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S3ClientStandardImpl.java
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S3ClientStandardImpl.java
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/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 org.apache.camel.component.aws.s3.client.impl;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.AmazonS3EncryptionClientBuilder;
import com.amazonaws.services.s3.model.StaticEncryptionMaterialsProvider;
import org.apache.camel.component.aws.s3.S3Configuration;
import org.apache.camel.component.aws.s3.client.S3Client;
import org.apache.camel.util.ObjectHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Manage an AWS s3 client for all users to use.
* This implementation is for local instances to use a static and solid credential set.
*/
public class S3ClientStandardImpl implements S3Client {
private static final Logger LOG = LoggerFactory.getLogger(S3ClientStandardImpl.class);
private S3Configuration configuration;
private int maxConnections;
/**
* Constructor that uses the config file.
*/
public S3ClientStandardImpl(S3Configuration configuration, int maxConnections) {
LOG.trace("Creating an AWS S3 manager using static credentials.");
this.configuration = configuration;
this.maxConnections = maxConnections;
}
/**
* Getting the s3 aws client that is used.
* @return Amazon S3 Client.
*/
public AmazonS3 getS3Client() {
AmazonS3 client = null;
AmazonS3ClientBuilder clientBuilder = null;
AmazonS3EncryptionClientBuilder encClientBuilder = null;
ClientConfiguration clientConfiguration = null;
if (configuration.hasProxyConfiguration()) {
clientConfiguration = new ClientConfiguration();
clientConfiguration.setProxyHost(configuration.getProxyHost());
clientConfiguration.setProxyPort(configuration.getProxyPort());
clientConfiguration.setMaxConnections(maxConnections);
} else {
clientConfiguration = new ClientConfiguration();
clientConfiguration.setMaxConnections(maxConnections);
}
if (configuration.getAccessKey() != null && configuration.getSecretKey() != null) {
AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey());
AWSCredentialsProvider credentialsProvider = new AWSStaticCredentialsProvider(credentials);
if (!configuration.isUseEncryption()) {
clientBuilder = AmazonS3ClientBuilder
.standard()
.withClientConfiguration(clientConfiguration).withCredentials(credentialsProvider);
} else if (configuration.isUseEncryption()) {
StaticEncryptionMaterialsProvider encryptionMaterialsProvider
= new StaticEncryptionMaterialsProvider(configuration.getEncryptionMaterials());
encClientBuilder = AmazonS3EncryptionClientBuilder
.standard()
.withClientConfiguration(clientConfiguration)
.withCredentials(credentialsProvider)
.withEncryptionMaterials(encryptionMaterialsProvider);
} else {
clientBuilder = AmazonS3ClientBuilder
.standard()
.withCredentials(credentialsProvider);
}
if (!configuration.isUseEncryption()) {
if (ObjectHelper.isNotEmpty(configuration.getRegion())) {
clientBuilder = clientBuilder.withRegion(Regions.valueOf(configuration.getRegion()));
}
clientBuilder = clientBuilder.withPathStyleAccessEnabled(configuration.isPathStyleAccess());
client = clientBuilder.build();
} else {
if (ObjectHelper.isNotEmpty(configuration.getRegion())) {
encClientBuilder = encClientBuilder.withRegion(Regions.valueOf(configuration.getRegion()));
}
encClientBuilder = encClientBuilder.withPathStyleAccessEnabled(configuration.isPathStyleAccess());
client = encClientBuilder.build();
}
} else {
if (!configuration.isUseEncryption()) {
clientBuilder = AmazonS3ClientBuilder.standard();
} else if (configuration.isUseEncryption()) {
StaticEncryptionMaterialsProvider encryptionMaterialsProvider
= new StaticEncryptionMaterialsProvider(configuration.getEncryptionMaterials());
encClientBuilder = AmazonS3EncryptionClientBuilder
.standard()
.withClientConfiguration(clientConfiguration)
.withEncryptionMaterials(encryptionMaterialsProvider);
} else {
clientBuilder = AmazonS3ClientBuilder
.standard()
.withClientConfiguration(clientConfiguration);
}
if (!configuration.isUseEncryption()) {
if (ObjectHelper.isNotEmpty(configuration.getRegion())) {
clientBuilder = clientBuilder.withRegion(Regions.valueOf(configuration.getRegion()));
}
clientBuilder = clientBuilder.withPathStyleAccessEnabled(configuration.isPathStyleAccess());
client = clientBuilder.build();
} else {
if (ObjectHelper.isNotEmpty(configuration.getRegion())) {
encClientBuilder = encClientBuilder.withRegion(Regions.valueOf(configuration.getRegion()));
}
encClientBuilder = encClientBuilder.withPathStyleAccessEnabled(configuration.isPathStyleAccess());
client = encClientBuilder.build();
}
}
return client;
}
}