com.amazonaws.http.ExecutionContext Java Examples

private <Y> Request<Y> prepareRequest(Request<Y> request, ExecutionContext executionContext, boolean signRequest) {
    request.setEndpoint(endpoint);
    request.setTimeOffset(timeOffset);

    AWSCredentials credentials = awsCredentialsProvider.getCredentials();

    AmazonWebServiceRequest originalRequest = request.getOriginalRequest();
    if (originalRequest != null && originalRequest.getRequestCredentials() != null) {
        credentials = originalRequest.getRequestCredentials();
    }
    if (signRequest) {
        // expiration date is not currently supported on service side, but presignRequest method requires
        // this argument so one with default value is provided.
        Date expirationDate = DateTime.now(DateTimeZone.UTC)
                .plusMinutes(DEFAULT_GET_REQUEST_EXPIRATION_MINUTES).toDate();
        signer.presignRequest(request, credentials, expirationDate);
    } else {
        executionContext.setSigner(signer);
        executionContext.setCredentials(credentials);
    }
    return request;
}
 

private static RequestExecutionBuilder buildRequest(final Request request) {
  try {
    return new AmazonHttpClient(new ClientConfiguration()).requestExecutionBuilder()
        .executionContext(new ExecutionContext(true)).request(request)
        .errorResponseHandler(new ErrorResponseHandler(false));
  } catch (AmazonServiceException exception) {
    System.out.println("Unexpected status code in response: " + exception.getStatusCode());
    System.out.println("Content: " + exception.getRawResponseContent());
    throw new RuntimeException("Failed request. Aborting.");
  }
}
 

private GenericApiGatewayResponse execute(HttpMethodName method, String resourcePath, Map<String, String> headers, Map<String,List<String>> parameters, InputStream content) {
    final ExecutionContext executionContext = buildExecutionContext();

    DefaultRequest request = new DefaultRequest(API_GATEWAY_SERVICE_NAME);
    request.setHttpMethod(method);
    request.setContent(content);
    request.setEndpoint(this.endpoint);
    request.setResourcePath(resourcePath);
    request.setHeaders(buildRequestHeaders(headers, apiKey));
    if (parameters != null) {
        request.setParameters(parameters);
    }
    return this.client.execute(request, responseHandler, errorResponseHandler, executionContext).getAwsResponse();
}
 

private ExecutionContext buildExecutionContext() {
    final ExecutionContext executionContext = ExecutionContext.builder().withSignerProvider(
            new DefaultSignerProvider(this, signer)).build();
    executionContext.setCredentialsProvider(credentials);
    executionContext.setSigner(signer);
    return executionContext;
}
 

/**
 * Perform this request.	
 */
@Override
public T perform() {
    final Response<T> rsp = new AmazonHttpClient(new ClientConfiguration())
        .requestExecutionBuilder()
        .executionContext(new ExecutionContext(true))
        .request(this.request)
        .errorResponseHandler(this.errHandler)
        .execute(this.respHandler);
    return rsp.getAwsResponse();
}
 

@Override
public CreateSpeechResult createSpeech(CreateSpeechRequest createSpeechRequest) throws AmazonServiceException,
        AmazonClientException {

    ExecutionContext executionContext = createExecutionContext(createSpeechRequest);
    Request<CreateSpeechRequest> request = CreateSpeechRequestMarshallerFactory.getMarshaller(
            createSpeechRequest.getMethodType()).marshall(createSpeechRequest);
    CreateSpeechResultUnmarshaller unmarshaller = new CreateSpeechResultUnmarshaller();
    StreamResponseHandler<CreateSpeechResult> responseHandler =
            new StreamResponseHandler<CreateSpeechResult>(unmarshaller);
    Response<CreateSpeechResult> response = invoke(request, responseHandler, executionContext);
    return response.getAwsResponse();
}
 

@Override
public ListVoicesResult listVoices(ListVoicesRequest listVoicesRequest) throws AmazonServiceException,
        AmazonClientException {

    ExecutionContext executionContext = createExecutionContext(listVoicesRequest);
    Request<ListVoicesRequest> request = ListVoicesRequestMarshallerFactory.getMarshaller(
            listVoicesRequest.getMethodType()).marshall(listVoicesRequest);
    Unmarshaller<ListVoicesResult, JsonUnmarshallerContext> unmarshaller = new ListVoicesResultJsonUnmarshaller();
    JsonResponseHandler<ListVoicesResult> responseHandler =
            new JsonResponseHandler<ListVoicesResult>(unmarshaller);
    Response<ListVoicesResult> response = invoke(request, responseHandler, executionContext);
    return response.getAwsResponse();
}
 

@Override
public void deleteLexicon(DeleteLexiconRequest deleteLexiconRequest)
        throws AmazonServiceException, AmazonClientException {

    ExecutionContext executionContext = createExecutionContext(deleteLexiconRequest);
    DeleteLexiconRequestMarshaller marshaller = new DeleteLexiconPostRequestMarshaller();
    Request<DeleteLexiconRequest> request = marshaller.marshall(deleteLexiconRequest);
    JsonResponseHandler<Void> responseHandler = new JsonResponseHandler<Void>(null);

    invoke(request, responseHandler, executionContext);
}
 

@Override
public GetLexiconResult getLexicon(GetLexiconRequest getLexiconRequest)
        throws AmazonServiceException, AmazonClientException {

    ExecutionContext executionContext = createExecutionContext(getLexiconRequest);
    GetLexiconRequestMarshaller marshaller = new GetLexiconPostRequestMarshaller();
    Request<GetLexiconRequest> request = marshaller.marshall(getLexiconRequest);
    Unmarshaller<GetLexiconResult, JsonUnmarshallerContext> unmarshaller = new GetLexiconResultJsonUnmarshaller();
    JsonResponseHandler<GetLexiconResult> responseHandler = new JsonResponseHandler<GetLexiconResult>(unmarshaller);

    Response<GetLexiconResult> response = invoke(request, responseHandler, executionContext);
    return response.getAwsResponse();
}
 

@Override
public ListLexiconsResult listLexicons() {
    ListLexiconsRequest listLexiconsRequest = new ListLexiconsRequest();
    ExecutionContext executionContext = createExecutionContext(listLexiconsRequest);
    ListLexiconsRequestMarshaller marshaller = new ListLexiconsPostRequestMarshaller();
    Request<ListLexiconsRequest> request = marshaller.marshall(listLexiconsRequest);
    Unmarshaller<ListLexiconsResult, JsonUnmarshallerContext> unmarshaller =
            new ListLexiconsResultJsonUnmarshaller();
    JsonResponseHandler<ListLexiconsResult> responseHandler =
            new JsonResponseHandler<ListLexiconsResult>(unmarshaller);

    Response<ListLexiconsResult> response = invoke(request, responseHandler, executionContext);
    return response.getAwsResponse();
}
 

@Override
public void putLexicon(PutLexiconRequest putLexiconRequest)
        throws AmazonServiceException, AmazonClientException {

    ExecutionContext executionContext = createExecutionContext(putLexiconRequest);
    PutLexiconRequestMarshaller marshaller = new PutLexiconPostRequestMarshaller();
    Request<PutLexiconRequest> request = marshaller.marshall(putLexiconRequest);
    JsonResponseHandler<Void> responseHandler = new JsonResponseHandler<Void>(null);

    invoke(request, responseHandler, executionContext);
}
 

private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(
        Request<Y> request,
        HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler,
        ExecutionContext executionContext) {

    JsonErrorResponseHandler errorResponseHandler = new JsonErrorResponseHandler(exceptionUnmarshallers);

    Response<X> result = client.execute(
            prepareRequest(request, executionContext),
            responseHandler,
            errorResponseHandler,
            executionContext);

    return result;
}
 

private GenericApiGatewayResponse execute(HttpMethodName method, String resourcePath, Map<String, String> headers, Map<String,List<String>> parameters, InputStream content) {
    final ExecutionContext executionContext = buildExecutionContext();

    DefaultRequest request = new DefaultRequest(API_GATEWAY_SERVICE_NAME);
    request.setHttpMethod(method);
    request.setContent(content);
    request.setEndpoint(this.endpoint);
    request.setResourcePath(resourcePath);
    request.setHeaders(buildRequestHeaders(headers, apiKey));
    if (parameters != null) {
        request.setParameters(parameters);
    }
    return this.client.execute(request, responseHandler, errorResponseHandler, executionContext).getAwsResponse();
}
 

private ExecutionContext buildExecutionContext() {
    final ExecutionContext executionContext = ExecutionContext.builder().withSignerProvider(
            new DefaultSignerProvider(this, signer)).build();
    executionContext.setCredentialsProvider(credentials);
    executionContext.setSigner(signer);
    return executionContext;
}
 

private <Y> Request<Y> prepareRequest(Request<Y> request, ExecutionContext executionContext) {
    return prepareRequest(request, executionContext, false);
}