Package com.storedobject.common

Interface ImageGenerator

All Superinterfaces:

ContentGenerator

All Known Implementing Classes:

GeneratedImage

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ImageGenerator
extends ContentGenerator

Anything that generates some sort of image "content".

Author:

Syam

Field Summary

Fields inherited from interface com.storedobject.common.ContentGenerator

ext

Method Summary

Modifier and Type	Method	Description
void	generateContent(OutputStream out)	Generate the content and write to an output stream.
default String	getContentType()	Mime type of the content.
default String	getFileExtension()	File extension normally used for this type of content.

Method Details

generateContent

void generateContent(OutputStream out)
              throws Exception

Generate the content and write to an output stream.

Parameters:

out - Output stream where the generated image will be written to.

Throws:

Exception - if content can not be generated.

getContentType

default String getContentType()

Mime type of the content.

Specified by:

getContentType in interface ContentGenerator

Returns:

Default implementation returns "image/png".

getFileExtension

default String getFileExtension()

File extension normally used for this type of content.

Specified by:

getFileExtension in interface ContentGenerator

Returns:

Default implementation returns "png".