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The AWS Java Mobile SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service
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/*
* Copyright 2010-2018 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.s3.model.transform;
import com.amazonaws.AmazonClientException;
import com.amazonaws.services.s3.internal.Constants;
import com.amazonaws.services.s3.internal.ServiceUtils;
import com.amazonaws.services.s3.internal.XmlWriter;
import com.amazonaws.services.s3.model.BucketAccelerateConfiguration;
import com.amazonaws.services.s3.model.BucketCrossOriginConfiguration;
import com.amazonaws.services.s3.model.BucketLifecycleConfiguration;
import com.amazonaws.services.s3.model.BucketLifecycleConfiguration.NoncurrentVersionTransition;
import com.amazonaws.services.s3.model.BucketLifecycleConfiguration.Rule;
import com.amazonaws.services.s3.model.BucketLifecycleConfiguration.Transition;
import com.amazonaws.services.s3.model.BucketLoggingConfiguration;
import com.amazonaws.services.s3.model.BucketNotificationConfiguration;
import com.amazonaws.services.s3.model.BucketNotificationConfiguration.TopicConfiguration;
import com.amazonaws.services.s3.model.BucketReplicationConfiguration;
import com.amazonaws.services.s3.model.BucketTaggingConfiguration;
import com.amazonaws.services.s3.model.BucketVersioningConfiguration;
import com.amazonaws.services.s3.model.BucketWebsiteConfiguration;
import com.amazonaws.services.s3.model.CORSRule;
import com.amazonaws.services.s3.model.CORSRule.AllowedMethods;
import com.amazonaws.services.s3.model.CloudFunctionConfiguration;
import com.amazonaws.services.s3.model.Filter;
import com.amazonaws.services.s3.model.FilterRule;
import com.amazonaws.services.s3.model.LambdaConfiguration;
import com.amazonaws.services.s3.model.NotificationConfiguration;
import com.amazonaws.services.s3.model.QueueConfiguration;
import com.amazonaws.services.s3.model.RedirectRule;
import com.amazonaws.services.s3.model.ReplicationDestinationConfig;
import com.amazonaws.services.s3.model.ReplicationRule;
import com.amazonaws.services.s3.model.RoutingRule;
import com.amazonaws.services.s3.model.RoutingRuleCondition;
import com.amazonaws.services.s3.model.S3KeyFilter;
import com.amazonaws.services.s3.model.Tag;
import com.amazonaws.services.s3.model.TagSet;
import com.amazonaws.services.s3.model.analytics.AnalyticsAndOperator;
import com.amazonaws.services.s3.model.analytics.AnalyticsConfiguration;
import com.amazonaws.services.s3.model.analytics.AnalyticsExportDestination;
import com.amazonaws.services.s3.model.analytics.AnalyticsFilter;
import com.amazonaws.services.s3.model.analytics.AnalyticsFilterPredicate;
import com.amazonaws.services.s3.model.analytics.AnalyticsPredicateVisitor;
import com.amazonaws.services.s3.model.analytics.AnalyticsPrefixPredicate;
import com.amazonaws.services.s3.model.analytics.AnalyticsS3BucketDestination;
import com.amazonaws.services.s3.model.analytics.AnalyticsTagPredicate;
import com.amazonaws.services.s3.model.analytics.StorageClassAnalysis;
import com.amazonaws.services.s3.model.analytics.StorageClassAnalysisDataExport;
import com.amazonaws.services.s3.model.inventory.InventoryConfiguration;
import com.amazonaws.services.s3.model.inventory.InventoryDestination;
import com.amazonaws.services.s3.model.inventory.InventoryFilter;
import com.amazonaws.services.s3.model.inventory.InventoryFilterPredicate;
import com.amazonaws.services.s3.model.inventory.InventoryPrefixPredicate;
import com.amazonaws.services.s3.model.inventory.InventoryS3BucketDestination;
import com.amazonaws.services.s3.model.inventory.InventorySchedule;
import com.amazonaws.services.s3.model.lifecycle.LifecycleAndOperator;
import com.amazonaws.services.s3.model.lifecycle.LifecycleFilter;
import com.amazonaws.services.s3.model.lifecycle.LifecycleFilterPredicate;
import com.amazonaws.services.s3.model.lifecycle.LifecyclePredicateVisitor;
import com.amazonaws.services.s3.model.lifecycle.LifecyclePrefixPredicate;
import com.amazonaws.services.s3.model.lifecycle.LifecycleTagPredicate;
import com.amazonaws.services.s3.model.metrics.MetricsAndOperator;
import com.amazonaws.services.s3.model.metrics.MetricsConfiguration;
import com.amazonaws.services.s3.model.metrics.MetricsFilter;
import com.amazonaws.services.s3.model.metrics.MetricsFilterPredicate;
import com.amazonaws.services.s3.model.metrics.MetricsPredicateVisitor;
import com.amazonaws.services.s3.model.metrics.MetricsPrefixPredicate;
import com.amazonaws.services.s3.model.metrics.MetricsTagPredicate;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* Converts bucket configuration objects into XML byte arrays.
*/
public class BucketConfigurationXmlFactory {
/**
* Converts the specified versioning configuration into an XML byte array.
*
* @param versioningConfiguration The configuration to convert.
* @return The XML byte array representation.
*/
public byte[] convertToXmlByteArray(BucketVersioningConfiguration versioningConfiguration) {
final XmlWriter xml = new XmlWriter();
xml.start("VersioningConfiguration", "xmlns", Constants.XML_NAMESPACE);
xml.start("Status").value(versioningConfiguration.getStatus()).end();
final Boolean mfaDeleteEnabled = versioningConfiguration.isMfaDeleteEnabled();
if (mfaDeleteEnabled != null) {
if (mfaDeleteEnabled) {
xml.start("MfaDelete").value("Enabled").end();
} else {
xml.start("MfaDelete").value("Disabled").end();
}
}
xml.end();
return xml.getBytes();
}
/**
* Converts the specified accelerate configuration into an XML byte array.
*
* @param accelerateConfiguration The configuration to convert.
* @return The XML byte array representation.
*/
public byte[] convertToXmlByteArray(BucketAccelerateConfiguration accelerateConfiguration) {
final XmlWriter xml = new XmlWriter();
xml.start("AccelerateConfiguration", "xmlns", Constants.XML_NAMESPACE);
xml.start("Status").value(accelerateConfiguration.getStatus()).end();
xml.end();
return xml.getBytes();
}
/**
* Converts the specified logging configuration into an XML byte array.
*
* @param loggingConfiguration The configuration to convert.
* @return The XML byte array representation.
*/
public byte[] convertToXmlByteArray(BucketLoggingConfiguration loggingConfiguration) {
// Default log file prefix to the empty string if none is specified
String logFilePrefix = loggingConfiguration.getLogFilePrefix();
if (logFilePrefix == null) {
logFilePrefix = "";
}
final XmlWriter xml = new XmlWriter();
xml.start("BucketLoggingStatus", "xmlns", Constants.XML_NAMESPACE);
if (loggingConfiguration.isLoggingEnabled()) {
xml.start("LoggingEnabled");
xml.start("TargetBucket").value(loggingConfiguration.getDestinationBucketName()).end();
xml.start("TargetPrefix").value(loggingConfiguration.getLogFilePrefix()).end();
xml.end();
}
xml.end();
return xml.getBytes();
}
/**
* Converts the specified notification configuration into an XML byte array.
*
* @param notificationConfiguration The configuration to convert.
* @return The XML byte array representation.
*/
public byte[] convertToXmlByteArray(
BucketNotificationConfiguration notificationConfiguration) {
final XmlWriter xml = new XmlWriter();
xml.start("NotificationConfiguration", "xmlns", Constants.XML_NAMESPACE);
final Map configurations = notificationConfiguration
.getConfigurations();
for (final Map.Entry entry : configurations
.entrySet()) {
final String configName = entry.getKey();
final NotificationConfiguration config = entry.getValue();
if (config instanceof TopicConfiguration) {
xml.start("TopicConfiguration");
xml.start("Id").value(configName).end();
xml.start("Topic")
.value(((TopicConfiguration) config).getTopicARN())
.end();
addEventsAndFilterCriteria(xml, config);
xml.end();
} else if (config instanceof QueueConfiguration) {
xml.start("QueueConfiguration");
xml.start("Id").value(configName).end();
xml.start("Queue")
.value(((QueueConfiguration) config).getQueueARN())
.end();
addEventsAndFilterCriteria(xml, config);
xml.end();
} else if (config instanceof CloudFunctionConfiguration) {
xml.start("CloudFunctionConfiguration");
xml.start("Id").value(configName).end();
xml.start("InvocationRole")
.value(((CloudFunctionConfiguration) config)
.getInvocationRoleARN())
.end();
xml.start("CloudFunction")
.value(((CloudFunctionConfiguration) config).getCloudFunctionARN())
.end();
addEventsAndFilterCriteria(xml, config);
xml.end();
} else if (config instanceof LambdaConfiguration) {
xml.start("CloudFunctionConfiguration");
xml.start("Id").value(configName).end();
xml.start("CloudFunction")
.value(((LambdaConfiguration) config).getFunctionARN())
.end();
addEventsAndFilterCriteria(xml, config);
xml.end();
}
}
xml.end();
return xml.getBytes();
}
private void addEventsAndFilterCriteria(XmlWriter xml, NotificationConfiguration config) {
for (final String event : config.getEvents()) {
xml.start("Event").value(event).end();
}
final Filter filter = config.getFilter();
if (filter != null) {
validateFilter(filter);
xml.start("Filter");
if (filter.getS3KeyFilter() != null) {
validateS3KeyFilter(filter.getS3KeyFilter());
xml.start("S3Key");
for (final FilterRule filterRule : filter.getS3KeyFilter().getFilterRules()) {
xml.start("FilterRule");
xml.start("Name").value(filterRule.getName()).end();
xml.start("Value").value(filterRule.getValue()).end();
xml.end();
}
xml.end();
}
xml.end();
}
}
private void validateFilter(Filter filter) {
if (filter.getS3KeyFilter() == null) {
throw new AmazonClientException("Cannot have a Filter without any criteria");
}
}
/**
* If S3Key filter is set make sure it has at least one rule
*/
private void validateS3KeyFilter(S3KeyFilter s3KeyFilter) {
if (isNullOrEmpty(s3KeyFilter.getFilterRules())) {
throw new AmazonClientException("Cannot have an S3KeyFilter without any filter rules");
}
}
public byte[] convertToXmlByteArray(BucketReplicationConfiguration replicationConfiguration) {
final XmlWriter xml = new XmlWriter();
xml.start("ReplicationConfiguration");
final Map rules = replicationConfiguration
.getRules();
final String role = replicationConfiguration.getRoleARN();
xml.start("Role").value(role).end();
for (final Map.Entry entry : rules
.entrySet()) {
final String ruleId = entry.getKey();
final ReplicationRule rule = entry.getValue();
xml.start("Rule");
xml.start("ID").value(ruleId).end();
xml.start("Prefix").value(rule.getPrefix()).end();
xml.start("Status").value(rule.getStatus()).end();
final ReplicationDestinationConfig config = rule.getDestinationConfig();
xml.start("Destination");
xml.start("Bucket").value(config.getBucketARN()).end();
if (config.getStorageClass() != null) {
xml.start("StorageClass").value(config.getStorageClass()).end();
}
xml.end();
xml.end();
}
xml.end();
return xml.getBytes();
}
/**
* Converts the specified website configuration into an XML byte array to
* send to S3. Sample XML:
*
* index.html
* 404.html
*
*
* @param websiteConfiguration The configuration to convert.
* @return The XML byte array representation.
*/
public byte[] convertToXmlByteArray(BucketWebsiteConfiguration websiteConfiguration) {
final XmlWriter xml = new XmlWriter();
xml.start("WebsiteConfiguration", "xmlns", Constants.XML_NAMESPACE);
if (websiteConfiguration.getIndexDocumentSuffix() != null) {
final XmlWriter indexDocumentElement = xml.start("IndexDocument");
indexDocumentElement.start("Suffix")
.value(websiteConfiguration.getIndexDocumentSuffix()).end();
indexDocumentElement.end();
}
if (websiteConfiguration.getErrorDocument() != null) {
final XmlWriter errorDocumentElement = xml.start("ErrorDocument");
errorDocumentElement.start("Key").value(websiteConfiguration.getErrorDocument()).end();
errorDocumentElement.end();
}
final RedirectRule redirectAllRequestsTo = websiteConfiguration.getRedirectAllRequestsTo();
if (redirectAllRequestsTo != null) {
final XmlWriter redirectAllRequestsElement = xml.start("RedirectAllRequestsTo");
if (redirectAllRequestsTo.getprotocol() != null) {
xml.start("Protocol").value(redirectAllRequestsTo.getprotocol()).end();
}
if (redirectAllRequestsTo.getHostName() != null) {
xml.start("HostName").value(redirectAllRequestsTo.getHostName()).end();
}
if (redirectAllRequestsTo.getReplaceKeyPrefixWith() != null) {
xml.start("ReplaceKeyPrefixWith")
.value(redirectAllRequestsTo.getReplaceKeyPrefixWith()).end();
}
if (redirectAllRequestsTo.getReplaceKeyWith() != null) {
xml.start("ReplaceKeyWith").value(redirectAllRequestsTo.getReplaceKeyWith()).end();
}
redirectAllRequestsElement.end();
}
if (websiteConfiguration.getRoutingRules() != null
&& websiteConfiguration.getRoutingRules().size() > 0) {
final XmlWriter routingRules = xml.start("RoutingRules");
for (final RoutingRule rule : websiteConfiguration.getRoutingRules()) {
writeRule(routingRules, rule);
}
routingRules.end();
}
xml.end();
return xml.getBytes();
}
/**
* Converts the specified {@link BucketLifecycleConfiguration} object to an
* XML fragment that can be sent to Amazon S3.
*
* @param config The {@link BucketLifecycleConfiguration}
*/
/*
* logs-rule
* Enabled 30
* GLACIER
* 365
* 7 GLACIER
*
* 14
*
* logs/ key1 value1
* logs/ key1 value1
* key1 value1
* image-rule image/
* Enabled
* 2012-12-31T00:00:00.000Z
* GLACIER
* 2020-12-31T00:00:00.000Z
*
* 10
*
*/
public byte[] convertToXmlByteArray(BucketLifecycleConfiguration config)
throws AmazonClientException {
final XmlWriter xml = new XmlWriter();
xml.start("LifecycleConfiguration");
for (final Rule rule : config.getRules()) {
writeRule(xml, rule);
}
xml.end();
return xml.getBytes();
}
/**
* Converts the specified {@link BucketCrossOriginConfiguration} object to
* an XML fragment that can be sent to Amazon S3.
*
* @param config The {@link BucketCrossOriginConfiguration}
*/
/*
*
* http://www.foobar.com
* GET 3000
* x-amz-server-side-encryption
*
*/
public byte[] convertToXmlByteArray(BucketCrossOriginConfiguration config)
throws AmazonClientException {
final XmlWriter xml = new XmlWriter();
xml.start("CORSConfiguration", "xmlns", Constants.XML_NAMESPACE);
for (final CORSRule rule : config.getRules()) {
writeRule(xml, rule);
}
xml.end();
return xml.getBytes();
}
private void writeRule(XmlWriter xml, Rule rule) {
xml.start("Rule");
if (rule.getId() != null) {
xml.start("ID").value(rule.getId()).end();
}
writePrefix(xml, rule);
xml.start("Status").value(rule.getStatus()).end();
writeLifecycleFilter(xml, rule.getFilter());
addTransitions(xml, rule.getTransitions());
addNoncurrentTransitions(xml, rule.getNoncurrentVersionTransitions());
if (hasCurrentExpirationPolicy(rule)) {
// The rule attributes below are mutually exclusive, the service
// will throw an error if
// more than one is provided
xml.start("Expiration");
if (rule.getExpirationInDays() != -1) {
xml.start("Days").value("" + rule.getExpirationInDays()).end();
}
if (rule.getExpirationDate() != null) {
xml.start("Date").value(ServiceUtils.formatIso8601Date(rule.getExpirationDate()))
.end();
}
if (rule.isExpiredObjectDeleteMarker() == true) {
xml.start("ExpiredObjectDeleteMarker").value("true").end();
}
xml.end(); //
}
if (rule.getNoncurrentVersionExpirationInDays() != -1) {
xml.start("NoncurrentVersionExpiration");
xml.start("NoncurrentDays")
.value(Integer.toString(
rule.getNoncurrentVersionExpirationInDays()))
.end();
xml.end(); //
}
if (rule.getAbortIncompleteMultipartUpload() != null) {
xml.start("AbortIncompleteMultipartUpload");
xml.start("DaysAfterInitiation").value(Integer
.toString(rule.getAbortIncompleteMultipartUpload().getDaysAfterInitiation()))
.end();
xml.end(); //
}
xml.end(); //
}
private void addTransitions(XmlWriter xml, List transitions) {
if (transitions == null || transitions.isEmpty()) {
return;
}
for (final Transition t : transitions) {
if (t != null) {
xml.start("Transition");
if (t.getDate() != null) {
xml.start("Date");
xml.value(ServiceUtils.formatIso8601Date(t.getDate()));
xml.end();
}
if (t.getDays() != -1) {
xml.start("Days");
xml.value(Integer.toString(t.getDays()));
xml.end();
}
xml.start("StorageClass");
xml.value(t.getStorageClass().toString());
xml.end(); //
xml.end(); //
}
}
}
private void addNoncurrentTransitions(XmlWriter xml,
List transitions) {
if (transitions == null || transitions.isEmpty()) {
return;
}
for (final NoncurrentVersionTransition t : transitions) {
if (t != null) {
xml.start("NoncurrentVersionTransition");
if (t.getDays() != -1) {
xml.start("NoncurrentDays");
xml.value(Integer.toString(t.getDays()));
xml.end();
}
xml.start("StorageClass");
xml.value(t.getStorageClass().toString());
xml.end(); //
xml.end(); //
}
}
}
private void writeLifecycleFilter(XmlWriter xml, LifecycleFilter filter) {
if (filter == null) {
return;
}
xml.start("Filter");
writeLifecycleFilterPredicate(xml, filter.getPredicate());
xml.end();
}
private void writeLifecycleFilterPredicate(XmlWriter xml, LifecycleFilterPredicate predicate) {
if (predicate == null) {
return;
}
predicate.accept(new LifecyclePredicateVisitorImpl(xml));
}
private class LifecyclePredicateVisitorImpl implements LifecyclePredicateVisitor {
private final XmlWriter xml;
public LifecyclePredicateVisitorImpl(XmlWriter xml) {
this.xml = xml;
}
@Override
public void visit(LifecyclePrefixPredicate lifecyclePrefixPredicate) {
writePrefix(xml, lifecyclePrefixPredicate.getPrefix());
}
@Override
public void visit(LifecycleTagPredicate lifecycleTagPredicate) {
writeTag(xml, lifecycleTagPredicate.getTag());
}
@Override
public void visit(LifecycleAndOperator lifecycleAndOperator) {
xml.start("And");
for (final LifecycleFilterPredicate predicate : lifecycleAndOperator.getOperands()) {
predicate.accept(this);
}
xml.end(); //
}
}
/**
* @param rule
* @return True if rule has a current expiration ( Project Foo
* User nschnarr
*/
public byte[] convertToXmlByteArray(BucketTaggingConfiguration config)
throws AmazonClientException {
final XmlWriter xml = new XmlWriter();
xml.start("Tagging");
for (final TagSet tagset : config.getAllTagSets()) {
writeRule(xml, tagset);
}
xml.end();
return xml.getBytes();
}
/**
* Converts the specified {@link InventoryConfiguration} object to an XML
* fragment that can be sent to Amazon S3.
*
* @param config The {@link InventoryConfiguration}
*/
/*
*
* A2OCNCIEQW9MSG
* s3-object-inventory-list-gamma-us-east-1
* CSV string
* true
* string configId
* All
* Size LastModifiedDate
* StorageClass ETag
* IsMultipartUploaded ReplicationStatus
* Daily
*
*/
public byte[] convertToXmlByteArray(InventoryConfiguration config)
throws AmazonClientException {
final XmlWriter xml = new XmlWriter();
xml.start("InventoryConfiguration", "xmlns", Constants.XML_NAMESPACE);
xml.start("Id").value(config.getId()).end();
xml.start("IsEnabled").value(String.valueOf(config.isEnabled())).end();
xml.start("IncludedObjectVersions").value(config.getIncludedObjectVersions()).end();
writeInventoryDestination(xml, config.getDestination());
writeInventoryFilter(xml, config.getInventoryFilter());
addInventorySchedule(xml, config.getSchedule());
addInventoryOptionalFields(xml, config.getOptionalFields());
xml.end(); //
return xml.getBytes();
}
private void writeInventoryDestination(XmlWriter xml, InventoryDestination destination) {
if (destination == null) {
return;
}
xml.start("Destination");
final InventoryS3BucketDestination s3BucketDestination = destination
.getS3BucketDestination();
if (s3BucketDestination != null) {
xml.start("S3BucketDestination");
addParameterIfNotNull(xml, "AccountId", s3BucketDestination.getAccountId());
addParameterIfNotNull(xml, "Bucket", s3BucketDestination.getBucketArn());
addParameterIfNotNull(xml, "Prefix", s3BucketDestination.getPrefix());
addParameterIfNotNull(xml, "Format", s3BucketDestination.getFormat());
xml.end(); //
}
xml.end(); //
}
private void writeInventoryFilter(XmlWriter xml, InventoryFilter inventoryFilter) {
if (inventoryFilter == null) {
return;
}
xml.start("Filter");
writeInventoryFilterPredicate(xml, inventoryFilter.getPredicate());
xml.end();
}
private void writeInventoryFilterPredicate(XmlWriter xml, InventoryFilterPredicate predicate) {
if (predicate == null) {
return;
}
if (predicate instanceof InventoryPrefixPredicate) {
writePrefix(xml, ((InventoryPrefixPredicate) predicate).getPrefix());
}
}
private void addInventorySchedule(XmlWriter xml, InventorySchedule schedule) {
if (schedule == null) {
return;
}
xml.start("Schedule");
addParameterIfNotNull(xml, "Frequency", schedule.getFrequency());
xml.end();
}
private void addInventoryOptionalFields(XmlWriter xml, List optionalFields) {
if (isNullOrEmpty(optionalFields)) {
return;
}
xml.start("OptionalFields");
for (final String field : optionalFields) {
xml.start("Field").value(field).end();
}
xml.end();
}
private void writeRule(XmlWriter xml, TagSet tagset) {
xml.start("TagSet");
for (final String key : tagset.getAllTags().keySet()) {
xml.start("Tag");
xml.start("Key").value(key).end();
xml.start("Value").value(tagset.getTag(key)).end();
xml.end(); //
}
xml.end(); //
}
private boolean hasTags(TagSet tagSet) {
return tagSet != null && tagSet.getAllTags() != null && tagSet.getAllTags().size() > 0;
}
/**
* Converts the specified
* {@link com.amazonaws.services.s3.model.analytics.AnalyticsConfiguration}
* object to an XML fragment that can be sent to Amazon S3.
*
* @param config The
* {@link com.amazonaws.services.s3.model.analytics.AnalyticsConfiguration}
*/
/*
*
* XXX documents/
* foo bar
*
* 1
* CSV
* 123456789
* destination-bucket destination-prefix
*
*
*/
public byte[] convertToXmlByteArray(AnalyticsConfiguration config)
throws AmazonClientException {
final XmlWriter xml = new XmlWriter();
xml.start("AnalyticsConfiguration", "xmlns", Constants.XML_NAMESPACE);
addParameterIfNotNull(xml, "Id", config.getId());
writeAnalyticsFilter(xml, config.getFilter());
writeStorageClassAnalysis(xml, config.getStorageClassAnalysis());
xml.end();
return xml.getBytes();
}
private void writeAnalyticsFilter(XmlWriter xml, AnalyticsFilter filter) {
if (filter == null) {
return;
}
xml.start("Filter");
writeAnalyticsFilterPredicate(xml, filter.getPredicate());
xml.end();
}
private void writeAnalyticsFilterPredicate(XmlWriter xml, AnalyticsFilterPredicate predicate) {
if (predicate == null) {
return;
}
predicate.accept(new AnalyticsPredicateVisitorImpl(xml));
}
private void writeStorageClassAnalysis(XmlWriter xml,
StorageClassAnalysis storageClassAnalysis) {
if (storageClassAnalysis == null) {
return;
}
xml.start("StorageClassAnalysis");
if (storageClassAnalysis.getDataExport() != null) {
final StorageClassAnalysisDataExport dataExport = storageClassAnalysis.getDataExport();
xml.start("DataExport");
addParameterIfNotNull(xml, "OutputSchemaVersion", dataExport.getOutputSchemaVersion());
writeAnalyticsExportDestination(xml, dataExport.getDestination());
xml.end(); //
}
xml.end(); //
}
private void writeAnalyticsExportDestination(XmlWriter xml,
AnalyticsExportDestination destination) {
if (destination == null) {
return;
}
xml.start("Destination");
if (destination.getS3BucketDestination() != null) {
xml.start("S3BucketDestination");
final AnalyticsS3BucketDestination s3BucketDestination = destination
.getS3BucketDestination();
addParameterIfNotNull(xml, "Format", s3BucketDestination.getFormat());
addParameterIfNotNull(xml, "BucketAccountId", s3BucketDestination.getBucketAccountId());
addParameterIfNotNull(xml, "Bucket", s3BucketDestination.getBucketArn());
addParameterIfNotNull(xml, "Prefix", s3BucketDestination.getPrefix());
xml.end(); //
}
xml.end(); //
}
private class AnalyticsPredicateVisitorImpl implements AnalyticsPredicateVisitor {
private final XmlWriter xml;
public AnalyticsPredicateVisitorImpl(XmlWriter xml) {
this.xml = xml;
}
@Override
public void visit(AnalyticsPrefixPredicate analyticsPrefixPredicate) {
writePrefix(xml, analyticsPrefixPredicate.getPrefix());
}
@Override
public void visit(AnalyticsTagPredicate analyticsTagPredicate) {
writeTag(xml, analyticsTagPredicate.getTag());
}
@Override
public void visit(AnalyticsAndOperator analyticsAndOperator) {
xml.start("And");
for (final AnalyticsFilterPredicate predicate : analyticsAndOperator.getOperands()) {
predicate.accept(this);
}
xml.end();
}
}
/**
* Converts the specified
* {@link com.amazonaws.services.s3.model.metrics.MetricsConfiguration}
* object to an XML fragment that can be sent to Amazon S3.
*
* @param config The
* {@link com.amazonaws.services.s3.model.metrics.MetricsConfiguration}
* .
*/
/*
*
* metrics-id prefix Project
* Foo documents/
* foo bar
*
*/
public byte[] convertToXmlByteArray(MetricsConfiguration config) throws AmazonClientException {
final XmlWriter xml = new XmlWriter();
xml.start("MetricsConfiguration", "xmlns", Constants.XML_NAMESPACE);
addParameterIfNotNull(xml, "Id", config.getId());
writeMetricsFilter(xml, config.getFilter());
xml.end();
return xml.getBytes();
}
private void writeMetricsFilter(XmlWriter xml, MetricsFilter filter) {
if (filter == null) {
return;
}
xml.start("Filter");
writeMetricsFilterPredicate(xml, filter.getPredicate());
xml.end();
}
private void writeMetricsFilterPredicate(XmlWriter xml, MetricsFilterPredicate predicate) {
if (predicate == null) {
return;
}
predicate.accept(new MetricsPredicateVisitorImpl(xml));
}
private class MetricsPredicateVisitorImpl implements MetricsPredicateVisitor {
private final XmlWriter xml;
public MetricsPredicateVisitorImpl(XmlWriter xml) {
this.xml = xml;
}
@Override
public void visit(MetricsPrefixPredicate metricsPrefixPredicate) {
writePrefix(xml, metricsPrefixPredicate.getPrefix());
}
@Override
public void visit(MetricsTagPredicate metricsTagPredicate) {
writeTag(xml, metricsTagPredicate.getTag());
}
@Override
public void visit(MetricsAndOperator metricsAndOperator) {
xml.start("And");
for (final MetricsFilterPredicate predicate : metricsAndOperator.getOperands()) {
predicate.accept(this);
}
xml.end();
}
}
private void addParameterIfNotNull(XmlWriter xml, String xmlTagName, String value) {
if (value != null) {
xml.start(xmlTagName).value(value).end();
}
}
private void writePrefix(XmlWriter xml, Rule rule) {
// If no filter is set stick with the legacy behavior where we treat a
// null prefix as empty prefix.
if (rule.getFilter() == null) {
xml.start("Prefix").value(rule.getPrefix() == null ? "" : rule.getPrefix()).end();
} else if (rule.getPrefix() != null) {
throw new IllegalArgumentException(
"Prefix cannot be used with Filter. Use LifecyclePrefixPredicate to create a LifecycleFilter");
}
}
private void writePrefix(XmlWriter xml, String prefix) {
addParameterIfNotNull(xml, "Prefix", prefix);
}
private void writeTag(XmlWriter xml, Tag tag) {
if (tag == null) {
return;
}
xml.start("Tag");
xml.start("Key").value(tag.getKey()).end();
xml.start("Value").value(tag.getValue()).end();
xml.end();
}
private boolean isNullOrEmpty(Collection collection) {
return collection == null || collection.isEmpty();
}
}