com.amazonaws.services.sns.message.DefaultSnsMessageHandler Maven / Gradle / Ivy
/*
* Copyright 2012-2020 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.message;
/**
* Default handler that implements reasonable behavior for all message types except for {@link SnsNotification} (which must
* be implemented in handlers that extend this class).
*/
public abstract class DefaultSnsMessageHandler extends SnsMessageHandler {
/**
* Confirms the subscription when message is received.
*
* @param message Message object.
*/
@Override
public void handle(SnsSubscriptionConfirmation message) {
message.confirmSubscription();
}
/**
* Does nothing by default. Users can override to re-subscribe or process.
*
* @param message Message object.
*/
@Override
public void handle(SnsUnsubscribeConfirmation message) {
}
/**
* Does nothing by default. Users can override to process but it's not recommended to handle this message
* type (instead upgrade to a version of the SDK that have first class support for the message type).
*
* @param message Message object.
*/
@Override
public void handle(SnsUnknownMessage message) {
}
}