IT. Expert System.

public class MimeTypeMap
extends Object

• Method Summary

  Methods

  Modifier and Type	Method and Description
  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 iff 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 true if the given extension has a registered MIME type.
  boolean	hasMimeType(String mimeType) Return true if the given MIME type has an entry in the map.

  • Methods inherited from class java.lang.Object

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

• Method Detail

  • getFileExtensionFromUrl

    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.

    Parameters:

    url -

    Returns:

    The file extension of the given url.

  • hasMimeType

    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.

  • getMimeTypeFromExtension

    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.

  • hasExtension

    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.

  • 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 - A MIME type (i.e. text/plain)

    Returns:

    The extension for the given MIME type or null iff there is none.

  • getSingleton

    public static MimeTypeMap getSingleton()

    Get the singleton instance of MimeTypeMap.

    Returns:

    The singleton instance of the MIME-type map.