/*
* Copyright 2010-2011 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.sns;
import org.w3c.dom.Node;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map.Entry;
import com.amazonaws.*;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWS3Signer;
import com.amazonaws.auth.QueryStringSigner;
import com.amazonaws.handlers.HandlerChainFactory;
import com.amazonaws.handlers.RequestHandler;
import com.amazonaws.http.StaxResponseHandler;
import com.amazonaws.http.DefaultErrorResponseHandler;
import com.amazonaws.http.HttpClient;
import com.amazonaws.http.ExecutionContext;
import com.amazonaws.transform.Unmarshaller;
import com.amazonaws.transform.StaxUnmarshallerContext;
import com.amazonaws.transform.StandardErrorUnmarshaller;
import com.amazonaws.services.sns.model.*;
import com.amazonaws.services.sns.model.transform.*;
/**
* Client for accessing AmazonSNS. All service calls made
* using this client are blocking, and will not return until the service call
* completes.
* <p>
* Amazon Simple Notification Service
*/
public class AmazonSNSClient extends AmazonWebServiceClient implements AmazonSNS {
/**
* The AWS credentials (access key ID and secret key) to use when
* authenticating with AWS services.
*/
private AWSCredentials awsCredentials;
/**
* List of exception unmarshallers for all AmazonSNS exceptions.
*/
protected final List<Unmarshaller<AmazonServiceException, Node>> exceptionUnmarshallers;
/** Low level client for sending requests to AWS services. */
protected final HttpClient client;
/** Optional request handlers for additional request processing. */
private final List<RequestHandler> requestHandlers;
/** AWS signer for authenticating requests. */
private QueryStringSigner signer;
/**
* Constructs a new client to invoke service methods on
* AmazonSNS 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.
*/
public AmazonSNSClient(AWSCredentials awsCredentials) {
this(awsCredentials, new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on
* AmazonSNS 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 AmazonSNS
* (ex: proxy settings, retry counts, etc.).
*/
public AmazonSNSClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) {
super(clientConfiguration);
this.awsCredentials = awsCredentials;
exceptionUnmarshallers = new ArrayList<Unmarshaller<AmazonServiceException, Node>>();
exceptionUnmarshallers.add(new AuthorizationErrorExceptionUnmarshaller());
exceptionUnmarshallers.add(new TopicLimitExceededExceptionUnmarshaller());
exceptionUnmarshallers.add(new NotFoundExceptionUnmarshaller());
exceptionUnmarshallers.add(new InternalErrorExceptionUnmarshaller());
exceptionUnmarshallers.add(new SubscriptionLimitExceededExceptionUnmarshaller());
exceptionUnmarshallers.add(new InvalidParameterExceptionUnmarshaller());
exceptionUnmarshallers.add(new StandardErrorUnmarshaller());
setEndpoint("sns.us-east-1.amazonaws.com");
signer = new QueryStringSigner();
HandlerChainFactory chainFactory = new HandlerChainFactory();
requestHandlers = Collections.synchronizedList(chainFactory.newRequestHandlerChain(
"/com/amazonaws/services/sns/request.handlers"));
client = new HttpClient(clientConfiguration);
}
/**
* Appends a request handler to the list of registered handlers that are run
* as part of a request's lifecycle.
*
* @param requestHandler
* The new handler to add to the current list of request
* handlers.
*/
public void addRequestHandler(RequestHandler requestHandler) {
requestHandlers.add(requestHandler);
}
/**
* <p>
* The ConfirmSubscription action verifies an endpoint owner's intent to
* receive messages by validating the token sent to the endpoint by an
* earlier Subscribe action. If the token is valid, the action creates a
* new subscription and returns its Amazon Resource Name (ARN). This call
* requires an AWS signature only when the AuthenticateOnUnsubscribe flag
* is set to "true".
* </p>
*
* @param confirmSubscriptionRequest Container for the necessary
* parameters to execute the ConfirmSubscription service method on
* AmazonSNS.
*
* @return The response from the ConfirmSubscription service method, as
* returned by AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws SubscriptionLimitExceededException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ConfirmSubscriptionResult confirmSubscription(ConfirmSubscriptionRequest confirmSubscriptionRequest)
throws AmazonServiceException, AmazonClientException {
Request<ConfirmSubscriptionRequest> request = new ConfirmSubscriptionRequestMarshaller().marshall(confirmSubscriptionRequest);
return invoke(request, new ConfirmSubscriptionResultStaxUnmarshaller());
}
/**
* <p>
* The GetTopicAttribtues action returns all of the properties of a topic
* customers have created. Topic properties returned might differ based
* on the authorization of the user.
* </p>
*
* @param getTopicAttributesRequest Container for the necessary
* parameters to execute the GetTopicAttributes service method on
* AmazonSNS.
*
* @return The response from the GetTopicAttributes service method, as
* returned by AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public GetTopicAttributesResult getTopicAttributes(GetTopicAttributesRequest getTopicAttributesRequest)
throws AmazonServiceException, AmazonClientException {
Request<GetTopicAttributesRequest> request = new GetTopicAttributesRequestMarshaller().marshall(getTopicAttributesRequest);
return invoke(request, new GetTopicAttributesResultStaxUnmarshaller());
}
/**
* <p>
* The Subscribe action prepares to subscribe an endpoint by sending the
* endpoint a confirmation message. To actually create a subscription,
* the endpoint owner must call the ConfirmSubscription action with the
* token from the confirmation message. Confirmation tokens are valid for
* twenty-four hours.
* </p>
*
* @param subscribeRequest Container for the necessary parameters to
* execute the Subscribe service method on AmazonSNS.
*
* @return The response from the Subscribe service method, as returned by
* AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws SubscriptionLimitExceededException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public SubscribeResult subscribe(SubscribeRequest subscribeRequest)
throws AmazonServiceException, AmazonClientException {
Request<SubscribeRequest> request = new SubscribeRequestMarshaller().marshall(subscribeRequest);
return invoke(request, new SubscribeResultStaxUnmarshaller());
}
/**
* <p>
* The SetTopicAttributes action allows a topic owner to set an attribute
* of the topic to a new value.
* </p>
*
* @param setTopicAttributesRequest Container for the necessary
* parameters to execute the SetTopicAttributes service method on
* AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void setTopicAttributes(SetTopicAttributesRequest setTopicAttributesRequest)
throws AmazonServiceException, AmazonClientException {
Request<SetTopicAttributesRequest> request = new SetTopicAttributesRequestMarshaller().marshall(setTopicAttributesRequest);
invoke(request, null);
}
/**
* <p>
* The DeleteTopic action deletes a topic and all its subscriptions.
* Deleting a topic might prevent some messages previously sent to the
* topic from being delivered to subscribers. This action is idempotent,
* so deleting a topic that does not exist will not result in an error.
* </p>
*
* @param deleteTopicRequest Container for the necessary parameters to
* execute the DeleteTopic service method on AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void deleteTopic(DeleteTopicRequest deleteTopicRequest)
throws AmazonServiceException, AmazonClientException {
Request<DeleteTopicRequest> request = new DeleteTopicRequestMarshaller().marshall(deleteTopicRequest);
invoke(request, null);
}
/**
* <p>
* The RemovePermission action removes a statement from a topic's access
* control policy.
* </p>
*
* @param removePermissionRequest Container for the necessary parameters
* to execute the RemovePermission service method on AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void removePermission(RemovePermissionRequest removePermissionRequest)
throws AmazonServiceException, AmazonClientException {
Request<RemovePermissionRequest> request = new RemovePermissionRequestMarshaller().marshall(removePermissionRequest);
invoke(request, null);
}
/**
* <p>
* The ListSubscriptions action returns a list of the requester's
* subscriptions. Each call returns a limited list of subscriptions. If
* there are more subscriptions, a NextToken is also returned. Use the
* NextToken parameter in a new ListSubscriptions call to get further
* results.
* </p>
*
* @param listSubscriptionsRequest Container for the necessary parameters
* to execute the ListSubscriptions service method on AmazonSNS.
*
* @return The response from the ListSubscriptions service method, as
* returned by AmazonSNS.
*
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListSubscriptionsResult listSubscriptions(ListSubscriptionsRequest listSubscriptionsRequest)
throws AmazonServiceException, AmazonClientException {
Request<ListSubscriptionsRequest> request = new ListSubscriptionsRequestMarshaller().marshall(listSubscriptionsRequest);
return invoke(request, new ListSubscriptionsResultStaxUnmarshaller());
}
/**
* <p>
* The AddPermission action adds a statement to a topic's access control
* policy, granting access for the specified AWS accounts to the
* specified actions.
* </p>
*
* @param addPermissionRequest Container for the necessary parameters to
* execute the AddPermission service method on AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void addPermission(AddPermissionRequest addPermissionRequest)
throws AmazonServiceException, AmazonClientException {
Request<AddPermissionRequest> request = new AddPermissionRequestMarshaller().marshall(addPermissionRequest);
invoke(request, null);
}
/**
* <p>
* The CreateTopic action creates a topic to which notifications can be
* published. Users can create at most 25 topics. This action is
* idempotent, so if the requester already owns a topic with the
* specified name, that topic's ARN will be returned without creating a
* new topic.
* </p>
*
* @param createTopicRequest Container for the necessary parameters to
* execute the CreateTopic service method on AmazonSNS.
*
* @return The response from the CreateTopic service method, as returned
* by AmazonSNS.
*
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
* @throws TopicLimitExceededException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public CreateTopicResult createTopic(CreateTopicRequest createTopicRequest)
throws AmazonServiceException, AmazonClientException {
Request<CreateTopicRequest> request = new CreateTopicRequestMarshaller().marshall(createTopicRequest);
return invoke(request, new CreateTopicResultStaxUnmarshaller());
}
/**
* <p>
* The ListTopics action returns a list of the requester's topics. Each
* call returns a limited list of topics. If there are more topics, a
* NextToken is also returned. Use the NextToken parameter in a new
* ListTopics call to get further results.
* </p>
*
* @param listTopicsRequest Container for the necessary parameters to
* execute the ListTopics service method on AmazonSNS.
*
* @return The response from the ListTopics service method, as returned
* by AmazonSNS.
*
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListTopicsResult listTopics(ListTopicsRequest listTopicsRequest)
throws AmazonServiceException, AmazonClientException {
Request<ListTopicsRequest> request = new ListTopicsRequestMarshaller().marshall(listTopicsRequest);
return invoke(request, new ListTopicsResultStaxUnmarshaller());
}
/**
* <p>
* The Unsubscribe action deletes a subscription. If the subscription
* requires authentication for deletion, only the owner of the
* subscription or the its topic's owner can unsubscribe, and an AWS
* signature is required. If the Unsubscribe call does not require
* authentication and the requester is not the subscription owner, a
* final cancellation message is delivered to the endpoint, so that the
* endpoint owner can easily resubscribe to the topic if the Unsubscribe
* request was unintended.
* </p>
*
* @param unsubscribeRequest Container for the necessary parameters to
* execute the Unsubscribe service method on AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void unsubscribe(UnsubscribeRequest unsubscribeRequest)
throws AmazonServiceException, AmazonClientException {
Request<UnsubscribeRequest> request = new UnsubscribeRequestMarshaller().marshall(unsubscribeRequest);
invoke(request, null);
}
/**
* <p>
* The ListSubscriptionsByTopic action returns a list of the
* subscriptions to a specific topic. Each call returns a limited list of
* subscriptions. If there are more subscriptions, a NextToken is also
* returned. Use the NextToken parameter in a new
* ListSubscriptionsByTopic call to get further results.
* </p>
*
* @param listSubscriptionsByTopicRequest Container for the necessary
* parameters to execute the ListSubscriptionsByTopic service method on
* AmazonSNS.
*
* @return The response from the ListSubscriptionsByTopic service method,
* as returned by AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListSubscriptionsByTopicResult listSubscriptionsByTopic(ListSubscriptionsByTopicRequest listSubscriptionsByTopicRequest)
throws AmazonServiceException, AmazonClientException {
Request<ListSubscriptionsByTopicRequest> request = new ListSubscriptionsByTopicRequestMarshaller().marshall(listSubscriptionsByTopicRequest);
return invoke(request, new ListSubscriptionsByTopicResultStaxUnmarshaller());
}
/**
* <p>
* The Publish action sends a message to all of a topic's subscribed
* endpoints. When a messageId is returned, the message has been saved
* and Amazon SNS will attempt to deliver it to the topic's subscribers
* shortly. The format of the outgoing message to each subscribed
* endpoint depends on the notification protocol selected.
* </p>
*
* @param publishRequest Container for the necessary parameters to
* execute the Publish service method on AmazonSNS.
*
* @return The response from the Publish service method, as returned by
* AmazonSNS.
*
* @throws NotFoundException
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public PublishResult publish(PublishRequest publishRequest)
throws AmazonServiceException, AmazonClientException {
Request<PublishRequest> request = new PublishRequestMarshaller().marshall(publishRequest);
return invoke(request, new PublishResultStaxUnmarshaller());
}
/**
* <p>
* The ListSubscriptions action returns a list of the requester's
* subscriptions. Each call returns a limited list of subscriptions. If
* there are more subscriptions, a NextToken is also returned. Use the
* NextToken parameter in a new ListSubscriptions call to get further
* results.
* </p>
*
* @return The response from the ListSubscriptions service method, as
* returned by AmazonSNS.
*
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListSubscriptionsResult listSubscriptions() throws AmazonServiceException, AmazonClientException {
return listSubscriptions(new ListSubscriptionsRequest());
}
/**
* <p>
* The ListTopics action returns a list of the requester's topics. Each
* call returns a limited list of topics. If there are more topics, a
* NextToken is also returned. Use the NextToken parameter in a new
* ListTopics call to get further results.
* </p>
*
* @return The response from the ListTopics service method, as returned
* by AmazonSNS.
*
* @throws AuthorizationErrorException
* @throws InternalErrorException
* @throws InvalidParameterException
*
* @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 AmazonSNS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListTopicsResult listTopics() throws AmazonServiceException, AmazonClientException {
return listTopics(new ListTopicsRequest());
}
/**
* 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);
}
private <X, Y extends AmazonWebServiceRequest> X invoke(Request<Y> request, Unmarshaller<X, StaxUnmarshallerContext> unmarshaller) {
request.setEndpoint(endpoint);
for (Entry<String, String> entry : request.getOriginalRequest().copyPrivateRequestParameters().entrySet()) {
request.addParameter(entry.getKey(), entry.getValue());
}
// Apply any additional service specific request handlers that need to be run
if (requestHandlers != null) {
for (RequestHandler requestHandler : requestHandlers) {
requestHandler.beforeRequest(request);
}
}
if (request.getOriginalRequest().getRequestCredentials() != null) {
signer.sign(request, request.getOriginalRequest().getRequestCredentials());
} else {
signer.sign(request, awsCredentials);
}
StaxResponseHandler<X> responseHandler = new StaxResponseHandler<X>(unmarshaller);
DefaultErrorResponseHandler errorResponseHandler = new DefaultErrorResponseHandler(exceptionUnmarshallers);
ExecutionContext executionContext = new ExecutionContext(requestHandlers);
return (X)client.execute(request, responseHandler, errorResponseHandler, executionContext);
}
}