MimeTypeMap
public
class
MimeTypeMap
extends Object
java.lang.Object | |
↳ | android.webkit.MimeTypeMap |
Two-way map that maps MIME-types to file extensions and vice versa.
See also URLConnection.guessContentTypeFromName(String)
and URLConnection.guessContentTypeFromStream(InputStream)
. This
class and URLConnection
share the same MIME-type database.
Summary
Public methods | |
---|---|
String
|
getExtensionFromMimeType(String mimeType)
Return the registered extension for the given MIME type. |
static
String
|
getFileExtensionFromUrl(String url)
Returns the file extension or an empty string if there is no extension. |
String
|
getMimeTypeFromExtension(String extension)
Return the MIME type for the given extension. |
static
MimeTypeMap
|
getSingleton()
Get the singleton instance of MimeTypeMap. |
boolean
|
hasExtension(String extension)
Return |
boolean
|
hasMimeType(String mimeType)
Return |
Inherited methods | |
---|---|
Public methods
getExtensionFromMimeType
public String getExtensionFromMimeType (String mimeType)
Return the registered extension for the given MIME type. Note that some MIME types map to multiple extensions. This call will return the most common extension for the given MIME type.
Parameters | |
---|---|
mimeType |
String : A MIME type (i.e. text/plain) |
Returns | |
---|---|
String |
The extension for the given MIME type or null if there is none. |
getFileExtensionFromUrl
public static String getFileExtensionFromUrl (String url)
Returns the file extension or an empty string if there is no extension. This method is a convenience method for obtaining the extension of a url and has undefined results for other Strings.
Returns | |
---|---|
String |
The file extension of the given url. |
getMimeTypeFromExtension
public String getMimeTypeFromExtension (String extension)
Return the MIME type for the given extension.
Parameters | |
---|---|
extension |
String : A file extension without the leading '.' |
Returns | |
---|---|
String |
The MIME type for the given extension or null if there is none. |
getSingleton
public static MimeTypeMap getSingleton ()
Get the singleton instance of MimeTypeMap.
Returns | |
---|---|
MimeTypeMap |
The singleton instance of the MIME-type map. |
hasExtension
public boolean hasExtension (String extension)
Return true
if the given extension has a registered MIME type.
Parameters | |
---|---|
extension |
String : A file extension without the leading '.' |
Returns | |
---|---|
boolean |
true if there is an extension entry in the map. |
hasMimeType
public boolean hasMimeType (String mimeType)
Return true
if the given MIME type has an entry in the map.
Parameters | |
---|---|
mimeType |
String : A MIME type (i.e. text/plain) |
Returns | |
---|---|
boolean |
true if there is a mimeType entry in the map. |