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  /*
   * Copyright 2010-2015 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.auth.policy.conditions;
 
Factory for creating access control policy conditions specific to Amazon Simple Notification Service. This class provides access to the AWS access control policy condition keys specific to Amazon SNS, as well as methods for quickly creating common SNS specific policy conditions such as newEndpointCondition(java.lang.String).
 
 public class SNSConditionFactory {

    
Condition key for The URL, e-mail address, or ARN from a Subscribe request or a previously confirmed subscription. Use with string conditions to restrict access to specific endpoints (e.g., *@mycompany.com).

This condition key may only be used with StringCondition objects.

 
     public static final String ENDPOINT_CONDITION_KEY = "sns:Endpoint";

    
Condition key for the protocol value from a Subscribe request or a previously confirmed subscription. Use with string conditions to restrict publication to specific delivery protocols (e.g., HTTPS).

This condition key may only be used with StringCondition objects.

 
     public static final String PROTOCOL_CONDITION_KEY = "sns:Protocol";
 
     private SNSConditionFactory() {}

    
Constructs a new access policy condition that compares the requested endpoint used to subscribe to an Amazon SNS topic with the specified endpoint pattern. The endpoint pattern may optionally contain the multi-character wildcard (*) or the single-character wildcard (?).

For example, this condition can restrict subscriptions to a topic to email addresses in a certain domain ("*@my-company.com").

 Policy policy = new Policy("MyTopicPolicy");
 policy.withStatements(new Statement("RestrictSubscriptions", Effect.Allow)
         .withPrincipals(new Principal("*")).withActions(SNSActions.Subscribe)
         .withResources(new Resource(myTopicArn))
         .withConditions(SNSConditionFactory.newEndpointCondition("*@my-company.com")));
 

Parameters:
endpointPattern The endpoint pattern against which to compare the requested endpoint for an Amazon SNS topic subscription.
Returns:
A new access control policy condition that compares the endpoint used in a request to subscribe to an Amazon SNS topic with the endpoint pattern specified.
 
     public static Condition newEndpointCondition(String endpointPattern) {
         return new StringCondition(.,
                 endpointPattern);
     }

    
Constructs a new AWS access control policy condition that allows an access control statement to restrict subscriptions to an Amazon SNS topic based on the protocol being used for the subscription. For example, this condition can restrict subscriptions to a topic to endpoints using HTTPS to ensure that messages are securely delivered.

Parameters:
protocol The protocol against which to compare the requested protocol for an Amazon SNS topic subscription.
Returns:
A new access control policy condition that compares the notification protocol requested in a request to subscribe to an Amazon SNS topic with the protocol value specified.
 
     public static Condition newProtocolCondition(String protocol) {
         return new StringCondition(.,
                 protocol);
     }
 
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