我正在尝试使用带有 Retrofit 的 Robospice 将图像上传到我的 Google 应用引擎 blobstore。 我可以获得 GAE 提供的上传 URL,但是当我尝试将带有图像的 URL 作为 Multipart POST 发送时,出现异常:
E//RequestRunner.java:134(24689): Thread-3363 An exception occurred during request network execution:null
E//RequestRunner.java:134(24689): retrofit.RetrofitError
E//RequestRunner.java:134(24689): at retrofit.RestAdapter$RestHandler.invokeRequest(RestAdapter.java:343)
E//RequestRunner.java:134(24689): at retrofit.RestAdapter$RestHandler.invoke(RestAdapter.java:222)
E//RequestRunner.java:134(24689): at $Proxy0.uploadImage(Native Method)
E//RequestRunner.java:134(24689): at ginger.connexus.network.UploadImage.loadDataFromNetwork(UploadImage.java:24)
E//RequestRunner.java:134(24689): at 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.java:390)
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): Sending progress COMPLETE
我的API接口(interface)
public interface MyApi {
@Multipart
@POST("/{uploadurl}")
MyImage uploadImage(
@Path("uploadurl") String uploadurl,
@Part("stream") long streamId,
@Part("image") TypedFile image);
}
我改造的 Gson Spice 服务
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);
}
}
我的 Retrofit Spice Request 类
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);
}
}
我的执行调用
UploadImage upload = new UploadImage(uploadUrl, streamId, file);
getSpiceManager().execute(upload, new MyImageUploadListener());
最佳答案
尝试使用 @EncodedPath
而不是 @Path
并自己进行 URL 编码。
public interface MyApi {
@Multipart
@POST("/{uploadurl}")
MyImage uploadImage(@EncodedPath("uploadurl") String uploadUrlEncoded,
... );
}
要处理“%2F”问题,我会使用下一个 fragment
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", "/");
关于android - 使用带有 Retrofit 的 Robospice 将图像上传到 Google appengine,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/19297268/