}
@Override
public ReceiveMessageResult receiveMessage(ReceiveMessageRequest receiveMessageRequest) throws AmazonServiceException, AmazonClientException {
Integer maxNumberOfMessages = receiveMessageRequest.getMaxNumberOfMessages() != null ? receiveMessageRequest.getMaxNumberOfMessages() : Integer.MAX_VALUE;
ReceiveMessageResult result = new ReceiveMessageResult();
Collection<Message> resultMessages = new ArrayList<Message>();
synchronized (messages) {
int fetchSize = 0;
for (Iterator<Message> iterator = messages.iterator(); iterator.hasNext() && fetchSize < maxNumberOfMessages; fetchSize++) {
resultMessages.add(iterator.next());
iterator.remove();
}
}
result.setMessages(resultMessages);
return result;
}