Package codes.thischwa.jii

Enum ImageType

java.lang.Object

java.lang.Enum<ImageType>

codes.thischwa.jii.ImageType

All Implemented Interfaces:

Serializable, Comparable<ImageType>

public enum ImageType
extends Enum<ImageType>

Hold informations about the different image types. Several static helper methods are provided to detect the correct image type.

Enum Constant Summary

Enum Constants

Enum Constant	Description
BMP
GIF
JPG
PNG

Method Summary

Modifier and Type	Method	Description
static ImageType	getByExtension(String ext)	Retrieve an ImageType of the desired file extension.
static ImageType	getByMimeType(String mimeType)	Retrieve an ImageType of the desired mime type.
String[]	getExtensions()	Return the common file extensions for this type.
String	getMimeType()	Return the mime type for this type.
static ImageType	valueOf(String name)	Returns the enum constant of this type with the specified name.
static ImageType[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

GIF

public static final ImageType GIF

PNG

public static final ImageType PNG

JPG

public static final ImageType JPG

BMP

public static final ImageType BMP

Method Detail

values

public static ImageType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ImageType c : ImageType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ImageType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

getExtensions

public String[] getExtensions()

Return the common file extensions for this type.

Returns:

Array of lower cased file extensions.

getMimeType

public String getMimeType()

Return the mime type for this type.

Returns:

The mime type.

getByExtension

public static ImageType getByExtension(String ext)
                                throws IllegalArgumentException

Retrieve an ImageType of the desired file extension.

Parameters:

ext - A file extension.

Returns:

The corresponding ImageType or null if none.

Throws:

IllegalArgumentException - If the extension is null, empty or no ImageType couldn't find.

getByMimeType

public static ImageType getByMimeType(String mimeType)
                               throws IllegalArgumentException

Retrieve an ImageType of the desired mime type.

Parameters:

mimeType - A mime type.

Returns:

The corresponding ImageType or null if none.

Throws:

IllegalArgumentException - If the mime type is null, empty or no ImageType couldn't find.