com.amazonaws.services.sqs.AmazonSQSClient Maven / Gradle / Ivy
/*
* Copyright 2010-2013 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.sqs;
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.*;
import com.amazonaws.handlers.HandlerChainFactory;
import com.amazonaws.handlers.RequestHandler;
import com.amazonaws.http.StaxResponseHandler;
import com.amazonaws.http.DefaultErrorResponseHandler;
import com.amazonaws.http.ExecutionContext;
import com.amazonaws.internal.StaticCredentialsProvider;
import com.amazonaws.transform.Unmarshaller;
import com.amazonaws.transform.StaxUnmarshallerContext;
import com.amazonaws.transform.StandardErrorUnmarshaller;
import com.amazonaws.services.sqs.model.*;
import com.amazonaws.services.sqs.model.transform.*;
/**
* Client for accessing AmazonSQS. All service calls made
* using this client are blocking, and will not return until the service call
* completes.
*
* Amazon Simple Queue Service
* Amazon Simple Queue Service (Amazon SQS) offers a reliable, highly scalable, hosted queue for storing messages as they travel between computers. By
* using Amazon SQS, developers can simply move data between distributed components of their applications that perform different tasks, without losing
* messages or requiring each component to be always available. Amazon SQS makes it easy to build an automated workflow, working in close conjunction
* with the Amazon Elastic Compute Cloud (Amazon EC2) and the other AWS infrastructure web services.
*
*
* Amazon SQS works by exposing Amazon's web-scale messaging infrastructure as a web service. Any computer on the Internet can add or read messages
* without any installed software or special firewall configurations. Components of applications using Amazon SQS can run independently, and do not need
* to be on the same network, developed with the same technologies, or running at the same time.
*
*
* Visit http://aws.amazon.com/sqs/ for more information.
*
*/
public class AmazonSQSClient extends AmazonWebServiceClient implements AmazonSQS {
/** Provider for AWS credentials. */
private AWSCredentialsProvider awsCredentialsProvider;
/**
* List of exception unmarshallers for all AmazonSQS exceptions.
*/
protected final List> exceptionUnmarshallers
= new ArrayList>();
/** AWS signer for authenticating requests. */
private AWS4Signer signer;
/**
* Constructs a new client to invoke service methods on
* AmazonSQS. 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 DefaultAWSCredentialsProvider
*/
public AmazonSQSClient() {
this(new DefaultAWSCredentialsProviderChain(), new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on
* AmazonSQS. 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 AmazonSQS
* (ex: proxy settings, retry counts, etc.).
*
* @see DefaultAWSCredentialsProvider
*/
public AmazonSQSClient(ClientConfiguration clientConfiguration) {
this(new DefaultAWSCredentialsProviderChain(), clientConfiguration);
}
/**
* Constructs a new client to invoke service methods on
* AmazonSQS 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 AmazonSQSClient(AWSCredentials awsCredentials) {
this(awsCredentials, new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on
* AmazonSQS 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 AmazonSQS
* (ex: proxy settings, retry counts, etc.).
*/
public AmazonSQSClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) {
super(clientConfiguration);
this.awsCredentialsProvider = new StaticCredentialsProvider(awsCredentials);
init();
}
/**
* Constructs a new client to invoke service methods on
* AmazonSQS 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 AmazonSQSClient(AWSCredentialsProvider awsCredentialsProvider) {
this(awsCredentialsProvider, new ClientConfiguration());
}
/**
* Constructs a new client to invoke service methods on
* AmazonSQS 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 AmazonSQS
* (ex: proxy settings, retry counts, etc.).
*/
public AmazonSQSClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration) {
super(clientConfiguration);
this.awsCredentialsProvider = awsCredentialsProvider;
init();
}
private void init() {
exceptionUnmarshallers.add(new QueueDeletedRecentlyExceptionUnmarshaller());
exceptionUnmarshallers.add(new QueueNameExistsExceptionUnmarshaller());
exceptionUnmarshallers.add(new EmptyBatchRequestExceptionUnmarshaller());
exceptionUnmarshallers.add(new InvalidMessageContentsExceptionUnmarshaller());
exceptionUnmarshallers.add(new InvalidBatchEntryIdExceptionUnmarshaller());
exceptionUnmarshallers.add(new OverLimitExceptionUnmarshaller());
exceptionUnmarshallers.add(new TooManyEntriesInBatchRequestExceptionUnmarshaller());
exceptionUnmarshallers.add(new InvalidIdFormatExceptionUnmarshaller());
exceptionUnmarshallers.add(new QueueDoesNotExistExceptionUnmarshaller());
exceptionUnmarshallers.add(new InvalidAttributeNameExceptionUnmarshaller());
exceptionUnmarshallers.add(new BatchRequestTooLongExceptionUnmarshaller());
exceptionUnmarshallers.add(new ReceiptHandleIsInvalidExceptionUnmarshaller());
exceptionUnmarshallers.add(new MessageNotInflightExceptionUnmarshaller());
exceptionUnmarshallers.add(new BatchEntryIdsNotDistinctExceptionUnmarshaller());
exceptionUnmarshallers.add(new StandardErrorUnmarshaller());
setEndpoint("sqs.us-east-1.amazonaws.com");
signer = new AWS4Signer();
HandlerChainFactory chainFactory = new HandlerChainFactory();
requestHandlers.addAll(chainFactory.newRequestHandlerChain(
"/com/amazonaws/services/sqs/request.handlers"));
}
/**
*
* Sets the value of one or more queue attributes. Valid attributes that
* can be set are [VisibilityTimeout, Policy, MaximumMessageSize,
* MessageRetentionPeriod, ReceiveMessageWaitTimeSeconds].
*
*
* @param setQueueAttributesRequest Container for the necessary
* parameters to execute the SetQueueAttributes service method on
* AmazonSQS.
*
* @throws InvalidAttributeNameException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void setQueueAttributes(SetQueueAttributesRequest setQueueAttributesRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new SetQueueAttributesRequestMarshaller().marshall(setQueueAttributesRequest);
invoke(request, null);
}
/**
*
* This is a batch version of ChangeMessageVisibility. It takes multiple
* receipt handles and performs the operation on each of the them. The
* result of the operation on each message is reported individually in
* the response.
*
*
* @param changeMessageVisibilityBatchRequest Container for the necessary
* parameters to execute the ChangeMessageVisibilityBatch service method
* on AmazonSQS.
*
* @return The response from the ChangeMessageVisibilityBatch service
* method, as returned by AmazonSQS.
*
* @throws BatchEntryIdsNotDistinctException
* @throws TooManyEntriesInBatchRequestException
* @throws InvalidBatchEntryIdException
* @throws EmptyBatchRequestException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ChangeMessageVisibilityBatchResult changeMessageVisibilityBatch(ChangeMessageVisibilityBatchRequest changeMessageVisibilityBatchRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new ChangeMessageVisibilityBatchRequestMarshaller().marshall(changeMessageVisibilityBatchRequest);
return invoke(request, new ChangeMessageVisibilityBatchResultStaxUnmarshaller());
}
/**
*
* The ChangeMessageVisibility action changes the visibility
* timeout of a specified message in a queue to a new value. The maximum
* allowed timeout value you can set the value to is 12 hours. This means
* you can't extend the timeout of a message in an existing queue to more
* than a total visibility timeout of 12 hours. (For more information
* visibility timeout, see
* Visibility Timeout in the Amazon SQS Developer Guide.)
*
*
* For example, let's say you have a message and its default message
* visibility timeout is 30 minutes. You could call
* ChangeMessageVisiblity with a value of two hours and the
* effective timeout would be two hours and 30 minutes. When that time
* comes near you could again extend the time out by calling
* ChangeMessageVisiblity, but this time the maximum allowed timeout
* would be 9 hours and 30 minutes.
*
*
* IMPORTANT:If you attempt to set the VisibilityTimeout to an
* amount more than the maximum time left, Amazon SQS returns an error.
* It will not automatically recalculate and increase the timeout to the
* maximum time remaining.
*
*
* IMPORTANT:Unlike with a queue, when you change the visibility
* timeout for a specific message, that timeout value is applied
* immediately but is not saved in memory for that message. If you don't
* delete a message after it is received, the visibility timeout for the
* message the next time it is received reverts to the original timeout
* value, not the value you set with the ChangeMessageVisibility action.
*
*
* @param changeMessageVisibilityRequest Container for the necessary
* parameters to execute the ChangeMessageVisibility service method on
* AmazonSQS.
*
* @throws ReceiptHandleIsInvalidException
* @throws MessageNotInflightException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void changeMessageVisibility(ChangeMessageVisibilityRequest changeMessageVisibilityRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new ChangeMessageVisibilityRequestMarshaller().marshall(changeMessageVisibilityRequest);
invoke(request, null);
}
/**
*
* The GetQueueUrl action returns the URL of an existing
* queue.
*
*
* @param getQueueUrlRequest Container for the necessary parameters to
* execute the GetQueueUrl service method on AmazonSQS.
*
* @return The response from the GetQueueUrl service method, as returned
* by AmazonSQS.
*
* @throws QueueDoesNotExistException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public GetQueueUrlResult getQueueUrl(GetQueueUrlRequest getQueueUrlRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new GetQueueUrlRequestMarshaller().marshall(getQueueUrlRequest);
return invoke(request, new GetQueueUrlResultStaxUnmarshaller());
}
/**
*
* The RemovePermission action revokes any permissions in
* the queue policy that matches the specified Label
* parameter. Only the owner of the queue can remove permissions.
*
*
* @param removePermissionRequest Container for the necessary parameters
* to execute the RemovePermission service method on AmazonSQS.
*
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void removePermission(RemovePermissionRequest removePermissionRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new RemovePermissionRequestMarshaller().marshall(removePermissionRequest);
invoke(request, null);
}
/**
*
* Gets attributes for the specified queue. The following attributes are
* supported:
*
* -
All - returns all values.
* -
ApproximateNumberOfMessages - returns the
* approximate number of visible messages in a queue. For more
* information, see Resources Required to Process Messages in the Amazon
* SQS Developer Guide.
* -
ApproximateNumberOfMessagesNotVisible - returns the
* approximate number of messages that are not timed-out and not deleted.
* For more information, see Resources Required to Process Messages in
* the Amazon SQS Developer Guide.
* -
VisibilityTimeout - returns the visibility timeout
* for the queue. For more information about visibility timeout, see
* Visibility Timeout in the Amazon SQS Developer Guide.
* -
CreatedTimestamp - returns the time when the queue
* was created (epoch time in seconds).
* -
LastModifiedTimestamp - returns the time when the
* queue was last changed (epoch time in seconds).
* -
Policy - returns the queue's policy.
* -
MaximumMessageSize - returns the limit of how many
* bytes a message can contain before Amazon SQS rejects it.
* -
MessageRetentionPeriod - returns the number of
* seconds Amazon SQS retains a message.
* -
QueueArn - returns the queue's Amazon resource name
* (ARN).
* -
ApproximateNumberOfMessagesDelayed - returns the
* approximate number of messages that are pending to be added to the
* queue.
* -
DelaySeconds - returns the default delay on the
* queue in seconds.
* -
ReceiveMessageWaitTimeSeconds - returns the time
* for which a ReceiveMessage call will wait for a message to
* arrive.
*
*
*
*
*
* @param getQueueAttributesRequest Container for the necessary
* parameters to execute the GetQueueAttributes service method on
* AmazonSQS.
*
* @return The response from the GetQueueAttributes service method, as
* returned by AmazonSQS.
*
* @throws InvalidAttributeNameException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public GetQueueAttributesResult getQueueAttributes(GetQueueAttributesRequest getQueueAttributesRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new GetQueueAttributesRequestMarshaller().marshall(getQueueAttributesRequest);
return invoke(request, new GetQueueAttributesResultStaxUnmarshaller());
}
/**
*
* This is a batch version of SendMessage. It takes multiple messages and
* adds each of them to the queue. The result of each add operation is
* reported individually in the response.
*
*
* @param sendMessageBatchRequest Container for the necessary parameters
* to execute the SendMessageBatch service method on AmazonSQS.
*
* @return The response from the SendMessageBatch service method, as
* returned by AmazonSQS.
*
* @throws BatchEntryIdsNotDistinctException
* @throws TooManyEntriesInBatchRequestException
* @throws BatchRequestTooLongException
* @throws InvalidBatchEntryIdException
* @throws EmptyBatchRequestException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public SendMessageBatchResult sendMessageBatch(SendMessageBatchRequest sendMessageBatchRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new SendMessageBatchRequestMarshaller().marshall(sendMessageBatchRequest);
return invoke(request, new SendMessageBatchResultStaxUnmarshaller());
}
/**
*
* This action unconditionally deletes the queue specified by the queue
* URL. Use this operation WITH CARE! The queue is deleted even if it is
* NOT empty.
*
*
* Once a queue has been deleted, the queue name is unavailable for use
* with new queues for 60 seconds.
*
*
* @param deleteQueueRequest Container for the necessary parameters to
* execute the DeleteQueue service method on AmazonSQS.
*
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void deleteQueue(DeleteQueueRequest deleteQueueRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new DeleteQueueRequestMarshaller().marshall(deleteQueueRequest);
invoke(request, null);
}
/**
*
* The SendMessage action delivers a message to the
* specified queue.
*
*
* @param sendMessageRequest Container for the necessary parameters to
* execute the SendMessage service method on AmazonSQS.
*
* @return The response from the SendMessage service method, as returned
* by AmazonSQS.
*
* @throws InvalidMessageContentsException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public SendMessageResult sendMessage(SendMessageRequest sendMessageRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new SendMessageRequestMarshaller().marshall(sendMessageRequest);
return invoke(request, new SendMessageResultStaxUnmarshaller());
}
/**
*
* Retrieves one or more messages from the specified queue, including the
* message body and message ID of each message. Messages returned by this
* action stay in the queue until you delete them. However, once a
* message is returned to a ReceiveMessage request, it is
* not returned on subsequent ReceiveMessage requests for
* the duration of the VisibilityTimeout . If you do not
* specify a VisibilityTimeout in the request, the overall
* visibility timeout for the queue is used for the returned messages.
*
*
* If a message is available in the queue, the call will return
* immediately. Otherwise, it will wait up to
* WaitTimeSeconds for a message to arrive. If you do not
* specify WaitTimeSeconds in the request, the queue
* attribute ReceiveMessageWaitTimeSeconds is used to determine how long
* to wait.
*
*
* You could ask for additional information about each message through
* the attributes. Attributes that can be requested are [SenderId,
* ApproximateFirstReceiveTimestamp, ApproximateReceiveCount,
* SentTimestamp] .
*
*
* @param receiveMessageRequest Container for the necessary parameters to
* execute the ReceiveMessage service method on AmazonSQS.
*
* @return The response from the ReceiveMessage service method, as
* returned by AmazonSQS.
*
* @throws OverLimitException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ReceiveMessageResult receiveMessage(ReceiveMessageRequest receiveMessageRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new ReceiveMessageRequestMarshaller().marshall(receiveMessageRequest);
return invoke(request, new ReceiveMessageResultStaxUnmarshaller());
}
/**
*
* Returns a list of your queues.
*
*
* @param listQueuesRequest Container for the necessary parameters to
* execute the ListQueues service method on AmazonSQS.
*
* @return The response from the ListQueues service method, as returned
* by AmazonSQS.
*
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListQueuesResult listQueues(ListQueuesRequest listQueuesRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new ListQueuesRequestMarshaller().marshall(listQueuesRequest);
return invoke(request, new ListQueuesResultStaxUnmarshaller());
}
/**
*
* This is a batch version of DeleteMessage. It takes multiple receipt
* handles and deletes each one of the messages. The result of the delete
* operation on each message is reported individually in the response.
*
*
* @param deleteMessageBatchRequest Container for the necessary
* parameters to execute the DeleteMessageBatch service method on
* AmazonSQS.
*
* @return The response from the DeleteMessageBatch service method, as
* returned by AmazonSQS.
*
* @throws BatchEntryIdsNotDistinctException
* @throws TooManyEntriesInBatchRequestException
* @throws InvalidBatchEntryIdException
* @throws EmptyBatchRequestException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public DeleteMessageBatchResult deleteMessageBatch(DeleteMessageBatchRequest deleteMessageBatchRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new DeleteMessageBatchRequestMarshaller().marshall(deleteMessageBatchRequest);
return invoke(request, new DeleteMessageBatchResultStaxUnmarshaller());
}
/**
*
* The CreateQueue action creates a new queue, or returns
* the URL of an existing one. When you request CreateQueue
* , you provide a name for the queue. To successfully create a new
* queue, you must provide a name that is unique within the scope of your
* own queues.
*
*
* You may pass one or more attributes in the request. If you do not
* provide a value for any attribute, the queue will have the default
* value for that attribute. Permitted attributes are the same that can
* be set using SetQueueAttributes.
*
*
* If you provide the name of an existing queue, a new queue isn't
* created. If the values of attributes provided with the request match
* up with those on the existing queue, the queue URL is returned.
* Otherwise, a QueueNameExists error is returned.
*
*
* @param createQueueRequest Container for the necessary parameters to
* execute the CreateQueue service method on AmazonSQS.
*
* @return The response from the CreateQueue service method, as returned
* by AmazonSQS.
*
* @throws QueueNameExistsException
* @throws QueueDeletedRecentlyException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public CreateQueueResult createQueue(CreateQueueRequest createQueueRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new CreateQueueRequestMarshaller().marshall(createQueueRequest);
return invoke(request, new CreateQueueResultStaxUnmarshaller());
}
/**
*
* The AddPermission action adds a permission to a queue for a specific
*
* principal . This allows for sharing access to the queue.
*
*
* When you create a queue, you have full control access rights for the
* queue. Only you (as owner of the queue) can grant or deny permissions
* to the queue. For more information about these permissions, see
* Shared Queues in the Amazon SQS Developer Guide.
*
*
* AddPermission writes an SQS-generated policy. If you
* want to write your own policy, use SetQueueAttributes to upload your
* policy. For more information about writing your own policy, see
* Appendix: The Access Policy Language in the Amazon SQS Developer
* Guide.
*
*
* @param addPermissionRequest Container for the necessary parameters to
* execute the AddPermission service method on AmazonSQS.
*
* @throws OverLimitException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void addPermission(AddPermissionRequest addPermissionRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new AddPermissionRequestMarshaller().marshall(addPermissionRequest);
invoke(request, null);
}
/**
*
* The DeleteMessage action unconditionally removes the
* specified message from the specified queue. Even if the message is
* locked by another reader due to the visibility timeout setting, it is
* still deleted from the queue.
*
*
* @param deleteMessageRequest Container for the necessary parameters to
* execute the DeleteMessage service method on AmazonSQS.
*
* @throws ReceiptHandleIsInvalidException
* @throws InvalidIdFormatException
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public void deleteMessage(DeleteMessageRequest deleteMessageRequest)
throws AmazonServiceException, AmazonClientException {
Request request = new DeleteMessageRequestMarshaller().marshall(deleteMessageRequest);
invoke(request, null);
}
/**
*
* Returns a list of your queues.
*
*
* @return The response from the ListQueues service method, as returned
* by AmazonSQS.
*
*
* @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 AmazonSQS indicating
* either a problem with the data in the request, or a server side issue.
*/
public ListQueuesResult listQueues() throws AmazonServiceException, AmazonClientException {
return listQueues(new ListQueuesRequest());
}
/**
* Overrides the default endpoint for this client ("sqs.us-east-1.amazonaws.com") and explicitly provides
* an AWS region ID and AWS service name to use when the client calculates a signature
* for requests. In almost all cases, this region ID and service name
* are automatically determined from the endpoint, and callers should use the simpler
* one-argument form of setEndpoint instead of this method.
*
* This method is not threadsafe. Endpoints should be configured when the
* client is created and before any service requests are made. Changing it
* afterwards creates inevitable race conditions for any service requests in
* transit.
*
* Callers can pass in just the endpoint (ex: "sqs.us-east-1.amazonaws.com") or a full
* URL, including the protocol (ex: "sqs.us-east-1.amazonaws.com"). If the
* protocol is not specified here, the default protocol from this client's
* {@link ClientConfiguration} will be used, which by default is HTTPS.
*
* For more information on using AWS regions with the AWS SDK for Java, and
* a complete list of all available endpoints for all AWS services, see:
*
* http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912
*
* @param endpoint
* The endpoint (ex: "sqs.us-east-1.amazonaws.com") or a full URL,
* including the protocol (ex: "sqs.us-east-1.amazonaws.com") of
* the region specific AWS endpoint this client will communicate
* with.
* @param serviceName
* The name of the AWS service to use when signing requests.
* @param regionId
* The ID of the region in which this service resides.
*
* @throws IllegalArgumentException
* If any problems are detected with the specified endpoint.
*/
public void setEndpoint(String endpoint, String serviceName, String regionId) throws IllegalArgumentException {
setEndpoint(endpoint);
signer.setServiceName(serviceName);
signer.setRegionName(regionId);
}
@Override
protected String getServiceAbbreviation() {
return "sqs";
}
/**
* 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 X invoke(Request request, Unmarshaller unmarshaller) {
request.setEndpoint(endpoint);
request.setTimeOffset(timeOffset);
for (Entry entry : request.getOriginalRequest().copyPrivateRequestParameters().entrySet()) {
request.addParameter(entry.getKey(), entry.getValue());
}
AWSCredentials credentials = awsCredentialsProvider.getCredentials();
AmazonWebServiceRequest originalRequest = request.getOriginalRequest();
if (originalRequest != null && originalRequest.getRequestCredentials() != null) {
credentials = originalRequest.getRequestCredentials();
}
ExecutionContext executionContext = createExecutionContext();
executionContext.setSigner(signer);
executionContext.setCredentials(credentials);
StaxResponseHandler responseHandler = new StaxResponseHandler(unmarshaller);
DefaultErrorResponseHandler errorResponseHandler = new DefaultErrorResponseHandler(exceptionUnmarshallers);
return (X)client.execute(request, responseHandler, errorResponseHandler, executionContext);
}
}