org.mmbase.util
Class MagicFile

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

public class MagicFile

extends java.lang.Object

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

Version:

$Id: MagicFile.java,v 1.12.2.1 2004/05/26 09:02:25 michiel Exp $

Author:

cjr@dds.nl, Michiel Meeuwissen

Field Summary

protected static int	BUFSIZE
protected DetectorProvider	detectors
static java.lang.String	FAILED

Method Summary

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

See Also:

Constant Field Values

BUFSIZE

protected static int BUFSIZE

detectors

protected DetectorProvider detectors

Method Detail

getInstance

public static MagicFile getInstance()

getDetectors

public java.util.List getDetectors()

Returns a list of detectors used by this MagicFile instance

test

protected java.lang.String test(java.lang.String path)

getMimeType

protected java.lang.String getMimeType(java.io.File file)
                                throws java.io.IOException

Returns:

Type of the file as determined by the magic file

Throws:

java.io.IOException

getMimeType

public java.lang.String getMimeType(byte[] input)

Tests the byte[] array for the mime type.

Returns:

The found mime-type or FAILED

extensionToMimeType

public java.lang.String extensionToMimeType(java.lang.String extension)

mimeTypeToExtension

public java.lang.String mimeTypeToExtension(java.lang.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 java.lang.String getMimeType(byte[] data,
                                    java.lang.String extension)

main

public static void main(java.lang.String[] argv)

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