Class Overview
Two-way map that maps MIME-types to file extensions and vice versa.
Summary
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Inherited Methods |
From class java.lang.Object
Object
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clone()
Creates and returns a copy of this Object .
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boolean
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equals(Object o)
Compares this instance with the specified object and indicates if they
are equal.
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void
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finalize()
Called before the object's memory is reclaimed by the VM.
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final
Class<? extends Object>
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getClass()
Returns the unique instance of Class that represents this
object's class.
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int
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hashCode()
Returns an integer hash code for this object.
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final
void
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notify()
Causes a thread which is waiting on this object's monitor (by means of
calling one of the wait() methods) to be woken up.
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final
void
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notifyAll()
Causes all threads which are waiting on this object's monitor (by means
of calling one of the wait() methods) to be woken up.
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String
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toString()
Returns a string containing a concise, human-readable description of this
object.
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final
void
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wait()
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.
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final
void
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wait(long millis, int nanos)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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final
void
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wait(long millis)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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Public Methods
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
| A MIME type (i.e. text/plain) |
Returns
- The extension for the given MIME type or null iff there is none.
public
static
String
getFileExtensionFromUrl
(String url)
Returns the file extension or an empty string iff 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
- The file extension of the given url.
public
String
getMimeTypeFromExtension
(String extension)
Return the MIME type for the given extension.
Parameters
extension
| A file extension without the leading '.' |
Returns
- The MIME type for the given extension or null iff there is none.
public
static
MimeTypeMap
getSingleton
()
Get the singleton instance of MimeTypeMap.
Returns
- The singleton instance of the MIME-type map.
public
boolean
hasExtension
(String extension)
Return true if the given extension has a registered MIME type.
Parameters
extension
| A file extension without the leading '.' |
Returns
- True iff there is an extension entry in the map.
public
boolean
hasMimeType
(String mimeType)
Return true if the given MIME type has an entry in the map.
Parameters
mimeType
| A MIME type (i.e. text/plain) |
Returns
- True iff there is a mimeType entry in the map.