java.lang.String newPath) Copy File from InputStream
static void	copyFileFromPath(java.lang.String oldPath, java.lang.String newPath) Copy file
static void	createFile(java.lang.String path, java.lang.String fileName) Create New File
static boolean	deleteFile(java.lang.String filePath) Delete the File no matter it's a file or folder.If the file path is a folder,this method will delete all the file in the folder.
static java.lang.String	getCurrentDataPath(android.content.Context context)
static java.lang.String	getCurrentDataPath(android.content.Context context, java.lang.String folderName)
static java.lang.String	getFileExtension(java.lang.String filePath) Get extension of the file
static java.lang.String	getFileName(java.lang.String filePath) Get the file name with extension
static java.lang.String	getFileNameWithoutExtension(java.lang.String filePath) Get only the file name without extension
static long	getFileSize(java.lang.String path) Get size of the file
static java.lang.String	getFolderName(java.lang.String filePath) Get folder name from the filepath
static boolean	isFileExist(java.lang.String filePath) Indicates if the file represents a file exists.
static boolean	isFolderExist(java.lang.String directoryPath) Indicates if the file represents a directory exists.
static boolean	makeDirs(java.lang.String dirPath) Create Folder
static java.lang.String	readFile(java.io.File fileName) Read file to String with default charset 'UTF-8'
static java.lang.String	readFile(java.io.File fileName, java.lang.String charset) Read file to String
static java.lang.String	readFile(java.lang.String fileName) Read file to String with default charset 'UTF-8'
static java.lang.String	readFile(java.lang.String fileName, java.lang.String charset) Read file to String
static boolean	writeFile(java.io.File file, java.io.InputStream stream) write file, the bytes will be written to the begin of the file
static boolean	writeFile(java.io.File file, java.io.InputStream stream, boolean append) Write file
static boolean	writeFile(java.lang.String filePath, java.io.InputStream stream) Write file with InputStream
static boolean	writeFile(java.lang.String filePath, java.io.InputStream stream, boolean append) write file
static boolean	writeFile(java.lang.String filePath, java.lang.String content) If the file already exists, it will be truncated.
static boolean	writeFile(java.lang.String filePath, java.lang.String content, boolean append) If append is true and the file already exists, it will be appended to; otherwise it will be truncated.
static void	WriteStreamAppendByFileOutputStream(java.lang.String fileName, java.lang.String content) Append file using FileOutputStream
static void	writeStreamAppendByFileWriter(java.lang.String fileName, java.lang.String content) Append file using FileWriter
static void	WriteStreamAppendByRandomAccessFile(java.lang.String fileName, java.lang.String content) Append file using RandomAccessFile

从类继承的方法 java.lang.Object

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

构造器详细资料

FileUtils

public FileUtils()

方法详细资料

readFile

public static java.lang.String readFile(java.lang.String fileName,
                        java.lang.String charset)
                                 throws java.io.IOException

Read file to String

参数:

fileName -

charset -

返回:

抛出:

java.io.IOException

readFile

public static java.lang.String readFile(java.lang.String fileName)
                                 throws java.io.IOException

Read file to String with default charset 'UTF-8'

参数:

fileName -

返回:

抛出:

java.io.IOException

readFile

public static java.lang.String readFile(java.io.File fileName)
                                 throws java.io.IOException

Read file to String with default charset 'UTF-8'

参数:

fileName -

返回:

抛出:

java.io.IOException

readFile

public static java.lang.String readFile(java.io.File fileName,
                        java.lang.String charset)
                                 throws java.io.IOException

Read file to String

参数:

fileName -

charset -

返回:

抛出:

java.io.IOException

getCurrentDataPath

public static java.lang.String getCurrentDataPath(android.content.Context context)
                                           throws java.io.IOException

抛出:

java.io.IOException

getCurrentDataPath

public static java.lang.String getCurrentDataPath(android.content.Context context,
                                  java.lang.String folderName)
                                           throws java.io.IOException

抛出:

java.io.IOException

createFile

public static void createFile(java.lang.String path,
              java.lang.String fileName)
                       throws java.io.IOException

Create New File

参数:

path - Folder Name

fileName - File Name

抛出:

java.io.IOException

WriteStreamAppendByFileOutputStream

public static void WriteStreamAppendByFileOutputStream(java.lang.String fileName,
                                       java.lang.String content)
                                                throws java.io.IOException

Append file using FileOutputStream

参数:

fileName -

content -

抛出:

java.io.IOException

writeStreamAppendByFileWriter

public static void writeStreamAppendByFileWriter(java.lang.String fileName,
                                 java.lang.String content)
                                          throws java.io.IOException

Append file using FileWriter

参数:

fileName -

content -

抛出:

java.io.IOException

WriteStreamAppendByRandomAccessFile

public static void WriteStreamAppendByRandomAccessFile(java.lang.String fileName,
                                       java.lang.String content)
                                                throws java.io.IOException

Append file using RandomAccessFile

参数:

fileName -

content -

抛出:

java.io.IOException

copyFileFromPath

public static void copyFileFromPath(java.lang.String oldPath,
                    java.lang.String newPath)
                             throws java.io.IOException

Copy file

参数:

oldPath - String

newPath - String

抛出:

java.io.IOException

copyFileFromInputStream

public static void copyFileFromInputStream(java.io.InputStream is,
                           java.lang.String newPath)
                                    throws java.io.IOException

Copy File from InputStream

参数:

is - InputStream

newPath - String

抛出:

java.io.IOException

writeFile

public static boolean writeFile(java.lang.String filePath,
                java.lang.String content,
                boolean append)
                         throws java.io.IOException

If append is true and the file already exists, it will be appended to; otherwise it will be truncated. The file will be created if it does not exist.

参数:

filePath -

content -

append - Indicates whether or not to append to an existing file.

返回:

return false if content is empty, true otherwise

抛出:

java.lang.RuntimeException - if an error occurs while operator FileWriter

java.io.IOException

writeFile

public static boolean writeFile(java.lang.String filePath,
                java.lang.String content)
                         throws java.io.IOException

If the file already exists, it will be truncated. The file will be created if it does not exist.

参数:

filePath -

content -

返回:

抛出:

java.io.IOException

writeFile

public static boolean writeFile(java.lang.String filePath,
                java.io.InputStream stream)

Write file with InputStream

参数:

filePath -

stream -

返回:

writeFile

public static boolean writeFile(java.lang.String filePath,
                java.io.InputStream stream,
                boolean append)

write file

参数:

filePath - the file to be opened for writing.

stream - the input stream

append - if true, then bytes will be written to the end of the file rather than the beginning

返回:

return true

抛出:

java.lang.RuntimeException - if an error occurs while operator FileOutputStream

writeFile

public static boolean writeFile(java.io.File file,
                java.io.InputStream stream)

write file, the bytes will be written to the begin of the file

参数:

file -

stream -

返回:

另请参阅:

#writeFile(java.io.File, java.io.InputStream, boolean)}

writeFile

public static boolean writeFile(java.io.File file,
                java.io.InputStream stream,
                boolean append)

Write file

参数:

file - the file to be opened for writing.

stream - the input stream

append - if true, then bytes will be written to the end of the file rather than the beginning

返回:

return true

抛出:

java.lang.RuntimeException - if an error occurs while operator FileOutputStream

copyFile

public static boolean copyFile(java.lang.String sourceFilePath,
               java.lang.String destFilePath)

Copy file

参数:

sourceFilePath -

destFilePath -

返回:

抛出:

java.lang.RuntimeException - if an error occurs while operator FileOutputStream

getFileNameWithoutExtension

public static java.lang.String getFileNameWithoutExtension(java.lang.String filePath)

Get only the file name without extension

参数:

filePath -

返回:

getFileName

public static java.lang.String getFileName(java.lang.String filePath)

Get the file name with extension

参数:

filePath -

返回:

getFolderName

public static java.lang.String getFolderName(java.lang.String filePath)

Get folder name from the filepath

参数:

filePath -

返回:

getFileExtension

public static java.lang.String getFileExtension(java.lang.String filePath)

Get extension of the file

参数:

filePath -

返回:

makeDirs

public static boolean makeDirs(java.lang.String dirPath)

Create Folder

参数:

dirPath -

返回:

isFileExist

public static boolean isFileExist(java.lang.String filePath)

Indicates if the file represents a file exists.

参数:

filePath -

返回:

isFolderExist

public static boolean isFolderExist(java.lang.String directoryPath)

Indicates if the file represents a directory exists.

参数:

directoryPath -

返回:

deleteFile

public static boolean deleteFile(java.lang.String filePath)
                          throws java.io.IOException

Delete the File no matter it's a file or folder.If the file path is a folder,this method will delete all the file in the folder.

参数:

filePath -

返回:

抛出:

java.io.IOException

getFileSize

public static long getFileSize(java.lang.String path)

Get size of the file

参数:

path -

返回:

Return the length of the file in bytes. Return -1 if the file does not exist.