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/*
 * Copyright 2010-2014 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.cognitoidentity;

import java.net.*;
import java.util.*;

import org.apache.commons.logging.*;

import com.amazonaws.*;
import com.amazonaws.regions.*;
import com.amazonaws.auth.*;
import com.amazonaws.handlers.*;
import com.amazonaws.http.*;
import com.amazonaws.regions.*;
import com.amazonaws.internal.*;
import com.amazonaws.metrics.*;
import com.amazonaws.transform.*;
import com.amazonaws.util.*;
import static com.amazonaws.util.IOUtils.*;
import com.amazonaws.util.AWSRequestMetrics.Field;
import com.amazonaws.util.json.*;

import com.amazonaws.services.cognitoidentity.model.*;
import com.amazonaws.services.cognitoidentity.model.transform.*;

/**
 * Client for accessing AmazonCognitoIdentity.  All service calls made
 * using this client are blocking, and will not return until the service call
 * completes.
 * 

* Amazon Cognito

* Amazon Cognito is a web service that facilitates the delivery of * scoped, temporary credentials to mobile devices or other untrusted * environments. Amazon Cognito uniquely identifies a device or user and * supplies the user with a consistent identity throughout the lifetime * of an application. *

*

* Amazon Cognito lets users authenticate with third-party identity * providers (Facebook, Google, or Login with Amazon). As a developer, * you decide which identity providers to trust. You can also choose to * support unauthenticated access from your application. Your users are * provided with Cognito tokens that uniquely identify their device and * any information provided about third-party logins. *

*/ public class AmazonCognitoIdentityClient extends AmazonWebServiceClient implements AmazonCognitoIdentity { /** Provider for AWS credentials. */ private AWSCredentialsProvider awsCredentialsProvider; private static final Log log = LogFactory.getLog(AmazonCognitoIdentity.class); /** * List of exception unmarshallers for all AmazonCognitoIdentity exceptions. */ protected List jsonErrorUnmarshallers; /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity. A credentials provider chain will be used * that searches for credentials in this order: *
    *
  • Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
  • *
  • Java System Properties - aws.accessKeyId and aws.secretKey
  • *
  • Instance profile credentials delivered through the Amazon EC2 metadata service
  • *
* *

* All service calls made using this new client object are blocking, and will not * return until the service call completes. * * @see DefaultAWSCredentialsProviderChain */ public AmazonCognitoIdentityClient() { this(new DefaultAWSCredentialsProviderChain(), new ClientConfiguration()); } /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity. A credentials provider chain will be used * that searches for credentials in this order: *

    *
  • Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
  • *
  • Java System Properties - aws.accessKeyId and aws.secretKey
  • *
  • Instance profile credentials delivered through the Amazon EC2 metadata service
  • *
* *

* 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 AmazonCognitoIdentity * (ex: proxy settings, retry counts, etc.). * * @see DefaultAWSCredentialsProviderChain */ public AmazonCognitoIdentityClient(ClientConfiguration clientConfiguration) { this(new DefaultAWSCredentialsProviderChain(), clientConfiguration); } /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity using the specified AWS account credentials. * *

* 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. */ public AmazonCognitoIdentityClient(AWSCredentials awsCredentials) { this(awsCredentials, new ClientConfiguration()); } /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity using the specified AWS account credentials * and client configuration options. * *

* 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 AmazonCognitoIdentity * (ex: proxy settings, retry counts, etc.). */ public AmazonCognitoIdentityClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) { super(adjustClientConfiguration(clientConfiguration)); this.awsCredentialsProvider = new StaticCredentialsProvider(awsCredentials); init(); } /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity using the specified AWS account credentials provider. * *

* 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. */ public AmazonCognitoIdentityClient(AWSCredentialsProvider awsCredentialsProvider) { this(awsCredentialsProvider, new ClientConfiguration()); } /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity using the specified AWS account credentials * provider and client configuration options. * *

* 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 AmazonCognitoIdentity * (ex: proxy settings, retry counts, etc.). */ public AmazonCognitoIdentityClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration) { this(awsCredentialsProvider, clientConfiguration, null); } /** * Constructs a new client to invoke service methods on * AmazonCognitoIdentity using the specified AWS account credentials * provider, client configuration options and request metric collector. * *

* 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 AmazonCognitoIdentity * (ex: proxy settings, retry counts, etc.). * @param requestMetricCollector optional request metric collector */ public AmazonCognitoIdentityClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration, RequestMetricCollector requestMetricCollector) { super(adjustClientConfiguration(clientConfiguration), requestMetricCollector); this.awsCredentialsProvider = awsCredentialsProvider; init(); } private void init() { jsonErrorUnmarshallers = new ArrayList(); jsonErrorUnmarshallers.add(new NotAuthorizedExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new ResourceNotFoundExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new InternalErrorExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new InvalidParameterExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new ResourceConflictExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new TooManyRequestsExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new LimitExceededExceptionUnmarshaller()); jsonErrorUnmarshallers.add(new JsonErrorUnmarshaller()); // calling this.setEndPoint(...) will also modify the signer accordingly this.setEndpoint("cognito-identity.us-east-1.amazonaws.com/"); HandlerChainFactory chainFactory = new HandlerChainFactory(); requestHandler2s.addAll(chainFactory.newRequestHandlerChain( "/com/amazonaws/services/cognitoidentity/request.handlers")); requestHandler2s.addAll(chainFactory.newRequestHandler2Chain( "/com/amazonaws/services/cognitoidentity/request.handler2s")); } private static ClientConfiguration adjustClientConfiguration(ClientConfiguration orig) { ClientConfiguration config = orig; return config; } /** *

* Lists all of the Cognito identity pools registered for your account. *

* * @param listIdentityPoolsRequest Container for the necessary parameters * to execute the ListIdentityPools service method on * AmazonCognitoIdentity. * * @return The response from the ListIdentityPools service method, as * returned by AmazonCognitoIdentity. * * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public ListIdentityPoolsResult listIdentityPools(ListIdentityPoolsRequest listIdentityPoolsRequest) { ExecutionContext executionContext = createExecutionContext(listIdentityPoolsRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new ListIdentityPoolsRequestMarshaller().marshall(listIdentityPoolsRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new ListIdentityPoolsResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Gets an OpenID token, using a known Cognito ID. This known Cognito ID * is returned from GetId. You can optionally add additional logins for * the identity. Supplying multiple logins creates an implicit link. *

* * @param getOpenIdTokenRequest Container for the necessary parameters to * execute the GetOpenIdToken service method on AmazonCognitoIdentity. * * @return The response from the GetOpenIdToken service method, as * returned by AmazonCognitoIdentity. * * @throws ResourceConflictException * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public GetOpenIdTokenResult getOpenIdToken(GetOpenIdTokenRequest getOpenIdTokenRequest) { ExecutionContext executionContext = createExecutionContext(getOpenIdTokenRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new GetOpenIdTokenRequestMarshaller().marshall(getOpenIdTokenRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new GetOpenIdTokenResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Unlinks a federated identity from an existing account. Unlinked * logins will be considered new identities next time they are seen. * Removing the last linked login will make this identity inaccessible. *

* * @param unlinkIdentityRequest Container for the necessary parameters to * execute the UnlinkIdentity service method on AmazonCognitoIdentity. * * * @throws ResourceConflictException * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public void unlinkIdentity(UnlinkIdentityRequest unlinkIdentityRequest) { ExecutionContext executionContext = createExecutionContext(unlinkIdentityRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); Request request; awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new UnlinkIdentityRequestMarshaller().marshall(unlinkIdentityRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } JsonResponseHandler responseHandler = new JsonResponseHandler(null); invoke(request, responseHandler, executionContext); } /** *

* Gets details about a particular identity pool, including the pool * name, ID description, creation date, and current number of users. *

* * @param describeIdentityPoolRequest Container for the necessary * parameters to execute the DescribeIdentityPool service method on * AmazonCognitoIdentity. * * @return The response from the DescribeIdentityPool service method, as * returned by AmazonCognitoIdentity. * * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public DescribeIdentityPoolResult describeIdentityPool(DescribeIdentityPoolRequest describeIdentityPoolRequest) { ExecutionContext executionContext = createExecutionContext(describeIdentityPoolRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new DescribeIdentityPoolRequestMarshaller().marshall(describeIdentityPoolRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new DescribeIdentityPoolResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Generates (or retrieves) a Cognito ID. Supplying multiple logins will * create an implicit linked account. *

* * @param getIdRequest Container for the necessary parameters to execute * the GetId service method on AmazonCognitoIdentity. * * @return The response from the GetId service method, as returned by * AmazonCognitoIdentity. * * @throws ResourceConflictException * @throws InternalErrorException * @throws LimitExceededException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public GetIdResult getId(GetIdRequest getIdRequest) { ExecutionContext executionContext = createExecutionContext(getIdRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new GetIdRequestMarshaller().marshall(getIdRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new GetIdResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Deletes a user pool. Once a pool is deleted, users will not be able * to authenticate with the pool. *

* * @param deleteIdentityPoolRequest Container for the necessary * parameters to execute the DeleteIdentityPool service method on * AmazonCognitoIdentity. * * * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public void deleteIdentityPool(DeleteIdentityPoolRequest deleteIdentityPoolRequest) { ExecutionContext executionContext = createExecutionContext(deleteIdentityPoolRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); Request request; awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new DeleteIdentityPoolRequestMarshaller().marshall(deleteIdentityPoolRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } JsonResponseHandler responseHandler = new JsonResponseHandler(null); invoke(request, responseHandler, executionContext); } /** *

* Lists the identities in a pool. *

* * @param listIdentitiesRequest Container for the necessary parameters to * execute the ListIdentities service method on AmazonCognitoIdentity. * * @return The response from the ListIdentities service method, as * returned by AmazonCognitoIdentity. * * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public ListIdentitiesResult listIdentities(ListIdentitiesRequest listIdentitiesRequest) { ExecutionContext executionContext = createExecutionContext(listIdentitiesRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new ListIdentitiesRequestMarshaller().marshall(listIdentitiesRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new ListIdentitiesResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Updates a user pool. *

* * @param updateIdentityPoolRequest Container for the necessary * parameters to execute the UpdateIdentityPool service method on * AmazonCognitoIdentity. * * @return The response from the UpdateIdentityPool service method, as * returned by AmazonCognitoIdentity. * * @throws ResourceConflictException * @throws InternalErrorException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * @throws ResourceNotFoundException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public UpdateIdentityPoolResult updateIdentityPool(UpdateIdentityPoolRequest updateIdentityPoolRequest) { ExecutionContext executionContext = createExecutionContext(updateIdentityPoolRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new UpdateIdentityPoolRequestMarshaller().marshall(updateIdentityPoolRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new UpdateIdentityPoolResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } /** *

* Creates a new identity pool. The identity pool is a store of user * identity information that is specific to your AWS account. *

* * @param createIdentityPoolRequest Container for the necessary * parameters to execute the CreateIdentityPool service method on * AmazonCognitoIdentity. * * @return The response from the CreateIdentityPool service method, as * returned by AmazonCognitoIdentity. * * @throws ResourceConflictException * @throws InternalErrorException * @throws LimitExceededException * @throws NotAuthorizedException * @throws InvalidParameterException * @throws TooManyRequestsException * * @throws AmazonClientException * If any internal errors are encountered inside the client while * attempting to make the request or handle the response. For example * if a network connection is not available. * @throws AmazonServiceException * If an error response is returned by AmazonCognitoIdentity indicating * either a problem with the data in the request, or a server side issue. */ public CreateIdentityPoolResult createIdentityPool(CreateIdentityPoolRequest createIdentityPoolRequest) { ExecutionContext executionContext = createExecutionContext(createIdentityPoolRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request request = null; Response response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new CreateIdentityPoolRequestMarshaller().marshall(createIdentityPoolRequest); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } Unmarshaller unmarshaller = new CreateIdentityPoolResultJsonUnmarshaller(); JsonResponseHandler responseHandler = new JsonResponseHandler(unmarshaller); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC); } } @Override public void setEndpoint(String endpoint) { super.setEndpoint(endpoint); } @Override public void setEndpoint(String endpoint, String serviceName, String regionId) throws IllegalArgumentException { super.setEndpoint(endpoint, serviceName, regionId); } /** * 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. *

* 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); } private Response invoke(Request request, HttpResponseHandler> responseHandler, ExecutionContext executionContext) { request.setEndpoint(endpoint); request.setTimeOffset(timeOffset); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); AWSCredentials credentials; awsRequestMetrics.startEvent(Field.CredentialsRequestTime); try { credentials = awsCredentialsProvider.getCredentials(); } finally { awsRequestMetrics.endEvent(Field.CredentialsRequestTime); } AmazonWebServiceRequest originalRequest = request.getOriginalRequest(); if (originalRequest != null && originalRequest.getRequestCredentials() != null) { credentials = originalRequest.getRequestCredentials(); } executionContext.setCredentials(credentials); JsonErrorResponseHandler errorResponseHandler = new JsonErrorResponseHandler(jsonErrorUnmarshallers); Response result = client.execute(request, responseHandler, errorResponseHandler, executionContext); return result; } }





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