画像を返すDropwizardリソース

SampleResource.java

package my.sample.resources;

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Response;

@Path("/")
public class SampleResource {

	
	@GET
	@Path("/image")
	public Response getTopPage() {
		try {
			BufferedImage image = ImageIO.read(new File("/Users/yusuke/Pictures/yaruo.jpeg"));
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			ImageIO.write(image, "jpeg", baos);
			byte[] imageData = baos.toByteArray();
			return Response.ok(imageData, "image/jpeg").build();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return Response.serverError().build();
	}
	
}