Dear All,
I am trying to implement a web service whose mime type is dynamically
determined. Suppose that it is an image; if I set the entity to the image's
InputStream bytes like so:
@Path(...)
public class MyServiceImpl
{
@Path("/{id}/storage")
public Response getImageById(@PathParam("id") Long id)
{
// Retrieve bytes of the image with the specified ID here
...
bytes[] bytes = myImageInputStreamBytes();
try
{
final ResponseBuilder builder = Response.ok();
builder.entity(bytes);
builder.type(WsUtilService.newMediaType(mimeType));
final Response response = builder.build();
// Attach storage code as custom response header
response.getMetadata().add(HttpHeader.RESOURCE_STORAGE_CODE.getName(),
storageCode.toString());
// builder.entity() doesn't work properly. What if we comment that line and
use instead:
//httpResponse.getOutputStream().write(contentFactory.getResourceContent(resource));
// Well, I can't get the httpResponse to be spring-injected into my REST
service in the first place so the above line doesn't work
return response;
}
catch (IOException e)
{
throw new WsException(ErrorCodes.INTERNAL_ERROR,
e.getMessage());
}
... then I get a weird response when hitting the WS in Firefox. Instead of
the actual image, I see the URL and can't find the image file in Firebug,
even though it says it's there (of size 144kb in this case). However, I
*can* read back the response in a JUnit test case using HttpClient and
converting response.getResponseBody() back to an image in my Java code.
- What is the proper way to stream back an image in CXF 2.2 JAX-RS?
- My next use case retrieves a database resource that can be an image, xml,
etc. Should I set the builder's type() as above with the appropriate
MIME-TYPE? How do I stream an XML document without CXF generating an
<xsd:string> tag around it? (so far I've been trying to set the builder's
entity() to be the XML document as a string)
Thank you so much in advance,
Oren
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