Geek Answers Handbook

Upload an image to Google appengine using Robospice using retrofit

I am trying to use retrofit Robospice to upload an image to my Google appengine blobstore. I can get the download URL provided by GAE, but when I try to send the URL with the image as a multi-page POST, I get an exception:

E // RequestRunner.java: 134 (24689): Thread-3363 An exception occurred during the execution of the request network: null

E // RequestRunner.java: 134 (24689): retrofit.RetrofitError

E // RequestRunner.java: 134 (24689): at retrofit.RestAdapter $ RestHandler.invokeRequest (RestAdapter.javahaps43)

E // RequestRunner.java: 134 (24689): at retrofit.RestAdapter $ RestHandler.invoke (RestAdapter.java:222)

E // RequestRunner.java: 134 (24689): with $ Proxy0.uploadImage (native method)

E // RequestRunner.java: 134 (24689): at ginger.connexus.network.UploadImage.loadDataFromNetwork (UploadImage.java:24)

E // RequestRunner.java: 134 (24689): in ginger.connexus.network.UploadImage.loadDataFromNetwork (UploadImage.java:1)

E // RequestRunner.java: 134 (24689): at com.octo.android.robospice.request.CachedSpiceRequest.loadDataFromNetwork (CachedSpiceRequest.java:45)

E // RequestRunner.java: 134 (24689): at com.octo.android.robospice.request.RequestRunner.processRequest (RequestRunner.java:130)

E // RequestRunner.java: 134 (24689): at com.octo.android.robospice.request.RequestRunner $ 1.run (RequestRunner.java:197)

E // RequestRunner.java: 134 (24689): at java.util.concurrent.Executors $ RunnableAdapter.call (Executors.javahaps90)

E // RequestRunner.java: 134 (24689): at java.util.concurrent.FutureTask.run (FutureTask.java:234)

E//RequestRunner.java: 134 (24689): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)

E//RequestRunner.java: 134 (24689): at java.util.concurrent.ThreadPoolExecutor $Worker.run(ThreadPoolExecutor.java:573)

E//RequestRunner.java: 134 (24689): at java.lang.Thread.run(Thread.java:841)

D//RequestProgressManager.java: 75 (24689): COMPLETE

API

public interface MyApi {
    @Multipart
    @POST("/{uploadurl}")
    MyImage uploadImage(
            @Path("uploadurl") String uploadurl,
            @Part("stream") long streamId,
            @Part("image") TypedFile image);
}

Gson Spice

public class MyService extends RetrofitGsonSpiceService {

    private final static String BASE_URL = "theinternet";

    @Override
    protected String getServerUrl() {
        return BASE_URL;
    }

    @Override
    public void onCreate() {
        super.onCreate();
        addRetrofitInterface(MyApi.class);
    }

}

Retice Spice

public class UploadImage extends RetrofitSpiceRequest<MyImage, MyApi> {

    private final String uploadurl;
    private final long streamId;
    private final TypedFile image;

    public UploadImage(String uploadurl, long streamId, File image) {
            super(MyImage.class, MyApi.class);
            this.uploadurl = uploadurl;
            this.streamId = streamId;
            this.image = new TypedFile("image/jpeg", image);
    }

    @Override
    public MyImage loadDataFromNetwork() throws Exception {
        return getService().uploadImage(uploadurl, streamId, image);
    }
}


UploadImage upload = new UploadImage(uploadUrl, streamId, file);
getSpiceManager().execute(upload, new MyImageUploadListener());
+4
1

@EncodedPath @Path URL.

public interface MyApi {

    @Multipart
    @POST("/{uploadurl}")
    MyImage uploadImage(@EncodedPath("uploadurl") String uploadUrlEncoded,
            ... );
}

"% 2F"

String encodedValue = URLEncoder.encode(String.valueOf(uploadUrl), "UTF-8");
// URLEncoder encodes for use as a query parameter. Path encoding uses %20 to
// encode spaces rather than +. Query encoding difference specified in HTML spec.
// Any remaining plus signs represent spaces as already URLEncoded.
encodedValue = encodedValue.replace("+", "%20");
String uploadUrlEncoded = encodedValue.replace("%2F", "/");
+9

More articles:


All Articles