Java REST Service: Return PNG Image to Browser with Jersey

When building a Java REST service with Jersey, it's often necessary to return images to the browser. In the case of PNG images, this can be accomplished using the following code:

@GET
@Path("/image")
@Produces("image/png")
public Response getImage() {
    InputStream is = this.getClass().getResourceAsStream("/path/to/image.png");
    return Response.ok(is).build();
}

Here, we define a GET method with a path of "/image" and a media type of "image/png". We then create an InputStream to read the PNG image file and return it in the Response object using the "ok" method.

It's important to note that the image file must be located in the correct location on the server, as defined by the getResourceAsStream method. Additionally, the media type must be set correctly to ensure that the browser can correctly interpret the image data.

By using this code, we can easily return PNG images from a Java REST service built with Jersey.

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