org.mmbase.util.magicfile
Class MagicFile

java.lang.Object
  org.mmbase.util.magicfile.MagicFile

public class MagicFile

extends Object

Tries to determine the mime-type of a byte array (or a file).

Version:

$Id: MagicFile.java,v 1.1 2005/10/25 12:12:29 pierre Exp $

Author:

cjr@dds.nl, Michiel Meeuwissen

Field Summary

protected static int	BUFSIZE
protected DetectorProvider	detectors
static String	FAILED

Method Summary

String	extensionToMimeType(String extension)
List	getDetectors() Returns a list of detectors used by this MagicFile instance
static MagicFile	getInstance() Return the current instance of MagicFile.
String	getMimeType(byte[] input) Tests the byte[] array for the mime type.
String	getMimeType(byte[] data, String extension)
protected String	getMimeType(File file)
static void	main(String[] argv) e.g.: java -Dmmbase.config=/home/mmbase/mmbase-app/WEB-INF/config org.mmbase.util.MagicFile test.doc
String	mimeTypeToExtension(String mimeType) Given a mime-type string, this function tries to create a common extension for it.
protected String	test(String path)

Methods inherited from class java.lang.Object

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

Field Detail

FAILED

public static final String FAILED

See Also:

Constant Field Values

BUFSIZE

protected static int BUFSIZE

detectors

protected DetectorProvider detectors

Method Detail

getInstance

public static MagicFile getInstance()

Return the current instance of MagicFile. If no instance exists, one is created.

getDetectors

public List getDetectors()

Returns a list of detectors used by this MagicFile instance

test

protected String test(String path)

getMimeType

protected String getMimeType(File file)
                      throws IOException

Parameters:

file - Location of file to be checked

Returns:

Type of the file as determined by the magic file

Throws:

IOException

getMimeType

public String getMimeType(byte[] input)

Tests the byte[] array for the mime type.

Returns:

The found mime-type or FAILED

extensionToMimeType

public String extensionToMimeType(String extension)

Warning: No Java Documentation Available.

mimeTypeToExtension

public String mimeTypeToExtension(String mimeType)

Given a mime-type string, this function tries to create a common extension for it.

Returns:

An extension (without the dot), or an empty string if the mime-type is unknown.

Since:

MMBase-1.7.1

getMimeType

public String getMimeType(byte[] data,
                          String extension)

Warning: No Java Documentation Available.

main

public static void main(String[] argv)

e.g.: java -Dmmbase.config=/home/mmbase/mmbase-app/WEB-INF/config org.mmbase.util.MagicFile test.doc

Warning: No Java Documentation Available.