Package com.twelvemonkeys.net
Class MIMEUtil
- java.lang.Object
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- com.twelvemonkeys.net.MIMEUtil
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public final class MIMEUtil extends java.lang.Object
Contains mappings from file extension to mime-types and from mime-type to file-types.- Version:
- $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/main/java/com/twelvemonkeys/net/MIMEUtil.java#5 $
- See Also:
- MIME Media Types
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Field Summary
Fields Modifier and Type Field Description private static java.util.Map<java.lang.String,java.util.List<java.lang.String>>
sExtToMIME
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>>
sMIMEToExt
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>>
sUnmodifiableExtToMIME
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>>
sUnmodifiableMIMEToExt
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Constructor Summary
Constructors Modifier Constructor Description private
MIMEUtil()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.String
bareMIME(java.lang.String pMIME)
Removes any charset or extra info from the mime-type string (anything after a semicolon,;
, inclusive).static java.lang.String
getExtension(java.lang.String pMIME)
Returns the default file extension for the given MIME type.private static java.util.List<java.lang.String>
getExtensionForWildcard(java.lang.String pMIME)
static java.util.Map<java.lang.String,java.util.List<java.lang.String>>
getExtensionMappings()
Returns an unmodifiabaleMap
view of the MIME to extension mapping, to use as the default mapping in client applications.static java.util.List<java.lang.String>
getExtensions(java.lang.String pMIME)
Returns all file extension for the given MIME type.static java.lang.String
getMIMEType(java.lang.String pFileExt)
Returns the default MIME type for the given file extension.static java.util.Map<java.lang.String,java.util.List<java.lang.String>>
getMIMETypeMappings()
Returns an unmodifiabaleMap
view of the extension to MIME mapping, to use as the default mapping in client applications.static java.util.List<java.lang.String>
getMIMETypes(java.lang.String pFileExt)
Returns all MIME types for the given file extension.(package private) static boolean
includes(java.lang.String pTypeFamily, java.lang.String pType)
Tests wehter the type is a subtype of the type family.static void
main(java.lang.String[] pArgs)
For debugging.private static java.util.List<java.lang.String>
maskNull(java.util.List<java.lang.String> pTypes)
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Field Detail
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sExtToMIME
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>> sExtToMIME
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sUnmodifiableExtToMIME
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>> sUnmodifiableExtToMIME
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sMIMEToExt
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>> sMIMEToExt
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sUnmodifiableMIMEToExt
private static java.util.Map<java.lang.String,java.util.List<java.lang.String>> sUnmodifiableMIMEToExt
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Method Detail
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getMIMEType
public static java.lang.String getMIMEType(java.lang.String pFileExt)
Returns the default MIME type for the given file extension.- Parameters:
pFileExt
- the file extension- Returns:
- a
String
containing the MIME type, ornull
if there are no known MIME types for the given file extension.
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getMIMETypes
public static java.util.List<java.lang.String> getMIMETypes(java.lang.String pFileExt)
Returns all MIME types for the given file extension.- Parameters:
pFileExt
- the file extension- Returns:
- a
List
ofString
s containing the MIME types, or an empty list, if there are no known MIME types for the given file extension.
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getMIMETypeMappings
public static java.util.Map<java.lang.String,java.util.List<java.lang.String>> getMIMETypeMappings()
Returns an unmodifiabaleMap
view of the extension to MIME mapping, to use as the default mapping in client applications.- Returns:
- an unmodifiabale
Map
view of the extension to MIME mapping.
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getExtension
public static java.lang.String getExtension(java.lang.String pMIME)
Returns the default file extension for the given MIME type. Specifying a wildcard type will returnnull
.- Parameters:
pMIME
- the MIME type- Returns:
- a
String
containing the file extension, ornull
if there are no known file extensions for the given MIME type.
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getExtensions
public static java.util.List<java.lang.String> getExtensions(java.lang.String pMIME)
Returns all file extension for the given MIME type. The default extension will be the first in the list. Note that no specific order is given for wildcard types (image/*, */* etc).- Parameters:
pMIME
- the MIME type- Returns:
- a
List
ofString
s containing the MIME types, or an empty list, if there are no known file extensions for the given MIME type.
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getExtensionForWildcard
private static java.util.List<java.lang.String> getExtensionForWildcard(java.lang.String pMIME)
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getExtensionMappings
public static java.util.Map<java.lang.String,java.util.List<java.lang.String>> getExtensionMappings()
Returns an unmodifiabaleMap
view of the MIME to extension mapping, to use as the default mapping in client applications.- Returns:
- an unmodifiabale
Map
view of the MIME to extension mapping.
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includes
static boolean includes(java.lang.String pTypeFamily, java.lang.String pType)
Tests wehter the type is a subtype of the type family.- Parameters:
pTypeFamily
- the MIME type family (image/*, */*
, etc)pType
- the MIME type- Returns:
true
ifpType
is a subtype ofpTypeFamily
, otherwisefalse
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bareMIME
public static java.lang.String bareMIME(java.lang.String pMIME)
Removes any charset or extra info from the mime-type string (anything after a semicolon,;
, inclusive).- Parameters:
pMIME
- the mime-type string- Returns:
- the bare mime-type
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maskNull
private static java.util.List<java.lang.String> maskNull(java.util.List<java.lang.String> pTypes)
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main
public static void main(java.lang.String[] pArgs)
For debugging. Prints all known MIME types and file extensions.- Parameters:
pArgs
- command line arguments
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