cn.ponfee.disjob.common.util

类 Files

java.lang.Object

cn.ponfee.disjob.common.util.Files

public final class Files
extends Object

File utilities.

作者:

Ponfee

字段概要

字段

限定符和类型	字段和说明
static int	BUFF_SIZE
static String	CURRENT_PATH
static Charset	DEFAULT_CHARSET
static String	DEFAULT_CHARSET_NAME
static int	EOF
static String	MAC_LINE_SEPARATOR
static String	SYSTEM_FOLDER_SEPARATOR
static String	SYSTEM_LINE_SEPARATOR
static String	TOP_PATH
static String	UNIX_FOLDER_SEPARATOR
static String	UNIX_LINE_SEPARATOR
static String	UTF_8
static String	WINDOWS_FOLDER_SEPARATOR
static String	WINDOWS_LINE_SEPARATOR

构造器概要

构造器

构造器和说明
Files()

方法概要

限定符和类型	方法和说明
static Charset	charset(String charsetName)
static void	cleanOrMakeDir(File path) Clear or make directory
static File	cleanOrMakeDir(String path) Clear or make directory
static String	cleanPath(String path) 文件路径规范化，如“path/..”内部的点号 注意：windows的文件分隔符“\”会替换为“/”
static void	mkdirIfNotExists(File path) Creates directory if not exists
static File	mkdirIfNotExists(String path) Creates directory if not exists
static Document	parseToXmlDocument(InputStream inputStream)
static byte[]	readByteArray(File file, int count)
static byte[]	readByteArray(InputStream input, int count)
static byte[]	readByteArray(String filePath, int count)
static List<String>	readLines(File file, String charset)
static List<String>	readLines(InputStream input, String charset)
static void	readLines(InputStream input, String charset, Consumer<String> consumer) Read input-stream as text line
static String	tmpDir()
static byte[]	toByteArray(File file) Reads file to byte array
static File	toFile(URL url)
static String	toString(File file)
static String	toString(File file, Charset charset)
static String	toString(File file, String charsetName)
static String	toString(String file)
static void	touchIfNotExists(File path) Creates file if not exists
static File	touchIfNotExists(String path) Creates file if not exists

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

EOF

public static final int EOF

另请参阅:

常量字段值

BUFF_SIZE

public static final int BUFF_SIZE

另请参阅:

常量字段值

TOP_PATH

public static final String TOP_PATH

另请参阅:

常量字段值

CURRENT_PATH

public static final String CURRENT_PATH

另请参阅:

常量字段值

DEFAULT_CHARSET

public static final Charset DEFAULT_CHARSET

DEFAULT_CHARSET_NAME

public static final String DEFAULT_CHARSET_NAME

UTF_8

public static final String UTF_8

另请参阅:

常量字段值

WINDOWS_FOLDER_SEPARATOR

public static final String WINDOWS_FOLDER_SEPARATOR

另请参阅:

常量字段值

UNIX_FOLDER_SEPARATOR

public static final String UNIX_FOLDER_SEPARATOR

另请参阅:

常量字段值

SYSTEM_FOLDER_SEPARATOR

public static final String SYSTEM_FOLDER_SEPARATOR

UNIX_LINE_SEPARATOR

public static final String UNIX_LINE_SEPARATOR

另请参阅:

常量字段值

WINDOWS_LINE_SEPARATOR

public static final String WINDOWS_LINE_SEPARATOR

另请参阅:

常量字段值

MAC_LINE_SEPARATOR

public static final String MAC_LINE_SEPARATOR

另请参阅:

常量字段值

SYSTEM_LINE_SEPARATOR

public static final String SYSTEM_LINE_SEPARATOR

构造器详细资料

Files

public Files()

方法详细资料

tmpDir

public static String tmpDir()

mkdirIfNotExists

public static File mkdirIfNotExists(String path)
                             throws IOException

Creates directory if not exists

参数:

path - the path

返回:

directory

抛出:

IOException - if create failed

mkdirIfNotExists

public static void mkdirIfNotExists(File path)
                             throws IOException

Creates directory if not exists

参数:

path - the path

抛出:

IOException - if create failed

cleanOrMakeDir

public static File cleanOrMakeDir(String path)
                           throws IOException

Clear or make directory

参数:

path - the path

返回:

file

抛出:

IOException - if clean or make failed

cleanOrMakeDir

public static void cleanOrMakeDir(File path)
                           throws IOException

Clear or make directory

参数:

path - the path

抛出:

IOException - if clean or make failed

touchIfNotExists

public static File touchIfNotExists(String path)
                             throws IOException

Creates file if not exists

参数:

path - the path

返回:

file

抛出:

IOException - if create failed

touchIfNotExists

public static void touchIfNotExists(File path)
                             throws IOException

Creates file if not exists

参数:

path - the path

抛出:

IOException - if create failed

toString

public static String toString(String file)

toString

public static String toString(File file)

toString

public static String toString(File file,
                              String charsetName)

toString

public static String toString(File file,
                              Charset charset)

toByteArray

public static byte[] toByteArray(File file)

Reads file to byte array

参数:

file - the file

返回:

file byte array

readLines

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

抛出:

FileNotFoundException

readLines

public static List<String> readLines(InputStream input,
                                     String charset)

readLines

public static void readLines(InputStream input,
                             String charset,
                             Consumer<String> consumer)

Read input-stream as text line

参数:

input - the input stream

charset - the charset

consumer - the consumer

readByteArray

public static byte[] readByteArray(InputStream input,
                                   int count)
                            throws IOException

抛出:

IOException

readByteArray

public static byte[] readByteArray(File file,
                                   int count)
                            throws IOException

抛出:

IOException

readByteArray

public static byte[] readByteArray(String filePath,
                                   int count)
                            throws IOException

抛出:

IOException

cleanPath

public static String cleanPath(String path)

文件路径规范化，如“path/..”内部的点号 注意：windows的文件分隔符“\”会替换为“/”

参数:

path - 文件路径

返回:

规范的文件路径

charset

public static Charset charset(String charsetName)

toFile

public static File toFile(URL url)

parseToXmlDocument

public static Document parseToXmlDocument(InputStream inputStream)
                                   throws Exception

抛出:

Exception