java.lang.Object

java.lang.Enum<FileMagicNumber>

org.miaixz.bus.core.io.file.FileMagicNumber

All Implemented Interfaces:: Serializable, Comparable<FileMagicNumber>, Constable

public enum FileMagicNumber extends Enum<FileMagicNumber>

文件类型魔数封装

Since:: Java 17+
Author:: Kimi Liu

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
Enum Constant Summary

Enum Constants

Enum Constant

Description

AAC

aac

AC3

ac3

AIFF

aiff

AMR

amr

APNG

apng

AR

ar

AVI

avi

BMP

bmp

BR

br https://github.com/madler/brotli/blob/master/br-format-v3.txt,brotli 没有固定的file magic number,所以此处只是参考

BZ2

bz2

CAB

cab

CHM

CHM 49 54 53 46

CLASS

class CA FE BA BE

CRX

crx

DBX

dbx

DCM

dcm

DEB

deb

DEX

dex https://source.android.com/devices/tech/dalvik/dex-format#dex-file-magic

DEY

dey

DOC

doc

DOCX

docx

DWG

dwg

ELF

elf

EML

eml

EPUB

epub

EXE

exe

FLAC

flac

FLV

flv

GIF

gif

GZ

gz

ICO

icon

JPEG

jpeg

JXR

jxr

LZ

lz

LZ4

lz4

LZOP

lzo

M3GP

3gp

M4A

mp4

M4V

m4v

MDB

mdb

MIDI

midi

MKV

mkv

MOV

mov 此文件签名非常复杂，只判断常见的几种

MP3

mpeg-mp3

MP4

mp4

MPEG

mpg

NES

nes

OGG

ogg

OTF

otf

PDF

pdf

PNG

png

PPT

ppt

PPTX

pptx

PS

ps

PSD

psd

PST

pst

RAM

ram

RAR

rar

RMVB

rmvb

RPM

rpm

RTF

rtf

SevenZ

7z

SQLITE

sqlite

SWF

swf

TAR

tar

TIFF

tiff

TORRENT

torrent 64 38 3A 61 6E 6E 6F 75 6E 63 65

TTF

ttf

UNKNOWN

未知类型

WASM

wasm

WAV

wav

WEBM

webm

WEBP

webp

WMV

wmv

WOFF

woff The existing registration "application/font-woff" is deprecated in favor of "font/woff".

WOFF2

woff2

WPD

wpd

XCF

xcf

XLS

xls

XLSX

xlsx

XZ

xz

ZIP

zip

ZSTD

zst
Method Summary

Modifier and Type

Method

Description

String

getExtension()

获取扩展名

static FileMagicNumber

getMagicNumber(byte[] bytes)

根据给定的bytes，获取对应识别到的FileMagicNumber

String

getMimeType()

获取媒体类型

abstract boolean

match(byte[] bytes)

是否匹配bytes

static FileMagicNumber

valueOf(String name)

Returns the enum constant of this class with the specified name.

static FileMagicNumber[]

values()

Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details
- UNKNOWN
  
  public static final FileMagicNumber UNKNOWN
  
  未知类型
- JPEG
  
  public static final FileMagicNumber JPEG
  jpeg
  prefix：FFD8FF
- JXR
  
  public static final FileMagicNumber JXR
  jxr
  prefix：4949BC
- APNG
  
  public static final FileMagicNumber APNG
  apng
  prefix 8位：89504E47 0D0A1A0A
- PNG
  
  public static final FileMagicNumber PNG
  png
  prefix: 89504E47
- GIF
  
  public static final FileMagicNumber GIF
  gif
  prefix: 474946
- BMP
  
  public static final FileMagicNumber BMP
  bmp
  prefix: 424D
- TIFF
  
  public static final FileMagicNumber TIFF
  tiff
  prefix: 49492A00 or 4D4D002A
- DWG
  
  public static final FileMagicNumber DWG
  dwg
  prefix: 41433130
- WEBP
  
  public static final FileMagicNumber WEBP
  webp
  [8:11]: 57454250
- PSD
  
  public static final FileMagicNumber PSD
  psd
  prefix: 38425053
- ICO
  
  public static final FileMagicNumber ICO
  icon
  prefix: 00000100
- XCF
  
  public static final FileMagicNumber XCF
  xcf
  prefix: 67696D70 20786366 2076
- WAV
  
  public static final FileMagicNumber WAV
  wav
  prefix: 52494646 [8:11]: 57415645
- MIDI
  
  public static final FileMagicNumber MIDI
  midi
  prefix: 4D546864
- MP3
  
  public static final FileMagicNumber MP3
  mpeg-mp3
  prefix: 494433 or FFFB or FFF3 or FFF2
- OGG
  
  public static final FileMagicNumber OGG
  ogg
  prefix: 4F676753
- FLAC
  
  public static final FileMagicNumber FLAC
  flac
  prefix: 664C6143
- M4A
  
  public static final FileMagicNumber M4A
  
  mp4
- AAC
  
  public static final FileMagicNumber AAC
  
  aac
- AMR
  
  public static final FileMagicNumber AMR
  
  amr
- AC3
  
  public static final FileMagicNumber AC3
  
  ac3
- AIFF
  
  public static final FileMagicNumber AIFF
  
  aiff
- WOFF
  
  public static final FileMagicNumber WOFF
  
  woff The existing registration "application/font-woff" is deprecated in favor of "font/woff".
- WOFF2
  
  public static final FileMagicNumber WOFF2
  
  woff2
- TTF
  
  public static final FileMagicNumber TTF
  
  ttf
- OTF
  
  public static final FileMagicNumber OTF
  
  otf
- EPUB
  
  public static final FileMagicNumber EPUB
  
  epub
- ZIP
  
  public static final FileMagicNumber ZIP
  
  zip
- TAR
  
  public static final FileMagicNumber TAR
  
  tar
- RAR
  
  public static final FileMagicNumber RAR
  
  rar
- GZ
  
  public static final FileMagicNumber GZ
  
  gz
- BZ2
  
  public static final FileMagicNumber BZ2
  
  bz2
- SevenZ
  
  public static final FileMagicNumber SevenZ
  
  7z
- PDF
  
  public static final FileMagicNumber PDF
  
  pdf
- EXE
  
  public static final FileMagicNumber EXE
  
  exe
- SWF
  
  public static final FileMagicNumber SWF
  
  swf
- RTF
  
  public static final FileMagicNumber RTF
  
  rtf
- NES
  
  public static final FileMagicNumber NES
  
  nes
- CRX
  
  public static final FileMagicNumber CRX
  
  crx
- CAB
  
  public static final FileMagicNumber CAB
  
  cab
- PS
  
  public static final FileMagicNumber PS
  
  ps
- XZ
  
  public static final FileMagicNumber XZ
  
  xz
- SQLITE
  
  public static final FileMagicNumber SQLITE
  
  sqlite
- DEB
  
  public static final FileMagicNumber DEB
  
  deb
- AR
  
  public static final FileMagicNumber AR
  
  ar
- LZOP
  
  public static final FileMagicNumber LZOP
  
  lzo
- LZ
  
  public static final FileMagicNumber LZ
  
  lz
- ELF
  
  public static final FileMagicNumber ELF
  
  elf
- LZ4
  
  public static final FileMagicNumber LZ4
  
  lz4
- BR
  
  public static final FileMagicNumber BR
  
  br https://github.com/madler/brotli/blob/master/br-format-v3.txt,brotli 没有固定的file magic number,所以此处只是参考
- DCM
  
  public static final FileMagicNumber DCM
  
  dcm
- RPM
  
  public static final FileMagicNumber RPM
  
  rpm
- ZSTD
  
  public static final FileMagicNumber ZSTD
  
  zst
- MP4
  
  public static final FileMagicNumber MP4
  
  mp4
- AVI
  
  public static final FileMagicNumber AVI
  
  avi
- WMV
  
  public static final FileMagicNumber WMV
  
  wmv
- M4V
  
  public static final FileMagicNumber M4V
  
  m4v
- FLV
  
  public static final FileMagicNumber FLV
  
  flv
- MKV
  
  public static final FileMagicNumber MKV
  
  mkv
- WEBM
  
  public static final FileMagicNumber WEBM
  
  webm
- MOV
  
  public static final FileMagicNumber MOV
  
  mov 此文件签名非常复杂，只判断常见的几种
- MPEG
  
  public static final FileMagicNumber MPEG
  
  mpg
- RMVB
  
  public static final FileMagicNumber RMVB
  
  rmvb
- M3GP
  
  public static final FileMagicNumber M3GP
  
  3gp
- DOC
  
  public static final FileMagicNumber DOC
  
  doc
- XLS
  
  public static final FileMagicNumber XLS
  
  xls
- PPT
  
  public static final FileMagicNumber PPT
  
  ppt
- DOCX
  
  public static final FileMagicNumber DOCX
  
  docx
- PPTX
  
  public static final FileMagicNumber PPTX
  
  pptx
- XLSX
  
  public static final FileMagicNumber XLSX
  
  xlsx
- WASM
  
  public static final FileMagicNumber WASM
  
  wasm
- DEX
  
  public static final FileMagicNumber DEX
  
  dex https://source.android.com/devices/tech/dalvik/dex-format#dex-file-magic
- DEY
  
  public static final FileMagicNumber DEY
  
  dey
- EML
  
  public static final FileMagicNumber EML
  
  eml
- MDB
  
  public static final FileMagicNumber MDB
  
  mdb
- CHM
  
  public static final FileMagicNumber CHM
  
  CHM 49 54 53 46
- CLASS
  
  public static final FileMagicNumber CLASS
  
  class CA FE BA BE
- TORRENT
  
  public static final FileMagicNumber TORRENT
  
  torrent 64 38 3A 61 6E 6E 6F 75 6E 63 65
- WPD
  
  public static final FileMagicNumber WPD
  
  wpd
- DBX
  
  public static final FileMagicNumber DBX
  
  dbx
- PST
  
  public static final FileMagicNumber PST
  
  pst
- RAM
  
  public static final FileMagicNumber RAM
  
  ram
Method Details
- values
  
  public static FileMagicNumber[] values()
  
  Returns an array containing the constants of this enum class, in the order they are declared.
  
  Returns:
  
  an array containing the constants of this enum class, in the order they are declared
- valueOf
  
  public static FileMagicNumber valueOf(String name)
  
  Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)
  
  Parameters:
  
  name - the name of the enum constant to be returned.
  
  Returns:
  
  the enum constant with the specified name
  
  Throws:
  
  IllegalArgumentException - if this enum class has no constant with the specified name
  
  NullPointerException - if the argument is null
- getMagicNumber
  
  public static FileMagicNumber getMagicNumber(byte[] bytes)
  
  根据给定的bytes，获取对应识别到的FileMagicNumber
  
  Parameters:
  
  bytes - bytes魔数
  
  Returns:
  
  FileMagicNumber
- getMimeType
  
  public String getMimeType()
  
  获取媒体类型
  
  Returns:
  
  媒体类型
- getExtension
  
  public String getExtension()
  
  获取扩展名
  
  Returns:
  
  扩展名
- match
  
  public abstract boolean match(byte[] bytes)
  
  是否匹配bytes
  
  Parameters:
  
  bytes - bytes
  
  Returns:
  
  是否匹配

Enum Class FileMagicNumber

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Enum

Methods inherited from class java.lang.Object

Enum Constant Details

UNKNOWN

JPEG

JXR

APNG

PNG

GIF

BMP

TIFF

DWG

WEBP

PSD

ICO

XCF

WAV

MIDI

MP3

OGG

FLAC

M4A

AAC

AMR

AC3

AIFF

WOFF

WOFF2

TTF

OTF

EPUB

ZIP

TAR

RAR

GZ

BZ2

SevenZ

PDF

EXE

SWF

RTF

NES

CRX

CAB

PS

XZ

SQLITE

DEB

AR

LZOP

LZ

ELF

LZ4

BR

DCM

RPM

ZSTD

MP4

AVI

WMV

M4V

FLV

MKV

WEBM

MOV

MPEG

RMVB

M3GP

DOC

XLS

PPT

DOCX

PPTX

XLSX

WASM