/*
* Copyright 2010-2016 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.polly;
import java.util.*;
import com.amazonaws.*;
import com.amazonaws.auth.*;
import com.amazonaws.handlers.*;
import com.amazonaws.http.*;
import com.amazonaws.internal.*;
import com.amazonaws.metrics.*;
import com.amazonaws.transform.*;
import com.amazonaws.util.*;
import com.amazonaws.util.AWSRequestMetrics.Field;
import com.amazonaws.services.polly.model.*;
import com.amazonaws.services.polly.model.transform.*;
/**
* Client for accessing Amazon Polly. All service calls made using this client
* are blocking, and will not return until the service call completes.
* <p>
* <p>
* Amazon Polly is a web service that makes it easy to synthesize speech from
* text.
* </p>
* <p>
* The Amazon Polly service provides API operations for synthesizing
* high-quality speech from plain text and Speech Synthesis Markup Language
* (SSML), along with managing pronunciations lexicons that enable you to get
* the best results for your application domain.
* </p>
*/
public class AmazonPollyClient extends AmazonWebServiceClient implements AmazonPolly {
/** Provider for AWS credentials. */
private AWSCredentialsProvider awsCredentialsProvider;
/**
* List of exception unmarshallers for all Amazon Polly exceptions.
*/
protected List<JsonErrorUnmarshaller> jsonErrorUnmarshallers;
/**
* Constructs a new client to invoke service methods on AmazonPolly. 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
public AmazonPollyClient() {
this(new DefaultAWSCredentialsProviderChain(), new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on AmazonPolly. 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 AmazonPolly (ex: proxy settings,
* retry counts, etc.).
* @see DefaultAWSCredentialsProviderChain
*/
@Deprecated
public AmazonPollyClient(ClientConfiguration clientConfiguration) {
this(new DefaultAWSCredentialsProviderChain(), clientConfiguration);
}
/**
* Constructs a new client to invoke service methods on AmazonPolly using
* the specified AWS account credentials.
* <p>
* If AWS session credentials are passed in, then those credentials will be
* used to authenticate requests. Otherwise, if AWS long-term credentials
* are passed in, then session management will be handled automatically by
* the SDK. Callers are encouraged to use long-term credentials and let the
* SDK handle starting and renewing sessions.
* <p>
* Automatically managed sessions will be shared among all clients that use
* the same credentials and service endpoint. To opt out of this behavior,
* explicitly provide an instance of {@link AWSCredentialsProvider} that
* returns {@link AWSSessionCredentials}.
* <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.
*/
public AmazonPollyClient(AWSCredentials awsCredentials) {
this(awsCredentials, new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on AmazonPolly using
* the specified AWS account credentials and client configuration options.
* <p>
* If AWS session credentials are passed in, then those credentials will be
* used to authenticate requests. Otherwise, if AWS long-term credentials
* are passed in, then session management will be handled automatically by
* the SDK. Callers are encouraged to use long-term credentials and let the
* SDK handle starting and renewing sessions.
* <p>
* Automatically managed sessions will be shared among all clients that use
* the same credentials and service endpoint. To opt out of this behavior,
* explicitly provide an instance of {@link AWSCredentialsProvider} that
* returns {@link AWSSessionCredentials}.
* <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 AmazonPolly (ex: proxy settings,
* retry counts, etc.).
*/
public AmazonPollyClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) {
this(new StaticCredentialsProvider(awsCredentials), clientConfiguration);
}
/**
* Constructs a new client to invoke service methods on AmazonPolly using
* the specified AWS account credentials provider.
* <p>
* If AWS session credentials are passed in, then those credentials will be
* used to authenticate requests. Otherwise, if AWS long-term credentials
* are passed in, then session management will be handled automatically by
* the SDK. Callers are encouraged to use long-term credentials and let the
* SDK handle starting and renewing sessions.
* <p>
* Automatically managed sessions will be shared among all clients that use
* the same credentials and service endpoint. To opt out of this behavior,
* explicitly provide an instance of {@link AWSCredentialsProvider} that
* returns {@link AWSSessionCredentials}.
* <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.
*/
public AmazonPollyClient(AWSCredentialsProvider awsCredentialsProvider) {
this(awsCredentialsProvider, new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on AmazonPolly using
* the specified AWS account credentials provider and client configuration
* options.
* <p>
* If AWS session credentials are passed in, then those credentials will be
* used to authenticate requests. Otherwise, if AWS long-term credentials
* are passed in, then session management will be handled automatically by
* the SDK. Callers are encouraged to use long-term credentials and let the
* SDK handle starting and renewing sessions.
* <p>
* Automatically managed sessions will be shared among all clients that use
* the same credentials and service endpoint. To opt out of this behavior,
* explicitly provide an instance of {@link AWSCredentialsProvider} that
* returns {@link AWSSessionCredentials}.
* <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 AmazonPolly (ex: proxy settings,
* retry counts, etc.).
*/
public AmazonPollyClient(AWSCredentialsProvider awsCredentialsProvider,
ClientConfiguration clientConfiguration) {
this(awsCredentialsProvider, clientConfiguration, new UrlHttpClient(clientConfiguration));
}
/**
* Constructs a new client to invoke service methods on AmazonPolly 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 AmazonPolly (ex: proxy settings,
* retry counts, etc.).
* @param requestMetricCollector optional request metric collector
*/
@Deprecated
public AmazonPollyClient(AWSCredentialsProvider awsCredentialsProvider,
ClientConfiguration clientConfiguration,
RequestMetricCollector requestMetricCollector) {
super(adjustClientConfiguration(clientConfiguration), requestMetricCollector);
this.awsCredentialsProvider = awsCredentialsProvider;
init();
}
/**
* Constructs a new client to invoke service methods on AmazonPolly 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 AmazonPolly (ex: proxy settings,
* retry counts, etc.).
* @param httpClient A http client
*/
public AmazonPollyClient(AWSCredentialsProvider awsCredentialsProvider,
ClientConfiguration clientConfiguration, HttpClient httpClient) {
super(adjustClientConfiguration(clientConfiguration), httpClient);
this.awsCredentialsProvider = awsCredentialsProvider;
init();
}
private void init() {
jsonErrorUnmarshallers = new ArrayList<JsonErrorUnmarshaller>();
jsonErrorUnmarshallers.add(new InvalidLexiconExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new InvalidNextTokenExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new InvalidSampleRateExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new InvalidSsmlExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new LexiconNotFoundExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new LexiconSizeExceededExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new MaxLexemeLengthExceededExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new MaxLexiconsNumberExceededExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new ServiceFailureExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new TextLengthExceededExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new UnsupportedPlsAlphabetExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new UnsupportedPlsLanguageExceptionUnmarshaller());
jsonErrorUnmarshallers.add(new JsonErrorUnmarshaller());
// calling this.setEndPoint(...) will also modify the signer accordingly
this.setEndpoint("https://polly.us-east-1.amazonaws.com");
HandlerChainFactory chainFactory = new HandlerChainFactory();
requestHandler2s.addAll(chainFactory.newRequestHandlerChain(
"/com/amazonaws/services/polly/request.handlers"));
requestHandler2s.addAll(chainFactory.newRequestHandler2Chain(
"/com/amazonaws/services/polly/request.handler2s"));
}
private static ClientConfiguration adjustClientConfiguration(ClientConfiguration orig) {
ClientConfiguration config = orig;
return config;
}
/**
* <p>
* Deletes the specified pronunciation lexicon stored in an AWS Region. A
* lexicon which has been deleted is not available for speech synthesis, nor
* is it possible to retrieve it using either the <code>GetLexicon</code> or
* <code>ListLexicon</code> APIs.
* </p>
* <p>
* For more information, see <a href=
* "http://docs.aws.amazon.com/polly/latest/dg/managing-lexicons.html"
* >Managing Lexicons</a>.
* </p>
*
* @param deleteLexiconRequest
* @return deleteLexiconResult The response from the DeleteLexicon service
* method, as returned by Amazon Polly.
* @throws LexiconNotFoundException
* @throws ServiceFailureException
* @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 Amazon
* Polly indicating either a problem with the data in the
* request, or a server side issue.
*/
public DeleteLexiconResult deleteLexicon(DeleteLexiconRequest deleteLexiconRequest)
throws AmazonServiceException, AmazonClientException {
ExecutionContext executionContext = createExecutionContext(deleteLexiconRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<DeleteLexiconRequest> request = null;
Response<DeleteLexiconResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request = new DeleteLexiconRequestMarshaller().marshall(deleteLexiconRequest);
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
Unmarshaller<DeleteLexiconResult, JsonUnmarshallerContext> unmarshaller = new DeleteLexiconResultJsonUnmarshaller();
JsonResponseHandler<DeleteLexiconResult> responseHandler = new JsonResponseHandler<DeleteLexiconResult>(
unmarshaller);
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC);
}
}
/**
* <p>
* Returns the list of voices that are available for use when requesting
* speech synthesis. Each voice speaks a specified language, is either male
* or female, and is identified by an ID, which is the ASCII version of the
* voice name.
* </p>
* <p>
* When synthesizing speech ( <code>SynthesizeSpeech</code> ), you provide
* the voice ID for the voice you want from the list of voices returned by
* <code>DescribeVoices</code>.
* </p>
* <p>
* For example, you want your news reader application to read news in a
* specific language, but giving a user the option to choose the voice.
* Using the <code>DescribeVoices</code> operation you can provide the user
* with a list of available voices to select from.
* </p>
* <p>
* You can optionally specify a language code to filter the available
* voices. For example, if you specify <code>en-US</code>, the operation
* returns a list of all available US English voices.
* </p>
* <p>
* This operation requires permissions to perform the
* <code>polly:DescribeVoices</code> action.
* </p>
*
* @param describeVoicesRequest
* @return describeVoicesResult The response from the DescribeVoices service
* method, as returned by Amazon Polly.
* @throws InvalidNextTokenException
* @throws ServiceFailureException
* @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 Amazon
* Polly indicating either a problem with the data in the
* request, or a server side issue.
*/
public DescribeVoicesResult describeVoices(DescribeVoicesRequest describeVoicesRequest)
throws AmazonServiceException, AmazonClientException {
ExecutionContext executionContext = createExecutionContext(describeVoicesRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<DescribeVoicesRequest> request = null;
Response<DescribeVoicesResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request = new DescribeVoicesRequestMarshaller().marshall(describeVoicesRequest);
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
Unmarshaller<DescribeVoicesResult, JsonUnmarshallerContext> unmarshaller = new DescribeVoicesResultJsonUnmarshaller();
JsonResponseHandler<DescribeVoicesResult> responseHandler = new JsonResponseHandler<DescribeVoicesResult>(
unmarshaller);
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC);
}
}
/**
* <p>
* Returns the content of the specified pronunciation lexicon stored in an
* AWS Region. For more information, see <a href=
* "http://docs.aws.amazon.com/polly/latest/dg/managing-lexicons.html"
* >Managing Lexicons</a>.
* </p>
*
* @param getLexiconRequest
* @return getLexiconResult The response from the GetLexicon service method,
* as returned by Amazon Polly.
* @throws LexiconNotFoundException
* @throws ServiceFailureException
* @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 Amazon
* Polly indicating either a problem with the data in the
* request, or a server side issue.
*/
public GetLexiconResult getLexicon(GetLexiconRequest getLexiconRequest)
throws AmazonServiceException, AmazonClientException {
ExecutionContext executionContext = createExecutionContext(getLexiconRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<GetLexiconRequest> request = null;
Response<GetLexiconResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request = new GetLexiconRequestMarshaller().marshall(getLexiconRequest);
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
Unmarshaller<GetLexiconResult, JsonUnmarshallerContext> unmarshaller = new GetLexiconResultJsonUnmarshaller();
JsonResponseHandler<GetLexiconResult> responseHandler = new JsonResponseHandler<GetLexiconResult>(
unmarshaller);
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC);
}
}
/**
* <p>
* Returns a list of pronunciation lexicons stored in an AWS Region. For
* more information, see <a href=
* "http://docs.aws.amazon.com/polly/latest/dg/managing-lexicons.html"
* >Managing Lexicons</a>.
* </p>
*
* @param listLexiconsRequest
* @return listLexiconsResult The response from the ListLexicons service
* method, as returned by Amazon Polly.
* @throws InvalidNextTokenException
* @throws ServiceFailureException
* @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 Amazon
* Polly indicating either a problem with the data in the
* request, or a server side issue.
*/
public ListLexiconsResult listLexicons(ListLexiconsRequest listLexiconsRequest)
throws AmazonServiceException, AmazonClientException {
ExecutionContext executionContext = createExecutionContext(listLexiconsRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<ListLexiconsRequest> request = null;
Response<ListLexiconsResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request = new ListLexiconsRequestMarshaller().marshall(listLexiconsRequest);
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
Unmarshaller<ListLexiconsResult, JsonUnmarshallerContext> unmarshaller = new ListLexiconsResultJsonUnmarshaller();
JsonResponseHandler<ListLexiconsResult> responseHandler = new JsonResponseHandler<ListLexiconsResult>(
unmarshaller);
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC);
}
}
/**
* <p>
* Stores a pronunciation lexicon in an AWS Region. If a lexicon with the
* same name already exists in the region, it is overwritten by the new
* lexicon. Lexicon operations have eventual consistency, therefore, it
* might take some time before the lexicon is available to the
* SynthesizeSpeech operation.
* </p>
* <p>
* For more information, see <a href=
* "http://docs.aws.amazon.com/polly/latest/dg/managing-lexicons.html"
* >Managing Lexicons</a>.
* </p>
*
* @param putLexiconRequest
* @return putLexiconResult The response from the PutLexicon service method,
* as returned by Amazon Polly.
* @throws InvalidLexiconException
* @throws UnsupportedPlsAlphabetException
* @throws UnsupportedPlsLanguageException
* @throws LexiconSizeExceededException
* @throws MaxLexemeLengthExceededException
* @throws MaxLexiconsNumberExceededException
* @throws ServiceFailureException
* @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 Amazon
* Polly indicating either a problem with the data in the
* request, or a server side issue.
*/
public PutLexiconResult putLexicon(PutLexiconRequest putLexiconRequest)
throws AmazonServiceException, AmazonClientException {
ExecutionContext executionContext = createExecutionContext(putLexiconRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<PutLexiconRequest> request = null;
Response<PutLexiconResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request = new PutLexiconRequestMarshaller().marshall(putLexiconRequest);
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
Unmarshaller<PutLexiconResult, JsonUnmarshallerContext> unmarshaller = new PutLexiconResultJsonUnmarshaller();
JsonResponseHandler<PutLexiconResult> responseHandler = new JsonResponseHandler<PutLexiconResult>(
unmarshaller);
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC);
}
}
/**
* <p>
* Synthesizes UTF-8 input, plain text or SSML, to a stream of bytes. SSML
* input must be valid, well-formed SSML. Some alphabets might not be
* available with all the voices (for example, Cyrillic might not be read at
* all by English voices) unless phoneme mapping is used. For more
* information, see <a href=
* "http://docs.aws.amazon.com/polly/latest/dg/how-text-to-speech-works.html"
* >How it Works</a>.
* </p>
*
* @param synthesizeSpeechRequest
* @return synthesizeSpeechResult The response from the SynthesizeSpeech
* service method, as returned by Amazon Polly.
* @throws TextLengthExceededException
* @throws InvalidSampleRateException
* @throws InvalidSsmlException
* @throws LexiconNotFoundException
* @throws ServiceFailureException
* @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 Amazon
* Polly indicating either a problem with the data in the
* request, or a server side issue.
*/
public SynthesizeSpeechResult synthesizeSpeech(SynthesizeSpeechRequest synthesizeSpeechRequest)
throws AmazonServiceException, AmazonClientException {
ExecutionContext executionContext = createExecutionContext(synthesizeSpeechRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<SynthesizeSpeechRequest> request = null;
Response<SynthesizeSpeechResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request = new SynthesizeSpeechRequestMarshaller().marshall(synthesizeSpeechRequest);
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
Unmarshaller<SynthesizeSpeechResult, JsonUnmarshallerContext> unmarshaller = new SynthesizeSpeechResultJsonUnmarshaller();
JsonResponseHandler<SynthesizeSpeechResult> responseHandler = new JsonResponseHandler<SynthesizeSpeechResult>(
unmarshaller);
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response, LOGGING_AWS_REQUEST_METRIC);
}
}
/**
* 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.
* @deprecated ResponseMetadata cache can hold up to 50 requests and
* responses in memory and will cause memory issue. This method
* now always returns null.
*/
@Deprecated
public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request) {
return client.getResponseMetadataForRequest(request);
}
private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(Request<Y> request,
HttpResponseHandler<AmazonWebServiceResponse<X>> 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<X> result = client.execute(request, responseHandler,
errorResponseHandler, executionContext);
return result;
}
}