hi sergey i have send you my code .
please you can correct it ?
Il giorno 22/apr/2014 11.54, "Mauro Chi" <[email protected]> ha
scritto:
> please Sergey you can complete my code ???? read at 1) and 2) and 3)
> comment ...
>
>
> 1) i not have not declared any @Produce at retod that Stream the image ,
> because i would set into the code because it can be a image/jpg, image/bmp,
> image/gif, ,image.png , and many other type .
> The content typoe it is saved into the db when i save the image with JPA
> into DB .
> 2) how i write the bytes into resposne?
> 3) how i set the contenttype that i get from entityJPA?
>
>
> package myrest.mauro;
>
> import java.io.*;
> import javax.inject.Inject;
> import javax.ws.rs.Path;
> import javax.ws.rs.WebApplicationException;
> import javax.ws.rs.core.StreamingOutput;
> import myrest.mauro.ImageEntityJPA;
> import myrest.mauro.MyDAO;
>
> /**
> *
> * @author utente_javaee7
> */
> @Path("/imagefromdb")
> public class SearchImageFromDB {
> @Inject MyDAO myDAO;
>
> @GET
>
> // 1) i not have declared any @Produces
>
> @Path("/{id}")
> public Response hello(@PathParam("Id") long Id) {
>
> ImageEntityJPA myimage =myDAO.getImageEntityJPAFromId(Long
> id)
>
> byte[] bytesfromdb= myimage.getBytesimage();
> String contenttype= myimage.getContenttype();
>
>
>
>
> ByteArrayOutputStream baos= new ByteArrayOutputStream
> (bytesfromdb);
>
>
>
>
> StreamingOutput stream = new StreamingOutput() {
> @Override
> public void write(OutputStream os) throws IOException,
> WebApplicationException {
> // 2) how write the bytes of image??????????
>
>
>
> }
> };
>
>
> // 3) how set the content type that i get form entityJPA?
>
> return Response.ok(stream).build();
> }
>
>
> }
>
>
>
> 2014-04-22 11:05 GMT+02:00 Sergey Beryozkin [via CXF] <
> [email protected]>:
>
>> Hi
>>
>> Have you resource method returning the implementation of
>>
>>
>> https://jax-rs-spec.java.net/nonav/2.0/apidocs/javax/ws/rs/core/StreamingOutput.html
>>
>> CXF 3.0.0 (released in the next couple of weeks) has introduced
>>
>>
>> https://git-wip-us.apache.org/repos/asf?p=cxf.git;a=blob;f=rt/frontend/jaxrs/src/main/java/org/apache/cxf/jaxrs/ext/StreamingResponse.java,
>>
>>
>> a typed analog of StreamingOutput, I will document it shortly
>>
>> But using StreamingOutout for returning the file should work perfectly
>> well
>>
>> Cheers, Sergey
>>
>>
>>
>> On 17/04/14 18:16, mauro2java2011 wrote:
>>
>> > Hi all. i would get a image from a db .
>> > I get the bytes[] of image and the content.type saved into db with JPA
>> .
>> > But next how i can stream into the Response for show into a web page ?
>> >
>> > i have found example for save the file with saveas ...
>> >
>> > But i would stream the bytes , not save the file on client .
>> >
>> > Please some code or link of tutorial?
>> > tank you
>> > mauro
>> >
>> >
>> >
>> >
>> > --
>> > View this message in context:
>> http://cxf.547215.n5.nabble.com/how-get-a-image-from-db-with-rest-cxf-tp5743013.html
>> > Sent from the cxf-user mailing list archive at Nabble.com.
>> >
>>
>>
>> --
>> Sergey Beryozkin
>>
>> Talend Community Coders
>> http://coders.talend.com/
>>
>> Blog: http://sberyozkin.blogspot.com
>>
>>
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