com.amazonaws.services.s3.model.BucketNotificationConfiguration Maven / Gradle / Ivy
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/*
* Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Portions copyright 2006-2009 James Murty. Please see LICENSE.txt
* for applicable license terms and NOTICE.txt for applicable notices.
*
* 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.s3.model;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import com.amazonaws.AmazonWebServiceRequest;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
/**
*
* Represents a bucket's notification configuration. The notification configuration is
* used to control reception of notifications for specific events for Amazon S3 buckets.
*
*
* Using SNS as the delivery service, the notification configuration
* of an Amazon S3 bucket provides near real-time notifications of events
* the user is interested in.
* Notification is turned on by enabling configuration on a bucket, specifying
* the events and the SNS topic. This configuration can only be turned
* on by the bucket owner.
*
*
* If a notification configuration already exists for the
* specified bucket, the new notification configuration will replace the existing
* notification configuration. To remove a notification configuration, pass an
* an empty configuration directly to
* {@link AmazonS3#setBucketNotificationConfiguration(String,BucketNotificationConfiguration)}.
*
*
* Note: Currently buckets may only have a single event and topic
* configuration.
*
*
* @see AmazonS3#getBucketNotificationConfiguration(String)
* @see AmazonS3#setBucketNotificationConfiguration(String, BucketNotificationConfiguration)
*/
public class BucketNotificationConfiguration {
private List topicConfigurations = null;
/**
*
* Creates a new bucket notification configuration.
* By default, the newly created configuration is empty.
*
*
* Passing the new configuration directly to
* {@link AmazonS3#setBucketNotificationConfiguration(String,BucketNotificationConfiguration)}
* will remove any existing bucket notification configuration.
*
*
* @see BucketNotificationConfiguration#BucketNotificationConfiguration(Collection)
*/
public BucketNotificationConfiguration() {
this.topicConfigurations = new ArrayList( 1 );
}
/**
*
* Creates a new bucket notification configuration containing the specified
* TopicConfigurations.
*
*
* Passing the new configuration directly to
* {@link AmazonS3#setBucketNotificationConfiguration(String,BucketNotificationConfiguration)}
* will set the bucket's notification configuration and overwrite any existing configuration.
*
*
* @see BucketNotificationConfiguration#BucketNotificationConfiguration()
*/
public BucketNotificationConfiguration( Collection topicConfigurations ) {
this.topicConfigurations = new ArrayList( 1 );
this.topicConfigurations.addAll( topicConfigurations );
}
/**
*
* Sets the {@link BucketNotificationConfiguration.TopicConfiguration}
* TopicConfigurations and returns this object,
* enabling additional method calls to be chained together.
*
*
* Calling this method will overwrite any
* previously set TopicConfigurations for this object.
*
*
* @param topicConfigurations
* A set of topic configurations.
*
* @return The updated {@link BucketNotificationConfiguration} object,
* enabling additional method calls to be chained together.
*
* @see BucketNotificationConfiguration#setTopicConfigurations(Collection)
*/
public BucketNotificationConfiguration withTopicConfigurations( TopicConfiguration... topicConfigurations ) {
this.topicConfigurations.clear();
for ( int index = 0; index < topicConfigurations.length; index++ ) {
this.topicConfigurations.add( topicConfigurations[ index ] );
}
return this;
}
/**
*
* Sets the {@link BucketNotificationConfiguration.TopicConfiguration}.
*
*
* Calling this method will overwrite any
* previously set TopicConfigurations for this object.
*
*
* @param topicConfigurations
* A collection of topic configurations.
*
* @see BucketNotificationConfiguration#withTopicConfigurations(TopicConfiguration)
*/
public void setTopicConfigurations( Collection topicConfigurations ) {
this.topicConfigurations.clear();
this.topicConfigurations.addAll( topicConfigurations );
}
/**
*
* Gets the list of {@link BucketNotificationConfiguration.TopicConfiguration} objects
* contained in this object. This method may return an empty list if no TopicConfiguration
* objects are present.
*
*
* @return The list of TopicConfiguration objects contained in this object.
* May return an empty list.
*/
public List getTopicConfigurations() {
return this.topicConfigurations;
}
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append("TopicConfigurations: " + this.getTopicConfigurations() );
sb.append("}");
return sb.toString();
}
/**
*
* Represents the SNS topic to publish event notification to.
* Notifications are published to the topic
* only if the specified event is triggered.
*
*/
public static class TopicConfiguration {
private final String topic;
private final String event;
/**
*
* Creates a new {@link BucketNotificationConfiguration.TopicConfiguration}.
*
*
* @param topic
* The SNS Topic ARN (Amazon Resource Name) to publish notifications to.
* @param event
* The event that must occur to trigger the notification publication.
*/
public TopicConfiguration( final String topic, final String event ) {
this.topic = topic;
this.event = event;
}
/**
*
* Gets the topic ARN (Amazon Resource Name) for the topic to publish events to.
*
*
* @return The topic ARN for the topic to publish events to.
*/
public String getTopic() {
return this.topic;
}
/**
*
* Gets the event that must occur for the notification to be published.
*
*
* @return The event that must occur for the notification to be published.
*/
public String getEvent() {
return this.event;
}
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append("Topic: " + this.getTopic() + ", ");
sb.append("Event: " + this.getEvent() + ", ");
sb.append("}");
return sb.toString();
}
}
}