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StreamResource

<p>
	The {@link oaj.http.StreamResource} class is the binary equivalent to the {@link oaj.http.ReaderResource} object.
	In essence, it's a container for binary data with optional response headers.
</p>
<p>
	The class is annotated with {@link oaj.http.annotation.Response @Response}
	which allows it to be returned as responses by REST methods.
</p>
<h5 class='figure'>Example:</h5>
<p class='bpcode w800'>
	<ja>@RestMethod</ja>(...)
	<jk>public</jk> Object showPicture(RestRequest req) {
	
		<jc>// Return a stream resource loaded from a file.</jc>
		<jk>return</jk> StreamResource.<jsm>create</jsm>()
			.contents(<jk>new</jk> File(<js>"mypicture.png"</js>))
			.header(<js>"Cache-Control"</js>, <js>"no-cache"</js>)
			.mediaType(<jsf>IMAGE_PNG</jsf>)
			.build();
	}
</p>