io.github.msyysoft.java.utiltools

类 FileUtil

java.lang.Object

org.apache.commons.io.FileUtils

io.github.msyysoft.java.utiltools.FileUtil

public class FileUtil
extends org.apache.commons.io.FileUtils

字段概要

从类继承的字段 org.apache.commons.io.FileUtils

EMPTY_FILE_ARRAY, ONE_GB, ONE_KB, ONE_MB

构造器概要

构造器

构造器和说明
FileUtil()

方法概要

限定符和类型	方法和说明
static File	checkMkdir(File dirFile) 检查是否创建了文件夹
static void	filterFilesByDays(List<File> items, File file, int beforeInDays) 递归筛选若干天内的文件
static Object	getObjFromFile(File file) 从文件恢复对象
static String	getStringFromInputStream(InputStream inputStream, String charsetName) inputStream 2 string
static File	getUserDirWithChild(String... child) 获取user.dir目录并可以无限添加子目录
static void	saveAsFileWriter(String content, String filePath) 保存String到本地文件
static void	saveObjToFile(Object obj, File file) 保存对象到文件

从类继承的方法 org.apache.commons.io.FileUtils

byteCountToDisplaySize, checksum, checksumCRC32, cleanDirectory, contentEquals, convertFileCollectionToFileArray, copyDirectory, copyDirectory, copyDirectoryToDirectory, copyFile, copyFile, copyFileToDirectory, copyFileToDirectory, copyURLToFile, deleteDirectory, forceDelete, forceDeleteOnExit, forceMkdir, isFileNewer, isFileNewer, isFileNewer, isFileOlder, isFileOlder, isFileOlder, iterateFiles, iterateFiles, lineIterator, lineIterator, listFiles, listFiles, openInputStream, openOutputStream, readFileToByteArray, readFileToString, readFileToString, readLines, readLines, sizeOfDirectory, toFile, toFiles, touch, toURLs, waitFor, writeByteArrayToFile, writeLines, writeLines, writeLines, writeLines, writeStringToFile, writeStringToFile

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

FileUtil

public FileUtil()

方法详细资料

checkMkdir

public static File checkMkdir(File dirFile)
                       throws IOException

检查是否创建了文件夹

参数:

dirFile -

返回:

抛出:

IOException

saveObjToFile

public static void saveObjToFile(Object obj,
                                 File file)
                          throws IOException

保存对象到文件

参数:

obj -

file -

抛出:

IOException

getObjFromFile

public static Object getObjFromFile(File file)
                             throws IOException,
                                    ClassNotFoundException

从文件恢复对象

参数:

file -

抛出:

IOException

ClassNotFoundException

filterFilesByDays

public static void filterFilesByDays(List<File> items,
                                     File file,
                                     int beforeInDays)

递归筛选若干天内的文件

参数:

items - 存放查找的文件

file - 要查询的文件夹

getUserDirWithChild

public static File getUserDirWithChild(String... child)
                                throws IOException

获取user.dir目录并可以无限添加子目录

参数:

child -

返回:

抛出:

IOException

getStringFromInputStream

public static String getStringFromInputStream(InputStream inputStream,
                                              String charsetName)

inputStream 2 string

参数:

inputStream - inputStream

charsetName - charsetName,default is "UTF-8"

返回:

string

saveAsFileWriter

public static void saveAsFileWriter(String content,
                                    String filePath)

保存String到本地文件

参数:

content -

filePath -