org.jaudiotagger.tag.id3.valuepair
Class ImageFormats

java.lang.Object
  org.jaudiotagger.tag.id3.valuepair.ImageFormats

public class ImageFormats
extends java.lang.Object

Represents the image formats support by ID3, provides a mapping between the format field supported in ID3v22 and the mimetype field supported by ID3v23/ID3v24.

Field Summary

private static java.util.Map<java.lang.String,java.lang.String>	imageFormatsToMimeType
private static java.util.Map<java.lang.String,java.lang.String>	imageMimeTypeToFormat
static java.lang.String	MIME_TYPE_BMP
static java.lang.String	MIME_TYPE_GIF
static java.lang.String	MIME_TYPE_JPEG
static java.lang.String	MIME_TYPE_JPG Sometimes this is used for jpg instead :or have I made this up
static java.lang.String	MIME_TYPE_PNG
static java.lang.String	V22_BMP_FORMAT
static java.lang.String	V22_GIF_FORMAT
static java.lang.String	V22_JPG_FORMAT
static java.lang.String	V22_PNG_FORMAT

Constructor Summary

ImageFormats()

Method Summary

static boolean	binaryDataIsBmpFormat(byte[] data)
static boolean	binaryDataIsGifFormat(byte[] data)
static boolean	binaryDataIsJpgFormat(byte[] data)
static boolean	binaryDataIsPngFormat(byte[] data)
static java.lang.String	getFormatForMimeType(java.lang.String mimeType) Get v2.2 format from v2.3 mimetype
static java.lang.String	getMimeTypeForBinarySignature(byte[] data)
static java.lang.String	getMimeTypeForFormat(java.lang.String format) Get v2.3 mimetype from v2.2 format

Methods inherited from class java.lang.Object

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

Field Detail

V22_JPG_FORMAT

public static final java.lang.String V22_JPG_FORMAT

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Constant Field Values

V22_PNG_FORMAT

public static final java.lang.String V22_PNG_FORMAT

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Constant Field Values

V22_GIF_FORMAT

public static final java.lang.String V22_GIF_FORMAT

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Constant Field Values

V22_BMP_FORMAT

public static final java.lang.String V22_BMP_FORMAT

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Constant Field Values

MIME_TYPE_JPEG

public static final java.lang.String MIME_TYPE_JPEG

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Constant Field Values

MIME_TYPE_PNG

public static final java.lang.String MIME_TYPE_PNG

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Constant Field Values

MIME_TYPE_GIF

public static final java.lang.String MIME_TYPE_GIF

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Constant Field Values

MIME_TYPE_BMP

public static final java.lang.String MIME_TYPE_BMP

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Constant Field Values

MIME_TYPE_JPG

public static final java.lang.String MIME_TYPE_JPG

Sometimes this is used for jpg instead :or have I made this up

See Also:

Constant Field Values

imageFormatsToMimeType

private static java.util.Map<java.lang.String,java.lang.String> imageFormatsToMimeType

imageMimeTypeToFormat

private static java.util.Map<java.lang.String,java.lang.String> imageMimeTypeToFormat

Constructor Detail

ImageFormats

public ImageFormats()

Method Detail

getMimeTypeForFormat

public static java.lang.String getMimeTypeForFormat(java.lang.String format)

Get v2.3 mimetype from v2.2 format

Parameters:

format -

Returns:

getFormatForMimeType

public static java.lang.String getFormatForMimeType(java.lang.String mimeType)

Get v2.2 format from v2.3 mimetype

Parameters:

mimeType -

Returns:

binaryDataIsPngFormat

public static boolean binaryDataIsPngFormat(byte[] data)

Parameters:

data -

Returns:

true if binary data matches expected header for a png

binaryDataIsJpgFormat

public static boolean binaryDataIsJpgFormat(byte[] data)

Parameters:

data -

Returns:

true if binary data matches expected header for a jpg Some details http://www.obrador.com/essentialjpeg/headerinfo.htm

binaryDataIsGifFormat

public static boolean binaryDataIsGifFormat(byte[] data)

Parameters:

data -

Returns:

true if binary data matches expected header for a gif

binaryDataIsBmpFormat

public static boolean binaryDataIsBmpFormat(byte[] data)

Parameters:

data -

Returns:

true if binary data matches expected header for a bmp

getMimeTypeForBinarySignature

public static java.lang.String getMimeTypeForBinarySignature(byte[] data)

Parameters:

data -

Returns:

correct mimetype for the image data represented by this byte data