ch.randelshofer.activation

Class MagicRecognizer

java.lang.Object

ch.randelshofer.activation.MagicRecognizer

All Implemented Interfaces:

Recognizer

public class MagicRecognizer
extends java.lang.Object
implements Recognizer

MagicRecognizer.

Version:

1.0 2011-08-18 Created.

Author:

Werner Randelshofer

Field Summary

Fields inherited from interface ch.randelshofer.activation.Recognizer

CONTENT_TYPE_OCTET_STREAM, CONTENT_TYPE_UNKNOWN

Constructor Summary

Constructors

Constructor and Description
MagicRecognizer()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getContentType(byte[] b) Return the base MIME Type of this data.
static MagicRecognizer	getInstance()
int	getMinimalDeterminableDataLength() Return the number of bytes needed to determine the content type.

Methods inherited from class java.lang.Object

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

Constructor Detail

MagicRecognizer

public MagicRecognizer()

Method Detail

getInstance

public static MagicRecognizer getInstance()

getMinimalDeterminableDataLength

public int getMinimalDeterminableDataLength()

Description copied from interface: Recognizer

Return the number of bytes needed to determine the content type.

Specified by:

getMinimalDeterminableDataLength in interface Recognizer

getContentType

public java.lang.String getContentType(byte[] b)

Description copied from interface: Recognizer

Return the base MIME Type of this data. This method is expected to ALWAYS return a valid (non-null) MIME Type.

Specified by:

getContentType in interface Recognizer

Parameters:

b - the first few bytes of the data file.

Returns:

MIME Type or "application/octet-stream" when file type can not be determined.