/*
* Copyright 2010-2017 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.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.util.json.Jackson;
/**
* <p>
* Represents a bucket's notification configuration. The notification configuration is
* used to control reception of notifications for specific events for Amazon S3 buckets.
* </p>
* <p>
* 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.
* </p>
* <p>
* 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)}.
* </p>
* <p>
* Note: Currently buckets may only have a single event and topic
* configuration.
* </p>
*
* @see AmazonS3#getBucketNotificationConfiguration(String)
* @see AmazonS3#setBucketNotificationConfiguration(String, BucketNotificationConfiguration)
*/
public class BucketNotificationConfiguration implements Serializable {
private Map<String, NotificationConfiguration> configurations = null;
/**
* <p>
* Creates a new bucket notification configuration.
* By default, the newly created configuration is empty.
* </p>
* <p>
* Passing the new configuration directly to
* {@link AmazonS3#setBucketNotificationConfiguration(String,BucketNotificationConfiguration)}
* will remove any existing bucket notification configuration.
* </p>
*
* @see BucketNotificationConfiguration#BucketNotificationConfiguration(Collection)
*/
public BucketNotificationConfiguration() {
this.configurations = new HashMap<String, NotificationConfiguration>();
}
/**
* <p>
* Creates a new bucket notification configuration with the given configuration.
* </p>
*
* @param name the name for the configuration
* @param notificationConfiguration the notification configuration for the Amazon S3 bucket.
*/
public BucketNotificationConfiguration(String name,
NotificationConfiguration notificationConfiguration) {
this.configurations = new HashMap<String, NotificationConfiguration>();
addConfiguration(name, notificationConfiguration);
}
/**
* Sets the given notification configurations and returns this object.
*
* @param notificationConfiguration
* the notification configurations to set
* @return The updated {@link BucketNotificationConfiguration} object.
*/
public BucketNotificationConfiguration withNotificationConfiguration(
Map<String, NotificationConfiguration> notificationConfiguration) {
configurations.clear();
configurations.putAll(notificationConfiguration);
return this;
}
/**
* Adds the given notification configuration to the
* {@link BucketNotificationConfiguration} object
*
* @param name
* the name of the configuration
* @param notificationConfiguration
* the notification configuration for the Amazon S3 bucket.
* @return The updated {@link BucketNotificationConfiguration} object.
*/
public BucketNotificationConfiguration addConfiguration(String name,
NotificationConfiguration notificationConfiguration) {
configurations.put(name, notificationConfiguration);
return this;
}
/**
* Returns all the notification configurations associated with the Amazon S3
* bucket.
*/
public Map<String, NotificationConfiguration> getConfigurations() {
return configurations;
}
/**
* Sets the given notification configurations in this
* {@link BucketNotificationConfiguration} object.
*
* @param configurations
* the notification configurations to set
*/
public void setConfigurations(
Map<String, NotificationConfiguration> configurations) {
this.configurations = configurations;
}
/**
* Returns the notification configuration for the given name.
*
* @param name
* the name of the notification configuration
* @return {@link NotificationConfiguration} associated with the given name.
*/
public NotificationConfiguration getConfigurationByName(String name) {
return configurations.get(name);
}
/**
* <p>
* Removes the notification configuration for the given name in the
* {@link BucketNotificationConfiguration} object.
* </p>
* <p>
* Pass the updated {@link BucketNotificationConfiguration} to
* {@link AmazonS3#setBucketNotificationConfiguration(String,BucketNotificationConfiguration)}
* to update the configuration in Amazon S3 for the bucket.
* </p>
*
* @param name
* the name of the notification configuration
* @return {@link NotificationConfiguration} associated with the given name.
*/
public NotificationConfiguration removeConfiguration(String name) {
return configurations.remove(name);
}
/**
* <p>
* Creates a new bucket notification configuration containing the specified
* <code>TopicConfigurations</code>.
* </p>
* <p>
* Passing the new configuration directly to
* {@link AmazonS3#setBucketNotificationConfiguration(String,BucketNotificationConfiguration)}
* will set the bucket's notification configuration and overwrite any existing configuration.
* </p>
* @deprecated
* @see BucketNotificationConfiguration#BucketNotificationConfiguration(String, NotificationConfiguration)
*/
public BucketNotificationConfiguration( Collection<TopicConfiguration> topicConfigurations ) {
this.configurations = new HashMap<String, NotificationConfiguration>();
if (topicConfigurations != null){
for(TopicConfiguration config : topicConfigurations) {
addConfiguration(UUID.randomUUID().toString(), config);
}
}
}
/**
* <p>
* Sets the {@link BucketNotificationConfiguration.TopicConfiguration}
* <code>TopicConfigurations</code> and returns this object,
* enabling additional method calls to be chained together.
* </p>
* <p>
* Calling this method will overwrite any
* previously set <code>TopicConfigurations</code> for this object.
* </p>
*
* @param topicConfigurations
* A set of topic configurations.
*
* @return The updated {@link BucketNotificationConfiguration} object,
* enabling additional method calls to be chained together.
*
* @deprecated
* @see BucketNotificationConfiguration#withNotificationConfiguration(Map)
*/
public BucketNotificationConfiguration withTopicConfigurations( TopicConfiguration... topicConfigurations ) {
setTopicConfigurations(Arrays.asList(topicConfigurations));
return this;
}
/**
* <p>
* Sets the {@link BucketNotificationConfiguration.TopicConfiguration}.
* </p>
* <p>
* Calling this method will overwrite any
* previously set <code>TopicConfigurations</code> for this object.
* </p>
*
* @param topicConfigurations
* A collection of topic configurations.
*
* @deprecated
* @see BucketNotificationConfiguration#setConfigurations(Map)
*/
public void setTopicConfigurations( Collection<TopicConfiguration> topicConfigurations ) {
this.configurations.clear();
if (topicConfigurations != null) {
for (TopicConfiguration topicConfiguration : topicConfigurations) {
addConfiguration(UUID.randomUUID().toString(),
topicConfiguration);
}
}
}
/**
* <p>
* Gets the list of
* {@link BucketNotificationConfiguration.TopicConfiguration} objects
* contained in this object. This method may return an empty list if no
* <code>TopicConfiguration</code> objects are present.
* </p>
* <p>
* This method is deprecated and will not return all the notification
* configuration associated with the Amazon S3 bucket. To retrieve all the
* configuration use @see
* BucketNotificationConfiguration#getConfigurations()
* </p>
*
* @deprecated
* @see BucketNotificationConfiguration#getConfigurations()
* @return The list of <code>TopicConfiguration</code> objects contained in
* this object. May return an empty list.
*/
public List<TopicConfiguration> getTopicConfigurations() {
List<TopicConfiguration> topicConfigs = new ArrayList<BucketNotificationConfiguration.TopicConfiguration>();
for (Map.Entry<String, NotificationConfiguration> entry : configurations
.entrySet()) {
if (entry.getValue() instanceof TopicConfiguration) {
topicConfigs.add((TopicConfiguration) entry.getValue());
}
}
return topicConfigs;
}
@Override
public String toString() {
return Jackson.toJsonString(this.getConfigurations());
}
/**
* <p>
* Represents the SNS topic to publish event notification to. Notifications
* are published to the topic only if the specified event is triggered.
* </p>
*
* @deprecated Use
* {@link com.amazonaws.services.s3.model.TopicConfiguration}
* instead
*/
@Deprecated
public static class TopicConfiguration extends com.amazonaws.services.s3.model.TopicConfiguration{
/**
* <p>
* Creates a new {@link BucketNotificationConfiguration.TopicConfiguration}.
* </p>
*
* @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 ) {
super(topic, event);
}
/**
* <p>
* Gets the topic ARN (Amazon Resource Name) for the topic to publish events to.
* </p>
*
* @return The topic ARN for the topic to publish events to.
*/
public String getTopic() {
return getTopicARN();
}
/**
* <p>
* Gets the first event that is configured in the list of events.
* </p>
*
* @deprecated use
* {@link com.amazonaws.services.s3.model.TopicConfiguration#getEvents()}
* instead.
*/
public String getEvent() {
Set<String> events = getEvents();
String[] eventArray = events.toArray(new String[events.size()]);
return eventArray[0];
}
@Override
public String toString() {
return Jackson.toJsonString(this);
}
}
}