com.github.netty.core.util

类 IOUtil

java.lang.Object

com.github.netty.core.util.IOUtil

public class IOUtil
extends Object

(input | output) stream tool

作者:

wangzihao 2018/8/11/011

字段概要

字段

限定符和类型	字段和说明
static int	BYTE_LENGTH
static int	CHAR_LENGTH
static boolean	FORCE_META_DATA
static int	INT_LENGTH
static int	LONG_LENGTH
static int	SHORT_LENGTH

构造器概要

构造器

构造器和说明
IOUtil()

方法概要

限定符和类型	方法和说明
static void	copyFile(String sourcePath, String sourceFileName, String targetPath, String targetFileName, boolean append) Copy files
static boolean	deleteDir(File dir) Delete a file or directory
static void	deleteDirChild(File dir) Delete all subdirectories or files in the directory
static byte	getByte(byte[] memory, int index)
static int	getInt(io.netty.util.AsciiString memory)
static int	getInt(byte[] memory, int index)
static int	getIntLE(byte[] memory, int index)
static long	getLong(byte[] memory, int index)
static long	getLongLE(byte[] memory, int index)
static short	getShort(byte[] memory, int index)
static short	getShortLE(byte[] memory, int index)
static String	getString(byte[] memory, Charset charset)
static int	getUnsignedByte(byte[] memory, int index)
static long	getUnsignedInt(byte[] memory, int index)
static int	getUnsignedMedium(byte[] memory, int index)
static int	getUnsignedMediumLE(byte[] memory, int index)
static int	getUnsignedShort(byte[] memory, int index)
static int	indexOf(io.netty.buffer.ByteBuf byteBuf, byte value)
static void	main(String[] args)
static byte[]	merge(byte[] bytes1, byte[] bytes2) byte merge
static FileInputStream	newFileInputStream(String sourcePath, String sourceFileName) newFileInputStream (note: close it after using)
static FileOutputStream	newFileOutputStream(String targetPath, String targetFileName, boolean append) newFileOutputStream (note: close it after using)
static io.netty.buffer.ByteBuf	readFileToByteBuf(String sourcePath, String sourceFileName) Read the file to bytebuffer.
static byte[]	readFileToBytes(String sourcePath, String sourceFileName) Read file to byte[]
static String	readFileToString(String sourcePath, String sourceFileName, String charset) Read the file
static String	readInput(InputStream inputStream) Read input stream
static String	readInput(InputStream inputStream, String encode)
static long	readLong(InputStream in)
static void	setByte(byte[] memory, int index, int value)
static void	setInt(byte[] memory, int index, int value)
static void	setIntLE(byte[] memory, int index, int value)
static void	setLong(byte[] memory, int index, long value)
static void	setLongLE(byte[] memory, int index, long value)
static void	setMedium(byte[] memory, int index, int value)
static void	setMediumLE(byte[] memory, int index, int value)
static void	setShort(byte[] memory, int index, int value)
static void	setShortLE(byte[] memory, int index, int value)
static String	trimFilename(String fileName)
static File	writeFile(byte[] data, String targetPath, String targetFileName, boolean append) writeFile
static File	writeFile(InputStream in, String targetPath, String targetFileName, boolean append) writeFile
static File	writeFile(Iterator<ByteBuffer> dataIterator, String targetPath, String targetFileName, boolean append) writeFile
static void	writerModeToReadMode(io.netty.buffer.ByteBuf byteBuf) Write mode to read mode

从类继承的方法 java.lang.Object

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

字段详细资料

BYTE_LENGTH

public static final int BYTE_LENGTH

另请参阅:

常量字段值

INT_LENGTH

public static final int INT_LENGTH

另请参阅:

常量字段值

CHAR_LENGTH

public static final int CHAR_LENGTH

另请参阅:

常量字段值

SHORT_LENGTH

public static final int SHORT_LENGTH

另请参阅:

常量字段值

LONG_LENGTH

public static final int LONG_LENGTH

另请参阅:

常量字段值

FORCE_META_DATA

public static boolean FORCE_META_DATA

构造器详细资料

IOUtil

public IOUtil()

方法详细资料

merge

public static byte[] merge(byte[] bytes1,
                           byte[] bytes2)

byte merge

参数:

bytes1 - bytes1

bytes2 - bytes2

返回:

new bytes

writerModeToReadMode

public static void writerModeToReadMode(io.netty.buffer.ByteBuf byteBuf)

Write mode to read mode

参数:

byteBuf - byteBuf

copyFile

public static void copyFile(String sourcePath,
                            String sourceFileName,
                            String targetPath,
                            String targetFileName,
                            boolean append)
                     throws FileNotFoundException,
                            IOException

Copy files

参数:

sourcePath - sourcePath

sourceFileName - sourceFileName

targetPath - targetPath

targetFileName - targetFileName

append - Whether to concatenate old data

抛出:

FileNotFoundException - FileNotFoundException

IOException - IOException

writeFile

public static File writeFile(byte[] data,
                             String targetPath,
                             String targetFileName,
                             boolean append)
                      throws IOException

writeFile

参数:

data - data

targetPath - targetPath

targetFileName - targetFileName

append - Whether to concatenate old data

返回:

File

抛出:

IOException - IOException

writeFile

public static File writeFile(InputStream in,
                             String targetPath,
                             String targetFileName,
                             boolean append)
                      throws IOException

writeFile

参数:

in - data

targetPath - targetPath

targetFileName - targetFileName

append - Whether to concatenate old data

返回:

File

抛出:

IOException - IOException

writeFile

public static File writeFile(Iterator<ByteBuffer> dataIterator,
                             String targetPath,
                             String targetFileName,
                             boolean append)
                      throws IOException

writeFile

参数:

dataIterator - data

targetPath - targetPath

targetFileName - targetFileName

append - Whether to concatenate old data

返回:

File

抛出:

IOException - IOException

trimFilename

public static String trimFilename(String fileName)

readFileToByteBuf

public static io.netty.buffer.ByteBuf readFileToByteBuf(String sourcePath,
                                                        String sourceFileName)
                                                 throws FileNotFoundException,
                                                        IOException

Read the file to bytebuffer.(note: remember to close after using)

参数:

sourcePath - sourcePath

sourceFileName - sourceFileName

返回:

bytebuffer

抛出:

FileNotFoundException - FileNotFoundException

IOException - IOException

readFileToBytes

public static byte[] readFileToBytes(String sourcePath,
                                     String sourceFileName)
                              throws FileNotFoundException,
                                     IOException

Read file to byte[]

参数:

sourcePath - sourcePath

sourceFileName - sourceFileName

返回:

byte[]

抛出:

FileNotFoundException - FileNotFoundException

IOException - IOException

readFileToString

public static String readFileToString(String sourcePath,
                                      String sourceFileName,
                                      String charset)
                               throws FileNotFoundException

Read the file

参数:

sourcePath - sourcePath

sourceFileName - sourceFileName

charset - charset

返回:

File stream

抛出:

FileNotFoundException - FileNotFoundException

readInput

public static String readInput(InputStream inputStream)

Read input stream

参数:

inputStream - inputStream

返回:

InputText

readInput

public static String readInput(InputStream inputStream,
                               String encode)

newFileOutputStream

public static FileOutputStream newFileOutputStream(String targetPath,
                                                   String targetFileName,
                                                   boolean append)
                                            throws IOException

newFileOutputStream (note: close it after using)

参数:

targetPath - targetPath

targetFileName - targetFileName

append - Whether to concatenate old data

返回:

FileOutputStream

抛出:

FileNotFoundException - FileNotFoundException

IOException

newFileInputStream

public static FileInputStream newFileInputStream(String sourcePath,
                                                 String sourceFileName)
                                          throws FileNotFoundException

newFileInputStream (note: close it after using)

参数:

sourcePath - sourcePath

sourceFileName - sourceFileName

返回:

File stream

抛出:

FileNotFoundException - FileNotFoundException

indexOf

public static int indexOf(io.netty.buffer.ByteBuf byteBuf,
                          byte value)

deleteDirChild

public static void deleteDirChild(File dir)

Delete all subdirectories or files in the directory

参数:

dir - Folder path

deleteDir

public static boolean deleteDir(File dir)

Delete a file or directory

参数:

dir - Folder path or file path

返回:

boolean Returns "true" if all deletions were successful. If a deletion fails, the method stops attempting to delete and returns "false".

readLong

public static long readLong(InputStream in)
                     throws IOException

抛出:

IOException

getString

public static String getString(byte[] memory,
                               Charset charset)

getByte

public static byte getByte(byte[] memory,
                           int index)

getShort

public static short getShort(byte[] memory,
                             int index)

getShortLE

public static short getShortLE(byte[] memory,
                               int index)

getUnsignedInt

public static long getUnsignedInt(byte[] memory,
                                  int index)

getUnsignedByte

public static int getUnsignedByte(byte[] memory,
                                  int index)

getUnsignedShort

public static int getUnsignedShort(byte[] memory,
                                   int index)

getUnsignedMedium

public static int getUnsignedMedium(byte[] memory,
                                    int index)

getUnsignedMediumLE

public static int getUnsignedMediumLE(byte[] memory,
                                      int index)

getInt

public static int getInt(byte[] memory,
                         int index)

getInt

public static int getInt(io.netty.util.AsciiString memory)

getIntLE

public static int getIntLE(byte[] memory,
                           int index)

getLong

public static long getLong(byte[] memory,
                           int index)

getLongLE

public static long getLongLE(byte[] memory,
                             int index)

setByte

public static void setByte(byte[] memory,
                           int index,
                           int value)

setShort

public static void setShort(byte[] memory,
                            int index,
                            int value)

setShortLE

public static void setShortLE(byte[] memory,
                              int index,
                              int value)

setMedium

public static void setMedium(byte[] memory,
                             int index,
                             int value)

setMediumLE

public static void setMediumLE(byte[] memory,
                               int index,
                               int value)

setInt

public static void setInt(byte[] memory,
                          int index,
                          int value)

setIntLE

public static void setIntLE(byte[] memory,
                            int index,
                            int value)

setLong

public static void setLong(byte[] memory,
                           int index,
                           long value)

setLongLE

public static void setLongLE(byte[] memory,
                             int index,
                             long value)

main

public static void main(String[] args)
                 throws InterruptedException

抛出:

InterruptedException