Created
January 19, 2016 12:17
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public class ObservableReturnValueHandler implements HandlerMethodReturnValueHandler { | |
public boolean supportsReturnType(MethodParameter returnType) { | |
Class parameterType = returnType.getParameterType(); | |
return Observable.class.isAssignableFrom(parameterType); | |
} | |
public void handleReturnValue(Object returnValue, | |
MethodParameter returnType, ModelAndViewContainer mavContainer, | |
NativeWebRequest webRequest) throws Exception { | |
if(returnValue == null) { | |
mavContainer.setRequestHandled(true); | |
return; | |
} | |
final DeferredResult<Object> deferredResult = new DeferredResult<Object>(); | |
Observable observable = (Observable) returnValue; | |
observable.subscribe(result -> deferredResult.setResult(result), errors -> deferredResult.setErrorResult(errors)); | |
WebAsyncUtils.getAsyncManager(webRequest).startDeferredResultProcessing(deferredResult, mavContainer); | |
} | |
} |
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