On Oct 1, 2009, at 2:27 PM, Jan Algermissen wrote:
> Paul,
>
> I created another method (note the media type!!)
>
> @GET @Produces("text/plainx")
> public Response getResource() {
> StreamingOutput o = new StreamingOutput() {
> public void write(OutputStream outputStream) {
> PrintWriter out = new PrintWriter(outputStream);
> out.println("AAAAA");
> out.close();
>
> } };
> return Response.ok(o).build();
> }
>
>
> This works. If I use text/plain the resource class name is returned
> as output.
>
That is really odd. There is no functionality in Jersey that does that.
> Hmmm - that leaves me clueless I guess :-)
>
>
> Any idea?
>
Can you send me a zip of the maven project and i can experiment?
Paul.
> Jan
>
> P.S. here is the complete class:
>
> package foo.resources;
> import java.io.OutputStream;
> import java.io.PrintWriter;
> import javax.ws.rs.*;
> import javax.ws.rs.core.*;
>
> @Path("/worksets/{worksetId}/{timestamp}/readwrite")
> public class WorkSetRetrieve {
>
> @GET @Produces("text/plainx")
> public Response getResource() {
> StreamingOutput o = new StreamingOutput() {
> public void write(OutputStream outputStream) {
> PrintWriter out = new PrintWriter(outputStream);
> out.println("AAAAA");
> out.close();
>
> } };
> return Response.ok(o).build();
> }
> }
>
>
>
>
>
>
>
>
>
> On Oct 1, 2009, at 12:44 PM, Paul Sandoz wrote:
>
>>
>> On Oct 1, 2009, at 12:35 PM, Jan Algermissen wrote:
>>>
>>>
>>>>
>>>> If you are not using a message body writer you can set the media
>>>> type in a returned Response instance e.g. if you are using an
>>>> instance of StreamingOutput for the entity.
>>>>
>>>> Paul.
>>>>
>>>> // Determine the boundary string to be used, creating one if
>>>> needed
>>>> MediaType entityMediaType = (MediaType)
>>>> headers.getFirst("Content-Type");
>>>> if (entityMediaType == null) {
>>>> Map<String, String> parameters = new HashMap<String,
>>>> String>();
>>>> parameters.put("boundary", createBoundary());
>>>> entityMediaType = new MediaType("multipart", "mixed",
>>>> parameters);
>>>> headers.putSingle("Content-Type", entityMediaType);
>>>> }
>>>> String boundaryString =
>>>> entityMediaType.getParameters().get("boundary");
>>>> if (boundaryString == null) {
>>>> boundaryString = createBoundary();
>>>> Map<String, String> parameters = new HashMap<String,
>>>> String>();
>>>> parameters.putAll(entityMediaType.getParameters());
>>>> parameters.put("boundary", boundaryString);
>>>> entityMediaType = new MediaType(entityMediaType.getType(),
>>>> entityMediaType.getSubtype(),
>>>> parameters);
>>>> headers.putSingle("Content-Type", entityMediaType);
>>>> }
>>>>
>>>
>>> I think I will use a MessageBodyWriter but anyway, if I don't -
>>> where would I put the code you sent? at the beginning of the write
>>> method?
>>>
>>> public StreamingOutput getResource(
>>> @PathParam("id") String id
>>> ) {
>>> return new StreamingOutput() {
>>> public void write(OutputStream outputStream) {
>>> // PUT CODE HERE???
>>> PrintWriter out = new PrintWriter(outputStream);
>>> out.println("Foo");
>>> out.close();
>>> } };
>>> }
>>>
>>
>> You could do:
>>
>> public Response getResource(...) {
>> MediaType m = ... // create media type with boundary string
>>
>> StreamingOutput o = ...
>>
>> return Response.ok(o, m).build();
>> }
>>
>>
>> Or:
>>
>> public StreamingOutput getResource(
>> final @Context HttpContext hc, // Jersey
>> specific class
>> @PathParam("id") String id
>> ) {
>> return new StreamingOutput() {
>> public void write(OutputStream outputStream) {
>> // This will be null if there is no @Produces
>> MediaType ct =
>> hc.getResponse().getMediaType();
>> // Set media type with boundary
>> MediaType ctWithBoundary = ...
>>
>> hc.getResponse().getHttpHeaders().put("Content-Type",
>> ctWithBoundary);
>>
>> PrintWriter out = new PrintWriter(outputStream);
>> out.println("Foo");
>> out.close();
>> } };
>> }
>>
>> Paul.
>>
>
> --------------------------------------
> Jan Algermissen
>
> Mail: algermissen_at_acm.org
> Blog: http://algermissen.blogspot.com/
> Home: http://www.jalgermissen.com
> --------------------------------------
>
>
>