Java tutorial
/* * Copyright 2014-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with * the License. A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions * and limitations under the License. */ package com.amazonaws.services.iotdata; import org.w3c.dom.*; import java.net.*; import java.util.*; import javax.annotation.Generated; import org.apache.commons.logging.*; import com.amazonaws.*; import com.amazonaws.annotation.SdkInternalApi; import com.amazonaws.auth.*; import com.amazonaws.handlers.*; import com.amazonaws.http.*; import com.amazonaws.internal.*; import com.amazonaws.internal.auth.*; import com.amazonaws.metrics.*; import com.amazonaws.regions.*; import com.amazonaws.transform.*; import com.amazonaws.util.*; import com.amazonaws.protocol.json.*; import com.amazonaws.util.AWSRequestMetrics.Field; import com.amazonaws.annotation.ThreadSafe; import com.amazonaws.client.AwsSyncClientParams; import com.amazonaws.client.builder.AdvancedConfig; import com.amazonaws.services.iotdata.AWSIotDataClientBuilder; import com.amazonaws.AmazonServiceException; import com.amazonaws.services.iotdata.model.*; import com.amazonaws.services.iotdata.model.transform.*; /** * Client for accessing AWS IoT Data Plane. All service calls made using this client are blocking, and will not return * until the service call completes. * <p> * <fullname>AWS IoT</fullname> * <p> * AWS IoT-Data enables secure, bi-directional communication between Internet-connected things (such as sensors, * actuators, embedded devices, or smart appliances) and the AWS cloud. It implements a broker for applications and * things to publish messages over HTTP (Publish) and retrieve, update, and delete thing shadows. A thing shadow is a * persistent representation of your things and their state in the AWS cloud. * </p> */ @ThreadSafe @Generated("com.amazonaws:aws-java-sdk-code-generator") public class AWSIotDataClient extends AmazonWebServiceClient implements AWSIotData { /** Provider for AWS credentials. */ private final AWSCredentialsProvider awsCredentialsProvider; private static final Log log = LogFactory.getLog(AWSIotData.class); /** Default signing name for the service. */ private static final String DEFAULT_SIGNING_NAME = "iotdata"; /** Client configuration factory providing ClientConfigurations tailored to this client */ protected static final ClientConfigurationFactory configFactory = new ClientConfigurationFactory(); private final AdvancedConfig advancedConfig; private static final com.amazonaws.protocol.json.SdkJsonProtocolFactory protocolFactory = new com.amazonaws.protocol.json.SdkJsonProtocolFactory( new JsonClientMetadata().withProtocolVersion("1.1").withSupportsCbor(false).withSupportsIon(false) .withContentTypeOverride("") .addErrorMetadata(new JsonErrorShapeMetadata() .withErrorCode("UnsupportedDocumentEncodingException").withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.UnsupportedDocumentEncodingExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("MethodNotAllowedException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.MethodNotAllowedExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("ConflictException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.ConflictExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("ServiceUnavailableException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.ServiceUnavailableExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("InternalFailureException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.InternalFailureExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("UnauthorizedException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.UnauthorizedExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("RequestEntityTooLargeException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.RequestEntityTooLargeExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("InvalidRequestException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.InvalidRequestExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("ThrottlingException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.ThrottlingExceptionUnmarshaller .getInstance())) .addErrorMetadata(new JsonErrorShapeMetadata().withErrorCode("ResourceNotFoundException") .withExceptionUnmarshaller( com.amazonaws.services.iotdata.model.transform.ResourceNotFoundExceptionUnmarshaller .getInstance())) .withBaseServiceExceptionClass(com.amazonaws.services.iotdata.model.AWSIotDataException.class)); /** * Constructs a new client to invoke service methods on AWS IoT Data Plane. A credentials provider chain will be * used that searches for credentials in this order: * <ul> * <li>Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY</li> * <li>Java System Properties - aws.accessKeyId and aws.secretKey</li> * <li>Instance profile credentials delivered through the Amazon EC2 metadata service</li> * </ul> * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @see DefaultAWSCredentialsProviderChain * @deprecated use {@link AWSIotDataClientBuilder#defaultClient()} */ @Deprecated public AWSIotDataClient() { this(DefaultAWSCredentialsProviderChain.getInstance(), configFactory.getConfig()); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane. A credentials provider chain will be * used that searches for credentials in this order: * <ul> * <li>Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY</li> * <li>Java System Properties - aws.accessKeyId and aws.secretKey</li> * <li>Instance profile credentials delivered through the Amazon EC2 metadata service</li> * </ul> * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param clientConfiguration * The client configuration options controlling how this client connects to AWS IoT Data Plane (ex: proxy * settings, retry counts, etc.). * * @see DefaultAWSCredentialsProviderChain * @deprecated use {@link AWSIotDataClientBuilder#withClientConfiguration(ClientConfiguration)} */ @Deprecated public AWSIotDataClient(ClientConfiguration clientConfiguration) { this(DefaultAWSCredentialsProviderChain.getInstance(), clientConfiguration); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified AWS account * credentials. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentials * The AWS credentials (access key ID and secret key) to use when authenticating with AWS services. * @deprecated use {@link AWSIotDataClientBuilder#withCredentials(AWSCredentialsProvider)} for example: * {@code AWSIotDataClientBuilder.standard().withCredentials(new AWSStaticCredentialsProvider(awsCredentials)).build();} */ @Deprecated public AWSIotDataClient(AWSCredentials awsCredentials) { this(awsCredentials, configFactory.getConfig()); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified AWS account * credentials and client configuration options. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentials * The AWS credentials (access key ID and secret key) to use when authenticating with AWS services. * @param clientConfiguration * The client configuration options controlling how this client connects to AWS IoT Data Plane (ex: proxy * settings, retry counts, etc.). * @deprecated use {@link AWSIotDataClientBuilder#withCredentials(AWSCredentialsProvider)} and * {@link AWSIotDataClientBuilder#withClientConfiguration(ClientConfiguration)} */ @Deprecated public AWSIotDataClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) { super(clientConfiguration); this.awsCredentialsProvider = new StaticCredentialsProvider(awsCredentials); this.advancedConfig = AdvancedConfig.EMPTY; init(); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified AWS account * credentials provider. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials to authenticate requests with AWS services. * @deprecated use {@link AWSIotDataClientBuilder#withCredentials(AWSCredentialsProvider)} */ @Deprecated public AWSIotDataClient(AWSCredentialsProvider awsCredentialsProvider) { this(awsCredentialsProvider, configFactory.getConfig()); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified AWS account * credentials provider and client configuration options. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials to authenticate requests with AWS services. * @param clientConfiguration * The client configuration options controlling how this client connects to AWS IoT Data Plane (ex: proxy * settings, retry counts, etc.). * @deprecated use {@link AWSIotDataClientBuilder#withCredentials(AWSCredentialsProvider)} and * {@link AWSIotDataClientBuilder#withClientConfiguration(ClientConfiguration)} */ @Deprecated public AWSIotDataClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration) { this(awsCredentialsProvider, clientConfiguration, null); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified AWS account * credentials provider, client configuration options, and request metric collector. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials to authenticate requests with AWS services. * @param clientConfiguration * The client configuration options controlling how this client connects to AWS IoT Data Plane (ex: proxy * settings, retry counts, etc.). * @param requestMetricCollector * optional request metric collector * @deprecated use {@link AWSIotDataClientBuilder#withCredentials(AWSCredentialsProvider)} and * {@link AWSIotDataClientBuilder#withClientConfiguration(ClientConfiguration)} and * {@link AWSIotDataClientBuilder#withMetricsCollector(RequestMetricCollector)} */ @Deprecated public AWSIotDataClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration, RequestMetricCollector requestMetricCollector) { super(clientConfiguration, requestMetricCollector); this.awsCredentialsProvider = awsCredentialsProvider; this.advancedConfig = AdvancedConfig.EMPTY; init(); } public static AWSIotDataClientBuilder builder() { return AWSIotDataClientBuilder.standard(); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified parameters. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param clientParams * Object providing client parameters. */ AWSIotDataClient(AwsSyncClientParams clientParams) { this(clientParams, false); } /** * Constructs a new client to invoke service methods on AWS IoT Data Plane using the specified parameters. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param clientParams * Object providing client parameters. */ AWSIotDataClient(AwsSyncClientParams clientParams, boolean endpointDiscoveryEnabled) { super(clientParams); this.awsCredentialsProvider = clientParams.getCredentialsProvider(); this.advancedConfig = clientParams.getAdvancedConfig(); init(); } private void init() { setServiceNameIntern(DEFAULT_SIGNING_NAME); setEndpointPrefix(ENDPOINT_PREFIX); // calling this.setEndPoint(...) will also modify the signer accordingly setEndpoint("https://data.iot.us-east-1.amazonaws.com"); HandlerChainFactory chainFactory = new HandlerChainFactory(); requestHandler2s .addAll(chainFactory.newRequestHandlerChain("/com/amazonaws/services/iotdata/request.handlers")); requestHandler2s .addAll(chainFactory.newRequestHandler2Chain("/com/amazonaws/services/iotdata/request.handler2s")); requestHandler2s.addAll(chainFactory.getGlobalHandlers()); } /** * <p> * Deletes the thing shadow for the specified thing. * </p> * <p> * For more information, see <a * href="http://docs.aws.amazon.com/iot/latest/developerguide/API_DeleteThingShadow.html">DeleteThingShadow</a> in * the <i>AWS IoT Developer Guide</i>. * </p> * * @param deleteThingShadowRequest * The input for the DeleteThingShadow operation. * @return Result of the DeleteThingShadow operation returned by the service. * @throws ResourceNotFoundException * The specified resource does not exist. * @throws InvalidRequestException * The request is not valid. * @throws ThrottlingException * The rate exceeds the limit. * @throws UnauthorizedException * You are not authorized to perform this operation. * @throws ServiceUnavailableException * The service is temporarily unavailable. * @throws InternalFailureException * An unexpected error has occurred. * @throws MethodNotAllowedException * The specified combination of HTTP verb and URI is not supported. * @throws UnsupportedDocumentEncodingException * The document encoding is not supported. * @sample AWSIotData.DeleteThingShadow */ @Override public DeleteThingShadowResult deleteThingShadow(DeleteThingShadowRequest request) { request = beforeClientExecution(request); return executeDeleteThingShadow(request); } @SdkInternalApi final DeleteThingShadowResult executeDeleteThingShadow(DeleteThingShadowRequest deleteThingShadowRequest) { ExecutionContext executionContext = createExecutionContext(deleteThingShadowRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<DeleteThingShadowRequest> request = null; Response<DeleteThingShadowResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new DeleteThingShadowRequestProtocolMarshaller(protocolFactory) .marshall(super.beforeMarshalling(deleteThingShadowRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "IoT Data Plane"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "DeleteThingShadow"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } HttpResponseHandler<AmazonWebServiceResponse<DeleteThingShadowResult>> responseHandler = protocolFactory .createResponseHandler(new JsonOperationMetadata().withPayloadJson(false) .withHasStreamingSuccessResponse(false), new DeleteThingShadowResultJsonUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * Gets the thing shadow for the specified thing. * </p> * <p> * For more information, see <a * href="http://docs.aws.amazon.com/iot/latest/developerguide/API_GetThingShadow.html">GetThingShadow</a> in the * <i>AWS IoT Developer Guide</i>. * </p> * * @param getThingShadowRequest * The input for the GetThingShadow operation. * @return Result of the GetThingShadow operation returned by the service. * @throws InvalidRequestException * The request is not valid. * @throws ResourceNotFoundException * The specified resource does not exist. * @throws ThrottlingException * The rate exceeds the limit. * @throws UnauthorizedException * You are not authorized to perform this operation. * @throws ServiceUnavailableException * The service is temporarily unavailable. * @throws InternalFailureException * An unexpected error has occurred. * @throws MethodNotAllowedException * The specified combination of HTTP verb and URI is not supported. * @throws UnsupportedDocumentEncodingException * The document encoding is not supported. * @sample AWSIotData.GetThingShadow */ @Override public GetThingShadowResult getThingShadow(GetThingShadowRequest request) { request = beforeClientExecution(request); return executeGetThingShadow(request); } @SdkInternalApi final GetThingShadowResult executeGetThingShadow(GetThingShadowRequest getThingShadowRequest) { ExecutionContext executionContext = createExecutionContext(getThingShadowRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<GetThingShadowRequest> request = null; Response<GetThingShadowResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new GetThingShadowRequestProtocolMarshaller(protocolFactory) .marshall(super.beforeMarshalling(getThingShadowRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "IoT Data Plane"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "GetThingShadow"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } HttpResponseHandler<AmazonWebServiceResponse<GetThingShadowResult>> responseHandler = protocolFactory .createResponseHandler(new JsonOperationMetadata().withPayloadJson(false) .withHasStreamingSuccessResponse(false), new GetThingShadowResultJsonUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * Publishes state information. * </p> * <p> * For more information, see <a href="http://docs.aws.amazon.com/iot/latest/developerguide/protocols.html#http">HTTP * Protocol</a> in the <i>AWS IoT Developer Guide</i>. * </p> * * @param publishRequest * The input for the Publish operation. * @return Result of the Publish operation returned by the service. * @throws InternalFailureException * An unexpected error has occurred. * @throws InvalidRequestException * The request is not valid. * @throws UnauthorizedException * You are not authorized to perform this operation. * @throws MethodNotAllowedException * The specified combination of HTTP verb and URI is not supported. * @sample AWSIotData.Publish */ @Override public PublishResult publish(PublishRequest request) { request = beforeClientExecution(request); return executePublish(request); } @SdkInternalApi final PublishResult executePublish(PublishRequest publishRequest) { ExecutionContext executionContext = createExecutionContext(publishRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<PublishRequest> request = null; Response<PublishResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new PublishRequestProtocolMarshaller(protocolFactory) .marshall(super.beforeMarshalling(publishRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "IoT Data Plane"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "Publish"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } HttpResponseHandler<AmazonWebServiceResponse<PublishResult>> responseHandler = protocolFactory .createResponseHandler(new JsonOperationMetadata().withPayloadJson(true) .withHasStreamingSuccessResponse(false), new PublishResultJsonUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * Updates the thing shadow for the specified thing. * </p> * <p> * For more information, see <a * href="http://docs.aws.amazon.com/iot/latest/developerguide/API_UpdateThingShadow.html">UpdateThingShadow</a> in * the <i>AWS IoT Developer Guide</i>. * </p> * * @param updateThingShadowRequest * The input for the UpdateThingShadow operation. * @return Result of the UpdateThingShadow operation returned by the service. * @throws ConflictException * The specified version does not match the version of the document. * @throws RequestEntityTooLargeException * The payload exceeds the maximum size allowed. * @throws InvalidRequestException * The request is not valid. * @throws ThrottlingException * The rate exceeds the limit. * @throws UnauthorizedException * You are not authorized to perform this operation. * @throws ServiceUnavailableException * The service is temporarily unavailable. * @throws InternalFailureException * An unexpected error has occurred. * @throws MethodNotAllowedException * The specified combination of HTTP verb and URI is not supported. * @throws UnsupportedDocumentEncodingException * The document encoding is not supported. * @sample AWSIotData.UpdateThingShadow */ @Override public UpdateThingShadowResult updateThingShadow(UpdateThingShadowRequest request) { request = beforeClientExecution(request); return executeUpdateThingShadow(request); } @SdkInternalApi final UpdateThingShadowResult executeUpdateThingShadow(UpdateThingShadowRequest updateThingShadowRequest) { ExecutionContext executionContext = createExecutionContext(updateThingShadowRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<UpdateThingShadowRequest> request = null; Response<UpdateThingShadowResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new UpdateThingShadowRequestProtocolMarshaller(protocolFactory) .marshall(super.beforeMarshalling(updateThingShadowRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "IoT Data Plane"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "UpdateThingShadow"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } HttpResponseHandler<AmazonWebServiceResponse<UpdateThingShadowResult>> responseHandler = protocolFactory .createResponseHandler(new JsonOperationMetadata().withPayloadJson(false) .withHasStreamingSuccessResponse(false), new UpdateThingShadowResultJsonUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * Returns additional metadata for a previously executed successful, request, typically used for debugging issues * where a service isn't acting as expected. This data isn't considered part of the result data returned by an * operation, so it's available through this separate, diagnostic interface. * <p> * Response metadata is only cached for a limited period of time, so if you need to access this extra diagnostic * information for an executed request, you should use this method to retrieve it as soon as possible after * executing the request. * * @param request * The originally executed request * * @return The response metadata for the specified request, or null if none is available. */ public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request) { return client.getResponseMetadataForRequest(request); } /** * Normal invoke with authentication. Credentials are required and may be overriden at the request level. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext) { return invoke(request, responseHandler, executionContext, null, null); } /** * Normal invoke with authentication. Credentials are required and may be overriden at the request level. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext, URI cachedEndpoint, URI uriFromEndpointTrait) { executionContext.setCredentialsProvider( CredentialUtils.getCredentialsProvider(request.getOriginalRequest(), awsCredentialsProvider)); return doInvoke(request, responseHandler, executionContext, cachedEndpoint, uriFromEndpointTrait); } /** * Invoke with no authentication. Credentials are not required and any credentials set on the client or request will * be ignored for this operation. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> anonymousInvoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext) { return doInvoke(request, responseHandler, executionContext, null, null); } /** * Invoke the request using the http client. Assumes credentials (or lack thereof) have been configured in the * ExecutionContext beforehand. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> doInvoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext, URI discoveredEndpoint, URI uriFromEndpointTrait) { if (discoveredEndpoint != null) { request.setEndpoint(discoveredEndpoint); request.getOriginalRequest().getRequestClientOptions().appendUserAgent("endpoint-discovery"); } else if (uriFromEndpointTrait != null) { request.setEndpoint(uriFromEndpointTrait); } else { request.setEndpoint(endpoint); } request.setTimeOffset(timeOffset); HttpResponseHandler<AmazonServiceException> errorResponseHandler = protocolFactory .createErrorResponseHandler(new JsonErrorResponseMetadata()); return client.execute(request, responseHandler, errorResponseHandler, executionContext); } @com.amazonaws.annotation.SdkInternalApi static com.amazonaws.protocol.json.SdkJsonProtocolFactory getProtocolFactory() { return protocolFactory; } }